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+.sass-cache
+.css.map
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+                    GNU GENERAL PUBLIC LICENSE
+                       Version 2, June 1991
+
+ Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
+ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+                            Preamble
+
+  The licenses for most software are designed to take away your
+freedom to share and change it.  By contrast, the GNU General Public
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+software--to make sure the software is free for all its users.  This
+General Public License applies to most of the Free Software
+Foundation's software and to any other program whose authors commit to
+using it.  (Some other Free Software Foundation software is covered by
+the GNU Lesser General Public License instead.)  You can apply it to
+your programs, too.
+
+  When we speak of free software, we are referring to freedom, not
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+  For example, if you distribute copies of such a program, whether
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+
+                    GNU GENERAL PUBLIC LICENSE
+   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
+
+  0. This License applies to any program or other work which contains
+a notice placed by the copyright holder saying it may be distributed
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+
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+
+                            NO WARRANTY
+
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+FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW.  EXCEPT WHEN
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+
+                     END OF TERMS AND CONDITIONS
+
+            How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
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+convey the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License along
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+    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+Also add information on how to contact you by electronic and paper mail.
+
+If the program is interactive, make it output a short notice like this
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+
+    Gnomovision version 69, Copyright (C) year name of author
+    Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, the commands you use may
+be called something other than `show w' and `show c'; they could even be
+mouse-clicks or menu items--whatever suits your program.
+
+You should also get your employer (if you work as a programmer) or your
+school, if any, to sign a "copyright disclaimer" for the program, if
+necessary.  Here is a sample; alter the names:
+
+  Yoyodyne, Inc., hereby disclaims all copyright interest in the program
+  `Gnomovision' (which makes passes at compilers) written by James Hacker.
+
+  <signature of Ty Coon>, 1 April 1989
+  Ty Coon, President of Vice
+
+This General Public License does not permit incorporating your program into
+proprietary programs.  If your program is a subroutine library, you may
+consider it more useful to permit linking proprietary applications with the
+library.  If this is what you want to do, use the GNU Lesser General
+Public License instead of this License.
@@ -0,0 +1,17 @@
+## Setup
+
+Go to example.com/admin/config/media/ng-lightbox and configure the paths you would
+like to be auto-lightboxed.
+
+Anything that runs through theme_link() and mentioned on the admin page is lightboxed, if you
+want to manually apply the lightbox to a link, simply add the "ng-lightbox" class to the anchor.
+
+## Rebuilding SASS
+
+If you're contributing to ng_lightbox you can re-generate the css with the
+following command from within the ng_lightbox folder.
+
+    compass compile --no-sourcemap --no-debug-info --force -e production sass/lightbox.scss
+
+If you're simply using the ng_lightbox module and want to have your own theme you can copy the
+sass file into your theme and begin customising from there.
@@ -0,0 +1,5 @@
+patterns: ''
+default_width: 700
+lightbox_class: ''
+skip_admin_paths: true
+renderer: 'drupal_modal'
@@ -0,0 +1,19 @@
+ng_lightbox.settings:
+  type: config_object
+  label: 'NG Lightbox settings.'
+  mapping:
+    patterns:
+      type: string
+      label: 'The path patterns to try match.'
+    default_width:
+      type: integer
+      label: 'The default width of the lightbox.'
+    lightbox_class:
+      type: string
+      label: 'The custom class of the lightbox.'
+    skip_admin_paths:
+      type: boolean
+      label: 'Whether to disable the lightbox on admin pages.'
+    renderer:
+      type: string
+      label: 'The renderer used to launch a the lightbox.'
@@ -0,0 +1,15 @@
+name: NG Lightbox
+description: A path based lightbox solution using CSS 3 properties.
