commit 905c75fb3a1c583158db42d36952edd9fa3f655b
Author: archfz <fodor18zoltan@gmail.com>
Date:   Sat Jan 27 17:49:51 2018 +0200

    Adds test

diff --git a/core/tests/Drupal/KernelTests/Core/PathProcessor/PathProcessorTest.php b/core/tests/Drupal/KernelTests/Core/PathProcessor/PathProcessorTest.php
new file mode 100644
index 00000000000..61a292640ab
--- /dev/null
+++ b/core/tests/Drupal/KernelTests/Core/PathProcessor/PathProcessorTest.php
@@ -0,0 +1,84 @@
+<?php
+
+namespace Drupal\KernelTests\Core\PathProcessor;
+
+use Drupal\Core\PathProcessor\PathProcessorManager;
+use Drupal\language\Entity\ConfigurableLanguage;
+use Drupal\Tests\language\Kernel\LanguageTestBase;
+use Symfony\Component\HttpFoundation\Request;
+
+/**
+ * Tests the path processors as a whole.
+ *
+ * @group Path
+ */
+class PathProcessorTest extends LanguageTestBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  public static $modules = ['path', 'language', 'user'];
+
+  /**
+   * Setup for the test.
+   */
+  protected function setUp() {
+    parent::setUp();
+
+    // Add a language.
+    ConfigurableLanguage::createFromLangcode('fr')->save();
+
+    // Enable language negotiation.
+    \Drupal::configFactory()
+      ->getEditable('language.negotiation')
+      ->set('url', [
+        'source' => 'path_prefix',
+        'prefixes' => [
+          'en' => '',
+          'fr' => 'fr'
+        ]
+      ])
+      ->save();
+
+    // Add language types configuration.
+    \Drupal::configFactory()
+      ->getEditable('language.types')
+      ->set('negotiation.language_interface.enabled.language-url', 1)
+      ->set('configurable', ['language_interface'])
+      ->set('all', ['language_interface', 'language_content', 'language_url'])
+      ->save();
+
+    // This is required to register the Language path processor.
+    // @todo Find better way.
+    drupal_flush_all_caches();
+  }
+
+  /**
+   * Tests whether the processor converts a path alias in different language.
+   */
+  public function testAliasInDifferentLanguageConverted() {
+    /** @var PathProcessorManager $pathProcessor */
+    $pathProcessor = \Drupal::service('path_processor_manager');
+
+    // Test that the language path processor works.
+    $langAlias = '/fr/user/login';
+    $request = Request::create($langAlias);
+    $processedPath = $pathProcessor->processInbound($langAlias, $request);
+
+    $this->assertEquals('/user/login', $processedPath, 'The language prefix was removed.');
+
+    $alias = '/some-alias';
+    $path = '/some-path';
+
+    // Create a new alias.
+    \Drupal::service('path.alias_storage')->save($alias, $path, 'fr');
+
+    // Attempt to process the alias and convert it.
+    $langAlias = '/fr' . $alias;
+    $request = Request::create($langAlias);
+    $processedPath = $pathProcessor->processInbound($langAlias, $request);
+
+    $this->assertEquals($path, $processedPath, 'The alias was converted to the real path.');
+  }
+
+}