--- /dev/null
+<?php
+
+namespace Drupal\Tests\language\Kernel;
+
+use Drupal\Core\Language\LanguageInterface;
+use Drupal\entity_test\Entity\EntityTest;
+use Drupal\language\Entity\ConfigurableLanguage;
+use Drupal\language\Plugin\LanguageNegotiation\LanguageNegotiationContentEntity;
+use Drupal\language\Plugin\LanguageNegotiation\LanguageNegotiationUrl;
+use Symfony\Cmf\Component\Routing\RouteObjectInterface;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\Routing\Route;
+
+/**
+ * Tests the language of entity URLs.
+ * @group language
+ */
+class EntityUrlLanguageTest extends LanguageTestBase {
+
+ /**
+ * Modules to enable.
+ *
+ * @var array
+ */
+ public static $modules = ['entity_test', 'user'];
+
+ /**
+ * The entity being used for testing.
+ *
+ * @var \Drupal\Core\Entity\ContentEntityInterface
+ */
+ protected $entity;
+
+ protected function setUp() {
+ parent::setUp();
+
+ $this->installEntitySchema('entity_test');
+ $this->installEntitySchema('configurable_language');
+ \Drupal::service('router.builder')->rebuild();
+
+ // In order to reflect the changes for a multilingual site in the container
+ // we have to rebuild it.
+ ConfigurableLanguage::create(['id' => 'es'])->save();
+ ConfigurableLanguage::create(['id' => 'fr'])->save();
+
+ $config = $this->config('language.negotiation');
+ $config->set('url.prefixes', ['en' => 'en', 'es' => 'es', 'fr' => 'fr'])
+ ->save();
+
+ \Drupal::service('kernel')->rebuildContainer();
+
+ $this->createTranslatableEntity();
+ }
+
+ /**
+ * Ensures that entity URLs in a language have the right language prefix.
+ */
+ public function testEntityUrlLanguage() {
+ $this->assertTrue(strpos($this->entity->urlInfo()->toString(), '/en/entity_test/' . $this->entity->id()) !== FALSE);
+ $this->assertTrue(strpos($this->entity->getTranslation('es')->urlInfo()->toString(), '/es/entity_test/' . $this->entity->id()) !== FALSE);
+ $this->assertTrue(strpos($this->entity->getTranslation('fr')->urlInfo()->toString(), '/fr/entity_test/' . $this->entity->id()) !== FALSE);
+ }
+
+ /**
+ * Ensures correct entity URLs with the method language-content-entity enabled.
+ *
+ * Test case with the method language-content-entity enabled and configured
+ * with higher and also with lower priority than the method language-url.
+ */
+ public function testEntityUrlLanguageWithLanguageContentEnabled() {
+ // Define the method language-content-entity with a higher priority than
+ // language-url.
+ $config = $this->config('language.types');
+ $config->set('configurable', [LanguageInterface::TYPE_INTERFACE, LanguageInterface::TYPE_CONTENT]);
+ $config->set('negotiation.language_content.enabled', [
+ LanguageNegotiationContentEntity::METHOD_ID => 0,
+ LanguageNegotiationUrl::METHOD_ID => 1
+ ]);
+ $config->save();
+
+ // Without being on an content entity route the default entity URL tests
+ // should still pass.
+ $this->testEntityUrlLanguage();
+
+ // Now switching to an entity route, so that the URL links are generated
+ // while being on an entity route.
+ $this->setCurrentRequestForRoute('/entity_test/{entity_test}', 'entity.entity_test.canonical');
+
+ // The method language-content-entity should run before language-url and
+ // append query parameter for the content language and prevent language-url
+ // from overwriting the url.
+ $this->assertTrue(strpos($this->entity->urlInfo('canonical')->toString(), '/en/entity_test/' . $this->entity->id() . '?' . LanguageNegotiationContentEntity::QUERY_PARAMETER . '=en') !== FALSE);
+ $this->assertTrue(strpos($this->entity->getTranslation('es')->urlInfo('canonical')->toString(), '/en/entity_test/' . $this->entity->id() . '?' . LanguageNegotiationContentEntity::QUERY_PARAMETER . '=es') !== FALSE);
+ $this->assertTrue(strpos($this->entity->getTranslation('fr')->urlInfo('canonical')->toString(), '/en/entity_test/' . $this->entity->id() . '?' . LanguageNegotiationContentEntity::QUERY_PARAMETER . '=fr') !== FALSE);
+
+ // Define the method language-url with a higher priority than
+ // language-content-entity. This configuration should match the default one,
+ // where the language-content-entity is turned off.
+ $config->set('negotiation.language_content.enabled', [
+ LanguageNegotiationUrl::METHOD_ID => 0,
+ LanguageNegotiationContentEntity::METHOD_ID => 1
+ ]);
+ $config->save();
+
+ // The default entity URL tests should pass again with the current
+ // configuration.
+ $this->testEntityUrlLanguage();
+ }
+
+ /**
+ * Creates a translated entity.
+ */
+ protected function createTranslatableEntity() {
+ $this->entity = EntityTest::create();
+ $this->entity->addTranslation('es', ['name' => 'name spanish']);
+ $this->entity->addTranslation('fr', ['name' => 'name french']);
+ $this->entity->save();
+ }
+
+ /**
+ * Sets the current request to a specific path with the corresponding route.
+ *
+ * @param string $path
+ * The path for which the current request should be created.
+ * @param string $route_name
+ * The route name for which the route object for the request should be
+ * created.
+ */
+ protected function setCurrentRequestForRoute($path, $route_name) {
+ $request = Request::create($path);
+ $request->attributes->set(RouteObjectInterface::ROUTE_NAME, $route_name);
+ $request->attributes->set(RouteObjectInterface::ROUTE_OBJECT, new Route($path));
+ $this->container->get('request_stack')->push($request);
+ }
+
+}