+type: module
+# core: 8.x
+package: NG
+configure: ng_lightbox.settings
+
+files:
+  - ng_lightbox.test
+
+# Information added by Drupal.org packaging script on 2017-03-06
+version: '8.x-1.0-beta3'
+core: '8.x'
+project: 'ng_lightbox'
+datestamp: 1488844686
@@ -0,0 +1,5 @@
+ng_lightbox:
+  version: VERSION
+  js: {}
+  dependencies:
+    - core/drupal.ajax
@@ -0,0 +1,5 @@
+ng_lightbox.settings:
+  title: NG Lightbox
+  description: 'Configure the NG Lightbox settings.'
+  route_name: ng_lightbox.settings
+  parent: system.admin_config_media
@@ -0,0 +1,37 @@
+<?php
+
+/**
+ * @file
+ * The NG Lightbox module.
+ */
+
+/**
+ * Implements hook_link_alter().
+ */
+function ng_lightbox_link_alter(&$vars) {
+  /** @var \Drupal\ng_lightbox\NgLightbox $lightbox */
+  $lightbox = \Drupal::service('ng_lightbox');
+  if ($lightbox->isNgLightboxEnabledPath($vars['url'])) {
+    $lightbox->addLightbox($vars);
+  }
+  elseif (!empty($vars['options']['attributes']['class'])) {
+    // We have to normalize to an array because many places incorrectly set
+    // class to a string.
+    $vars['options']['attributes']['class'] = (array) $vars['options']['attributes']['class'];
+
+    if (in_array('ng-lightbox', $vars['options']['attributes']['class'])) {
+      $lightbox->addLightbox($vars);
+    }
+  }
+
+  // If you've enabled/disabled the modal for admin paths this allows you to
+  // override it for one off paths.
+  \Drupal::moduleHandler()->alter('ng_lightbox_ajax_path', $vars);
+}
+
+/**
+ * Implements hook_page_attachments().
+ */
+function ng_lightbox_page_attachments(array &$attachments) {
+  $attachments['#attached']['library'][] = 'ng_lightbox/ng_lightbox';
+}
@@ -0,0 +1,4 @@
+administer ng lightbox:
+  title: 'Administer NG Lightbox'
+  description: 'Allow users to administer the NG Lightbox settings.'
+  restrict access: true
@@ -0,0 +1,7 @@
+ng_lightbox.settings:
+  path: '/admin/config/media/ng-lightbox'
+  defaults:
+    _form: '\Drupal\ng_lightbox\Form\NgLightboxSettingsForm'
+    _title: 'NG Lightbox'
+  requirements:
+    _permission: 'administer ng lightbox'
@@ -0,0 +1,4 @@
+services:
+  ng_lightbox:
+    class: Drupal\ng_lightbox\NgLightbox
+    arguments: ['@path.matcher', '@path.alias_manager', '@config.factory', '@router.admin_context']
@@ -0,0 +1,116 @@
+<?php
+
+namespace Drupal\ng_lightbox\Form;
+
+use Drupal\Core\Config\ConfigFactoryInterface;
+use Drupal\Core\Extension\ModuleHandlerInterface;
+use Drupal\Core\Form\ConfigFormBase;
+use Drupal\Core\Form\FormStateInterface;
+use Drupal\ng_lightbox\NgLightbox;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+class NgLightboxSettingsForm extends ConfigFormBase {
+
+  /**
+   * @var \Drupal\Core\Config\ConfigFactoryInterface
+   */
+  protected $config;
+
+  /**
+   * An array of Lightbox renderers.
+   *
+   * @var array
+   */
+  protected $renderers = [];
+
+  /**
+   * Constructs a \Drupal\system\ConfigFormBase object.
+   *
+   * @param \Drupal\Core\Config\ConfigFactoryInterface $config_factory
+   *   The factory for configuration objects.
