first commit

tests/_bootstrap.php

@@ -0,0 +1,35 @@
+<?php
+namespace Grav;
+
+use Codeception\Util\Fixtures;
+use Faker\Factory;
+use Grav\Common\Grav;
+
+ini_set('error_log', __DIR__ . '/error.log');
+
+$grav = function () {
+    Grav::resetInstance();
+    $grav = Grav::instance();
+    $grav['config']->init();
+
+    // This must be set first before the other init
+    $grav['config']->set('system.languages.supported', ['en', 'fr', 'vi']);
+    $grav['config']->set('system.languages.default_lang', 'en');
+
+    foreach (array_keys($grav['setup']->getStreams()) as $stream) {
+        @stream_wrapper_unregister($stream);
+    }
+
+    $grav['streams'];
+
+    $grav['uri']->init();
+    $grav['debugger']->init();
+    $grav['assets']->init();
+
+    $grav['config']->set('system.cache.enabled', false);
+    $grav['locator']->addPath('tests', '', 'tests', false);
+
+    return $grav;
+};
+
+Fixtures::add('grav', $grav);

tests/_support/AcceptanceTester.php

@@ -0,0 +1,26 @@
+<?php
+
+
+/**
+ * Inherited Methods
+ * @method void wantToTest($text)
+ * @method void wantTo($text)
+ * @method void execute($callable)
+ * @method void expectTo($prediction)
+ * @method void expect($prediction)
+ * @method void amGoingTo($argumentation)
+ * @method void am($role)
+ * @method void lookForwardTo($achieveValue)
+ * @method void comment($description)
+ * @method \Codeception\Lib\Friend haveFriend($name, $actorClass = NULL)
+ *
+ * @SuppressWarnings(PHPMD)
+*/
+class AcceptanceTester extends \Codeception\Actor
+{
+    use _generated\AcceptanceTesterActions;
+
+   /**
+    * Define custom actions here
+    */
+}

tests/_support/FunctionalTester.php

@@ -0,0 +1,26 @@
+<?php
+
+
+/**
+ * Inherited Methods
+ * @method void wantToTest($text)
+ * @method void wantTo($text)
+ * @method void execute($callable)
+ * @method void expectTo($prediction)
+ * @method void expect($prediction)
+ * @method void amGoingTo($argumentation)
+ * @method void am($role)
+ * @method void lookForwardTo($achieveValue)
+ * @method void comment($description)
+ * @method \Codeception\Lib\Friend haveFriend($name, $actorClass = NULL)
+ *
+ * @SuppressWarnings(PHPMD)
+*/
+class FunctionalTester extends \Codeception\Actor
+{
+    use _generated\FunctionalTesterActions;
+
+   /**
+    * Define custom actions here
+    */
+}

tests/_support/Helper/Acceptance.php

@@ -0,0 +1,10 @@
+<?php
+namespace Helper;
+
+// here you can define custom actions
+// all public methods declared in helper class will be available in $I
+
+class Acceptance extends \Codeception\Module
+{
+
+}

tests/_support/Helper/Functional.php

@@ -0,0 +1,10 @@
+<?php
+namespace Helper;
+
+// here you can define custom actions
+// all public methods declared in helper class will be available in $I
+
+class Functional extends \Codeception\Module
+{
+
+}

tests/_support/Helper/Unit.php

@@ -0,0 +1,90 @@
+<?php
+namespace Helper;
+
+use Codeception;
+
+// here you can define custom actions
+// all public methods declared in helper class will be available in $I
+
+/**
+ * Class Unit
+ * @package Helper
+ */
+class Unit extends Codeception\Module
+{
+    /**
+     * HOOK: used after configuration is loaded
+     */
+    public function _initialize()
+    {
+    }
+
+    /**
+     * HOOK: on every Actor class initialization
+     */
+    public function _cleanup()
+    {
+    }
+
+    /**
+     * HOOK: before suite
+     *
+     * @param array $settings
+     */
+    public function _beforeSuite($settings = [])
+    {
+    }
+
+    /**
+     * HOOK: after suite
+     **/
+    public function _afterSuite()
+    {
+    }
+
+    /**
+     * HOOK: before each step
+     *
+     * @param Codeception\Step $step*
+     */
+    public function _beforeStep(Codeception\Step $step)
+    {
+    }
+
+    /**
+     * HOOK: after each step
+     *
+     * @param Codeception\Step $step
+     */
+    public function _afterStep(Codeception\Step $step)
+    {
+    }
+
+    /**
+     * HOOK: before each suite
+     *
+     * @param Codeception\TestCase $test
+     */
+    public function _before(Codeception\TestCase $test)
+    {
+    }
+
+    /**
+     * HOOK: before each suite
+     *
+     * @param Codeception\TestCase $test
+     */
+    public function _after(Codeception\TestCase $test)
+    {
+    }
+
+    /**
+     * HOOK: on fail
+     *
+     * @param Codeception\TestCase $test
+     * @param $fail
+     */
+    public function _failed(Codeception\TestCase $test, $fail)
+    {
+    }
+}

tests/_support/UnitTester.php

@@ -0,0 +1,26 @@
+<?php
+
+
+/**
+ * Inherited Methods
+ * @method void wantToTest($text)
+ * @method void wantTo($text)
+ * @method void execute($callable)
+ * @method void expectTo($prediction)
+ * @method void expect($prediction)
+ * @method void amGoingTo($argumentation)
+ * @method void am($role)
+ * @method void lookForwardTo($achieveValue)
+ * @method void comment($description)
+ * @method \Codeception\Lib\Friend haveFriend($name, $actorClass = NULL)
+ *
+ * @SuppressWarnings(PHPMD)
+*/
+class UnitTester extends \Codeception\Actor
+{
+    use _generated\UnitTesterActions;
+
+   /**
+    * Define custom actions here
+    */
+}

tests/acceptance.suite.yml

@@ -0,0 +1,12 @@
+# Codeception Test Suite Configuration
+#
+# Suite for acceptance tests.
+# Perform tests in browser using the WebDriver or PhpBrowser.
+# If you need both WebDriver and PHPBrowser tests - create a separate suite.
+
+class_name: AcceptanceTester
+modules:
+    enabled:
+        - PhpBrowser:
+            url: http://localhost:8080/grav
+        - \Helper\Acceptance

tests/acceptance/_bootstrap.php

@@ -0,0 +1,2 @@
+<?php
+// Here you can initialize variables that will be available to your tests

tests/fake/nested-site/user/pages/01.item1/01.item1-1/01.item1-1-1/default.md

@@ -0,0 +1,10 @@
+---
+title: Item 1-1-1
+---
+
+Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod
+tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam,
+quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
+consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse
+cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non
+proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

tests/fake/nested-site/user/pages/01.item1/01.item1-1/02.item1-1-2/default.md

@@ -0,0 +1,10 @@
+---
+title: Item 1-1-2
+---
+
+Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod
+tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam,
+quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
+consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse
+cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non
+proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

tests/fake/nested-site/user/pages/01.item1/01.item1-1/03.item1-1-3/default.md

@@ -0,0 +1,10 @@
+---
+title: Item 1-1-3
+---
+
+Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod
+tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam,
+quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
+consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse
+cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non
+proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

tests/fake/nested-site/user/pages/01.item1/01.item1-1/default.md

@@ -0,0 +1,10 @@
+---
+title: Item 1-1
+---
+
+Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod
+tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam,
+quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
+consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse
+cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non
+proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

tests/fake/nested-site/user/pages/01.item1/02.item1-2/01.item1-2-1/default.md

@@ -0,0 +1,10 @@
+---
+title: Item 1-2-1
+---
+
+Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod
+tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam,
+quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
+consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse
+cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non
+proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

tests/fake/nested-site/user/pages/01.item1/02.item1-2/02.item1-2-2/default.md

@@ -0,0 +1,10 @@
+---
+title: Item 1-2-2
+---
+
+Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod
+tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam,
+quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
+consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse
+cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non
+proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

tests/fake/nested-site/user/pages/01.item1/02.item1-2/03.item1-2-3/default.md

@@ -0,0 +1,10 @@
+---
+title: Item 1-2-3
+---
+
+Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod
+tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam,
+quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
+consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse
+cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non
+proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

tests/fake/nested-site/user/pages/01.item1/02.item1-2/default.md

@@ -0,0 +1,10 @@
+---
+title: Item 1-2
+---
+
+Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod
+tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam,
+quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
+consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse
+cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non
+proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

tests/fake/nested-site/user/pages/01.item1/03.item1-3/01.item1-3-1/default.md

@@ -0,0 +1,10 @@
+---
+title: Item 1-3-1
+---
+
+Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod
+tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam,
+quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
+consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse
+cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non
+proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

tests/fake/nested-site/user/pages/01.item1/03.item1-3/02.item1-3-2/default.md

@@ -0,0 +1,10 @@
+---
+title: Item 1-3-2
+---
+
+Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod
+tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam,
+quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
+consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse
+cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non
+proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

tests/fake/nested-site/user/pages/01.item1/03.item1-3/03.item1-3-3/default.md

@@ -0,0 +1,10 @@
+---
+title: Item 1-3-3
+---
+
+Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod
+tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam,
+quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
+consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse
+cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non
+proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

tests/fake/nested-site/user/pages/01.item1/03.item1-3/default.md

@@ -0,0 +1,10 @@
+---
+title: Item 1-3
+---
+
+Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod
+tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam,
+quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
+consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse
+cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non
+proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

tests/fake/nested-site/user/pages/01.item1/default.md

@@ -0,0 +1,10 @@
+---
+title: Item 1
+---
+
+Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod
+tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam,
+quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
+consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse
+cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non
+proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

tests/fake/nested-site/user/pages/02.item2/01.item2-1/01.item2-1-1/default.md

@@ -0,0 +1,10 @@
+---
+title: Item 2-1-1
+---
+
+Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod
+tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam,
+quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
+consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse
+cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non
+proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

tests/fake/nested-site/user/pages/02.item2/01.item2-1/02.item2-1-2/default.md

@@ -0,0 +1,10 @@
+---
+title: Item 2-1-2
+---
+
+Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod
+tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam,
+quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
+consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse
+cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non
+proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

tests/fake/nested-site/user/pages/02.item2/01.item2-1/03.item2-1-3/default.md

@@ -0,0 +1,10 @@
+---
+title: Item 2-1-3
+---
+
+Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod
+tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam,
+quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
+consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse
+cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non
+proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

tests/fake/nested-site/user/pages/02.item2/01.item2-1/default.md

@@ -0,0 +1,10 @@
+---
+title: Item 2-1
+---
+
+Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod
+tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam,
+quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
+consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse
+cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non
+proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

tests/fake/nested-site/user/pages/02.item2/02.item2-2/01.item2-2-1/default.md

@@ -0,0 +1,10 @@
+---
+title: Item 2-2-1
+---
+
+Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod
+tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam,
+quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
+consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse
+cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non
+proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

tests/fake/nested-site/user/pages/02.item2/02.item2-2/02.item2-2-2/default.md

@@ -0,0 +1,10 @@
+---
+title: Item 2-2-2
+---
+
+Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod
+tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam,
+quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
+consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse
+cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non
+proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

tests/fake/nested-site/user/pages/02.item2/02.item2-2/03.item2-2-3/default.md

@@ -0,0 +1,10 @@
+---
+title: Item 2-2-3
+---
+
+Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod
+tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam,
+quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
+consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse
+cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non
+proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

tests/fake/nested-site/user/pages/02.item2/02.item2-2/default.md

@@ -0,0 +1,10 @@
+---
+title: Item 2-2
+---
+
+Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod
+tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam,
+quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
+consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse
+cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non
+proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

tests/fake/nested-site/user/pages/02.item2/03.item2-3/01.item2-3-1/default.md

@@ -0,0 +1,10 @@
+---
+title: Item 2-3-1
+---
+
+Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod
+tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam,
+quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
+consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse
+cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non
+proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

tests/fake/nested-site/user/pages/02.item2/03.item2-3/02.item2-3-2/default.md

@@ -0,0 +1,10 @@
+---
+title: Item 2-3-2
+---
+
+Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod
+tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam,
+quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
+consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse
+cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non
+proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

tests/fake/nested-site/user/pages/02.item2/03.item2-3/03.item2-3-3/default.md

@@ -0,0 +1,10 @@
+---
+title: Item 2-3-3
+---
+
+Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod
+tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam,
+quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
+consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse
+cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non
+proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

tests/fake/nested-site/user/pages/02.item2/03.item2-3/default.md

@@ -0,0 +1,10 @@
+---
+title: Item 2-3
+---
+
+Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod
+tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam,
+quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
+consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse
+cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non
+proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

tests/fake/nested-site/user/pages/02.item2/default.md

@@ -0,0 +1,10 @@
+---
+title: Item 2
+---
+
+Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod
+tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam,
+quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
+consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse
+cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non
+proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

tests/fake/nested-site/user/pages/03.item3/01.item3-1/01.item3-1-1/default.md

@@ -0,0 +1,14 @@
+---
+title: Animal
+taxonomy:
+    tag: [animal, cat]
+---
+
+<h1>Tags: animal</h1
+
+Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod
+tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam,
+quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
+consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse
+cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non
+proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

tests/fake/nested-site/user/pages/03.item3/01.item3-1/02.item3-1-2/default.md

@@ -0,0 +1,10 @@
+---
+title: Item 3-1-2
+---
+
+Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod
+tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam,
+quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
+consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse
+cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non
+proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

tests/fake/nested-site/user/pages/03.item3/01.item3-1/03.item3-1-3/default.md

@@ -0,0 +1,10 @@
+---
+title: Item 3-1-3
+---
+
+Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod
+tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam,
+quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
+consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse
+cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non
+proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

tests/fake/nested-site/user/pages/03.item3/01.item3-1/default.md

@@ -0,0 +1,10 @@
+---
+title: Item 2-1
+---
+
+Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod
+tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam,
+quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
+consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse
+cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non
+proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

tests/fake/nested-site/user/pages/03.item3/02.item3-2/01.item3-2-1/default.md

@@ -0,0 +1,10 @@
+---
+title: Item 3-2-1
+---
+
+Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod
+tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam,
+quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
+consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse
+cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non
+proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

tests/fake/nested-site/user/pages/03.item3/02.item3-2/02.item3-2-2/default.md

@@ -0,0 +1,10 @@
+---
+title: Item 3-2-2
+---
+
+Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod
+tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam,
+quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
+consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse
+cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non
+proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

tests/fake/nested-site/user/pages/03.item3/02.item3-2/03.item3-2-3/default.md

@@ -0,0 +1,10 @@
+---
+title: Item 3-2-3
+---
+
+Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod
+tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam,
+quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
+consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse
+cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non
+proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

tests/fake/nested-site/user/pages/03.item3/02.item3-2/default.md

@@ -0,0 +1,10 @@
+---
+title: Item 2-1
+---
+
+Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod
+tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam,
+quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
+consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse
+cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non
+proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

tests/fake/nested-site/user/pages/03.item3/03.item3-3/01.item3-3-1/default.md

@@ -0,0 +1,10 @@
+---
+title: Item 3-3-1
+---
+
+Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod
+tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam,
+quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
+consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse
+cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non
+proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

tests/fake/nested-site/user/pages/03.item3/03.item3-3/02.item3-3-2/default.md

@@ -0,0 +1,10 @@
+---
+title: Item 3-3-2
+---
+
+Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod
+tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam,
+quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
+consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse
+cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non
+proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

tests/fake/nested-site/user/pages/03.item3/03.item3-3/03.item3-3-3/default.md

@@ -0,0 +1,10 @@
+---
+title: Item 3-3-3
+---
+
+Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod
+tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam,
+quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
+consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse
+cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non
+proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

tests/fake/nested-site/user/pages/03.item3/03.item3-3/default.md

@@ -0,0 +1,10 @@
+---
+title: Item 2
+---
+
+Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod
+tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam,
+quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
+consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse
+cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non
+proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

tests/fake/nested-site/user/pages/03.item3/default.md

@@ -0,0 +1,10 @@
+---
+title: Item 3
+---
+
+Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod
+tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam,
+quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
+consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse
+cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non
+proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

tests/fake/simple-site/user/pages/01.home/default.md

@@ -0,0 +1,10 @@
+---
+title: Home
+---
+
+Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod
+tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam,
+quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
+consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse
+cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non
+proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

tests/fake/simple-site/user/pages/02.blog/blog.md

@@ -0,0 +1,10 @@
+---
+title: Blog
+---
+
+Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod
+tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam,
+quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
+consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse
+cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non
+proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

tests/fake/simple-site/user/pages/02.blog/post-one/item.md

@@ -0,0 +1,10 @@
+---
+title: Post 1
+---
+
+Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod
+tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam,
+quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
+consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse
+cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non
+proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

tests/fake/simple-site/user/pages/02.blog/post-two/item.md

@@ -0,0 +1,10 @@
+---
+title: Post 2
+---
+
+Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod
+tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam,
+quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
+consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse
+cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non
+proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

tests/fake/simple-site/user/pages/03.about/default.md

@@ -0,0 +1,10 @@
+---
+title: About
+---
+
+Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod
+tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam,
+quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo
+consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse
+cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non
+proident, sunt in culpa qui officia deserunt mollit anim id est laborum.

