default services conflit ?

old.vendor/drupal/console/Test/Helper/StringHelperTest.php

@@ -0,0 +1,55 @@
+<?php
+namespace Drupal\Console\Test\Helper;
+
+use Drupal\Console\Helper\StringHelper;
+
+class StringHelperTest extends \PHPUnit_Framework_TestCase
+{
+    /* @var $stringHelper */
+    protected $stringHelper;
+
+    protected function setUp()
+    {
+        $this->stringHelper = new StringHelper();
+    }
+
+    /**
+     * @dataProvider getDataNames
+     */
+    public function testCreateMachineName($input, $machine_name)
+    {
+        $this->assertEquals($this->stringHelper->createMachineName($input), $machine_name);
+    }
+
+    /**
+     * @dataProvider getDataCamelCaseNames
+     */
+    public function testCamelCaseToMachineName($camel_case, $machine_name)
+    {
+        $this->assertEquals($this->stringHelper->camelCaseToMachineName($camel_case), $machine_name);
+    }
+
+    /**
+     * Random strings and their equivalent machine-name
+     */
+    public function getDataNames()
+    {
+        return [
+          ['Test Space between words', 'test_space_between_words'],
+          ['test$special*characters!', 'test_special_characters'],
+          ['URL', 'url'],
+        ];
+    }
+
+    /**
+     * Camel-case strings and their equivalent machine-name
+     */
+    public function getDataCamelCaseNames()
+    {
+        return [
+          ['camelCase', 'camel_case'],
+          ['greatestFunctionEverWritten', 'greatest_function_ever_written'],
+          ['WakeUp', 'wake_up'],
+        ];
+    }
+}