+   */
+  public function __construct(ConfigFactoryInterface $config_factory, array $lightbox_renderers) {
+    parent::__construct($config_factory);
+    $this->renderers = $lightbox_renderers;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function create(ContainerInterface $container) {
+    return new static(
+      $container->get('config.factory'),
+      $container->getParameter('ng_lightbox_renderers')
+    );
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function buildForm(array $form, FormStateInterface $form_state) {
+    $this->config = $this->configFactory()->getEditable('ng_lightbox.settings');
+
+    $form['container']['patterns'] = array(
+      '#type' => 'textarea',
+      '#title' => $this->t('Paths'),
+      '#default_value' => $this->config->get('patterns'),
+      '#description' => $this->t('New line separated paths that must start with a leading slash. Wildcard character is *. E.g. /comment/*/reply.'),
+    );
+    $form['container']['default_width'] = array(
+      '#type' => 'textfield',
+      '#title' => $this->t('Default Width'),
+      '#default_value' => $this->config->get('default_width'),
+      '#description' => $this->t('The default width for modals opened with NG Lightbox.'),
+    );
+    $form['container']['lightbox_class'] = array(
+      '#type' => 'textfield',
+      '#title' => $this->t('Lightbox Class'),
+      '#default_value' => $this->config->get('lightbox_class'),
+      '#description' => $this->t('The css custom class for modals opened with NG Lightbox.'),
+    );
+    $form['container']['skip_admin_paths'] = array(
+      '#title' => $this->t('Skip all admin paths'),
+      '#type' => 'checkbox',
+      '#default_value' => $this->config->get('skip_admin_paths'),
+      '#description' => $this->t('This will exclude all admin paths from the lightbox. If you want some paths, see hook_ng_lightbox_ajax_path_alter().'),
+    );
+    $form['container']['renderer'] = array(
+      '#title' => $this->t('Renderer'),
+      '#type' => 'select',
+      '#default_value' => $this->config->get('renderer') ?: NgLightbox::DEFAULT_MODAL,
+      '#description' => $this->t('Select which renderer should be used for the lightbox.'),
+      '#options' => $this->renderers,
+    );
+
+    return parent::buildForm($form, $form_state);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function submitForm(array &$form, FormStateInterface $form_state) {
+    $values = $form_state->getValues();
+    $this->config
+      ->set('patterns', $values['patterns'])
+      ->set('default_width', $values['default_width'])
+      ->set('lightbox_class', $values['lightbox_class'])
+      ->set('skip_admin_paths', $values['skip_admin_paths'])
+      ->set('renderer', $values['renderer'])
+      ->save();
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getFormId() {
+    return 'ng_lightbox_settings';
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function getEditableConfigNames() {
+    return [];
+  }
+
+}
@@ -0,0 +1,152 @@
+<?php
+
+namespace Drupal\ng_lightbox;
+
+use Drupal\Core\Config\ConfigFactoryInterface;
+use Drupal\Core\Path\AliasManagerInterface;
+use Drupal\Core\Path\PathMatcherInterface;
+use Drupal\Core\Routing\AdminContext;
+use Drupal\Core\Routing\RouteMatch;
+use Drupal\Core\Url;
+use Symfony\Component\HttpFoundation\Request;
+
+class NgLightbox {
+
+  /**
+   * The default modal when none is selected.
+   */
+  const DEFAULT_MODAL = 'drupal_modal';
+
+  /**
+   * @var \Drupal\Core\Path\PathMatcherInterface
+   */
+  protected $pathMatcher;
+
+  /**
+   * @var \Drupal\Core\Path\AliasManagerInterface
+   */
+  protected $aliasManager;
+
+  /**
+   * @var \Drupal\Core\Config\ImmutableConfig
+   */
+  protected $config;
+
+  /**
+   * @var \Drupal\Core\Routing\AdminContext
+   */
+  protected $adminContext;
+
+  /**
+   * An array of paths that were already checked and their match status.
+   *
+   * @var array
+   */
+  protected $matches = [];
+
+  /**
+   * Constructs a new NgLightbox service.
+   *
+   * @param \Drupal\Core\Path\PathMatcherInterface $path_matcher
+   *   Patch matcher services for comparing the lightbox patterns.
+   * @param \Drupal\Core\Path\AliasManagerInterface $alias_manager
+   *   Alias manager so we can also test path aliases.