tests/fake/simple-site/user/pages/04.page-translated/default.fr.md

@@ -0,0 +1,5 @@
+---
+title: Simple Page avec traduction
+---
+
+Simple Page Content in English

tests/fake/simple-site/user/pages/05.translatedlong/part2/default.fr.md

@@ -0,0 +1,5 @@
+---
+title: Simple Page avec traduction
+---
+
+Page Simple FR

tests/fake/single-page-translated/user/pages/01.simple-page/default.fr.md

@@ -0,0 +1,5 @@
+---
+title: Simple Page avec traduction
+---
+
+Page Simple FR

tests/fake/single-pages/01.simple-page/default.md

@@ -0,0 +1,5 @@
+---
+title: Simple Page
+---
+
+Simple Page Content

tests/functional.suite.yml

@@ -0,0 +1,11 @@
+# Codeception Test Suite Configuration
+#
+# Suite for functional (integration) tests
+# Emulate web requests and make application process them
+# Include one of framework modules (Symfony2, Yii2, Laravel5) to use it
+
+class_name: FunctionalTester
+modules:
+    enabled:
+        # add framework module here
+        - \Helper\Functional

tests/functional/Grav/Console/DirectInstallCommandTest.php

@@ -0,0 +1,38 @@
+<?php
+
+use Codeception\Util\Fixtures;
+use Grav\Common\Grav;
+use Grav\Console\Gpm\DirectInstallCommand;
+
+/**
+ * Class DirectInstallCommandTest
+ */
+class DirectInstallCommandTest extends \Codeception\TestCase\Test
+{
+    /** @var Grav $grav */
+    protected $grav;
+
+    /** @var DirectInstallCommand */
+    protected $directInstall;
+
+
+    protected function _before(): void
+    {
+        $this->grav = Fixtures::get('grav');
+        $this->directInstallCommand = new DirectInstallCommand();
+    }
+}
+
+/**
+ * Why this test file is empty
+ *
+ * Wasn't able to call a symfony\console. Kept having $output problem.
+ * symfony console \NullOutput didn't cut it.
+ *
+ * We would also need to Mock tests since downloading packages would
+ * make tests slow and unreliable. But it's not worth the time ATM.
+ *
+ * Look at Gpm/InstallCommandTest.php
+ *
+ * For the full story: https://git.io/vSlI3
+ */

tests/functional/_bootstrap.php

@@ -0,0 +1,2 @@
+<?php
+// Here you can initialize variables that will be available to your tests

tests/phpstan/classes/Toolbox/UniformResourceLocatorExtension.php

@@ -0,0 +1,51 @@
+<?php
+
+namespace PHPStan\Toolbox;
+
+use PhpParser\Node\Expr\MethodCall;
+use PHPStan\Analyser\Scope;
+use PHPStan\Reflection\MethodReflection;
+use PHPStan\Reflection\ParametersAcceptorSelector;
+use PHPStan\Type\DynamicMethodReturnTypeExtension;
+use PHPStan\Type\StringType;
+use PHPStan\Type\Type;
+use RocketTheme\Toolbox\ResourceLocator\UniformResourceLocator;
+
+/**
+ * Extension to handle UniformResourceLocator return types.
+ */
+class UniformResourceLocatorExtension implements DynamicMethodReturnTypeExtension
+{
+    /**
+     * @return string
+     */
+    public function getClass(): string
+    {
+        return UniformResourceLocator::class;
+    }
+
+    /**
+     * @param MethodReflection $methodReflection
+     * @return bool
+     */
+    public function isMethodSupported(MethodReflection $methodReflection): bool
+    {
+        return $methodReflection->getName() === 'findResource';
+    }
+
+    /**
+     * @param MethodReflection $methodReflection
+     * @param MethodCall $methodCall
+     * @param Scope $scope
+     * @return Type
+     */
+    public function getTypeFromMethodCall(MethodReflection $methodReflection, MethodCall $methodCall, Scope $scope): Type
+    {
+        $first = $methodCall->getArgs()[2] ?? false;
+        if ($first) {
+            return new StringType();
+        }
+
+        return ParametersAcceptorSelector::selectSingle($methodReflection->getVariants())->getReturnType();
+    }
+}

tests/phpstan/extension.neon

@@ -0,0 +1,5 @@
+services:
+    -
+        class: PHPStan\Toolbox\UniformResourceLocatorExtension
+        tags:
+            - phpstan.broker.dynamicMethodReturnTypeExtension

tests/phpstan/phpstan-bootstrap.php

@@ -0,0 +1,7 @@
+<?php declare(strict_types=1);
+/**
+ *To help phpstan dealing with LogicException in Common\User\User.php
+ */
+
+define('GRAV_USER_INSTANCE', 'FLEX');
+define('GRAV_REQUEST_TIME', microtime(true));

tests/phpstan/phpstan.neon

@@ -0,0 +1,175 @@
+#phpVersion: 70300
+includes:
+    #- '../../vendor/phpstan/phpstan-strict-rules/rules.neon'
+    - '../../vendor/phpstan/phpstan-deprecation-rules/rules.neon'
+    - 'extension.neon'
+parameters:
+    fileExtensions:
+        - php
+        - dist
+    bootstrapFiles:
+        - phpstan-bootstrap.php
+    excludePaths:
+        - */system/src/Grav/Common/Errors/Resources/layout.html.php
+        - */system/src/Twig/DeferredExtension/DeferredNodeVisitorCompat.php    # Twig 1
+        - */system/src/Twig/DeferredExtension/DeferredNodeVisitor.php          # Twig 2+3
+        # Ignore vendor dev dependencies and tests
+        - */vendor/*/*/tests
+        - */vendor/behat
+        - */vendor/codeception
+        - */vendor/phpstan
+        - */vendor/phpunit
+        - */vendor/phpspec
+        - */vendor/phpdocumentor
+        - */vendor/sebastian
+        - */vendor/theseer
+        - */vendor/webmozart
+
+    inferPrivatePropertyTypeFromConstructor: true
+    reportUnmatchedIgnoredErrors: false
+    treatPhpDocTypesAsCertain: false
+
+    # These checks are new in phpstan 1, ignore them for now.
+    checkMissingIterableValueType: false
+    #checkGenericClassInNonGenericObjectType: false
+
+    universalObjectCratesClasses:
+        - Grav\Common\Config\Config
+        - Grav\Common\Config\Languages
+        - Grav\Common\Config\Setup
+        - Grav\Common\Data\Data
+        - Grav\Common\GPM\Common\Package
+        - Grav\Common\GPM\Local\Package
+        - Grav\Common\GPM\Remote\Package
+        - Grav\Common\Page\Header
+        - Grav\Common\Session
+    dynamicConstantNames:
+        - GRAV_CLI
+    ignoreErrors:
+        # New in phpstan 1, ignore them for now.
+        - '#Unsafe usage of new static\(\)#'
+
+        # TODO: Errors that needs some more thinking (bad design?)
+        - '#Access to an undefined property RocketTheme\\Toolbox\\Event\\Event::#'
+        - '#Instantiation of deprecated class RocketTheme\\Toolbox\\Event\\Event#'
+        - '#extends deprecated class RocketTheme\\Toolbox\\Event\\Event#'
+        - '#Access to an undefined property Grav\\Common\\Data\\Blueprint::#'
+        -
+            message: '#Cannot call method path\(\) on string#'
+            path: '*/system/src/Grav/Common/Page/Media.php'
+
+        # TODO: system.twig.umask_fix will not work with Twig 2 anymore
+        -
+            message: '#Call to deprecated method writeCacheFile\(\) of class Twig\\Environment#'
+            path: '*/system/src/Grav/Common/Twig/WriteCacheFileTrait.php'
+
+        # PSR-16 Exception interfaces do not extend \Throwable
+        - '#PHPDoc tag \@throws with type Psr\\SimpleCache\\(CacheException|InvalidArgumentException) is not subtype of Throwable#'
+
+        # Medium __call() methods
+        - '#Call to an undefined method Grav\\Common\\Page\\Medium\\(\w*)Medium::#'
+
+        # These errors are about plugins (need to find a better solution)
+        -
+            message: '#Call to static method sendEmail\(\) on an unknown class Grav\\Plugin\\Email\\Utils#'
+            path: '*/system/src/Grav/Common/Scheduler/Job.php'
+        -
+            message: '#unknown class Grav\\Plugin\\Admin#'
+            path: '*/system/src/Grav/Common/Page/Pages.php'
+        -
+            message: '#unknown class Grav\\Plugin\\Admin#'
+            path: '*/system/src/Grav/Common/Flex/Pages/PageObject.php'
+        -
+            message: '#unknown class Grav\\Plugin\\Admin\\Admin#'
+            path: '*/system/src/Grav/Common/Flex/Types/Pages/PageObject.php'
+        -
+            message: '#unknown class Grav\\Plugin\\Form\\Forms#'
+            path: '*/system/src/Grav/Common/Processors/PagesProcessor.php'
+
+        # Clockwork does not define functions for __call() call
+        -
+            message: '#Call to an undefined method Clockwork\\Clockwork::(info|userData|addEvent|alert)\(\)#'
+            path: '*/system/src/Grav/Common/Debugger.php'
+
+        # These errors can be ignored (they depend on installed extensions)
+        -
+            message: '#Instantiated class (Memcache|Memcached|Redis|RedisException) not found#'
+            path: '*/system/src/Grav/Common/Cache.php'
+        -
+            message: '#unknown class (Memcache|Memcached|Redis|RedisException)#'
+            path: '*/system/src/Grav/Common/Cache.php'
+        -
+            message: '#unknown class Collator#'
+            path: '*/system/src/Grav/Common/Page/Pages.php'
+        -
+            message: '#unknown class Collator#'
+            path: '*/system/src/Grav/Common/Flex/Types/Pages/PageCollection.php'
+        -
+            message: '#Ternary operator condition is always true#'
+            path: '*/system/src/Grav/Framework/Cache/AbstractCache.php'
+        -
+            message: '#Call to function is_object\(\) with int will always evaluate to false#'
+            path: '*/system/src/Grav/Framework/Cache/AbstractCache.php'
+
+        # XHprof
+        - '#tideways_xhprof_enable#'
+
+        # Support for deprecated features
+        -
+            message: '#Instantiation of deprecated class Doctrine\\Common\\Cache\\(\w+)Cache#'
+            path: '*/system/src/Grav/Common/Cache.php'
+        -
+            message: '#Instantiation of deprecated class Doctrine\\Common\\Cache\\(\w+)Cache#'
+            path: '*/system/src/Grav/Common/GPM/Remote/*.php'
+        -
+            message: '#Call to deprecated method order#'
+            path: '*/system/src/Grav/Common/Page/Pages.php'
+        -
+            message: '#Fetching class constant class of deprecated class Grav\\Common\\User\\User#'
+            path: '*/system/src/Grav/Common/Service/AccountsServiceProvider.php'
+        -
+            message: '#Call to deprecated method getLegacyFiles\(\)#'
+            path: '*/system/src/Grav/Common/Session.php'
+        -
+            message: '#Call to deprecated method \w+\(\) of class Grav\\Common\\Flex\\Types\\Users\\UserObject#'
+            path: '*/system/src/Grav/Common/Flex/Types/Users/UserObject.php'
+        -
+            message: '#Call to deprecated method \w+\(\) of class Grav\\Framework\\Flex\\FlexObject#'
+            path: '*/system/src/Grav/Framework/Flex/FlexObject.php'
+        -
+            message: '#Call to deprecated method \w+\(\) of class Grav\\Framework\\Flex\\FlexIndex#'
+            path: '*/system/src/Grav/Framework/Flex/FlexIndex.php'
+        -
+            message: '#Call to deprecated method \w+\(\) of class Grav\\Framework\\Flex\\FlexCollection#'
+            path: '*/system/src/Grav/Framework/Flex/FlexCollection.php'
+        -
+            message: '#Call to deprecated method (getAuthorizeScope|getActiveUser)\(\) of class Grav\\Framework\\Flex\\FlexObject#'
+            path: '*/system/src/Grav/Framework/Flex/Pages/Traits/PageAuthorsTrait.php'
+        -
+            message: '#deprecated class#'
+            path: '*/system/src/Grav/Framework/Uri/Uri.php'
+        -
+            message: '#Method Symfony\\Contracts\\EventDispatcher\\EventDispatcherInterface::dispatch#'
+            path: '*/system/src/Grav/Common/Grav.php'
+
+        - '#has typehint with deprecated class RocketTheme\\Toolbox\\Event\\Event#'
+        - '#Call to deprecated method stopPropagation\(\) of class Symfony\\Component\\EventDispatcher\\Event#'
+        - '#Parameter \#2 \$listener of method Symfony\\Component\\EventDispatcher\\EventDispatcher::addListener\(\)#'
+        - '#Parameter \#2 \$listener of method Symfony\\Component\\EventDispatcher\\EventDispatcher::removeListener\(\)#'
+        - '#Class Grav\\Common\\GPM\\Response not found#'
+
+        # Installer updates
+        -
+            message: '#Variable \$this in PHPDoc tag @var does not exist#'
+            path: '*/system/src/Grav/Installer/updates/*'
+        -
+            message: '#YamlUpdater::isInlineComment\(\) is unused#'
+            path: '*/system/src/Grav/Installer/YamlUpdater.php'
+
+        # Twig Deferred extension compatibility
+        -
+            message: '#typehint with deprecated interface#'
+            path: '*/system/src/Twig/DeferredExtension/DeferredNodeVisitorCompat.php'
+        -
+            message: '#Function twig_array_filter not found#'
+            path: '*/system/src/Grav/Common/Twig/Extension/GravExtension.php'

tests/phpstan/plugins-bootstrap.php

@@ -0,0 +1,64 @@
+<?php
+
+use Grav\Common\Grav;
+use Grav\Common\Plugin;
+use RocketTheme\Toolbox\ResourceLocator\UniformResourceLocator;
+
+\define('GRAV_CLI', true);
+\define('GRAV_REQUEST_TIME', microtime(true));
+\define('GRAV_USER_INSTANCE', 'FLEX');
+
+$autoload = require __DIR__ . '/../../vendor/autoload.php';
+
+if (!ini_get('date.timezone')) {
+    date_default_timezone_set('UTC');
+}
+
+if (!file_exists(GRAV_ROOT . '/index.php')) {
+    exit('FATAL: Must be run from ROOT directory of Grav!');
+}
+
+$grav = Grav::instance(['loader' => $autoload]);
+$grav->setup('tests');
+$grav['config']->init();
+
+// Find all plugins in Grav installation and autoload their classes.
+
+/** @var UniformResourceLocator $locator */
+$locator = Grav::instance()['locator'];
+$iterator = $locator->getIterator('plugins://');
+/** @var DirectoryIterator $directory */
+foreach ($iterator as $directory) {
+    if (!$directory->isDir()) {
+        continue;
+    }
+    $plugin = $directory->getBasename();
+    $file = $directory->getPathname() . '/' . $plugin . '.php';
+    $classloader = null;
+    if (file_exists($file)) {
+        require_once $file;
+
+        $pluginClass = "\\Grav\\Plugin\\{$plugin}Plugin";
+
+        if (is_subclass_of($pluginClass, Plugin::class, true)) {
+            $class = new $pluginClass($plugin, $grav);
+            if (is_callable([$class, 'autoload'])) {
+                $classloader = $class->autoload();
+            }
+        }
+    }
+    if (null === $classloader) {
+        $autoloader = $directory->getPathname() . '/vendor/autoload.php';
+        if (file_exists($autoloader)) {
+            require $autoloader;
+        }
+    }
+}
+
+define('GANTRY_DEBUGGER', true);
+define('GANTRY5_DEBUG', true);
+define('GANTRY5_PLATFORM', 'grav');
+define('GANTRY5_ROOT', GRAV_ROOT);
+define('GANTRY5_VERSION', '@version@');
+define('GANTRY5_VERSION_DATE', '@versiondate@');
+define('GANTRYADMIN_PATH', '');

tests/phpstan/plugins.neon

@@ -0,0 +1,70 @@
+includes:
+    #- '../../vendor/phpstan/phpstan-strict-rules/rules.neon'
+    - '../../vendor/phpstan/phpstan-deprecation-rules/rules.neon'
+    - 'extension.neon'
+parameters:
+    fileExtensions:
+        - php
+    excludePaths:
+        - %currentWorkingDirectory%/user/plugins/*/vendor/*
+        - %currentWorkingDirectory%/user/plugins/*/tests/*
+        - %currentWorkingDirectory%/user/plugins/gantry5/src/platforms
+        - %currentWorkingDirectory%/user/plugins/gantry5/src/classes/Gantry/Framework/Services/ErrorServiceProvider.php
+        # Ignore vendor dev dependencies and tests
+        - */vendor/*/*/tests
+        - */vendor/behat
+        - */vendor/codeception
+        - */vendor/phpstan
+        - */vendor/phpunit
+        - */vendor/phpspec
+        - */vendor/phpdocumentor
+        - */vendor/sebastian
+        - */vendor/theseer
+        - */vendor/webmozart
+    bootstrapFiles:
+        - plugins-bootstrap.php
+    inferPrivatePropertyTypeFromConstructor: true
+    reportUnmatchedIgnoredErrors: false
+
+    # These checks are new in phpstan 1, ignore them for now.
+    checkMissingIterableValueType: false
+    checkGenericClassInNonGenericObjectType: false
+
+    universalObjectCratesClasses:
+        - Grav\Common\Config\Config
+        - Grav\Common\Config\Languages
+        - Grav\Common\Config\Setup
+        - Grav\Common\Data\Data
+        - Grav\Common\GPM\Common\Package
+        - Grav\Common\GPM\Local\Package
+        - Grav\Common\GPM\Remote\Package
+        - Grav\Common\Page\Header
+        - Grav\Common\Session
+        - Gantry\Component\Config\Config
+    dynamicConstantNames:
+        - GRAV_CLI
+        - GANTRY_DEBUGGER
+        - GANTRY5_DEBUG
+        - GANTRY5_VERSION
+        - GANTRY5_VERSION_DATE
+        - GANTRY5_PLATFORM
+        - GANTRY5_ROOT
+    ignoreErrors:
+        # New in phpstan 1, ignore them for now.
+        - '#Unsafe usage of new static\(\)#'
+        - '#Cannot instantiate interface Grav\\Framework\\#'
+
+        # PSR-16 Exception interfaces do not extend \Throwable
+        - '#PHPDoc tag \@throws with type (.*|)?Psr\\SimpleCache\\(CacheException|InvalidArgumentException)(|.*)? is not subtype of Throwable#'
+
+        - '#Access to an undefined property RocketTheme\\Toolbox\\Event\\Event::#'
+        - '#Instantiation of deprecated class RocketTheme\\Toolbox\\Event\\Event#'
+        - '#extends deprecated class RocketTheme\\Toolbox\\Event\\Event#'
+        - '#implements deprecated interface RocketTheme\\Toolbox\\Event\\EventSubscriberInterface#'
+        - '#Call to method __construct\(\) of deprecated class RocketTheme\\Toolbox\\Event\\Event#'
+        - '#Call to deprecated method (stopPropagation|isPropagationStopped)\(\) of class Symfony\\Component\\EventDispatcher\\Event#'
+        - '#Call to an undefined method Grav\\Plugin\\ApartmentData\\Application\\Application::#'
+        - '#Parameter \#1 \$lineNumberStyle of method ScssPhp\\ScssPhp\\Compiler::setLineNumberStyle\(\) expects string, int given#'
+
+        # Deprecated event class
+        - '#has typehint with deprecated class RocketTheme\\Toolbox\\Event\\Event#'

tests/unit.suite.yml

@@ -0,0 +1,9 @@
+# Codeception Test Suite Configuration
+#
+# Suite for unit (internal) tests.
+
+class_name: UnitTester
+modules:
+    enabled:
+        - Asserts
+        - \Helper\Unit

