--- /dev/null
+<?php
+
+namespace Drupal\Tests\search\Functional;
+
+use Drupal\field\Entity\FieldStorageConfig;
+use Drupal\language\Entity\ConfigurableLanguage;
+use Drupal\Tests\BrowserTestBase;
+
+/**
+ * Tests advanced search with different languages added.
+ *
+ * @group search
+ */
+class SearchLanguageTest extends BrowserTestBase {
+
+ /**
+ * {@inheritdoc}
+ */
+ protected static $modules = ['language', 'node', 'search'];
+
+ /**
+ * Array of nodes available to search.
+ *
+ * @var \Drupal\node\NodeInterface[]
+ */
+ protected $searchableNodes;
+
+ protected function setUp() {
+ parent::setUp();
+
+ $this->drupalCreateContentType(['type' => 'page', 'name' => 'Basic page']);
+
+ // Create and log in user.
+ $test_user = $this->drupalCreateUser(['access content', 'search content', 'use advanced search', 'administer nodes', 'administer languages', 'access administration pages', 'administer site configuration']);
+ $this->drupalLogin($test_user);
+
+ // Add a new language.
+ ConfigurableLanguage::createFromLangcode('es')->save();
+
+ // Make the body field translatable. The title is already translatable by
+ // definition. The parent class has already created the article and page
+ // content types.
+ $field_storage = FieldStorageConfig::loadByName('node', 'body');
+ $field_storage->setTranslatable(TRUE);
+ $field_storage->save();
+
+ // Create a few page nodes with multilingual body values.
+ $default_format = filter_default_format();
+ $nodes = [
+ [
+ 'title' => 'First node en',
+ 'type' => 'page',
+ 'body' => [['value' => $this->randomMachineName(32), 'format' => $default_format]],
+ 'langcode' => 'en',
+ ],
+ [
+ 'title' => 'Second node this is the Spanish title',
+ 'type' => 'page',
+ 'body' => [['value' => $this->randomMachineName(32), 'format' => $default_format]],
+ 'langcode' => 'es',
+ ],
+ [
+ 'title' => 'Third node en',
+ 'type' => 'page',
+ 'body' => [['value' => $this->randomMachineName(32), 'format' => $default_format]],
+ 'langcode' => 'en',
+ ],
+ ];
+ $this->searchableNodes = [];
+ foreach ($nodes as $setting) {
+ $this->searchableNodes[] = $this->drupalCreateNode($setting);
+ }
+
+ // Add English translation to the second node.
+ $translation = $this->searchableNodes[1]->addTranslation('en', ['title' => 'Second node en']);
+ $translation->body->value = $this->randomMachineName(32);
+ $this->searchableNodes[1]->save();
+
+ // Add Spanish translation to the third node.
+ $translation = $this->searchableNodes[2]->addTranslation('es', ['title' => 'Third node es']);
+ $translation->body->value = $this->randomMachineName(32);
+ $this->searchableNodes[2]->save();
+
+ // Update the index and then run the shutdown method.
+ $plugin = $this->container->get('plugin.manager.search')->createInstance('node_search');
+ $plugin->updateIndex();
+ search_update_totals();
+ }
+
+ public function testLanguages() {
+ // Add predefined language.
+ $edit = ['predefined_langcode' => 'fr'];
+ $this->drupalPostForm('admin/config/regional/language/add', $edit, t('Add language'));
+ $this->assertText('French', 'Language added successfully.');
+
+ // Now we should have languages displayed.
+ $this->drupalGet('search/node');
+ $this->assertText(t('Languages'), 'Languages displayed to choose from.');
+ $this->assertText(t('English'), 'English is a possible choice.');
+ $this->assertText(t('French'), 'French is a possible choice.');
+
+ // Ensure selecting no language does not make the query different.
+ $this->drupalPostForm('search/node', [], 'edit-submit--2');
+ $this->assertUrl(\Drupal::url('search.view_node_search', [], ['query' => ['keys' => ''], 'absolute' => TRUE]), [], 'Correct page redirection, no language filtering.');
+
+ // Pick French and ensure it is selected.
+ $edit = ['language[fr]' => TRUE];
+ $this->drupalPostForm('search/node', $edit, 'edit-submit--2');
+ // Get the redirected URL.
+ $url = $this->getUrl();
+ $parts = parse_url($url);
+ $query_string = isset($parts['query']) ? rawurldecode($parts['query']) : '';
+ $this->assertTrue(strpos($query_string, '=language:fr') !== FALSE, 'Language filter language:fr add to the query string.');
+
+ // Search for keyword node and language filter as Spanish.
+ $edit = ['keys' => 'node', 'language[es]' => TRUE];
+ $this->drupalPostForm('search/node', $edit, 'edit-submit--2');
+ // Check for Spanish results.
+ $this->assertLink('Second node this is the Spanish title', 0, 'Second node Spanish title found in search results');
+ $this->assertLink('Third node es', 0, 'Third node Spanish found in search results');
+ // Ensure that results don't contain other language nodes.
+ $this->assertNoLink('First node en', 'Search results do not contain first English node');
+ $this->assertNoLink('Second node en', 'Search results do not contain second English node');
+ $this->assertNoLink('Third node en', 'Search results do not contain third English node');
+
+ // Change the default language and delete English.
+ $path = 'admin/config/regional/language';
+ $this->drupalGet($path);
+ $this->assertFieldChecked('edit-site-default-language-en', 'Default language updated.');
+ $edit = [
+ 'site_default_language' => 'fr',
+ ];
+ $this->drupalPostForm($path, $edit, t('Save configuration'));
+ $this->assertNoFieldChecked('edit-site-default-language-en', 'Default language updated.');
+ $this->drupalPostForm('admin/config/regional/language/delete/en', [], t('Delete'));
+ }
+
+}