+   * @param \Drupal\Core\Config\ConfigFactoryInterface $config_factory
+   *   The config factory so we can get the lightbox settings.
+   */
+  public function __construct(PathMatcherInterface $path_matcher, AliasManagerInterface $alias_manager, ConfigFactoryInterface $config_factory, AdminContext $admin_context) {
+    $this->pathMatcher = $path_matcher;
+    $this->aliasManager = $alias_manager;
+    $this->config = $config_factory->get('ng_lightbox.settings');
+    $this->adminContext = $admin_context;
+  }
+
+  /**
+   * Checks whether a give path matches the ng-lightbox path rules.
+   * This function checks both internal paths and aliased paths.
+   *
+   * @param \Drupal\Core\Url $url
+   *   The Url object.
+   *
+   * @return bool
+   *   TRUE if it matches the given rules.
+   */
+  public function isNgLightboxEnabledPath(Url $url) {
+
+    // No lightbox on external Urls.
+    if ($url->isExternal()) {
+      return FALSE;
+    }
+
+    // If we don't want to enable the Lightbox on admin pages.
+    if ($this->config->get('skip_admin_paths') && $this->adminContext->isAdminRoute()) {
+      return FALSE;
+    }
+
+    // @TODO, decide whether we want to try and support paths or to adopt routes
+    // like core is trying to force us into.
+    $path = strtolower($url->toString());
+
+    // We filter out empty paths because some modules (such as Media) use
+    // theme_link() to generate links with empty paths and we filter out paths
+    // that do not start with a /, such as #hash-only URLs.
+    if (empty($path) || $path[0] !== '/') {
+      return FALSE;
+    }
+
+    // Remove the base path.
+    if ($base_path = \Drupal::request()->getBasePath()) {
+      $path = substr($path, strlen($base_path));
+    }
+
+    // Check the cache, see if we've handled this before.
+    if (isset($this->matches[$path])) {
+      return $this->matches[$path];
+    }
+
+    // Normalise the patterns as well so they match the normalised paths.
+    $patterns = strtolower($this->config->get('patterns'));
+
+    // Check for internal paths first which is much quicker than the alias lookup.
+    if ($this->pathMatcher->matchPath($path, $patterns)) {
+      $this->matches[$path] = TRUE;
+    }
+    else {
+      // Now check for aliases paths.
+      $aliased_path = strtolower($this->aliasManager->getAliasByPath($path));
+      if ($path != $aliased_path && $this->pathMatcher->matchPath($aliased_path, $patterns)) {
+        $this->matches[$path] = TRUE;
+      }
+      else {
+        // No match.
+        $this->matches[$path] = FALSE;
+      }
+    }
+
+    return $this->matches[$path];
+  }
+
+  /**
+   * Adds a lightbox to a link.
+   *
+   * @param array $link
+   *   The link we want to add the lightbox to.
+   */
+  public function addLightbox(array &$link) {
+    // Safety check if class isn't an array.
+    if (!isset($link['options']['attributes']['class'])) {
+      $link['options']['attributes']['class'] = array();
+    }
+
+    // Add our lightbox class.
+    $link['options']['attributes']['class'][] = 'use-ajax';
+    $link['options']['attributes']['data-dialog-type'] = str_replace('drupal_', '', $this->config->get('renderer') ?: static::DEFAULT_MODAL);
+    $data = [
+      'width' => $this->config->get('default_width'),
+      'dialogClass' => $this->config->get('lightbox_class'),
+    ];
+
+    $link['options']['attributes']['data-dialog-options'] = json_encode($data);
+  }
+
+}
@@ -0,0 +1,34 @@
+<?php
+
+/**
+ * @file
+ * Contains \Drupal\ng_lightbox\NgLightboxPass
+ */
+
+namespace Drupal\ng_lightbox;
+
+use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+
+/**
+ * The NgLightboxPass class.