tests/unit/Grav/Common/AssetsTest.php

@@ -0,0 +1,847 @@
+<?php
+
+use Codeception\Util\Fixtures;
+use Grav\Common\Grav;
+use Grav\Common\Assets;
+
+/**
+ * Class AssetsTest
+ */
+class AssetsTest extends \Codeception\TestCase\Test
+{
+    /** @var Grav $grav */
+    protected $grav;
+
+    /** @var Assets $assets */
+    protected $assets;
+
+    protected function _before(): void
+    {
+        $grav = Fixtures::get('grav');
+        $this->grav = $grav();
+        $this->assets = $this->grav['assets'];
+    }
+
+    protected function _after(): void
+    {
+    }
+
+    public function testAddingAssets(): void
+    {
+        //test add()
+        $this->assets->add('test.css');
+
+        $css = $this->assets->css();
+        self::assertSame('<link href="/test.css" type="text/css" rel="stylesheet">' . PHP_EOL, $css);
+
+        $array = $this->assets->getCss();
+
+        /** @var Assets\BaseAsset $item */
+        $item = reset($array);
+        $actual = json_encode($item);
+        $expected = '
+        {
+           "type":"css",
+           "elements":{
+              "asset":"\/test.css",
+              "asset_type":"css",
+              "order":0,
+              "group":"head",
+              "position":"pipeline",
+              "priority":10,
+              "attributes":{
+                 "type":"text\/css",
+                 "rel":"stylesheet"
+              },
+              "modified":false,
+              "query":""
+           }
+        }';
+        self::assertJsonStringEqualsJsonString($expected, $actual);
+
+        $this->assets->add('test.js');
+        $js = $this->assets->js();
+        self::assertSame('<script src="/test.js"></script>' . PHP_EOL, $js);
+
+        $array = $this->assets->getJs();
+
+        /** @var Assets\BaseAsset $item */
+        $item = reset($array);
+        $actual = json_encode($item);
+        $expected = '
+        {
+           "type":"js",
+           "elements":{
+              "asset":"\/test.js",
+              "asset_type":"js",
+              "order":0,
+              "group":"head",
+              "position":"pipeline",
+              "priority":10,
+              "attributes":[
+
+              ],
+              "modified":false,
+              "query":""
+           }
+        }';
+        self::assertJsonStringEqualsJsonString($expected, $actual);
+
+        //test addCss(). Test adding asset to a separate group
+        $this->assets->reset();
+        $this->assets->addCSS('test.css');
+        $css = $this->assets->css();
+        self::assertSame('<link href="/test.css" type="text/css" rel="stylesheet">' . PHP_EOL, $css);
+
+        $array = $this->assets->getCss();
+        /** @var Assets\BaseAsset $item */
+        $item = reset($array);
+        $actual = json_encode($item);
+        $expected = '
+        {
+           "type":"css",
+           "elements":{
+              "asset":"\/test.css",
+              "asset_type":"css",
+              "order":0,
+              "group":"head",
+              "position":"pipeline",
+              "priority":10,
+              "attributes":{
+                 "type":"text\/css",
+                 "rel":"stylesheet"
+              },
+              "modified":false,
+              "query":""
+           }
+        }';
+        self::assertJsonStringEqualsJsonString($expected, $actual);
+
+        //test addCss(). Testing with remote URL
+        $this->assets->reset();
+        $this->assets->addCSS('http://www.somesite.com/test.css');
+        $css = $this->assets->css();
+        self::assertSame('<link href="http://www.somesite.com/test.css" type="text/css" rel="stylesheet">' . PHP_EOL, $css);
+
+        $array = $this->assets->getCss();
+        /** @var Assets\BaseAsset $item */
+        $item = reset($array);
+        $actual = json_encode($item);
+        $expected = '
+        {
+           "type":"css",
+           "elements":{
+              "asset":"http:\/\/www.somesite.com\/test.css",
+              "asset_type":"css",
+              "order":0,
+              "group":"head",
+              "position":"pipeline",
+              "priority":10,
+              "attributes":{
+                 "type":"text\/css",
+                 "rel":"stylesheet"
+              },
+              "query":""
+           }
+        }';
+        self::assertJsonStringEqualsJsonString($expected, $actual);
+
+        //test addCss() adding asset to a separate group, and with an alternate rel attribute
+        $this->assets->reset();
+        $this->assets->addCSS('test.css', ['group' => 'alternate', 'rel' => 'alternate']);
+        $css = $this->assets->css('alternate');
+        self::assertSame('<link href="/test.css" type="text/css" rel="alternate">' . PHP_EOL, $css);
+
+        //test addJs()
+        $this->assets->reset();
+        $this->assets->addJs('test.js');
+        $js = $this->assets->js();
+        self::assertSame('<script src="/test.js"></script>' . PHP_EOL, $js);
+
+        $array = $this->assets->getJs();
+        /** @var Assets\BaseAsset $item */
+        $item = reset($array);
+        $actual = json_encode($item);
+        $expected = '
+        {
+           "type":"js",
+           "elements":{
+              "asset":"\/test.js",
+              "asset_type":"js",
+              "order":0,
+              "group":"head",
+              "position":"pipeline",
+              "priority":10,
+              "attributes":[],
+              "modified":false,
+              "query":""
+           }
+        }';
+        self::assertJsonStringEqualsJsonString($expected, $actual);
+
+        //Test CSS Groups
+        $this->assets->reset();
+        $this->assets->addCSS('test.css', ['group' => 'footer']);
+        $css = $this->assets->css();
+        self::assertEmpty($css);
+        $css = $this->assets->css('footer');
+        self::assertSame('<link href="/test.css" type="text/css" rel="stylesheet">' . PHP_EOL, $css);
+
+        $array = $this->assets->getCss();
+        /** @var Assets\BaseAsset $item */
+        $item = reset($array);
+        $actual = json_encode($item);
+        $expected = '
+        {
+          "type": "css",
+          "elements": {
+            "asset": "/test.css",
+            "asset_type": "css",
+            "order": 0,
+            "group": "footer",
+            "position": "pipeline",
+            "priority": 10,
+            "attributes": {
+              "type": "text/css",
+              "rel": "stylesheet"
+            },
+            "modified": false,
+            "query": ""
+          }
+        }
+        ';
+        self::assertJsonStringEqualsJsonString($expected, $actual);
+
+        //Test JS Groups
+        $this->assets->reset();
+        $this->assets->addJs('test.js', ['group' => 'footer']);
+        $js = $this->assets->js();
+        self::assertEmpty($js);
+        $js = $this->assets->js('footer');
+        self::assertSame('<script src="/test.js"></script>' . PHP_EOL, $js);
+
+        $array = $this->assets->getJs();
+        /** @var Assets\BaseAsset $item */
+        $item = reset($array);
+        $actual = json_encode($item);
+        $expected = '
+        {
+          "type": "js",
+          "elements": {
+            "asset": "/test.js",
+            "asset_type": "js",
+            "order": 0,
+            "group": "footer",
+            "position": "pipeline",
+            "priority": 10,
+            "attributes": [],
+            "modified": false,
+            "query": ""
+          }
+        }';
+        self::assertJsonStringEqualsJsonString($expected, $actual);
+
+        //Test async / defer
+        $this->assets->reset();
+        $this->assets->addJs('test.js', ['loading' => 'async']);
+        $js = $this->assets->js();
+        self::assertSame('<script src="/test.js" async></script>' . PHP_EOL, $js);
+
+        $array = $this->assets->getJs();
+        /** @var Assets\BaseAsset $item */
+        $item = reset($array);
+        $actual = json_encode($item);
+        $expected = '
+        {
+          "type": "js",
+          "elements": {
+            "asset": "/test.js",
+            "asset_type": "js",
+            "order": 0,
+            "group": "head",
+            "position": "pipeline",
+            "priority": 10,
+            "attributes": {
+              "loading": "async"
+            },
+            "modified": false,
+            "query": ""
+          }
+        }';
+        self::assertJsonStringEqualsJsonString($expected, $actual);
+
+        $this->assets->reset();
+        $this->assets->addJs('test.js', ['loading' => 'defer']);
+        $js = $this->assets->js();
+        self::assertSame('<script src="/test.js" defer></script>' . PHP_EOL, $js);
+
+        $array = $this->assets->getJs();
+        /** @var Assets\BaseAsset $item */
+        $item = reset($array);
+        $actual = json_encode($item);
+        $expected = '
+        {
+          "type": "js",
+          "elements": {
+            "asset": "/test.js",
+            "asset_type": "js",
+            "order": 0,
+            "group": "head",
+            "position": "pipeline",
+            "priority": 10,
+            "attributes": {
+              "loading": "defer"
+            },
+            "modified": false,
+            "query": ""
+          }
+        }';
+        self::assertJsonStringEqualsJsonString($expected, $actual);
+
+        //Test inline
+        $this->assets->reset();
+        $this->assets->setJsPipeline(true);
+        $this->assets->addJs('/system/assets/jquery/jquery-3.x.min.js');
+        $js = $this->assets->js('head', ['loading' => 'inline']);
+        self::assertStringContainsString('"jquery",[],function()', $js);
+
+        $this->assets->reset();
+        $this->assets->setCssPipeline(true);
+        $this->assets->addCss('/system/assets/debugger/phpdebugbar.css');
+        $css = $this->assets->css('head', ['loading' => 'inline']);
+        self::assertStringContainsString('div.phpdebugbar', $css);
+
+        $this->assets->reset();
+        $this->assets->setCssPipeline(true);
+        $this->assets->addCss('https://fonts.googleapis.com/css?family=Roboto');
+        $css = $this->assets->css('head', ['loading' => 'inline']);
+        self::assertStringContainsString('font-family:\'Roboto\';', $css);
+
+        //Test adding media queries
+        $this->assets->reset();
+        $this->assets->add('test.css', ['media' => 'only screen and (min-width: 640px)']);
+        $css = $this->assets->css();
+        self::assertSame('<link href="/test.css" type="text/css" rel="stylesheet" media="only screen and (min-width: 640px)">' . PHP_EOL, $css);
+    }
+
+    public function testAddingAssetPropertiesWithArray(): void
+    {
+        //Test adding assets with object to define properties
+        $this->assets->reset();
+        $this->assets->addJs('test.js', ['loading' => 'async']);
+        $js = $this->assets->js();
+        self::assertSame('<script src="/test.js" async></script>' . PHP_EOL, $js);
+        $this->assets->reset();
+    }
+
+    public function testAddingJSAssetPropertiesWithArrayFromCollection(): void
+    {
+        //Test adding properties with array
+        $this->assets->reset();
+        $this->assets->addJs('jquery', ['loading' => 'async']);
+        $js = $this->assets->js();
+        self::assertSame('<script src="/system/assets/jquery/jquery-3.x.min.js" async></script>' . PHP_EOL, $js);
+
+        //Test priority too
+        $this->assets->reset();
+        $this->assets->addJs('jquery', ['loading' => 'async', 'priority' => 1]);
+        $this->assets->addJs('test.js', ['loading' => 'async', 'priority' => 2]);
+        $js = $this->assets->js();
+        self::assertSame('<script src="/test.js" async></script>' . PHP_EOL .
+            '<script src="/system/assets/jquery/jquery-3.x.min.js" async></script>' . PHP_EOL, $js);
+
+        //Test multiple groups
+        $this->assets->reset();
+        $this->assets->addJs('jquery', ['loading' => 'async', 'priority' => 1, 'group' => 'footer']);
+        $this->assets->addJs('test.js', ['loading' => 'async', 'priority' => 2]);
+        $js = $this->assets->js();
+        self::assertSame('<script src="/test.js" async></script>' . PHP_EOL, $js);
+        $js = $this->assets->js('footer');
+        self::assertSame('<script src="/system/assets/jquery/jquery-3.x.min.js" async></script>' . PHP_EOL, $js);
+
+        //Test adding array of assets
+        //Test priority too
+        $this->assets->reset();
+        $this->assets->addJs(['jquery', 'test.js'], ['loading' => 'async']);
+        $js = $this->assets->js();
+
+        self::assertSame('<script src="/system/assets/jquery/jquery-3.x.min.js" async></script>' . PHP_EOL .
+            '<script src="/test.js" async></script>' . PHP_EOL, $js);
+    }
+
+    public function testAddingLegacyFormat(): void
+    {
+        // regular CSS add
+        //test addCss(). Test adding asset to a separate group
+        $this->assets->reset();
+        $this->assets->addCSS('test.css', 15, true, 'bottom', 'async');
+        $css = $this->assets->css('bottom');
+        self::assertSame('<link href="/test.css" type="text/css" rel="stylesheet" async>' . PHP_EOL, $css);
+
+        $array = $this->assets->getCss();
+        /** @var Assets\BaseAsset $item */
+        $item = reset($array);
+        $actual = json_encode($item);
+        $expected = '
+        {
+           "type":"css",
+           "elements":{
+              "asset":"\/test.css",
+              "asset_type":"css",
+              "order":0,
+              "group":"bottom",
+              "position":"pipeline",
+              "priority":15,
+              "attributes":{
+                 "type":"text\/css",
+                 "rel":"stylesheet",
+                 "loading":"async"
+              },
+              "modified":false,
+              "query":""
+           }
+        }';
+        self::assertJsonStringEqualsJsonString($expected, $actual);
+
+        $this->assets->reset();
+        $this->assets->addJs('test.js', 15, false, 'defer', 'bottom');
+        $js = $this->assets->js('bottom');
+        self::assertSame('<script src="/test.js" defer></script>' . PHP_EOL, $js);
+
+        $array = $this->assets->getJs();
+        /** @var Assets\BaseAsset $item */
+        $item = reset($array);
+        $actual = json_encode($item);
+        $expected = '
+        {
+          "type": "js",
+          "elements": {
+            "asset": "/test.js",
+            "asset_type": "js",
+            "order": 0,
+            "group": "bottom",
+            "position": "after",
+            "priority": 15,
+            "attributes": {
+              "loading": "defer"
+            },
+            "modified": false,
+            "query": ""
+          }
+        }';
+        self::assertJsonStringEqualsJsonString($expected, $actual);
+
+
+        $this->assets->reset();
+        $this->assets->addInlineCss('body { color: black }', 15, 'bottom');
+        $css = $this->assets->css('bottom');
+        self::assertSame('<style>' . PHP_EOL . 'body { color: black }' . PHP_EOL . '</style>' . PHP_EOL, $css);
+
+        $this->assets->reset();
+        $this->assets->addInlineJs('alert("test")', 15, 'bottom', ['id' => 'foo']);
+        $js = $this->assets->js('bottom');
+        self::assertSame('<script id="foo">' . PHP_EOL . 'alert("test")' . PHP_EOL . '</script>' . PHP_EOL, $js);
+    }
+
+    public function testAddingCSSAssetPropertiesWithArrayFromCollection(): void
+    {
+        $this->assets->registerCollection('test', ['/system/assets/whoops.css']);
+
+        //Test priority too
+        $this->assets->reset();
+        $this->assets->addCss('test', ['priority' => 1]);
+        $this->assets->addCss('test.css', ['priority' => 2]);
+        $css = $this->assets->css();
+        self::assertSame('<link href="/test.css" type="text/css" rel="stylesheet">' . PHP_EOL .
+            '<link href="/system/assets/whoops.css" type="text/css" rel="stylesheet">' . PHP_EOL, $css);
+
+        //Test multiple groups
+        $this->assets->reset();
+        $this->assets->addCss('test', ['priority' => 1, 'group' => 'footer']);
+        $this->assets->addCss('test.css', ['priority' => 2]);
+        $css = $this->assets->css();
+        self::assertSame('<link href="/test.css" type="text/css" rel="stylesheet">' . PHP_EOL, $css);
+        $css = $this->assets->css('footer');
+        self::assertSame('<link href="/system/assets/whoops.css" type="text/css" rel="stylesheet">' . PHP_EOL, $css);
+
+        //Test adding array of assets
+        //Test priority too
+        $this->assets->reset();
+        $this->assets->addCss(['test', 'test.css'], ['loading' => 'async']);
+        $css = $this->assets->css();
+        self::assertSame('<link href="/system/assets/whoops.css" type="text/css" rel="stylesheet" async>' . PHP_EOL .
+            '<link href="/test.css" type="text/css" rel="stylesheet" async>' . PHP_EOL, $css);
+    }
+
+    public function testAddingAssetPropertiesWithArrayFromCollectionAndParameters(): void
+    {
+        $this->assets->registerCollection('collection_multi_params', [
+            'foo.js' => [ 'defer' => true ],
+            'bar.js' => [ 'integrity' => 'sha512-abc123' ],
+            'foobar.css' => [ 'defer' => null, 'loading' => null ]
+        ]);
+
+        // # Test adding properties with array
+        $this->assets->addJs('collection_multi_params', ['loading' => 'async']);
+        $js = $this->assets->js();
+
+        // expected output
+        $expected = [
+            '<script src="/foo.js" async defer="1"></script>',
+            '<script src="/bar.js" async integrity="sha512-abc123"></script>',
+            '<script src="/foobar.css"></script>',
+        ];
+
+        self::assertCount(count($expected), array_filter(explode("\n", $js)));
+        self::assertSame(implode("\n", $expected) . PHP_EOL, $js);
+
+        // # Test priority as second argument + render JS should not have any css
+        $this->assets->reset();
+        $this->assets->add('low_priority.js', 1);
+        $this->assets->add('collection_multi_params', 2);
+        $js = $this->assets->js();
+
+        // expected output
+        $expected = [
+            '<script src="/foo.js" defer="1"></script>',
+            '<script src="/bar.js" integrity="sha512-abc123"></script>',
+            '<script src="/low_priority.js"></script>',
+        ];
+
+        self::assertCount(3, array_filter(explode("\n", $js)));
+        self::assertSame(implode("\n", $expected) . PHP_EOL, $js);
+
+        // # Test rendering CSS, should not have any JS
+        $this->assets->reset();
+        $this->assets->add('collection_multi_params', [ 'class' => '__classname' ]);
+        $css = $this->assets->css();
+
+        // expected output
+        $expected = [
+            '<link href="/foobar.css" type="text/css" rel="stylesheet" class="__classname">',
+        ];
+
+
+        self::assertCount(1, array_filter(explode("\n", $css)));
+        self::assertSame(implode("\n", $expected) . PHP_EOL, $css);
+    }
+
+    public function testPriorityOfAssets(): void
+    {
+        $this->assets->reset();
+        $this->assets->add('test.css');
+        $this->assets->add('test-after.css');
+
+        $css = $this->assets->css();
+        self::assertSame('<link href="/test.css" type="text/css" rel="stylesheet">' . PHP_EOL .
+            '<link href="/test-after.css" type="text/css" rel="stylesheet">' . PHP_EOL, $css);
+
+        //----------------
+        $this->assets->reset();
+        $this->assets->add('test-after.css', 1);
+        $this->assets->add('test.css', 2);
+
+        $css = $this->assets->css();
+        self::assertSame('<link href="/test.css" type="text/css" rel="stylesheet">' . PHP_EOL .
+            '<link href="/test-after.css" type="text/css" rel="stylesheet">' . PHP_EOL, $css);
+
+        //----------------
+        $this->assets->reset();
+        $this->assets->add('test-after.css', 1);
+        $this->assets->add('test.css', 2);
+        $this->assets->add('test-before.css', 3);
+
+        $css = $this->assets->css();
+        self::assertSame('<link href="/test-before.css" type="text/css" rel="stylesheet">' . PHP_EOL .
+            '<link href="/test.css" type="text/css" rel="stylesheet">' . PHP_EOL .
+            '<link href="/test-after.css" type="text/css" rel="stylesheet">' . PHP_EOL, $css);
+    }
+
+    public function testPipeline(): void
+    {
+        $this->assets->reset();
+
+        //File not existing. Pipeline searches for that file without reaching it. Output is empty.
+        $this->assets->add('test.css', null, true);
+        $this->assets->setCssPipeline(true);
+        $css = $this->assets->css();
+        self::assertRegExp('#<link href=\"\/assets\/(.*).css\" type=\"text\/css\" rel=\"stylesheet\">#', $css);
+
+        //Add a core Grav CSS file, which is found. Pipeline will now return a file
+        $this->assets->add('/system/assets/debugger/phpdebugbar', null, true);
+        $css = $this->assets->css();
+        self::assertRegExp('#<link href=\"\/assets\/(.*).css\" type=\"text\/css\" rel=\"stylesheet\">#', $css);
+    }
+
+    public function testPipelineWithTimestamp(): void
+    {
+        $this->assets->reset();
+        $this->assets->setTimestamp('foo');
+        $this->assets->setCssPipeline(true);
+
+        //Add a core Grav CSS file, which is found. Pipeline will now return a file
+        $this->assets->add('/system/assets/debugger.css', null, true);
+        $css = $this->assets->css();
+        self::assertRegExp('#<link href=\"\/assets\/(.*).css\?foo\" type=\"text\/css\" rel=\"stylesheet\">#', $css);
+    }
+
+    public function testInline(): void
+    {
+        $this->assets->reset();
+
+        //File not existing. Pipeline searches for that file without reaching it. Output is empty.
+        $this->assets->add('test.css', ['loading' => 'inline']);
+        $css = $this->assets->css();
+        self::assertSame("<style>\n\n</style>\n", $css);
+
+        $this->assets->reset();
+        //Add a core Grav CSS file, which is found. Pipeline will now return its content.
+        $this->assets->addCss('https://fonts.googleapis.com/css?family=Roboto', ['loading' => 'inline']);
+        $this->assets->addCss('/system/assets/debugger/phpdebugbar.css', ['loading' => 'inline']);
+        $css = $this->assets->css();
+        self::assertStringContainsString('font-family: \'Roboto\';', $css);
+        self::assertStringContainsString('div.phpdebugbar-header', $css);
+    }
+
+    public function testInlinePipeline(): void
+    {
+        $this->assets->reset();
+        $this->assets->setCssPipeline(true);
+
+        //File not existing. Pipeline searches for that file without reaching it. Output is empty.
+        $this->assets->add('test.css');
+        $css = $this->assets->css('head', ['loading' => 'inline']);
+        self::assertSame("<style>\n\n</style>\n", $css);
+
+        //Add a core Grav CSS file, which is found. Pipeline will now return its content.
+        $this->assets->addCss('https://fonts.googleapis.com/css?family=Roboto', null, true);
+        $this->assets->add('/system/assets/debugger/phpdebugbar.css', null, true);
+        $css = $this->assets->css('head', ['loading' => 'inline']);
+        self::assertStringContainsString('font-family:\'Roboto\';', $css);
+        self::assertStringContainsString('div.phpdebugbar', $css);
+    }
+
+    public function testAddAsyncJs(): void
+    {
+        $this->assets->reset();
+        $this->assets->addAsyncJs('jquery');
+        $js = $this->assets->js();
+        self::assertSame('<script src="/system/assets/jquery/jquery-3.x.min.js" async></script>' . PHP_EOL, $js);
+    }
+
+    public function testAddDeferJs(): void
+    {
+        $this->assets->reset();
+        $this->assets->addDeferJs('jquery');
+        $js = $this->assets->js();
+        self::assertSame('<script src="/system/assets/jquery/jquery-3.x.min.js" defer></script>' . PHP_EOL, $js);
+    }
+
+    public function testTimestamps(): void
+    {
+        // local CSS nothing extra
+        $this->assets->reset();
+        $this->assets->setTimestamp('foo');
+        $this->assets->addCSS('test.css');
+        $css = $this->assets->css();
+        self::assertSame('<link href="/test.css?foo" type="text/css" rel="stylesheet">' . PHP_EOL, $css);
+
+        // local CSS already with param
+        $this->assets->reset();
+        $this->assets->setTimestamp('foo');
+        $this->assets->addCSS('test.css?bar');
+        $css = $this->assets->css();
+        self::assertSame('<link href="/test.css?bar&foo" type="text/css" rel="stylesheet">' . PHP_EOL, $css);
+
+        // external CSS already
+        $this->assets->reset();
+        $this->assets->setTimestamp('foo');
+        $this->assets->addCSS('http://somesite.com/test.css');
+        $css = $this->assets->css();
+        self::assertSame('<link href="http://somesite.com/test.css?foo" type="text/css" rel="stylesheet">' . PHP_EOL, $css);
+
+        // external CSS already with param
+        $this->assets->reset();
+        $this->assets->setTimestamp('foo');
+        $this->assets->addCSS('http://somesite.com/test.css?bar');
+        $css = $this->assets->css();
+        self::assertSame('<link href="http://somesite.com/test.css?bar&foo" type="text/css" rel="stylesheet">' . PHP_EOL, $css);
+
+        // local JS nothing extra
+        $this->assets->reset();
+        $this->assets->setTimestamp('foo');
+        $this->assets->addJs('test.js');
+        $css = $this->assets->js();
+        self::assertSame('<script src="/test.js?foo"></script>' . PHP_EOL, $css);
+
+        // local JS already with param
+        $this->assets->reset();
+        $this->assets->setTimestamp('foo');
+        $this->assets->addJs('test.js?bar');
+        $css = $this->assets->js();
+        self::assertSame('<script src="/test.js?bar&foo"></script>' . PHP_EOL, $css);
+
+        // external JS already
+        $this->assets->reset();
+        $this->assets->setTimestamp('foo');
+        $this->assets->addJs('http://somesite.com/test.js');
+        $css = $this->assets->js();
+        self::assertSame('<script src="http://somesite.com/test.js?foo"></script>' . PHP_EOL, $css);
+
+        // external JS already with param
+        $this->assets->reset();
+        $this->assets->setTimestamp('foo');
+        $this->assets->addJs('http://somesite.com/test.js?bar');
+        $css = $this->assets->js();
+        self::assertSame('<script src="http://somesite.com/test.js?bar&foo"></script>' . PHP_EOL, $css);
+    }
+
+    public function testAddInlineCss(): void
+    {
+        $this->assets->reset();
+        $this->assets->addInlineCss('body { color: black }');
+        $css = $this->assets->css();
+        self::assertSame('<style>' . PHP_EOL . 'body { color: black }' . PHP_EOL . '</style>' . PHP_EOL, $css);
+    }
+
+    public function testAddInlineJs(): void
+    {
+        $this->assets->reset();
+        $this->assets->addInlineJs('alert("test")');
+        $js = $this->assets->js();
+        self::assertSame('<script>' . PHP_EOL . 'alert("test")' . PHP_EOL . '</script>' . PHP_EOL, $js);
+    }
+
+    public function testGetCollections(): void
+    {
+        self::assertIsArray($this->assets->getCollections());
+        self::assertContains('jquery', array_keys($this->assets->getCollections()));
+        self::assertContains('system://assets/jquery/jquery-3.x.min.js', $this->assets->getCollections());
+    }
+
+    public function testExists(): void
+    {
+        self::assertTrue($this->assets->exists('jquery'));
+        self::assertFalse($this->assets->exists('another-unexisting-library'));
+    }
+
+    public function testRegisterCollection(): void
+    {
+        $this->assets->registerCollection('debugger', ['/system/assets/debugger.css']);
+        self::assertTrue($this->assets->exists('debugger'));
+        self::assertContains('debugger', array_keys($this->assets->getCollections()));
+    }
+
+    public function testRegisterCollectionWithParameters(): void
+    {
+        $this->assets->registerCollection('collection_multi_params', [
+            'foo.js' => [ 'defer' => true ],
+            'bar.js' => [ 'integrity' => 'sha512-abc123' ],
+            'foobar.css' => [ 'defer' => null ],
+        ]);
+
+        self::assertTrue($this->assets->exists('collection_multi_params'));
+
+        $collection = $this->assets->getCollections()['collection_multi_params'];
+        self::assertArrayHasKey('foo.js', $collection);
+        self::assertArrayHasKey('bar.js', $collection);
+        self::assertArrayHasKey('foobar.css', $collection);
+        self::assertArrayHasKey('defer', $collection['foo.js']);
+        self::assertArrayHasKey('defer', $collection['foobar.css']);
+
+        self::assertNull($collection['foobar.css']['defer']);
+        self::assertTrue($collection['foo.js']['defer']);
+    }
+
+    public function testReset(): void
+    {
+        $this->assets->addInlineJs('alert("test")');
+        $this->assets->reset();
+        self::assertCount(0, (array) $this->assets->getJs());
+
+        $this->assets->addAsyncJs('jquery');
+        $this->assets->reset();
+        self::assertCount(0, (array) $this->assets->getJs());
+
+        $this->assets->addInlineCss('body { color: black }');
+        $this->assets->reset();
+        self::assertCount(0, (array) $this->assets->getCss());
+
+        $this->assets->add('/system/assets/debugger.css', null, true);
+        $this->assets->reset();
+        self::assertCount(0, (array) $this->assets->getCss());
+    }
+
+    public function testResetJs(): void
+    {
+        $this->assets->addInlineJs('alert("test")');
+        $this->assets->resetJs();
+        self::assertCount(0, (array) $this->assets->getJs());
+
+        $this->assets->addAsyncJs('jquery');
+        $this->assets->resetJs();
+        self::assertCount(0, (array) $this->assets->getJs());
+    }
+
+    public function testResetCss(): void
+    {
+        $this->assets->addInlineCss('body { color: black }');
+        $this->assets->resetCss();
+        self::assertCount(0, (array) $this->assets->getCss());
+
+        $this->assets->add('/system/assets/debugger.css', null, true);
+        $this->assets->resetCss();
+        self::assertCount(0, (array) $this->assets->getCss());
+    }
+
+    public function testAddDirCss(): void
+    {
+        $this->assets->addDirCss('/system');
+
+        self::assertIsArray($this->assets->getCss());
+        self::assertGreaterThan(0, (array) $this->assets->getCss());
+        self::assertIsArray($this->assets->getJs());
+        self::assertCount(0, (array) $this->assets->getJs());
+
+        $this->assets->reset();
+        $this->assets->addDirCss('/system/assets');
+
+        self::assertIsArray($this->assets->getCss());
+        self::assertGreaterThan(0, (array) $this->assets->getCss());
+        self::assertIsArray($this->assets->getJs());
+        self::assertCount(0, (array) $this->assets->getJs());
+
+        $this->assets->reset();
+        $this->assets->addDirJs('/system');
+
+        self::assertIsArray($this->assets->getCss());
+        self::assertCount(0, (array) $this->assets->getCss());
+        self::assertIsArray($this->assets->getJs());
+        self::assertGreaterThan(0, (array) $this->assets->getJs());
+
+        $this->assets->reset();
+        $this->assets->addDirJs('/system/assets');
+
+        self::assertIsArray($this->assets->getCss());
+        self::assertCount(0, (array) $this->assets->getCss());
+        self::assertIsArray($this->assets->getJs());
+        self::assertGreaterThan(0, (array) $this->assets->getJs());
+
+        $this->assets->reset();
+        $this->assets->addDir('/system/assets');
+
+        self::assertIsArray($this->assets->getCss());
+        self::assertGreaterThan(0, (array) $this->assets->getCss());
+        self::assertIsArray($this->assets->getJs());
+        self::assertGreaterThan(0, (array) $this->assets->getJs());
+
+        //Use streams
+        $this->assets->reset();
+        $this->assets->addDir('system://assets');
+
+        self::assertIsArray($this->assets->getCss());
+        self::assertGreaterThan(0, (array) $this->assets->getCss());
+        self::assertIsArray($this->assets->getJs());
+        self::assertGreaterThan(0, (array) $this->assets->getJs());
+    }
+}