+ */
+class NgLightboxPass implements CompilerPassInterface {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function process(ContainerBuilder $container) {
+    $lightbox_renderers = [];
+    foreach ($container->findTaggedServiceIds('render.main_content_renderer') as $id => $attributes_list) {
+      foreach ($attributes_list as $attributes) {
+        if (!empty($attributes['ng_lightbox'])) {
+          $format = $attributes['format'];
+          $lightbox_renderers[$format] = $attributes['ng_lightbox'];
+        }
+      }
+    }
+    $container->setParameter('ng_lightbox_renderers', $lightbox_renderers);
+  }
+
+}
@@ -0,0 +1,53 @@
+<?php
+
+/**
+ * @file
+ * Contains \Drupal\ng_lightbox\NgLightboxServiceProvider
+ */
+
+namespace Drupal\ng_lightbox;
+
+use Drupal\Core\DependencyInjection\ContainerBuilder;
+use Drupal\Core\DependencyInjection\ServiceProviderBase;
+
+/**
+ * The NgLightboxServiceProvider class.
+ */
+class NgLightboxServiceProvider extends ServiceProviderBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function register(ContainerBuilder $container) {
+    $container->addCompilerPass(new NgLightboxPass());
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function alter(ContainerBuilder $container) {
+    $this->addLightbox($container, 'main_content_renderer.dialog', 'Core Dialog');
+    $this->addLightbox($container, 'main_content_renderer.modal', 'Core Modal');
+  }
+
+  /**
+   * @param \Drupal\Core\DependencyInjection\ContainerBuilder $container
+   * @param $id
+   * @param $title
+   */
+  protected function addLightbox(ContainerBuilder $container, $id, $title) {
+    $definition = $container->getDefinition($id);
+    $tags = $definition->getTags();
+
+    foreach ($tags as $delta => &$tag) {
+      if ($delta === 'render.main_content_renderer') {
+        foreach ($tag as &$attribute) {
+          $attribute['ng_lightbox'] = $title;
+        }
+      }
+    }
+
+    $definition->setTags($tags);
+  }
+
+}
@@ -0,0 +1,131 @@
+<?php
+
+/**
+ * @file
+ * NG Lightbox tests.
+ */
+
+namespace Drupal\ng_lightbox\Tests;
+
+use Drupal\node\Entity\Node;
+use Drupal\node\Entity\NodeType;
+use Drupal\simpletest\KernelTestBase;
+
+/**
+ * Test basic functionality of the lightbox.
+ *
+ * @group ng_lightbox
+ */
+class NgLightboxTest extends KernelTestBase {
+
+  /**
+   * @var array
+   */
+  public static $modules = ['system', 'node', 'user', 'ng_lightbox'];
+
+  /**
+   * {@inheritdoc}
+   */
+  public function setUp() {
+    parent::setUp();
+    $this->installSchema('system', ['router', 'url_alias']);
+    \Drupal::service('router.builder')->rebuild();
+
+    $this->installEntitySchema('node');
+    $this->installEntitySchema('user');
+    $this->installSchema('node', ['node_access']);
+    $this->installConfig(['ng_lightbox']);
+
+    // Create the node type.
+    NodeType::create(['type' => 'page'])->save();
+  }
+
+  /**
+   * Test the pattern matching for link paths.
+   */
+  public function testPatternMatching() {
+
+    // Test the patterns are enabled on links as expected.
+    $node = Node::create(['type' => 'page', 'title' => $this->randomString()]);
+    $node->save();
+    $config = \Drupal::configFactory()->getEditable('ng_lightbox.settings');
+    $config->set('patterns', $node->url())->save();
+    $this->assertLightboxEnabled(\Drupal::l('Normal Path', $node->urlInfo()));
+
+    // Create a second node and make sure it doesn't get lightboxed.
+    $node = Node::create(['type' => 'page', 'title' => $this->randomString()]);
+    $node->save();
+    $this->assertLightboxNotEnabled(\Drupal::l('Normal Path', $node->urlInfo()));
+
+
+    // @TODO, these were in D7 but in D8, I can't see how you can even generate
+    // a link with such a format so maybe it isn't needed at all?
+    // The uppercase path should still be matched for a lightbox.
+    // $this->assertLightboxNotEnabled(\Drupal::l('Uppercase Path', 'NODE/1'));
+    // $this->assertLightboxNotEnabled(\Drupal::l('Alaised Path', $alias));
+    // $this->assertLightboxNotEnabled(\Drupal::l('Empty Path', ''));
+  }
+
+  /**
+   * Asserts the lightbox was enabled for the generated link.
+   *
+   * @param string $link
+   *   The rendered link.
+   */
+  protected function assertLightboxEnabled($link) {
+    $this->assertContains('use-ajax', $link);
+    $this->assertContains('data-dialog-type', $link);
+  }
+
+  /**
+   * Asserts the lightbox was not enabled for the generated link.
+   *
+   * @param string $link
+   *   The rendered link.
+   */
+  protected function assertLightboxNotEnabled($link) {
+    $this->assertNotContains('use-ajax', $link);
+    $this->assertNotContains('data-dialog-type', $link);
+  }
+
+  /**
+   * Asserts a string does exist in the haystack.
+   *
+   * @param string $needle
+   *   The string to search for.
+   * @param string $haystack
+   *   The string to search within.
+   * @param string $message
+   *   The message to log.
+   *
+   * @return bool
+   *   TRUE if it was found otherwise FALSE.
+   */
+  protected function assertContains($needle, $haystack, $message = '') {
+    if (empty($message)) {
+      $message = t('%needle was found within %haystack', array('%needle' => $needle, '%haystack' => $haystack));
+    }
+    return $this->assertTrue(stripos($haystack, $needle) !== FALSE, $message);
+  }
+
+  /**
+   * Asserts a string does not exist in the haystack.
+   *
+   * @param string $needle
+   *   The string to search for.
+   * @param string $haystack
+   *   The string to search within.
+   * @param string $message
+   *   The message to log.
+   *
+   * @return bool
+   *   TRUE if it was not found otherwise FALSE.
+   */
+  protected function assertNotContains($needle, $haystack, $message = '') {
+    if (empty($message)) {
+      $message = t('%needle was not found within %haystack', array('%needle' => $needle, '%haystack' => $haystack));
+    }
+    return $this->assertTrue(stripos($haystack, $needle) === FALSE, $message);
+  }
+
+}
@@ -0,0 +1,48 @@
+<?php
+
+/**
+ * @file
+ * Contains \Drupal\ng_lightbox\Tests\NgLightboxWebTest
+ */
+
+namespace Drupal\ng_lightbox\Tests;
+
+use Drupal\simpletest\WebTestBase;
+
+/**
+ * A web test for NG Lightbox.
+ *
+ * @group ng_lightbox
+ */
+class NgLightboxWebTest extends WebTestBase {
+
+  protected $profile = 'minimal';
+
+  /**
+   * Default modules to enable.
+   *
+   * @var array
+   */
+  public static $modules = ['ng_lightbox', 'views', 'node', 'filter'];
+
+  /**
+   * {@inheritdoc}
+   */
+  public function setUp() {
+    parent::setUp();
+    $config = \Drupal::configFactory()->getEditable('ng_lightbox.settings');
+    $this->createContentType(['type' => 'page']);
+    $node = $this->drupalCreateNode();
+    $config->set('patterns', '/node/' . $node->id());
+    $config->save();
+  }
+
+  /**
+   * Test that we can render a modal even before selecting one from the admin.
+   */
+  public function testDefaultModal() {
+    $this->drupalGet('/node');
+    $this->assertRaw('data-dialog-type="modal"');
+  }
+
+}
@@ -0,0 +1,28 @@
+<?php
+
+namespace Drupal\Tests\ng_lightbox\Kernel;
+
+use Drupal\Core\Url;
+use Drupal\KernelTests\KernelTestBase;
+
+/**
+ * Test the NG Lightbox service.