tests/unit/Grav/Common/BrowserTest.php

@@ -0,0 +1,51 @@
+<?php
+
+use Codeception\Util\Fixtures;
+use Grav\Common\Grav;
+
+/**
+ * Class BrowserTest
+ */
+class BrowserTest extends \Codeception\TestCase\Test
+{
+    /** @var Grav $grav */
+    protected $grav;
+
+    protected function _before(): void
+    {
+        $grav = Fixtures::get('grav');
+        $this->grav = $grav();
+    }
+
+    protected function _after(): void
+    {
+    }
+
+    public function testGetBrowser(): void
+    {
+ /* Already covered by PhpUserAgent tests */
+    }
+
+    public function testGetPlatform(): void
+    {
+ /* Already covered by PhpUserAgent tests */
+    }
+
+    public function testGetLongVersion(): void
+    {
+ /* Already covered by PhpUserAgent tests */
+    }
+
+    public function testGetVersion(): void
+    {
+ /* Already covered by PhpUserAgent tests */
+    }
+
+    public function testIsHuman(): void
+    {
+        //Already Partially covered by PhpUserAgent tests
+
+        //Make sure it recognizes the test as not human
+        self::assertFalse($this->grav['browser']->isHuman());
+    }
+}

tests/unit/Grav/Common/ComposerTest.php

@@ -0,0 +1,31 @@
+<?php
+
+use Codeception\Util\Fixtures;
+use Grav\Common\Composer;
+
+class ComposerTest extends \Codeception\TestCase\Test
+{
+    protected function _before(): void
+    {
+    }
+
+    protected function _after(): void
+    {
+    }
+
+    public function testGetComposerLocation(): void
+    {
+        $composerLocation = Composer::getComposerLocation();
+        self::assertIsString($composerLocation);
+        self::assertSame('/', $composerLocation[0]);
+    }
+
+    public function testGetComposerExecutor(): void
+    {
+        $composerExecutor = Composer::getComposerExecutor();
+        self::assertIsString($composerExecutor);
+        self::assertSame('/', $composerExecutor[0]);
+        self::assertNotNull(strstr($composerExecutor, 'php'));
+        self::assertNotNull(strstr($composerExecutor, 'composer'));
+    }
+}

tests/unit/Grav/Common/Data/BlueprintTest.php

@@ -0,0 +1,72 @@
+<?php
+
+use Grav\Common\Config\Config;
+use Grav\Common\Data\Blueprint;
+use Grav\Common\Grav;
+
+/**
+ * Class InstallCommandTest
+ */
+class BlueprintTest extends \Codeception\TestCase\Test
+{
+    /**
+     */
+    public function testValidateStrict(): void
+    {
+        $blueprint = $this->loadBlueprint('strict');
+
+        $blueprint->validate(['test' => 'string']);
+    }
+
+    /**
+     * @depends testValidateStrict
+     */
+    public function testValidateStrictRequired(): void
+    {
+        $blueprint = $this->loadBlueprint('strict');
+
+        $this->expectException(\Grav\Common\Data\ValidationException::class);
+        $blueprint->validate([]);
+    }
+
+    /**
+     * @depends testValidateStrict
+     */
+    public function testValidateStrictExtra(): void
+    {
+        $blueprint = $this->loadBlueprint('strict');
+
+        $blueprint->validate(['test' => 'string', 'wrong' => 'field']);
+    }
+
+    /**
+     * @depends testValidateStrict
+     */
+    public function testValidateStrictExtraException(): void
+    {
+        $blueprint = $this->loadBlueprint('strict');
+
+        /** @var Config $config */
+        $config = Grav::instance()['config'];
+        $var = 'system.strict_mode.blueprint_strict_compat';
+        $config->set($var, false);
+
+        $this->expectException(\Grav\Common\Data\ValidationException::class);
+        $blueprint->validate(['test' => 'string', 'wrong' => 'field']);
+
+        $config->set($var, true);
+    }
+
+    /**
+     * @param string $filename
+     * @return Blueprint
+     */
+    protected function loadBlueprint($filename): Blueprint
+    {
+        $blueprint = new Blueprint('strict');
+        $blueprint->setContext(dirname(__DIR__, 3). '/data/blueprints');
+        $blueprint->load()->init();
+
+        return $blueprint;
+    }
+}

tests/unit/Grav/Common/GPM/GPMTest.php

@@ -0,0 +1,329 @@
+<?php
+
+use Codeception\Util\Fixtures;
+use Grav\Common\Grav;
+use Grav\Common\GPM\GPM;
+
+define('EXCEPTION_BAD_FORMAT', 1);
+define('EXCEPTION_INCOMPATIBLE_VERSIONS', 2);
+
+/**
+ * Class GpmStub
+ */
+class GpmStub extends GPM
+{
+    /** @var array */
+    public $data;
+
+    /**
+     * @inheritdoc
+     */
+    public function findPackage($search, $ignore_exception = false)
+    {
+        return $this->data[$search] ?? false;
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function findPackages($searches = [])
+    {
+        return $this->data;
+    }
+}
+
+/**
+ * Class InstallCommandTest
+ */
+class GpmTest extends \Codeception\TestCase\Test
+{
+    /** @var Grav $grav */
+    protected $grav;
+
+    /** @var GpmStub */
+    protected $gpm;
+
+    protected function _before(): void
+    {
+        $this->grav = Fixtures::get('grav');
+        $this->gpm = new GpmStub();
+    }
+
+    protected function _after(): void
+    {
+    }
+
+    public function testCalculateMergedDependenciesOfPackages(): void
+    {
+        //////////////////////////////////////////////////////////////////////////////////////////
+        // First working example
+        //////////////////////////////////////////////////////////////////////////////////////////
+        $this->gpm->data = [
+            'admin' => (object)[
+                'dependencies' => [
+                    ['name' => 'grav', 'version' => '>=1.0.10'],
+                    ['name' => 'form', 'version' => '~2.0'],
+                    ['name' => 'login', 'version' => '>=2.0'],
+                    ['name' => 'errors', 'version' => '*'],
+                    ['name' => 'problems'],
+                ]
+            ],
+            'test' => (object)[
+                'dependencies' => [
+                    ['name' => 'errors', 'version' => '>=1.0']
+                ]
+            ],
+            'grav',
+            'form' => (object)[
+                'dependencies' => [
+                    ['name' => 'errors', 'version' => '>=3.2']
+                ]
+            ]
+
+
+        ];
+
+        $packages = ['admin', 'test'];
+
+        $dependencies = $this->gpm->calculateMergedDependenciesOfPackages($packages);
+
+        self::assertIsArray($dependencies);
+        self::assertCount(5, $dependencies);
+
+        self::assertSame('>=1.0.10', $dependencies['grav']);
+        self::assertArrayHasKey('errors', $dependencies);
+        self::assertArrayHasKey('problems', $dependencies);
+
+        //////////////////////////////////////////////////////////////////////////////////////////
+        // Second working example
+        //////////////////////////////////////////////////////////////////////////////////////////
+        $packages = ['admin', 'form'];
+
+        $dependencies = $this->gpm->calculateMergedDependenciesOfPackages($packages);
+        self::assertIsArray($dependencies);
+        self::assertCount(5, $dependencies);
+        self::assertSame('>=3.2', $dependencies['errors']);
+
+        //////////////////////////////////////////////////////////////////////////////////////////
+        // Third working example
+        //////////////////////////////////////////////////////////////////////////////////////////
+        $this->gpm->data = [
+
+            'admin' => (object)[
+                'dependencies' => [
+                    ['name' => 'errors', 'version' => '>=4.0'],
+                ]
+            ],
+            'test' => (object)[
+                'dependencies' => [
+                    ['name' => 'errors', 'version' => '>=1.0']
+                ]
+            ],
+            'another' => (object)[
+                'dependencies' => [
+                    ['name' => 'errors', 'version' => '>=3.2']
+                ]
+            ]
+
+        ];
+
+        $packages = ['admin', 'test', 'another'];
+
+
+        $dependencies = $this->gpm->calculateMergedDependenciesOfPackages($packages);
+        self::assertIsArray($dependencies);
+        self::assertCount(1, $dependencies);
+        self::assertSame('>=4.0', $dependencies['errors']);
+
+
+
+        //////////////////////////////////////////////////////////////////////////////////////////
+        // Test alpha / beta / rc
+        //////////////////////////////////////////////////////////////////////////////////////////
+        $this->gpm->data = [
+            'admin' => (object)[
+                'dependencies' => [
+                    ['name' => 'package1', 'version' => '>=4.0.0-rc1'],
+                    ['name' => 'package4', 'version' => '>=3.2.0'],
+                ]
+            ],
+            'test' => (object)[
+                'dependencies' => [
+                    ['name' => 'package1', 'version' => '>=4.0.0-rc2'],
+                    ['name' => 'package2', 'version' => '>=3.2.0-alpha'],
+                    ['name' => 'package3', 'version' => '>=3.2.0-alpha.2'],
+                    ['name' => 'package4', 'version' => '>=3.2.0-alpha'],
+                ]
+            ],
+            'another' => (object)[
+                'dependencies' => [
+                    ['name' => 'package2', 'version' => '>=3.2.0-beta.11'],
+                    ['name' => 'package3', 'version' => '>=3.2.0-alpha.1'],
+                    ['name' => 'package4', 'version' => '>=3.2.0-beta'],
+                ]
+            ]
+        ];
+
+        $packages = ['admin', 'test', 'another'];
+
+
+        $dependencies = $this->gpm->calculateMergedDependenciesOfPackages($packages);
+        self::assertSame('>=4.0.0-rc2', $dependencies['package1']);
+        self::assertSame('>=3.2.0-beta.11', $dependencies['package2']);
+        self::assertSame('>=3.2.0-alpha.2', $dependencies['package3']);
+        self::assertSame('>=3.2.0', $dependencies['package4']);
+
+
+        //////////////////////////////////////////////////////////////////////////////////////////
+        // Raise exception if no version is specified
+        //////////////////////////////////////////////////////////////////////////////////////////
+        $this->gpm->data = [
+
+            'admin' => (object)[
+                'dependencies' => [
+                    ['name' => 'errors', 'version' => '>=4.0'],
+                ]
+            ],
+            'test' => (object)[
+                'dependencies' => [
+                    ['name' => 'errors', 'version' => '>=']
+                ]
+            ],
+
+        ];
+
+        $packages = ['admin', 'test'];
+
+        try {
+            $this->gpm->calculateMergedDependenciesOfPackages($packages);
+            self::fail('Expected Exception not thrown');
+        } catch (Exception $e) {
+            self::assertEquals(EXCEPTION_BAD_FORMAT, $e->getCode());
+            self::assertStringStartsWith('Bad format for version of dependency', $e->getMessage());
+        }
+
+        //////////////////////////////////////////////////////////////////////////////////////////
+        // Raise exception if incompatible versions are specified
+        //////////////////////////////////////////////////////////////////////////////////////////
+        $this->gpm->data = [
+            'admin' => (object)[
+                'dependencies' => [
+                    ['name' => 'errors', 'version' => '~4.0'],
+                ]
+            ],
+            'test' => (object)[
+                'dependencies' => [
+                    ['name' => 'errors', 'version' => '~3.0']
+                ]
+            ],
+        ];
+
+        $packages = ['admin', 'test'];
+
+        try {
+            $this->gpm->calculateMergedDependenciesOfPackages($packages);
+            self::fail('Expected Exception not thrown');
+        } catch (Exception $e) {
+            self::assertEquals(EXCEPTION_INCOMPATIBLE_VERSIONS, $e->getCode());
+            self::assertStringEndsWith('required in two incompatible versions', $e->getMessage());
+        }
+
+        //////////////////////////////////////////////////////////////////////////////////////////
+        // Test dependencies of dependencies
+        //////////////////////////////////////////////////////////////////////////////////////////
+        $this->gpm->data = [
+            'admin' => (object)[
+                'dependencies' => [
+                    ['name' => 'grav', 'version' => '>=1.0.10'],
+                    ['name' => 'form', 'version' => '~2.0'],
+                    ['name' => 'login', 'version' => '>=2.0'],
+                    ['name' => 'errors', 'version' => '*'],
+                    ['name' => 'problems'],
+                ]
+            ],
+            'login' => (object)[
+                'dependencies' => [
+                    ['name' => 'antimatter', 'version' => '>=1.0']
+                ]
+            ],
+            'grav',
+            'antimatter' => (object)[
+                'dependencies' => [
+                    ['name' => 'something', 'version' => '>=3.2']
+                ]
+            ]
+
+
+        ];
+
+        $packages = ['admin'];
+
+        $dependencies = $this->gpm->calculateMergedDependenciesOfPackages($packages);
+
+        self::assertIsArray($dependencies);
+        self::assertCount(7, $dependencies);
+
+        self::assertSame('>=1.0.10', $dependencies['grav']);
+        self::assertArrayHasKey('errors', $dependencies);
+        self::assertArrayHasKey('problems', $dependencies);
+        self::assertArrayHasKey('antimatter', $dependencies);
+        self::assertArrayHasKey('something', $dependencies);
+        self::assertSame('>=3.2', $dependencies['something']);
+    }
+
+    public function testVersionFormatIsNextSignificantRelease(): void
+    {
+        self::assertFalse($this->gpm->versionFormatIsNextSignificantRelease('>=1.0'));
+        self::assertFalse($this->gpm->versionFormatIsNextSignificantRelease('>=2.3.4'));
+        self::assertFalse($this->gpm->versionFormatIsNextSignificantRelease('>=2.3.x'));
+        self::assertFalse($this->gpm->versionFormatIsNextSignificantRelease('1.0'));
+        self::assertTrue($this->gpm->versionFormatIsNextSignificantRelease('~2.3.x'));
+        self::assertTrue($this->gpm->versionFormatIsNextSignificantRelease('~2.0'));
+    }
+
+    public function testVersionFormatIsEqualOrHigher(): void
+    {
+        self::assertTrue($this->gpm->versionFormatIsEqualOrHigher('>=1.0'));
+        self::assertTrue($this->gpm->versionFormatIsEqualOrHigher('>=2.3.4'));
+        self::assertTrue($this->gpm->versionFormatIsEqualOrHigher('>=2.3.x'));
+        self::assertFalse($this->gpm->versionFormatIsEqualOrHigher('~2.3.x'));
+        self::assertFalse($this->gpm->versionFormatIsEqualOrHigher('1.0'));
+    }
+
+    public function testCheckNextSignificantReleasesAreCompatible(): void
+    {
+        /*
+         * ~1.0     is equivalent to >=1.0 < 2.0.0
+         * ~1.2     is equivalent to >=1.2 <2.0.0
+         * ~1.2.3   is equivalent to >=1.2.3 <1.3.0
+         */
+        self::assertTrue($this->gpm->checkNextSignificantReleasesAreCompatible('1.0', '1.2'));
+        self::assertTrue($this->gpm->checkNextSignificantReleasesAreCompatible('1.2', '1.0'));
+        self::assertTrue($this->gpm->checkNextSignificantReleasesAreCompatible('1.0', '1.0.10'));
+        self::assertTrue($this->gpm->checkNextSignificantReleasesAreCompatible('1.1', '1.1.10'));
+        self::assertTrue($this->gpm->checkNextSignificantReleasesAreCompatible('30.0', '30.10'));
+        self::assertTrue($this->gpm->checkNextSignificantReleasesAreCompatible('1.0', '1.1.10'));
+        self::assertTrue($this->gpm->checkNextSignificantReleasesAreCompatible('1.0', '1.8'));
+        self::assertTrue($this->gpm->checkNextSignificantReleasesAreCompatible('1.0.1', '1.1'));
+        self::assertTrue($this->gpm->checkNextSignificantReleasesAreCompatible('2.0.0-beta', '2.0'));
+        self::assertTrue($this->gpm->checkNextSignificantReleasesAreCompatible('2.0.0-rc.1', '2.0'));
+        self::assertTrue($this->gpm->checkNextSignificantReleasesAreCompatible('2.0', '2.0.0-alpha'));
+
+        self::assertFalse($this->gpm->checkNextSignificantReleasesAreCompatible('1.0', '2.2'));
+        self::assertFalse($this->gpm->checkNextSignificantReleasesAreCompatible('1.0.0-beta.1', '2.0'));
+        self::assertFalse($this->gpm->checkNextSignificantReleasesAreCompatible('0.9.99', '1.0.0'));
+        self::assertFalse($this->gpm->checkNextSignificantReleasesAreCompatible('0.9.99', '1.0.10'));
+        self::assertFalse($this->gpm->checkNextSignificantReleasesAreCompatible('0.9.99', '1.0.10.2'));
+    }
+
+    public function testCalculateVersionNumberFromDependencyVersion(): void
+    {
+        self::assertSame('2.0', $this->gpm->calculateVersionNumberFromDependencyVersion('>=2.0'));
+        self::assertSame('2.0.2', $this->gpm->calculateVersionNumberFromDependencyVersion('>=2.0.2'));
+        self::assertSame('2.0.2', $this->gpm->calculateVersionNumberFromDependencyVersion('~2.0.2'));
+        self::assertSame('1', $this->gpm->calculateVersionNumberFromDependencyVersion('~1'));
+        self::assertNull($this->gpm->calculateVersionNumberFromDependencyVersion(''));
+        self::assertNull($this->gpm->calculateVersionNumberFromDependencyVersion('*'));
+        self::assertSame('2.0.2', $this->gpm->calculateVersionNumberFromDependencyVersion('2.0.2'));
+    }
+}

tests/unit/Grav/Common/Helpers/ExcerptsTest.php

@@ -0,0 +1,120 @@
+<?php
+
+use Codeception\Util\Fixtures;
+use Grav\Common\Helpers\Excerpts;
+use Grav\Common\Grav;
+use Grav\Common\Page\Interfaces\PageInterface;
+use Grav\Common\Uri;
+use Grav\Common\Config\Config;
+use Grav\Common\Page\Pages;
+use Grav\Common\Language\Language;
+use RocketTheme\Toolbox\ResourceLocator\UniformResourceLocator;
+
+/**
+ * Class ExcerptsTest
+ */
+class ExcerptsTest extends \Codeception\TestCase\Test
+{
+    /** @var Parsedown $parsedown */
+    protected $parsedown;
+
+    /** @var Grav $grav */
+    protected $grav;
+
+    /** @var PageInterface $page */
+    protected $page;
+
+    /** @var Pages $pages */
+    protected $pages;
+
+    /** @var Config $config */
+    protected $config;
+
+    /** @var  Uri $uri */
+    protected $uri;
+
+    /** @var  Language $language */
+    protected $language;
+
+    protected $old_home;
+
+    protected function _before(): void
+    {
+        $grav = Fixtures::get('grav');
+        $this->grav = $grav();
+        $this->pages = $this->grav['pages'];
+        $this->config = $this->grav['config'];
+        $this->uri = $this->grav['uri'];
+        $this->language = $this->grav['language'];
+        $this->old_home = $this->config->get('system.home.alias');
+        $this->config->set('system.home.alias', '/item1');
+        $this->config->set('system.absolute_urls', false);
+        $this->config->set('system.languages.supported', []);
+
+        unset($this->grav['language']);
+        $this->grav['language'] = new Language($this->grav);
+
+        /** @var UniformResourceLocator $locator */
+        $locator = $this->grav['locator'];
+        $locator->addPath('page', '', 'tests/fake/nested-site/user/pages', false);
+        $this->pages->init();
+
+        $defaults = [
+            'extra'            => false,
+            'auto_line_breaks' => false,
+            'auto_url_links'   => false,
+            'escape_markup'    => false,
+            'special_chars'    => ['>' => 'gt', '<' => 'lt'],
+        ];
+        $this->page = $this->pages->find('/item2/item2-2');
+        $this->uri->initializeWithURL('http://testing.dev/item2/item2-2')->init();
+    }
+
+    protected function _after(): void
+    {
+        $this->config->set('system.home.alias', $this->old_home);
+    }
+
+
+    public function testProcessImageHtml(): void
+    {
+        self::assertRegexp(
+            '|<img alt="Sample Image" src="\/images\/.*-sample-image.jpe?g\" data-src="sample-image\.jpg\?cropZoom=300,300" \/>|',
+            Excerpts::processImageHtml('<img src="sample-image.jpg?cropZoom=300,300" alt="Sample Image" />', $this->page)
+        );
+        self::assertRegexp(
+            '|<img alt="Sample Image" class="foo" src="\/images\/.*-sample-image.jpe?g\" data-src="sample-image\.jpg\?classes=foo" \/>|',
+            Excerpts::processImageHtml('<img src="sample-image.jpg?classes=foo" alt="Sample Image" />', $this->page)
+        );
+    }
+
+    public function testNoProcess(): void
+    {
+        self::assertStringStartsWith(
+            '<a href="https://play.google.com/store/apps/details?hl=de" id="org.jitsi.meet" target="_blank"',
+            Excerpts::processLinkHtml('<a href="https://play.google.com/store/apps/details?id=org.jitsi.meet&hl=de&target=_blank">regular process</a>')
+        );
+
+        self::assertStringStartsWith(
+            '<a href="https://play.google.com/store/apps/details?id=org.jitsi.meet&hl=de&target=_blank"',
+            Excerpts::processLinkHtml('<a href="https://play.google.com/store/apps/details?id=org.jitsi.meet&hl=de&target=_blank&noprocess">noprocess</a>')
+        );
+
+        self::assertStringStartsWith(
+            '<a href="https://play.google.com/store/apps/details?id=org.jitsi.meet&hl=de" target="_blank"',
+            Excerpts::processLinkHtml('<a href="https://play.google.com/store/apps/details?id=org.jitsi.meet&hl=de&target=_blank&noprocess=id">noprocess=id</a>')
+        );
+    }
+
+    public function testTarget(): void
+    {
+        self::assertStringStartsWith(
+            '<a href="https://play.google.com/store/apps/details" target="_blank"',
+            Excerpts::processLinkHtml('<a href="https://play.google.com/store/apps/details?target=_blank">only target</a>')
+        );
+        self::assertStringStartsWith(
+            '<a href="https://meet.weikamp.biz/Support" rel="nofollow" target="_blank"',
+            Excerpts::processLinkHtml('<a href="https://meet.weikamp.biz/Support?rel=nofollow&target=_blank">target and rel</a>')
+        );
+    }
+}

tests/unit/Grav/Common/InflectorTest.php

@@ -0,0 +1,145 @@
+<?php
+
+use Codeception\Util\Fixtures;
+use Grav\Common\Grav;
+use Grav\Common\Inflector;
+use Grav\Common\Utils;
+
+/**
+ * Class InflectorTest
+ */
+class InflectorTest extends \Codeception\TestCase\Test
+{
+    /** @var Grav $grav */
+    protected $grav;
+
+    /** @var Inflector $uri */
+    protected $inflector;
+
+    protected function _before(): void
+    {
+        $grav = Fixtures::get('grav');
+        $this->grav = $grav();
+        $this->inflector = $this->grav['inflector'];
+    }
+
+    protected function _after(): void
+    {
+    }
+
+    public function testPluralize(): void
+    {
+        self::assertSame('words', $this->inflector->pluralize('word'));
+        self::assertSame('kisses', $this->inflector->pluralize('kiss'));
+        self::assertSame('volcanoes', $this->inflector->pluralize('volcanoe'));
+        self::assertSame('cherries', $this->inflector->pluralize('cherry'));
+        self::assertSame('days', $this->inflector->pluralize('day'));
+        self::assertSame('knives', $this->inflector->pluralize('knife'));
+    }
+
+    public function testSingularize(): void
+    {
+        self::assertSame('word', $this->inflector->singularize('words'));
+        self::assertSame('kiss', $this->inflector->singularize('kisses'));
+        self::assertSame('volcanoe', $this->inflector->singularize('volcanoe'));
+        self::assertSame('cherry', $this->inflector->singularize('cherries'));
+        self::assertSame('day', $this->inflector->singularize('days'));
+        self::assertSame('knife', $this->inflector->singularize('knives'));
+    }
+
+    public function testTitleize(): void
+    {
+        self::assertSame('This String Is Titleized', $this->inflector->titleize('ThisStringIsTitleized'));
+        self::assertSame('This String Is Titleized', $this->inflector->titleize('this string is titleized'));
+        self::assertSame('This String Is Titleized', $this->inflector->titleize('this_string_is_titleized'));
+        self::assertSame('This String Is Titleized', $this->inflector->titleize('this-string-is-titleized'));
+
+        self::assertSame('This string is titleized', $this->inflector->titleize('ThisStringIsTitleized', 'first'));
+        self::assertSame('This string is titleized', $this->inflector->titleize('this string is titleized', 'first'));
+        self::assertSame('This string is titleized', $this->inflector->titleize('this_string_is_titleized', 'first'));
+        self::assertSame('This string is titleized', $this->inflector->titleize('this-string-is-titleized', 'first'));
+    }
+
+    public function testCamelize(): void
+    {
+        self::assertSame('ThisStringIsCamelized', $this->inflector->camelize('This String Is Camelized'));
+        self::assertSame('ThisStringIsCamelized', $this->inflector->camelize('thisStringIsCamelized'));
+        self::assertSame('ThisStringIsCamelized', $this->inflector->camelize('This_String_Is_Camelized'));
+        self::assertSame('ThisStringIsCamelized', $this->inflector->camelize('this string is camelized'));
+        self::assertSame('GravSPrettyCoolMy1', $this->inflector->camelize("Grav's Pretty Cool. My #1!"));
+    }
+
+    public function testUnderscorize(): void
+    {
+        self::assertSame('this_string_is_underscorized', $this->inflector->underscorize('This String Is Underscorized'));
+        self::assertSame('this_string_is_underscorized', $this->inflector->underscorize('ThisStringIsUnderscorized'));
+        self::assertSame('this_string_is_underscorized', $this->inflector->underscorize('This_String_Is_Underscorized'));
+        self::assertSame('this_string_is_underscorized', $this->inflector->underscorize('This-String-Is-Underscorized'));
+    }
+
+    public function testHyphenize(): void
+    {
+        self::assertSame('this-string-is-hyphenized', $this->inflector->hyphenize('This String Is Hyphenized'));
+        self::assertSame('this-string-is-hyphenized', $this->inflector->hyphenize('ThisStringIsHyphenized'));
+        self::assertSame('this-string-is-hyphenized', $this->inflector->hyphenize('This-String-Is-Hyphenized'));
+        self::assertSame('this-string-is-hyphenized', $this->inflector->hyphenize('This_String_Is_Hyphenized'));
+    }
+
+    public function testHumanize(): void
+    {
+        //self::assertSame('This string is humanized',   $this->inflector->humanize('ThisStringIsHumanized'));
+        self::assertSame('This string is humanized', $this->inflector->humanize('this_string_is_humanized'));
+        //self::assertSame('This string is humanized',   $this->inflector->humanize('this-string-is-humanized'));
+
+        self::assertSame('This String Is Humanized', $this->inflector->humanize('this_string_is_humanized', 'all'));
+        //self::assertSame('This String Is Humanized',   $this->inflector->humanize('this-string-is-humanized'), 'all');
+    }
+
+    public function testVariablize(): void
+    {
+        self::assertSame('thisStringIsVariablized', $this->inflector->variablize('This String Is Variablized'));
+        self::assertSame('thisStringIsVariablized', $this->inflector->variablize('ThisStringIsVariablized'));
+        self::assertSame('thisStringIsVariablized', $this->inflector->variablize('This_String_Is_Variablized'));
+        self::assertSame('thisStringIsVariablized', $this->inflector->variablize('this string is variablized'));
+        self::assertSame('gravSPrettyCoolMy1', $this->inflector->variablize("Grav's Pretty Cool. My #1!"));
+    }
+
+    public function testTableize(): void
+    {
+        self::assertSame('people', $this->inflector->tableize('Person'));
+        self::assertSame('pages', $this->inflector->tableize('Page'));
+        self::assertSame('blog_pages', $this->inflector->tableize('BlogPage'));
+        self::assertSame('admin_dependencies', $this->inflector->tableize('adminDependency'));
+        self::assertSame('admin_dependencies', $this->inflector->tableize('admin-dependency'));
+        self::assertSame('admin_dependencies', $this->inflector->tableize('admin_dependency'));
+    }
+
+    public function testClassify(): void
+    {
+        self::assertSame('Person', $this->inflector->classify('people'));
+        self::assertSame('Page', $this->inflector->classify('pages'));
+        self::assertSame('BlogPage', $this->inflector->classify('blog_pages'));
+        self::assertSame('AdminDependency', $this->inflector->classify('admin_dependencies'));
+    }
+
+    public function testOrdinalize(): void
+    {
+        self::assertSame('1st', $this->inflector->ordinalize(1));
+        self::assertSame('2nd', $this->inflector->ordinalize(2));
+        self::assertSame('3rd', $this->inflector->ordinalize(3));
+        self::assertSame('4th', $this->inflector->ordinalize(4));
+        self::assertSame('5th', $this->inflector->ordinalize(5));
+        self::assertSame('16th', $this->inflector->ordinalize(16));
+        self::assertSame('51st', $this->inflector->ordinalize(51));
+        self::assertSame('111th', $this->inflector->ordinalize(111));
+        self::assertSame('123rd', $this->inflector->ordinalize(123));
+    }
+
+    public function testMonthize(): void
+    {
+        self::assertSame(0, $this->inflector->monthize(10));
+        self::assertSame(1, $this->inflector->monthize(33));
+        self::assertSame(1, $this->inflector->monthize(41));
+        self::assertSame(11, $this->inflector->monthize(364));
+    }
+}

tests/unit/Grav/Common/Language/LanguageCodesTest.php

@@ -0,0 +1,27 @@
+<?php
+
+use Grav\Common\Language\LanguageCodes;
+
+/**
+ * Class ParsedownTest
+ */
+class LanguageCodesTest extends \Codeception\TestCase\Test
+{
+    public function testRtl(): void
+    {
+        self::assertSame(
+            'ltr',
+            LanguageCodes::getOrientation('en')
+        );
+        self::assertSame(
+            'rtl',
+            LanguageCodes::getOrientation('ar')
+        );
+        self::assertSame(
+            'rtl',
+            LanguageCodes::getOrientation('he')
+        );
+        self::assertTrue(LanguageCodes::isRtl('ar'));
+        self::assertFalse(LanguageCodes::isRtl('fr'));
+    }
+}