+ *
+ * @group ng_lightbox
+ */
+class NgLightboxTest extends KernelTestBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  static $modules = ['system', 'ng_lightbox'];
+
+  /**
+   * Test a URL that only has a hash.
+   */
+  public function testHashOnlyUrls() {
+    $url = Url::fromUserInput('#hash-only-url');
+    $this->assertFalse($this->container->get('ng_lightbox')->isNgLightboxEnabledPath($url));
+  }
+
+}
@@ -0,0 +1,84 @@
+<?php
+
+/**
+ * @file
+ * Contains \Drupal\Tests\ng_lightbox\Unit\NgLightboxTest
+ */
+
+namespace Drupal\Tests\ng_lightbox\Unit;
+
+use Drupal\ng_lightbox\NgLightbox;
+use Drupal\Tests\UnitTestCase;
+use Prophecy\Argument;
+
+/**
+ * @coversDefaultClass \Drupal\ng_lightbox\NgLightbox
+ * @group ng_lightbox
+ */
+class NgLightboxTest extends UnitTestCase {
+
+  /**
+   * Test with an External URL.
+   */
+  public function testExternalUrl() {
+    $lightbox = $this->getLightbox();
+    $this->assertEquals(FALSE, $lightbox->isNgLightboxEnabledPath($this->getUrlMock(TRUE)->reveal()));
+  }
+
+  /**
+   * Test the admin_skip_path settings.
+   */
+  public function testAdminSkipPaths() {
+    // Admin skip paths enabled and admin route.
+    $lightbox = $this->getLightbox();
+    $this->assertEquals(FALSE, $lightbox->isNgLightboxEnabledPath($this->getUrlMock()->reveal()));
+  }
+
+  /**
+   * Test with an empty path.
+   */
+  public function testEmptyPath() {
+    $lightbox = $this->getLightbox(FALSE);
+    $url = $this->getUrlMock();
+    $url->toString()->willReturn('');
+    $this->assertEquals(FALSE, $lightbox->isNgLightboxEnabledPath($url->reveal()));
+  }
+
+  /**
+   * Helper to create Url mocks.
+   *
+   * @param bool|FALSE $is_external
+   *   TRUE if this URL is external otherwise FALSE.
+   *
+   * @return \Prophecy\Prophecy\ObjectProphecy
+   *   The url prophecy for testing.
+   */
+  protected function getUrlMock($is_external = FALSE) {
+    $url = $this->prophesize('Drupal\Core\Url');
+    $url->isExternal()->willReturn($is_external);
+    return $url;
+  }
+
+  /**
+   * Get the lightbox service setup for testing.
+   *
+   * @return \Drupal\ng_lightbox\NgLightbox
+   *   The lightbox service.
+   */
+  protected function getLightbox($skip_admin_paths = TRUE, $is_admin_route = TRUE) {
+
+    $path_matcher = $this->prophesize('Drupal\Core\Path\PathMatcherInterface');
+    $alias_manager = $this->prophesize('Drupal\Core\Path\AliasManagerInterface');
+    $config_factory = $this->prophesize('Drupal\Core\Config\ConfigFactoryInterface');
+    $config = $this->prophesize('Drupal\Core\Config\ImmutableConfig');
+    $config->get(Argument::exact('skip_admin_paths'))->willReturn($skip_admin_paths);
+    $config_factory->get(Argument::exact('ng_lightbox.settings'))->willReturn($config);
+    $admin_context = $this->prophesize('Drupal\Core\Routing\AdminContext');
+    $admin_context->isAdminRoute()->willReturn($is_admin_route);
+
+    $lightbox = new NgLightbox($path_matcher->reveal(), $alias_manager->reveal(), $config_factory->reveal(), $admin_context->reveal());
+
+    return $lightbox;
+  }
+
+}