tests/unit/Grav/Common/Page/PagesTest.php

@@ -0,0 +1,299 @@
+<?php
+
+use Codeception\Util\Fixtures;
+use Grav\Common\Grav;
+use Grav\Common\Page\Pages;
+use Grav\Common\Page\Page;
+use Grav\Common\Page\Interfaces\PageInterface;
+use RocketTheme\Toolbox\ResourceLocator\UniformResourceLocator;
+
+/**
+ * Class PagesTest
+ */
+class PagesTest extends \Codeception\TestCase\Test
+{
+    /** @var Grav $grav */
+    protected $grav;
+
+    /** @var Pages $pages */
+    protected $pages;
+
+    /** @var PageInterface $root_page */
+    protected $root_page;
+
+    protected function _before(): void
+    {
+        $grav = Fixtures::get('grav');
+        $this->grav = $grav();
+        $this->pages = $this->grav['pages'];
+        $this->grav['config']->set('system.home.alias', '/home');
+
+        /** @var UniformResourceLocator $locator */
+        $locator = $this->grav['locator'];
+
+        $locator->addPath('page', '', 'tests/fake/simple-site/user/pages', false);
+        $this->pages->init();
+    }
+
+    public function testBase(): void
+    {
+        self::assertSame('', $this->pages->base());
+        $this->pages->base('/test');
+        self::assertSame('/test', $this->pages->base());
+        $this->pages->base('');
+        self::assertSame($this->pages->base(), '');
+    }
+
+    public function testLastModified(): void
+    {
+        self::assertNull($this->pages->lastModified());
+        $this->pages->lastModified('test');
+        self::assertSame('test', $this->pages->lastModified());
+    }
+
+    public function testInstances(): void
+    {
+        self::assertIsArray($this->pages->instances());
+        foreach ($this->pages->instances() as $instance) {
+            self::assertInstanceOf(PageInterface::class, $instance);
+        }
+    }
+
+    public function testRoutes(): void
+    {
+        /** @var UniformResourceLocator $locator */
+        $locator = $this->grav['locator'];
+        $folder = $locator->findResource('tests://');
+
+        self::assertIsArray($this->pages->routes());
+        self::assertSame($folder . '/fake/simple-site/user/pages/01.home', $this->pages->routes()['/']);
+        self::assertSame($folder . '/fake/simple-site/user/pages/01.home', $this->pages->routes()['/home']);
+        self::assertSame($folder . '/fake/simple-site/user/pages/02.blog', $this->pages->routes()['/blog']);
+        self::assertSame($folder . '/fake/simple-site/user/pages/02.blog/post-one', $this->pages->routes()['/blog/post-one']);
+        self::assertSame($folder . '/fake/simple-site/user/pages/02.blog/post-two', $this->pages->routes()['/blog/post-two']);
+        self::assertSame($folder . '/fake/simple-site/user/pages/03.about', $this->pages->routes()['/about']);
+    }
+
+    public function testAddPage(): void
+    {
+        /** @var UniformResourceLocator $locator */
+        $locator = $this->grav['locator'];
+        $folder = $locator->findResource('tests://');
+
+        $path = $folder . '/fake/single-pages/01.simple-page/default.md';
+        $aPage = new Page();
+        $aPage->init(new \SplFileInfo($path));
+
+        $this->pages->addPage($aPage, '/new-page');
+
+        self::assertContains('/new-page', array_keys($this->pages->routes()));
+        self::assertSame($folder . '/fake/single-pages/01.simple-page', $this->pages->routes()['/new-page']);
+    }
+
+    public function testSort(): void
+    {
+        /** @var UniformResourceLocator $locator */
+        $locator = $this->grav['locator'];
+        $folder = $locator->findResource('tests://');
+
+        $aPage = $this->pages->find('/blog');
+        $subPagesSorted = $this->pages->sort($aPage);
+
+        self::assertIsArray($subPagesSorted);
+        self::assertCount(2, $subPagesSorted);
+
+        self::assertSame($folder . '/fake/simple-site/user/pages/02.blog/post-one', array_keys($subPagesSorted)[0]);
+        self::assertSame($folder . '/fake/simple-site/user/pages/02.blog/post-two', array_keys($subPagesSorted)[1]);
+
+        self::assertContains($folder . '/fake/simple-site/user/pages/02.blog/post-one', array_keys($subPagesSorted));
+        self::assertContains($folder . '/fake/simple-site/user/pages/02.blog/post-two', array_keys($subPagesSorted));
+
+        self::assertSame(['slug' => 'post-one'], $subPagesSorted[$folder . '/fake/simple-site/user/pages/02.blog/post-one']);
+        self::assertSame(['slug' => 'post-two'], $subPagesSorted[$folder . '/fake/simple-site/user/pages/02.blog/post-two']);
+
+        $subPagesSorted = $this->pages->sort($aPage, null, 'desc');
+
+        self::assertIsArray($subPagesSorted);
+        self::assertCount(2, $subPagesSorted);
+
+        self::assertSame($folder . '/fake/simple-site/user/pages/02.blog/post-two', array_keys($subPagesSorted)[0]);
+        self::assertSame($folder . '/fake/simple-site/user/pages/02.blog/post-one', array_keys($subPagesSorted)[1]);
+
+        self::assertContains($folder . '/fake/simple-site/user/pages/02.blog/post-one', array_keys($subPagesSorted));
+        self::assertContains($folder . '/fake/simple-site/user/pages/02.blog/post-two', array_keys($subPagesSorted));
+
+        self::assertSame(['slug' => 'post-one'], $subPagesSorted[$folder . '/fake/simple-site/user/pages/02.blog/post-one']);
+        self::assertSame(['slug' => 'post-two'], $subPagesSorted[$folder . '/fake/simple-site/user/pages/02.blog/post-two']);
+    }
+
+    public function testSortCollection(): void
+    {
+        /** @var UniformResourceLocator $locator */
+        $locator = $this->grav['locator'];
+        $folder = $locator->findResource('tests://');
+
+        $aPage = $this->pages->find('/blog');
+        $subPagesSorted = $this->pages->sortCollection($aPage->children(), $aPage->orderBy());
+
+        self::assertIsArray($subPagesSorted);
+        self::assertCount(2, $subPagesSorted);
+
+        self::assertSame($folder . '/fake/simple-site/user/pages/02.blog/post-one', array_keys($subPagesSorted)[0]);
+        self::assertSame($folder . '/fake/simple-site/user/pages/02.blog/post-two', array_keys($subPagesSorted)[1]);
+
+        self::assertContains($folder . '/fake/simple-site/user/pages/02.blog/post-one', array_keys($subPagesSorted));
+        self::assertContains($folder . '/fake/simple-site/user/pages/02.blog/post-two', array_keys($subPagesSorted));
+
+        self::assertSame(['slug' => 'post-one'], $subPagesSorted[$folder . '/fake/simple-site/user/pages/02.blog/post-one']);
+        self::assertSame(['slug' => 'post-two'], $subPagesSorted[$folder . '/fake/simple-site/user/pages/02.blog/post-two']);
+
+        $subPagesSorted = $this->pages->sortCollection($aPage->children(), $aPage->orderBy(), 'desc');
+
+        self::assertIsArray($subPagesSorted);
+        self::assertCount(2, $subPagesSorted);
+
+        self::assertSame($folder . '/fake/simple-site/user/pages/02.blog/post-two', array_keys($subPagesSorted)[0]);
+        self::assertSame($folder . '/fake/simple-site/user/pages/02.blog/post-one', array_keys($subPagesSorted)[1]);
+
+        self::assertContains($folder . '/fake/simple-site/user/pages/02.blog/post-one', array_keys($subPagesSorted));
+        self::assertContains($folder . '/fake/simple-site/user/pages/02.blog/post-two', array_keys($subPagesSorted));
+
+        self::assertSame(['slug' => 'post-one'], $subPagesSorted[$folder . '/fake/simple-site/user/pages/02.blog/post-one']);
+        self::assertSame(['slug' => 'post-two'], $subPagesSorted[$folder . '/fake/simple-site/user/pages/02.blog/post-two']);
+    }
+
+    public function testGet(): void
+    {
+        /** @var UniformResourceLocator $locator */
+        $locator = $this->grav['locator'];
+        $folder = $locator->findResource('tests://');
+
+        //Page existing
+        $aPage = $this->pages->get($folder . '/fake/simple-site/user/pages/03.about');
+        self::assertInstanceOf(PageInterface::class, $aPage);
+
+        //Page not existing
+        $anotherPage = $this->pages->get($folder . '/fake/simple-site/user/pages/03.non-existing');
+        self::assertNull($anotherPage);
+    }
+
+    public function testChildren(): void
+    {
+        /** @var UniformResourceLocator $locator */
+        $locator = $this->grav['locator'];
+        $folder = $locator->findResource('tests://');
+
+        //Page existing
+        $children = $this->pages->children($folder . '/fake/simple-site/user/pages/02.blog');
+        self::assertInstanceOf('Grav\Common\Page\Collection', $children);
+
+        //Page not existing
+        $children = $this->pages->children($folder . '/fake/whatever/non-existing');
+        self::assertSame([], $children->toArray());
+    }
+
+    public function testDispatch(): void
+    {
+        $aPage = $this->pages->dispatch('/blog');
+        self::assertInstanceOf(PageInterface::class, $aPage);
+
+        $aPage = $this->pages->dispatch('/about');
+        self::assertInstanceOf(PageInterface::class, $aPage);
+
+        $aPage = $this->pages->dispatch('/blog/post-one');
+        self::assertInstanceOf(PageInterface::class, $aPage);
+
+        //Page not existing
+        $aPage = $this->pages->dispatch('/non-existing');
+        self::assertNull($aPage);
+    }
+
+    public function testRoot(): void
+    {
+        $root = $this->pages->root();
+        self::assertInstanceOf(PageInterface::class, $root);
+        self::assertSame('pages', $root->folder());
+    }
+
+    public function testBlueprints(): void
+    {
+    }
+
+    public function testAll()
+    {
+        self::assertIsObject($this->pages->all());
+        self::assertIsArray($this->pages->all()->toArray());
+        foreach ($this->pages->all() as $page) {
+            self::assertInstanceOf(PageInterface::class, $page);
+        }
+    }
+
+    public function testGetList(): void
+    {
+        $list = $this->pages->getList();
+        self::assertIsArray($list);
+        self::assertSame('&mdash;-&rtrif; Home', $list['/']);
+        self::assertSame('&mdash;-&rtrif; Blog', $list['/blog']);
+    }
+
+    public function testTranslatedLanguages(): void
+    {
+        /** @var UniformResourceLocator $locator */
+        $locator = $this->grav['locator'];
+        $folder = $locator->findResource('tests://');
+
+        $page = $this->pages->get($folder . '/fake/simple-site/user/pages/04.page-translated');
+        $this->assertInstanceOf(PageInterface::class, $page);
+        $translatedLanguages = $page->translatedLanguages();
+        $this->assertIsArray($translatedLanguages);
+        $this->assertSame(["en" => "/page-translated", "fr" => "/page-translated"], $translatedLanguages);
+    }
+
+    public function testLongPathTranslatedLanguages(): void
+    {
+        /** @var UniformResourceLocator $locator */
+        $locator = $this->grav['locator'];
+        $folder = $locator->findResource('tests://');
+        $page = $this->pages->get($folder . '/fake/simple-site/user/pages/05.translatedlong/part2');
+        $this->assertInstanceOf(PageInterface::class, $page);
+        $translatedLanguages = $page->translatedLanguages();
+        $this->assertIsArray($translatedLanguages);
+        $this->assertSame(["en" => "/translatedlong/part2", "fr" => "/translatedlong/part2"], $translatedLanguages);
+    }
+
+    public function testGetTypes(): void
+    {
+    }
+
+    public function testTypes(): void
+    {
+    }
+
+    public function testModularTypes(): void
+    {
+    }
+
+    public function testPageTypes(): void
+    {
+    }
+
+    public function testAccessLevels(): void
+    {
+    }
+
+    public function testParents(): void
+    {
+    }
+
+    public function testParentsRawRoutes(): void
+    {
+    }
+
+    public function testGetHomeRoute(): void
+    {
+    }
+
+    public function testResetPages(): void
+    {
+    }
+}

tests/unit/Grav/Common/Twig/Extensions/GravExtensionTest.php

@@ -0,0 +1,202 @@
+<?php
+
+use Codeception\Util\Fixtures;
+use Grav\Common\Grav;
+use Grav\Common\Twig\Extension\GravExtension;
+
+/**
+ * Class GravExtensionTest
+ */
+class GravExtensionTest extends \Codeception\TestCase\Test
+{
+    /** @var Grav $grav */
+    protected $grav;
+
+    /** @var  GravExtension $twig_ext */
+    protected $twig_ext;
+
+    protected function _before(): void
+    {
+        $this->grav = Fixtures::get('grav');
+        $this->twig_ext = new GravExtension();
+    }
+
+    public function testInflectorFilter(): void
+    {
+        self::assertSame('people', $this->twig_ext->inflectorFilter('plural', 'person'));
+        self::assertSame('shoe', $this->twig_ext->inflectorFilter('singular', 'shoes'));
+        self::assertSame('Welcome Page', $this->twig_ext->inflectorFilter('title', 'welcome page'));
+        self::assertSame('SendEmail', $this->twig_ext->inflectorFilter('camel', 'send_email'));
+        self::assertSame('camel_cased', $this->twig_ext->inflectorFilter('underscor', 'CamelCased'));
+        self::assertSame('something-text', $this->twig_ext->inflectorFilter('hyphen', 'Something Text'));
+        self::assertSame('Something text to read', $this->twig_ext->inflectorFilter('human', 'something_text_to_read'));
+        self::assertSame(5, $this->twig_ext->inflectorFilter('month', '175'));
+        self::assertSame('10th', $this->twig_ext->inflectorFilter('ordinal', '10'));
+    }
+
+    public function testMd5Filter(): void
+    {
+        self::assertSame(md5('grav'), $this->twig_ext->md5Filter('grav'));
+        self::assertSame(md5('devs@getgrav.org'), $this->twig_ext->md5Filter('devs@getgrav.org'));
+    }
+
+    public function testKsortFilter(): void
+    {
+        $object = array("name"=>"Bob","age"=>8,"colour"=>"red");
+        self::assertSame(array("age"=>8,"colour"=>"red","name"=>"Bob"), $this->twig_ext->ksortFilter($object));
+    }
+
+    public function testContainsFilter(): void
+    {
+        self::assertTrue($this->twig_ext->containsFilter('grav', 'grav'));
+        self::assertTrue($this->twig_ext->containsFilter('So, I found this new cms, called grav, and it\'s pretty awesome guys', 'grav'));
+    }
+
+    public function testNicetimeFilter(): void
+    {
+        $now = time();
+        $threeMinutes = time() - (60*3);
+        $threeHours   = time() - (60*60*3);
+        $threeDays    = time() - (60*60*24*3);
+        $threeMonths  = time() - (60*60*24*30*3);
+        $threeYears   = time() - (60*60*24*365*3);
+        $measures = ['minutes','hours','days','months','years'];
+
+        self::assertSame('No date provided', $this->twig_ext->nicetimeFunc(null));
+
+        for ($i=0; $i<count($measures); $i++) {
+            $time = 'three' . ucfirst($measures[$i]);
+            self::assertSame('3 ' . $measures[$i] . ' ago', $this->twig_ext->nicetimeFunc($$time));
+        }
+    }
+
+    public function testRandomizeFilter(): void
+    {
+        $array = [1,2,3,4,5];
+        self::assertContains(2, $this->twig_ext->randomizeFilter($array));
+        self::assertSame($array, $this->twig_ext->randomizeFilter($array, 5));
+        self::assertSame($array[0], $this->twig_ext->randomizeFilter($array, 1)[0]);
+        self::assertSame($array[3], $this->twig_ext->randomizeFilter($array, 4)[3]);
+        self::assertSame($array[1], $this->twig_ext->randomizeFilter($array, 4)[1]);
+    }
+
+    public function testModulusFilter(): void
+    {
+        self::assertSame(3, $this->twig_ext->modulusFilter(3, 4));
+        self::assertSame(1, $this->twig_ext->modulusFilter(11, 2));
+        self::assertSame(0, $this->twig_ext->modulusFilter(10, 2));
+        self::assertSame(2, $this->twig_ext->modulusFilter(10, 4));
+    }
+
+    public function testAbsoluteUrlFilter(): void
+    {
+    }
+
+    public function testMarkdownFilter(): void
+    {
+    }
+
+    public function testStartsWithFilter(): void
+    {
+    }
+
+    public function testEndsWithFilter(): void
+    {
+    }
+
+    public function testDefinedDefaultFilter(): void
+    {
+    }
+
+    public function testRtrimFilter(): void
+    {
+    }
+
+    public function testLtrimFilter(): void
+    {
+    }
+
+    public function testRepeatFunc(): void
+    {
+    }
+
+    public function testRegexReplace(): void
+    {
+    }
+
+    public function testUrlFunc(): void
+    {
+    }
+
+    public function testEvaluateFunc(): void
+    {
+    }
+
+    public function testDump(): void
+    {
+    }
+
+    public function testGistFunc(): void
+    {
+    }
+
+    public function testRandomStringFunc(): void
+    {
+    }
+
+    public function testPadFilter(): void
+    {
+    }
+
+    public function testArrayFunc(): void
+    {
+        self::assertSame(
+            'this is my text',
+            $this->twig_ext->regexReplace('<p>this is my text</p>', '(<\/?p>)', '')
+        );
+        self::assertSame(
+            '<i>this is my text</i>',
+            $this->twig_ext->regexReplace('<p>this is my text</p>', ['(<p>)','(<\/p>)'], ['<i>','</i>'])
+        );
+    }
+
+    public function testArrayKeyValue(): void
+    {
+        self::assertSame(
+            ['meat' => 'steak'],
+            $this->twig_ext->arrayKeyValueFunc('meat', 'steak')
+        );
+        self::assertSame(
+            ['fruit' => 'apple', 'meat' => 'steak'],
+            $this->twig_ext->arrayKeyValueFunc('meat', 'steak', ['fruit' => 'apple'])
+        );
+    }
+
+    public function stringFunc(): void
+    {
+    }
+
+    public function testRangeFunc(): void
+    {
+        $hundred = [];
+        for ($i = 0; $i <= 100; $i++) {
+            $hundred[] = $i;
+        }
+
+
+        self::assertSame([0], $this->twig_ext->rangeFunc(0, 0));
+        self::assertSame([0, 1, 2], $this->twig_ext->rangeFunc(0, 2));
+
+        self::assertSame([0, 5, 10, 15], $this->twig_ext->rangeFunc(0, 16, 5));
+
+        // default (min 0, max 100, step 1)
+        self::assertSame($hundred, $this->twig_ext->rangeFunc());
+
+        // 95 items, starting from 5, (min 5, max 100, step 1)
+        self::assertSame(array_slice($hundred, 5), $this->twig_ext->rangeFunc(5));
+
+        // reversed range
+        self::assertSame(array_reverse($hundred), $this->twig_ext->rangeFunc(100, 0));
+        self::assertSame([4, 2, 0], $this->twig_ext->rangeFunc(4, 0, 2));
+    }
+}

tests/unit/Grav/Common/UtilsTest.php

@@ -0,0 +1,572 @@
+<?php
+
+use Codeception\Util\Fixtures;
+use Grav\Common\Grav;
+use Grav\Common\Uri;
+use Grav\Common\Utils;
+
+/**
+ * Class UtilsTest
+ */
+class UtilsTest extends \Codeception\TestCase\Test
+{
+    /** @var Grav $grav */
+    protected $grav;
+
+    /** @var Uri $uri */
+    protected $uri;
+
+    protected function _before(): void
+    {
+        $grav = Fixtures::get('grav');
+        $this->grav = $grav();
+        $this->uri = $this->grav['uri'];
+    }
+
+    protected function _after(): void
+    {
+    }
+
+    public function testStartsWith(): void
+    {
+        self::assertTrue(Utils::startsWith('english', 'en'));
+        self::assertTrue(Utils::startsWith('English', 'En'));
+        self::assertTrue(Utils::startsWith('ENGLISH', 'EN'));
+        self::assertTrue(Utils::startsWith(
+            'ENGLISHENGLISHENGLISHENGLISHENGLISHENGLISHENGLISHENGLISHENGLISHENGLISH',
+            'EN'
+        ));
+
+        self::assertFalse(Utils::startsWith('english', 'En'));
+        self::assertFalse(Utils::startsWith('English', 'EN'));
+        self::assertFalse(Utils::startsWith('ENGLISH', 'en'));
+        self::assertFalse(Utils::startsWith(
+            'ENGLISHENGLISHENGLISHENGLISHENGLISHENGLISHENGLISHENGLISHENGLISHENGLISH',
+            'e'
+        ));
+
+        self::assertTrue(Utils::startsWith('english', 'En', false));
+        self::assertTrue(Utils::startsWith('English', 'EN', false));
+        self::assertTrue(Utils::startsWith('ENGLISH', 'en', false));
+        self::assertTrue(Utils::startsWith(
+            'ENGLISHENGLISHENGLISHENGLISHENGLISHENGLISHENGLISHENGLISHENGLISHENGLISH',
+            'e',
+            false
+        ));
+    }
+
+    public function testEndsWith(): void
+    {
+        self::assertTrue(Utils::endsWith('english', 'sh'));
+        self::assertTrue(Utils::endsWith('EngliSh', 'Sh'));
+        self::assertTrue(Utils::endsWith('ENGLISH', 'SH'));
+        self::assertTrue(Utils::endsWith(
+            'ENGLISHENGLISHENGLISHENGLISHENGLISHENGLISHENGLISHENGLISHENGLISHENGLISH',
+            'ENGLISH'
+        ));
+
+        self::assertFalse(Utils::endsWith('english', 'de'));
+        self::assertFalse(Utils::endsWith('EngliSh', 'sh'));
+        self::assertFalse(Utils::endsWith('ENGLISH', 'Sh'));
+        self::assertFalse(Utils::endsWith(
+            'ENGLISHENGLISHENGLISHENGLISHENGLISHENGLISHENGLISHENGLISHENGLISHENGLISH',
+            'DEUSTCH'
+        ));
+
+        self::assertTrue(Utils::endsWith('english', 'SH', false));
+        self::assertTrue(Utils::endsWith('EngliSh', 'sH', false));
+        self::assertTrue(Utils::endsWith('ENGLISH', 'sh', false));
+        self::assertTrue(Utils::endsWith(
+            'ENGLISHENGLISHENGLISHENGLISHENGLISHENGLISHENGLISHENGLISHENGLISHENGLISH',
+            'english',
+            false
+        ));
+    }
+
+    public function testContains(): void
+    {
+        self::assertTrue(Utils::contains('english', 'nglis'));
+        self::assertTrue(Utils::contains('EngliSh', 'gliSh'));
+        self::assertTrue(Utils::contains('ENGLISH', 'ENGLI'));
+        self::assertTrue(Utils::contains(
+            'ENGLISHENGLISHENGLISHENGLISHENGLISHENGLISHENGLISHENGLISHENGLISHENGLISH',
+            'ENGLISH'
+        ));
+
+        self::assertFalse(Utils::contains('EngliSh', 'GLI'));
+        self::assertFalse(Utils::contains('EngliSh', 'English'));
+        self::assertFalse(Utils::contains('ENGLISH', 'SCH'));
+        self::assertFalse(Utils::contains(
+            'ENGLISHENGLISHENGLISHENGLISHENGLISHENGLISHENGLISHENGLISHENGLISHENGLISH',
+            'DEUSTCH'
+        ));
+
+        self::assertTrue(Utils::contains('EngliSh', 'GLI', false));
+        self::assertTrue(Utils::contains('EngliSh', 'ENGLISH', false));
+        self::assertTrue(Utils::contains('ENGLISH', 'ish', false));
+        self::assertTrue(Utils::contains(
+            'ENGLISHENGLISHENGLISHENGLISHENGLISHENGLISHENGLISHENGLISHENGLISHENGLISH',
+            'english',
+            false
+        ));
+    }
+
+    public function testSubstrToString(): void
+    {
+        self::assertEquals('en', Utils::substrToString('english', 'glish'));
+        self::assertEquals('english', Utils::substrToString('english', 'test'));
+        self::assertNotEquals('en', Utils::substrToString('english', 'lish'));
+
+        self::assertEquals('en', Utils::substrToString('english', 'GLISH', false));
+        self::assertEquals('english', Utils::substrToString('english', 'TEST', false));
+        self::assertNotEquals('en', Utils::substrToString('english', 'LISH', false));
+    }
+
+    public function testMergeObjects(): void
+    {
+        $obj1 = new stdClass();
+        $obj1->test1 = 'x';
+        $obj2 = new stdClass();
+        $obj2->test2 = 'y';
+
+        $objMerged = Utils::mergeObjects($obj1, $obj2);
+
+        self::arrayHasKey('test1', (array) $objMerged);
+        self::arrayHasKey('test2', (array) $objMerged);
+    }
+
+    public function testDateFormats(): void
+    {
+        $dateFormats = Utils::dateFormats();
+        self::assertIsArray($dateFormats);
+        self::assertContainsOnly('string', $dateFormats);
+
+        $default_format = $this->grav['config']->get('system.pages.dateformat.default');
+
+        if ($default_format !== null) {
+            self::assertArrayHasKey($default_format, $dateFormats);
+        }
+    }
+
+    public function testTruncate(): void
+    {
+        self::assertEquals('engli' . '&hellip;', Utils::truncate('english', 5));
+        self::assertEquals('english', Utils::truncate('english'));
+        self::assertEquals('This is a string to truncate', Utils::truncate('This is a string to truncate'));
+        self::assertEquals('Th' . '&hellip;', Utils::truncate('This is a string to truncate', 2));
+        self::assertEquals('engli' . '...', Utils::truncate('english', 5, true, " ", "..."));
+        self::assertEquals('english', Utils::truncate('english'));
+        self::assertEquals('This is a string to truncate', Utils::truncate('This is a string to truncate'));
+        self::assertEquals('This' . '&hellip;', Utils::truncate('This is a string to truncate', 3, true));
+        self::assertEquals('<input' . '&hellip;', Utils::truncate('<input type="file" id="file" multiple />', 6, true));
+    }
+
+    public function testSafeTruncate(): void
+    {
+        self::assertEquals('This' . '&hellip;', Utils::safeTruncate('This is a string to truncate', 1));
+        self::assertEquals('This' . '&hellip;', Utils::safeTruncate('This is a string to truncate', 4));
+        self::assertEquals('This is' . '&hellip;', Utils::safeTruncate('This is a string to truncate', 5));
+    }
+
+    public function testTruncateHtml(): void
+    {
+        self::assertEquals('T...', Utils::truncateHtml('This is a string to truncate', 1));
+        self::assertEquals('This is...', Utils::truncateHtml('This is a string to truncate', 7));
+        self::assertEquals('<p>T...</p>', Utils::truncateHtml('<p>This is a string to truncate</p>', 1));
+        self::assertEquals('<p>This...</p>', Utils::truncateHtml('<p>This is a string to truncate</p>', 4));
+        self::assertEquals('<p>This is a...</p>', Utils::truncateHtml('<p>This is a string to truncate</p>', 10));
+        self::assertEquals('<p>This is a string to truncate</p>', Utils::truncateHtml('<p>This is a string to truncate</p>', 100));
+        self::assertEquals('<input type="file" id="file" multiple />', Utils::truncateHtml('<input type="file" id="file" multiple />', 6));
+        self::assertEquals('<ol><li>item 1 <i>so...</i></li></ol>', Utils::truncateHtml('<ol><li>item 1 <i>something</i></li><li>item 2 <strong>bold</strong></li></ol>', 10));
+        self::assertEquals("<p>This is a string.</p>\n<p>It splits two lines.</p>", Utils::truncateHtml("<p>This is a string.</p>\n<p>It splits two lines.</p>", 100));
+    }
+
+    public function testSafeTruncateHtml(): void
+    {
+        self::assertEquals('This...', Utils::safeTruncateHtml('This is a string to truncate', 1));
+        self::assertEquals('This is a...', Utils::safeTruncateHtml('This is a string to truncate', 3));
+        self::assertEquals('<p>This...</p>', Utils::safeTruncateHtml('<p>This is a string to truncate</p>', 1));
+        self::assertEquals('<p>This is...</p>', Utils::safeTruncateHtml('<p>This is a string to truncate</p>', 2));
+        self::assertEquals('<p>This is a string to...</p>', Utils::safeTruncateHtml('<p>This is a string to truncate</p>', 5));
+        self::assertEquals('<p>This is a string to truncate</p>', Utils::safeTruncateHtml('<p>This is a string to truncate</p>', 20));
+        self::assertEquals('<input type="file" id="file" multiple />', Utils::safeTruncateHtml('<input type="file" id="file" multiple />', 6));
+        self::assertEquals('<ol><li>item 1 <i>something</i></li><li>item 2...</li></ol>', Utils::safeTruncateHtml('<ol><li>item 1 <i>something</i></li><li>item 2 <strong>bold</strong></li></ol>', 5));
+    }
+
+    public function testGenerateRandomString(): void
+    {
+        self::assertNotEquals(Utils::generateRandomString(), Utils::generateRandomString());
+        self::assertNotEquals(Utils::generateRandomString(20), Utils::generateRandomString(20));
+    }
+
+    public function download(): void
+    {
+    }
+
+    public function testGetMimeByExtension(): void
+    {
+        self::assertEquals('application/octet-stream', Utils::getMimeByExtension(''));
+        self::assertEquals('text/html', Utils::getMimeByExtension('html'));
+        self::assertEquals('application/json', Utils::getMimeByExtension('json'));
+        self::assertEquals('application/atom+xml', Utils::getMimeByExtension('atom'));
+        self::assertEquals('application/rss+xml', Utils::getMimeByExtension('rss'));
+        self::assertEquals('image/jpeg', Utils::getMimeByExtension('jpg'));
+        self::assertEquals('image/png', Utils::getMimeByExtension('png'));
+        self::assertEquals('text/plain', Utils::getMimeByExtension('txt'));
+        self::assertEquals('application/msword', Utils::getMimeByExtension('doc'));
+        self::assertEquals('application/octet-stream', Utils::getMimeByExtension('foo'));
+        self::assertEquals('foo/bar', Utils::getMimeByExtension('foo', 'foo/bar'));
+        self::assertEquals('text/html', Utils::getMimeByExtension('foo', 'text/html'));
+    }
+
+    public function testGetExtensionByMime(): void
+    {
+        self::assertEquals('html', Utils::getExtensionByMime('*/*'));
+        self::assertEquals('html', Utils::getExtensionByMime('text/*'));
+        self::assertEquals('html', Utils::getExtensionByMime('text/html'));
+        self::assertEquals('json', Utils::getExtensionByMime('application/json'));
+        self::assertEquals('atom', Utils::getExtensionByMime('application/atom+xml'));
+        self::assertEquals('rss', Utils::getExtensionByMime('application/rss+xml'));
+        self::assertEquals('jpg', Utils::getExtensionByMime('image/jpeg'));
+        self::assertEquals('png', Utils::getExtensionByMime('image/png'));
+        self::assertEquals('txt', Utils::getExtensionByMime('text/plain'));
+        self::assertEquals('doc', Utils::getExtensionByMime('application/msword'));
+        self::assertEquals('html', Utils::getExtensionByMime('foo/bar'));
+        self::assertEquals('baz', Utils::getExtensionByMime('foo/bar', 'baz'));
+    }
+
+    public function testNormalizePath(): void
+    {
+        self::assertEquals('/test', Utils::normalizePath('/test'));
+        self::assertEquals('test', Utils::normalizePath('test'));
+        self::assertEquals('test', Utils::normalizePath('../test'));
+        self::assertEquals('/test', Utils::normalizePath('/../test'));
+        self::assertEquals('/test2', Utils::normalizePath('/test/../test2'));
+        self::assertEquals('/test3', Utils::normalizePath('/test/../test2/../test3'));
+
+        self::assertEquals('//cdnjs.cloudflare.com/ajax/libs/Leaflet.awesome-markers/2.0.2/leaflet.awesome-markers.css', Utils::normalizePath('//cdnjs.cloudflare.com/ajax/libs/Leaflet.awesome-markers/2.0.2/leaflet.awesome-markers.css'));
+        self::assertEquals('//use.fontawesome.com/releases/v5.8.1/css/all.css', Utils::normalizePath('//use.fontawesome.com/releases/v5.8.1/css/all.css'));
+        self::assertEquals('//use.fontawesome.com/releases/v5.8.1/webfonts/fa-brands-400.eot', Utils::normalizePath('//use.fontawesome.com/releases/v5.8.1/css/../webfonts/fa-brands-400.eot'));
+
+        self::assertEquals('http://cdnjs.cloudflare.com/ajax/libs/Leaflet.awesome-markers/2.0.2/leaflet.awesome-markers.css', Utils::normalizePath('http://cdnjs.cloudflare.com/ajax/libs/Leaflet.awesome-markers/2.0.2/leaflet.awesome-markers.css'));
+        self::assertEquals('http://use.fontawesome.com/releases/v5.8.1/css/all.css', Utils::normalizePath('http://use.fontawesome.com/releases/v5.8.1/css/all.css'));
+        self::assertEquals('http://use.fontawesome.com/releases/v5.8.1/webfonts/fa-brands-400.eot', Utils::normalizePath('http://use.fontawesome.com/releases/v5.8.1/css/../webfonts/fa-brands-400.eot'));
+
+        self::assertEquals('https://cdnjs.cloudflare.com/ajax/libs/Leaflet.awesome-markers/2.0.2/leaflet.awesome-markers.css', Utils::normalizePath('https://cdnjs.cloudflare.com/ajax/libs/Leaflet.awesome-markers/2.0.2/leaflet.awesome-markers.css'));
+        self::assertEquals('https://use.fontawesome.com/releases/v5.8.1/css/all.css', Utils::normalizePath('https://use.fontawesome.com/releases/v5.8.1/css/all.css'));
+        self::assertEquals('https://use.fontawesome.com/releases/v5.8.1/webfonts/fa-brands-400.eot', Utils::normalizePath('https://use.fontawesome.com/releases/v5.8.1/css/../webfonts/fa-brands-400.eot'));
+    }
+
+    public function testIsFunctionDisabled(): void
+    {
+        $disabledFunctions = explode(',', ini_get('disable_functions'));
+
+        if ($disabledFunctions[0]) {
+            self::assertEquals(Utils::isFunctionDisabled($disabledFunctions[0]), true);
+        }
+    }
+
+    public function testTimezones(): void
+    {
+        $timezones = Utils::timezones();
+
+        self::assertIsArray($timezones);
+        self::assertContainsOnly('string', $timezones);
+    }
+
+    public function testArrayFilterRecursive(): void
+    {
+        $array = [
+            'test'  => '',
+            'test2' => 'test2'
+        ];
+
+        $array = Utils::arrayFilterRecursive($array, function ($k, $v) {
+            return !(is_null($v) || $v === '');
+        });
+
+        self::assertContainsOnly('string', $array);
+        self::assertArrayNotHasKey('test', $array);
+        self::assertArrayHasKey('test2', $array);
+        self::assertEquals('test2', $array['test2']);
+    }
+
+    public function testPathPrefixedByLangCode(): void
+    {
+        $languagesEnabled = $this->grav['config']->get('system.languages.supported', []);
+        $arrayOfLanguages = ['en', 'de', 'it', 'es', 'dk', 'el'];
+        $languagesNotEnabled = array_diff($arrayOfLanguages, $languagesEnabled);
+        $oneLanguageNotEnabled = reset($languagesNotEnabled);
+
+        if (count($languagesEnabled)) {
+            $languageCodePathPrefix = Utils::pathPrefixedByLangCode('/' . $languagesEnabled[0] . '/test');
+            $this->assertIsString($languageCodePathPrefix);
+            $this->assertTrue(in_array($languageCodePathPrefix, $languagesEnabled));
+        }
+
+        self::assertFalse(Utils::pathPrefixedByLangCode('/' . $oneLanguageNotEnabled . '/test'));
+        self::assertFalse(Utils::pathPrefixedByLangCode('/test'));
+        self::assertFalse(Utils::pathPrefixedByLangCode('/xx'));
+        self::assertFalse(Utils::pathPrefixedByLangCode('/xx/'));
+        self::assertFalse(Utils::pathPrefixedByLangCode('/'));
+    }
+
+    public function testDate2timestamp(): void
+    {
+        $timestamp = strtotime('10 September 2000');
+        self::assertSame($timestamp, Utils::date2timestamp('10 September 2000'));
+        self::assertSame($timestamp, Utils::date2timestamp('2000-09-10 00:00:00'));
+    }
+
+    public function testResolve(): void
+    {
+        $array = [
+            'test' => [
+                'test2' => 'test2Value'
+            ]
+        ];
+
+        self::assertEquals('test2Value', Utils::resolve($array, 'test.test2'));
+    }
+
+    public function testGetDotNotation(): void
+    {
+        $array = [
+            'test' => [
+                'test2' => 'test2Value',
+                'test3' => [
+                    'test4' => 'test4Value'
+                ]
+            ]
+        ];
+
+        self::assertEquals('test2Value', Utils::getDotNotation($array, 'test.test2'));
+        self::assertEquals('test4Value', Utils::getDotNotation($array, 'test.test3.test4'));
+        self::assertEquals('defaultValue', Utils::getDotNotation($array, 'test.non_existent', 'defaultValue'));
+    }
+
+    public function testSetDotNotation(): void
+    {
+        $array = [
+            'test' => [
+                'test2' => 'test2Value',
+                'test3' => [
+                    'test4' => 'test4Value'
+                ]
+            ]
+        ];
+
+        $new = [
+            'test1' => 'test1Value'
+        ];
+
+        Utils::setDotNotation($array, 'test.test3.test4', $new);
+        self::assertEquals('test1Value', $array['test']['test3']['test4']['test1']);
+    }
+
+    public function testIsPositive(): void
+    {
+        self::assertTrue(Utils::isPositive(true));
+        self::assertTrue(Utils::isPositive(1));
+        self::assertTrue(Utils::isPositive('1'));
+        self::assertTrue(Utils::isPositive('yes'));
+        self::assertTrue(Utils::isPositive('on'));
+        self::assertTrue(Utils::isPositive('true'));
+        self::assertFalse(Utils::isPositive(false));
+        self::assertFalse(Utils::isPositive(0));
+        self::assertFalse(Utils::isPositive('0'));
+        self::assertFalse(Utils::isPositive('no'));
+        self::assertFalse(Utils::isPositive('off'));
+        self::assertFalse(Utils::isPositive('false'));
+        self::assertFalse(Utils::isPositive('some'));
+        self::assertFalse(Utils::isPositive(2));
+    }
+
+    public function testGetNonce(): void
+    {
+        self::assertIsString(Utils::getNonce('test-action'));
+        self::assertIsString(Utils::getNonce('test-action', true));
+        self::assertSame(Utils::getNonce('test-action'), Utils::getNonce('test-action'));
+        self::assertNotSame(Utils::getNonce('test-action'), Utils::getNonce('test-action2'));
+    }
+
+    public function testVerifyNonce(): void
+    {
+        self::assertTrue(Utils::verifyNonce(Utils::getNonce('test-action'), 'test-action'));
+    }
+
+    public function testGetPagePathFromToken(): void
+    {
+        self::assertEquals('', Utils::getPagePathFromToken(''));
+        self::assertEquals('/test/path', Utils::getPagePathFromToken('/test/path'));
+    }
+
+    public function testUrl(): void
+    {
+        $this->uri->initializeWithUrl('http://testing.dev/path1/path2')->init();
+
+        // Fail hard
+        self::assertSame(false, Utils::url('', true));
+        self::assertSame(false, Utils::url(''));
+        self::assertSame(false, Utils::url(new stdClass()));
+        self::assertSame(false, Utils::url(['foo','bar','baz']));
+        self::assertSame(false, Utils::url('user://does/not/exist'));
+
+        // Fail Gracefully
+        self::assertSame('/', Utils::url('/', false, true));
+        self::assertSame('/', Utils::url('', false, true));
+        self::assertSame('/', Utils::url(new stdClass(), false, true));
+        self::assertSame('/', Utils::url(['foo','bar','baz'], false, true));
+        self::assertSame('/user/does/not/exist', Utils::url('user://does/not/exist', false, true));
+
+        // Simple paths
+        self::assertSame('/', Utils::url('/'));
+        self::assertSame('/path1', Utils::url('/path1'));
+        self::assertSame('/path1/path2', Utils::url('/path1/path2'));
+        self::assertSame('/random/path1/path2', Utils::url('/random/path1/path2'));
+        self::assertSame('/foobar.jpg', Utils::url('/foobar.jpg'));
+        self::assertSame('/path1/foobar.jpg', Utils::url('/path1/foobar.jpg'));
+        self::assertSame('/path1/path2/foobar.jpg', Utils::url('/path1/path2/foobar.jpg'));
+        self::assertSame('/random/path1/path2/foobar.jpg', Utils::url('/random/path1/path2/foobar.jpg'));
+
+        // Simple paths with domain
+        self::assertSame('http://testing.dev/', Utils::url('/', true));
+        self::assertSame('http://testing.dev/path1', Utils::url('/path1', true));
+        self::assertSame('http://testing.dev/path1/path2', Utils::url('/path1/path2', true));
+        self::assertSame('http://testing.dev/random/path1/path2', Utils::url('/random/path1/path2', true));
+        self::assertSame('http://testing.dev/foobar.jpg', Utils::url('/foobar.jpg', true));
+        self::assertSame('http://testing.dev/path1/foobar.jpg', Utils::url('/path1/foobar.jpg', true));
+        self::assertSame('http://testing.dev/path1/path2/foobar.jpg', Utils::url('/path1/path2/foobar.jpg', true));
+        self::assertSame('http://testing.dev/random/path1/path2/foobar.jpg', Utils::url('/random/path1/path2/foobar.jpg', true));
+
+        // Relative paths from Grav root.
+        self::assertSame('/subdir', Utils::url('subdir'));
+        self::assertSame('/subdir/path1', Utils::url('subdir/path1'));
+        self::assertSame('/subdir/path1/path2', Utils::url('subdir/path1/path2'));
+        self::assertSame('/path1', Utils::url('path1'));
+        self::assertSame('/path1/path2', Utils::url('path1/path2'));
+        self::assertSame('/foobar.jpg', Utils::url('foobar.jpg'));
+        self::assertSame('http://testing.dev/foobar.jpg', Utils::url('foobar.jpg', true));
+
+        // Relative paths from Grav root with domain.
+        self::assertSame('http://testing.dev/foobar.jpg', Utils::url('foobar.jpg', true));
+        self::assertSame('http://testing.dev/foobar.jpg', Utils::url('/foobar.jpg', true));
+        self::assertSame('http://testing.dev/path1/foobar.jpg', Utils::url('/path1/foobar.jpg', true));
+
+        // All Non-existing streams should be treated as external URI / protocol.
+        self::assertSame('http://domain.com/path', Utils::url('http://domain.com/path'));
+        self::assertSame('ftp://domain.com/path', Utils::url('ftp://domain.com/path'));
+        self::assertSame('sftp://domain.com/path', Utils::url('sftp://domain.com/path'));
+        self::assertSame('ssh://domain.com', Utils::url('ssh://domain.com'));
+        self::assertSame('pop://domain.com', Utils::url('pop://domain.com'));
+        self::assertSame('foo://bar/baz', Utils::url('foo://bar/baz'));
+        self::assertSame('foo://bar/baz', Utils::url('foo://bar/baz', true));
+        // self::assertSame('mailto:joe@domain.com', Utils::url('mailto:joe@domain.com', true)); // FIXME <-
+    }
+
+    public function testUrlWithRoot(): void
+    {
+        $this->uri->initializeWithUrlAndRootPath('http://testing.dev/subdir/path1/path2', '/subdir')->init();
+
+        // Fail hard
+        self::assertSame(false, Utils::url('', true));
+        self::assertSame(false, Utils::url(''));
+        self::assertSame(false, Utils::url(new stdClass()));
+        self::assertSame(false, Utils::url(['foo','bar','baz']));
+        self::assertSame(false, Utils::url('user://does/not/exist'));
+
+        // Fail Gracefully
+        self::assertSame('/subdir/', Utils::url('/', false, true));
+        self::assertSame('/subdir/', Utils::url('', false, true));
+        self::assertSame('/subdir/', Utils::url(new stdClass(), false, true));
+        self::assertSame('/subdir/', Utils::url(['foo','bar','baz'], false, true));
+        self::assertSame('/subdir/user/does/not/exist', Utils::url('user://does/not/exist', false, true));
+
+        // Simple paths
+        self::assertSame('/subdir/', Utils::url('/'));
+        self::assertSame('/subdir/path1', Utils::url('/path1'));
+        self::assertSame('/subdir/path1/path2', Utils::url('/path1/path2'));
+        self::assertSame('/subdir/random/path1/path2', Utils::url('/random/path1/path2'));
+        self::assertSame('/subdir/foobar.jpg', Utils::url('/foobar.jpg'));
+        self::assertSame('/subdir/path1/foobar.jpg', Utils::url('/path1/foobar.jpg'));
+        self::assertSame('/subdir/path1/path2/foobar.jpg', Utils::url('/path1/path2/foobar.jpg'));
+        self::assertSame('/subdir/random/path1/path2/foobar.jpg', Utils::url('/random/path1/path2/foobar.jpg'));
+
+        // Simple paths with domain
+        self::assertSame('http://testing.dev/subdir/', Utils::url('/', true));
+        self::assertSame('http://testing.dev/subdir/path1', Utils::url('/path1', true));
+        self::assertSame('http://testing.dev/subdir/path1/path2', Utils::url('/path1/path2', true));
+        self::assertSame('http://testing.dev/subdir/random/path1/path2', Utils::url('/random/path1/path2', true));
+        self::assertSame('http://testing.dev/subdir/foobar.jpg', Utils::url('/foobar.jpg', true));
+        self::assertSame('http://testing.dev/subdir/path1/foobar.jpg', Utils::url('/path1/foobar.jpg', true));
+        self::assertSame('http://testing.dev/subdir/path1/path2/foobar.jpg', Utils::url('/path1/path2/foobar.jpg', true));
+        self::assertSame('http://testing.dev/subdir/random/path1/path2/foobar.jpg', Utils::url('/random/path1/path2/foobar.jpg', true));
+
+        // Absolute Paths including the grav base.
+        self::assertSame('/subdir/', Utils::url('/subdir'));
+        self::assertSame('/subdir/', Utils::url('/subdir/'));
+        self::assertSame('/subdir/path1', Utils::url('/subdir/path1'));
+        self::assertSame('/subdir/path1/path2', Utils::url('/subdir/path1/path2'));
+        self::assertSame('/subdir/foobar.jpg', Utils::url('/subdir/foobar.jpg'));
+        self::assertSame('/subdir/path1/foobar.jpg', Utils::url('/subdir/path1/foobar.jpg'));
+
+        // Absolute paths from Grav root with domain.
+        self::assertSame('http://testing.dev/subdir/', Utils::url('/subdir', true));
+        self::assertSame('http://testing.dev/subdir/', Utils::url('/subdir/', true));
+        self::assertSame('http://testing.dev/subdir/path1', Utils::url('/subdir/path1', true));
+        self::assertSame('http://testing.dev/subdir/path1/path2', Utils::url('/subdir/path1/path2', true));
+        self::assertSame('http://testing.dev/subdir/foobar.jpg', Utils::url('/subdir/foobar.jpg', true));
+        self::assertSame('http://testing.dev/subdir/path1/foobar.jpg', Utils::url('/subdir/path1/foobar.jpg', true));
+
+        // Relative paths from Grav root.
+        self::assertSame('/subdir/sub', Utils::url('/sub'));
+        self::assertSame('/subdir/subdir', Utils::url('subdir'));
+        self::assertSame('/subdir/subdir2/sub', Utils::url('/subdir2/sub'));
+        self::assertSame('/subdir/subdir/path1', Utils::url('subdir/path1'));
+        self::assertSame('/subdir/subdir/path1/path2', Utils::url('subdir/path1/path2'));
+        self::assertSame('/subdir/path1', Utils::url('path1'));
+        self::assertSame('/subdir/path1/path2', Utils::url('path1/path2'));
+        self::assertSame('/subdir/foobar.jpg', Utils::url('foobar.jpg'));
+        self::assertSame('http://testing.dev/subdir/foobar.jpg', Utils::url('foobar.jpg', true));
+
+        // All Non-existing streams should be treated as external URI / protocol.
+        self::assertSame('http://domain.com/path', Utils::url('http://domain.com/path'));
+        self::assertSame('ftp://domain.com/path', Utils::url('ftp://domain.com/path'));
+        self::assertSame('sftp://domain.com/path', Utils::url('sftp://domain.com/path'));
+        self::assertSame('ssh://domain.com', Utils::url('ssh://domain.com'));
+        self::assertSame('pop://domain.com', Utils::url('pop://domain.com'));
+        self::assertSame('foo://bar/baz', Utils::url('foo://bar/baz'));
+        self::assertSame('foo://bar/baz', Utils::url('foo://bar/baz', true));
+        // self::assertSame('mailto:joe@domain.com', Utils::url('mailto:joe@domain.com', true)); // FIXME <-
+    }
+
+    public function testUrlWithStreams(): void
+    {
+    }
+
+    public function testUrlwithExternals(): void
+    {
+        $this->uri->initializeWithUrl('http://testing.dev/path1/path2')->init();
+        self::assertSame('http://foo.com', Utils::url('http://foo.com'));
+        self::assertSame('https://foo.com', Utils::url('https://foo.com'));
+        self::assertSame('//foo.com', Utils::url('//foo.com'));
+        self::assertSame('//foo.com?param=x', Utils::url('//foo.com?param=x'));
+    }
+
+    public function testCheckFilename(): void
+    {
+        // configure extension for consistent results
+        /** @var \Grav\Common\Config\Config $config */
+        $config = $this->grav['config'];
+        $config->set('security.uploads_dangerous_extensions', ['php', 'html', 'htm', 'exe', 'js']);
+
+        self::assertFalse(Utils::checkFilename('foo.php'));
+        self::assertFalse(Utils::checkFilename('foo.PHP'));
+        self::assertFalse(Utils::checkFilename('bar.js'));
+
+        self::assertTrue(Utils::checkFilename('foo.json'));
+        self::assertTrue(Utils::checkFilename('foo.xml'));
+        self::assertTrue(Utils::checkFilename('foo.yaml'));
+        self::assertTrue(Utils::checkFilename('foo.yml'));
+    }
+}

tests/unit/Grav/Console/Gpm/InstallCommandTest.php

@@ -0,0 +1,28 @@
+<?php
+
+use Codeception\Util\Fixtures;
+use Grav\Common\Grav;
+use Grav\Console\Gpm\InstallCommand;
+
+/**
+ * Class InstallCommandTest
+ */
+class InstallCommandTest extends \Codeception\TestCase\Test
+{
+    /** @var Grav $grav */
+    protected $grav;
+
+    /** @var InstallCommand */
+    protected $installCommand;
+
+
+    protected function _before(): void
+    {
+        $this->grav = Fixtures::get('grav');
+        $this->installCommand = new InstallCommand();
+    }
+
+    protected function _after(): void
+    {
+    }
+}

tests/unit/Grav/Framework/File/Formatter/CsvFormatterTest.php

@@ -0,0 +1,48 @@
+<?php
+
+use Grav\Framework\File\Formatter\CsvFormatter;
+
+/**
+ * Class CsvFormatterTest
+ */
+class CsvFormatterTest extends \Codeception\TestCase\Test
+{
+    public function testEncodeWithAssocColumns(): void
+    {
+        $data = [
+            ['col1' => 1, 'col2' => 2, 'col3' => 3],
+            ['col1' => 'aaa', 'col2' => 'bbb', 'col3' => 'ccc'],
+        ];
+
+        $encoded = (new CsvFormatter())->encode($data);
+
+        $lines = array_filter(explode(PHP_EOL, $encoded));
+
+        self::assertCount(3, $lines);
+        self::assertEquals('col1,col2,col3', $lines[0]);
+    }
+
+    /**
+     * TBD - If indexes are all numeric, what's the purpose
+     * of displaying header
+     */
+    public function testEncodeWithIndexColumns(): void
+    {
+        $data = [
+            [0 => 1, 1 => 2, 2 => 3],
+        ];
+
+        $encoded = (new CsvFormatter())->encode($data);
+
+        $lines = array_filter(explode(PHP_EOL, $encoded));
+
+        self::assertCount(2, $lines);
+        self::assertEquals('0,1,2', $lines[0]);
+    }
+
+    public function testEncodeEmptyData(): void
+    {
+        $encoded = (new CsvFormatter())->encode([]);
+        self::assertEquals('', $encoded);
+    }
+}

tests/unit/Grav/Framework/Filesystem/FilesystemTest.php

@@ -0,0 +1,338 @@
+<?php
+
+use Grav\Framework\Filesystem\Filesystem;
+
+/**
+ * Class FilesystemTest
+ */
+class FilesystemTest extends \Codeception\TestCase\Test
+{
+    protected $class;
+
+    protected $tests = [
+        '' => [
+            'parent' => '',
+            'normalize' => '',
+            'dirname' => '',
+            'pathinfo' => [
+                'basename' => '',
+                'filename' => '',
+            ]
+        ],
+        '.' => [
+            'parent' => '',
+            'normalize' => '',
+            'dirname' => '.',
+            'pathinfo' => [
+                'dirname' => '.',
+                'basename' => '.',
+                'extension' => '',
+                'filename' => '',
+            ]
+        ],
+        './' => [
+            'parent' => '',
+            'normalize' => '',
+            'dirname' => '.',
+            'pathinfo' => [
+                'dirname' => '.',
+                'basename' => '.',
+                'extension' => '',
+                'filename' => '',
+            ]
+        ],
+        '././.' => [
+            'parent' => '',
+            'normalize' => '',
+            'dirname' => './.',
+            'pathinfo' => [
+                'dirname' => './.',
+                'basename' => '.',
+                'extension' => '',
+                'filename' => '',
+            ]
+        ],
+        '.file' => [
+            'parent' => '.',
+            'normalize' => '.file',
+            'dirname' => '.',
+            'pathinfo' => [
+                'dirname' => '.',
+                'basename' => '.file',
+                'extension' => 'file',
+                'filename' => '',
+            ]
+        ],
+        '/' => [
+            'parent' => '',
+            'normalize' => '/',
+            'dirname' => '/',
+            'pathinfo' => [
+                'dirname' => '/',
+                'basename' => '',
+                'filename' => '',
+            ]
+        ],
+        '/absolute' => [
+            'parent' => '/',
+            'normalize' => '/absolute',
+            'dirname' => '/',
+            'pathinfo' => [
+                'dirname' => '/',
+                'basename' => 'absolute',
+                'filename' => 'absolute',
+            ]
+        ],
+        '/absolute/' => [
+            'parent' => '/',
+            'normalize' => '/absolute',
+            'dirname' => '/',
+            'pathinfo' => [
+                'dirname' => '/',
+                'basename' => 'absolute',
+                'filename' => 'absolute',
+            ]
+        ],
+        '/very/long/absolute/path' => [
+            'parent' => '/very/long/absolute',
+            'normalize' => '/very/long/absolute/path',
+            'dirname' => '/very/long/absolute',
+            'pathinfo' => [
+                'dirname' => '/very/long/absolute',
+                'basename' => 'path',
+                'filename' => 'path',
+            ]
+        ],
+        '/very/long/absolute/../path' => [
+            'parent' => '/very/long',
+            'normalize' => '/very/long/path',
+            'dirname' => '/very/long/absolute/..',
+            'pathinfo' => [
+                'dirname' => '/very/long/absolute/..',
+                'basename' => 'path',
+                'filename' => 'path',
+            ]
+        ],
+        'relative' => [
+            'parent' => '.',
+            'normalize' => 'relative',
+            'dirname' => '.',
+            'pathinfo' => [
+                'dirname' => '.',
+                'basename' => 'relative',
+                'filename' => 'relative',
+            ]
+        ],
+        'very/long/relative/path' => [
+            'parent' => 'very/long/relative',
+            'normalize' => 'very/long/relative/path',
+            'dirname' => 'very/long/relative',
+            'pathinfo' => [
+                'dirname' => 'very/long/relative',
+                'basename' => 'path',
+                'filename' => 'path',
+            ]
+        ],
+        'path/to/file.jpg' => [
+            'parent' => 'path/to',
+            'normalize' => 'path/to/file.jpg',
+            'dirname' => 'path/to',
+            'pathinfo' => [
+                'dirname' => 'path/to',
+                'basename' => 'file.jpg',
+                'extension' => 'jpg',
+                'filename' => 'file',
+            ]
+        ],
+        'user://' => [
+            'parent' => '',
+            'normalize' => 'user://',
+            'dirname' => 'user://',
+            'pathinfo' => [
+                'dirname' => 'user://',
+                'basename' => '',
+                'filename' => '',
+                'scheme' => 'user',
+            ]
+        ],
+        'user://.' => [
+            'parent' => '',
+            'normalize' => 'user://',
+            'dirname' => 'user://',
+            'pathinfo' => [
+                'dirname' => 'user://',
+                'basename' => '',
+                'filename' => '',
+                'scheme' => 'user',
+            ]
+        ],
+        'user://././.' => [
+            'parent' => '',
+            'normalize' => 'user://',
+            'dirname' => 'user://',
+            'pathinfo' => [
+                'dirname' => 'user://',
+                'basename' => '',
+                'filename' => '',
+                'scheme' => 'user',
+            ]
+        ],
+        'user://./././file' => [
+            'parent' => 'user://',
+            'normalize' => 'user://file',
+            'dirname' => 'user://',
+            'pathinfo' => [
+                'dirname' => 'user://',
+                'basename' => 'file',
+                'filename' => 'file',
+                'scheme' => 'user',
+            ]
+        ],
+        'user://./././folder/file' => [
+            'parent' => 'user://folder',
+            'normalize' => 'user://folder/file',
+            'dirname' => 'user://folder',
+            'pathinfo' => [
+                'dirname' => 'user://folder',
+                'basename' => 'file',
+                'filename' => 'file',
+                'scheme' => 'user',
+            ]
+        ],
+        'user://.file' => [
+            'parent' => 'user://',
+            'normalize' => 'user://.file',
+            'dirname' => 'user://',
+            'pathinfo' => [
+                'dirname' => 'user://',
+                'basename' => '.file',
+                'extension' => 'file',
+                'filename' => '',
+                'scheme' => 'user',
+            ]
+        ],
+        'user:///' => [
+            'parent' => '',
+            'normalize' => 'user:///',
+            'dirname' => 'user:///',
+            'pathinfo' => [
+                'dirname' => 'user:///',
+                'basename' => '',
+                'filename' => '',
+                'scheme' => 'user',
+            ]
+        ],
+        'user:///absolute' => [
+            'parent' => 'user:///',
+            'normalize' => 'user:///absolute',
+            'dirname' => 'user:///',
+            'pathinfo' => [
+                'dirname' => 'user:///',
+                'basename' => 'absolute',
+                'filename' => 'absolute',
+                'scheme' => 'user',
+            ]
+        ],
+        'user:///very/long/absolute/path' => [
+            'parent' => 'user:///very/long/absolute',
+            'normalize' => 'user:///very/long/absolute/path',
+            'dirname' => 'user:///very/long/absolute',
+            'pathinfo' => [
+                'dirname' => 'user:///very/long/absolute',
+                'basename' => 'path',
+                'filename' => 'path',
+                'scheme' => 'user',
+            ]
+        ],
+        'user://relative' => [
+            'parent' => 'user://',
+            'normalize' => 'user://relative',
+            'dirname' => 'user://',
+            'pathinfo' => [
+                'dirname' => 'user://',
+                'basename' => 'relative',
+                'filename' => 'relative',
+                'scheme' => 'user',
+            ]
+        ],
+        'user://very/long/relative/path' => [
+            'parent' => 'user://very/long/relative',
+            'normalize' => 'user://very/long/relative/path',
+            'dirname' => 'user://very/long/relative',
+            'pathinfo' => [
+                'dirname' => 'user://very/long/relative',
+                'basename' => 'path',
+                'filename' => 'path',
+                'scheme' => 'user',
+            ]
+        ],
+        'user://path/to/file.jpg' => [
+            'parent' => 'user://path/to',
+            'normalize' => 'user://path/to/file.jpg',
+            'dirname' => 'user://path/to',
+            'pathinfo' => [
+                'dirname' => 'user://path/to',
+                'basename' => 'file.jpg',
+                'extension' => 'jpg',
+                'filename' => 'file',
+                'scheme' => 'user',
+            ]
+        ],
+    ];
+
+    protected function _before(): void
+    {
+        $this->class = Filesystem::getInstance();
+    }
+
+    protected function _after(): void
+    {
+        unset($this->class);
+    }
+
+    /**
+     * @param array $tests
+     * @param string $method
+     */
+    protected function runTestSet(array $tests, $method): void
+    {
+        $class = $this->class;
+        foreach ($tests as $path => $candidates) {
+            if (!array_key_exists($method, $candidates)) {
+                continue;
+            }
+
+            $expected = $candidates[$method];
+
+            $result = $class->{$method}($path);
+
+            self::assertSame($expected, $result, "Test {$method}('{$path}')");
+
+            if (function_exists($method) && !strpos($path, '://')) {
+                $cmp_result = $method($path);
+
+                self::assertSame($cmp_result, $result, "Compare to original {$method}('{$path}')");
+            }
+        }
+    }
+
+    public function testParent(): void
+    {
+        $this->runTestSet($this->tests, 'parent');
+    }
+
+    public function testNormalize(): void
+    {
+        $this->runTestSet($this->tests, 'normalize');
+    }
+
+    public function testDirname(): void
+    {
+        $this->runTestSet($this->tests, 'dirname');
+    }
+
+    public function testPathinfo(): void
+    {
+        $this->runTestSet($this->tests, 'pathinfo');
+    }
+}

tests/unit/_bootstrap.php

@@ -0,0 +1,3 @@
+<?php
+// Here you can initialize variables that will be available to your tests
+define('GRAV_CLI', true);

tests/unit/data/blueprints/strict.yaml

@@ -0,0 +1,15 @@
+form:
+  validation: strict
+
+  fields:
+    tabs:
+      type: tabs
+      fields:
+        tab:
+          type: tab
+          fields:
+            test:
+              type: text
+              label: Test
+              validate:
+                required: true