class LanguageUILanguageNegotiationTest in Drupal 8

Same name and namespace in other branches

9 core/modules/language/tests/src/Functional/LanguageUILanguageNegotiationTest.php \Drupal\Tests\language\Functional\LanguageUILanguageNegotiationTest

Tests the language UI for language switching.

The uses cases that get tested, are:

URL (path) > default: Test that the URL prefix setting gets precedence over the default language. The browser language preference does not have any influence.
URL (path) > browser > default: Test that the URL prefix setting gets precedence over the browser language preference, which in turn gets precedence over the default language.
URL (domain) > default: Tests that the URL domain setting gets precedence over the default language.

The paths that are used for each of these, are:

admin/config: Tests the UI using the precedence rules.
zh-hans/admin/config: Tests the UI in Chinese.
blah-blah/admin/config: Tests the 404 page.

@group language

Hierarchy

class \Drupal\Tests\BrowserTestBase extends \PHPUnit\Framework\TestCase uses FunctionalTestSetupTrait, TestSetupTrait, AssertLegacyTrait, BlockCreationTrait, ConfigTestTrait, ContentTypeCreationTrait, NodeCreationTrait, PhpunitCompatibilityTrait, RandomGeneratorTrait, TestRequirementsTrait, UiHelperTrait, UserCreationTrait, XdebugRequestTrait
- class \Drupal\Tests\language\Functional\LanguageUILanguageNegotiationTest

Expanded class hierarchy of LanguageUILanguageNegotiationTest

File

core/modules/language/tests/src/Functional/LanguageUILanguageNegotiationTest.php, line 43

Namespace

Drupal\Tests\language\Functional

View source

class LanguageUILanguageNegotiationTest extends BrowserTestBase {

  /**
   * The admin user for testing.
   *
   * @var \Drupal\user\Entity\User
   */
  protected $adminUser;

  /**
   * Modules to enable.
   *
   * We marginally use interface translation functionality here, so need to use
   * the locale module instead of language only, but the 90% of the test is
   * about the negotiation process which is solely in language module.
   *
   * @var array
   */
  public static $modules = [
    'locale',
    'language_test',
    'block',
    'user',
    'content_translation',
  ];

  /**
   * {@inheritdoc}
   */
  protected $defaultTheme = 'classy';
  protected function setUp() {
    parent::setUp();
    $this->adminUser = $this
      ->drupalCreateUser([
      'administer languages',
      'translate interface',
      'access administration pages',
      'administer blocks',
    ]);
    $this
      ->drupalLogin($this->adminUser);
  }

  /**
   * Tests for language switching by URL path.
   */
  public function testUILanguageNegotiation() {

    // A few languages to switch to.
    // This one is unknown, should get the default lang version.
    $langcode_unknown = 'blah-blah';

    // For testing browser lang preference.
    $langcode_browser_fallback = 'vi';

    // For testing path prefix.
    $langcode = 'zh-hans';

    // For setting browser language preference to 'vi'.
    $http_header_browser_fallback = [
      "Accept-Language" => "{$langcode_browser_fallback};q=1",
    ];

    // For setting browser language preference to some unknown.
    $http_header_blah = [
      "Accept-Language" => "blah;q=1",
    ];

    // Create a private file for testing accessible by the admin user.
    \Drupal::service('file_system')
      ->mkdir($this->privateFilesDirectory . '/test');
    $filepath = 'private://test/private-file-test.txt';
    $contents = "file_put_contents() doesn't seem to appreciate empty strings so let's put in some data.";
    file_put_contents($filepath, $contents);
    $file = File::create([
      'uri' => $filepath,
      'uid' => $this->adminUser
        ->id(),
    ]);
    $file
      ->save();

    // Setup the site languages by installing two languages.
    // Set the default language in order for the translated string to be registered
    // into database when seen by t(). Without doing this, our target string
    // is for some reason not found when doing translate search. This might
    // be some bug.
    $default_language = \Drupal::languageManager()
      ->getDefaultLanguage();
    ConfigurableLanguage::createFromLangcode($langcode_browser_fallback)
      ->save();
    $this
      ->config('system.site')
      ->set('default_langcode', $langcode_browser_fallback)
      ->save();
    ConfigurableLanguage::createFromLangcode($langcode)
      ->save();

    // We will look for this string in the admin/config screen to see if the
    // corresponding translated string is shown.
    $default_string = 'Hide descriptions';

    // First visit this page to make sure our target string is searchable.
    $this
      ->drupalGet('admin/config');

    // Now the t()'ed string is in db so switch the language back to default.
    // This will rebuild the container so we need to rebuild the container in
    // the test environment.
    $this
      ->config('system.site')
      ->set('default_langcode', $default_language
      ->getId())
      ->save();
    $this
      ->config('language.negotiation')
      ->set('url.prefixes.en', '')
      ->save();
    $this
      ->rebuildContainer();

    // Translate the string.
    $language_browser_fallback_string = "In {$langcode_browser_fallback} In {$langcode_browser_fallback} In {$langcode_browser_fallback}";
    $language_string = "In {$langcode} In {$langcode} In {$langcode}";

    // Do a translate search of our target string.
    $search = [
      'string' => $default_string,
      'langcode' => $langcode_browser_fallback,
    ];
    $this
      ->drupalPostForm('admin/config/regional/translate', $search, t('Filter'));
    $textarea = current($this
      ->xpath('//textarea'));
    $lid = $textarea
      ->getAttribute('name');
    $edit = [
      $lid => $language_browser_fallback_string,
    ];
    $this
      ->drupalPostForm('admin/config/regional/translate', $edit, t('Save translations'));
    $search = [
      'string' => $default_string,
      'langcode' => $langcode,
    ];
    $this
      ->drupalPostForm('admin/config/regional/translate', $search, t('Filter'));
    $textarea = current($this
      ->xpath('//textarea'));
    $lid = $textarea
      ->getAttribute('name');
    $edit = [
      $lid => $language_string,
    ];
    $this
      ->drupalPostForm('admin/config/regional/translate', $edit, t('Save translations'));

    // Configure selected language negotiation to use zh-hans.
    $edit = [
      'selected_langcode' => $langcode,
    ];
    $this
      ->drupalPostForm('admin/config/regional/language/detection/selected', $edit, t('Save configuration'));
    $test = [
      'language_negotiation' => [
        LanguageNegotiationSelected::METHOD_ID,
      ],
      'path' => 'admin/config',
      'expect' => $language_string,
      'expected_method_id' => LanguageNegotiationSelected::METHOD_ID,
      'http_header' => $http_header_browser_fallback,
      'message' => 'SELECTED: UI language is switched based on selected language.',
    ];
    $this
      ->doRunTest($test);

    // An invalid language is selected.
    $this
      ->config('language.negotiation')
      ->set('selected_langcode', NULL)
      ->save();
    $test = [
      'language_negotiation' => [
        LanguageNegotiationSelected::METHOD_ID,
      ],
      'path' => 'admin/config',
      'expect' => $default_string,
      'expected_method_id' => LanguageNegotiatorInterface::METHOD_ID,
      'http_header' => $http_header_browser_fallback,
      'message' => 'SELECTED > DEFAULT: UI language is switched based on selected language.',
    ];
    $this
      ->doRunTest($test);

    // No selected language is available.
    $this
      ->config('language.negotiation')
      ->set('selected_langcode', $langcode_unknown)
      ->save();
    $test = [
      'language_negotiation' => [
        LanguageNegotiationSelected::METHOD_ID,
      ],
      'path' => 'admin/config',
      'expect' => $default_string,
      'expected_method_id' => LanguageNegotiatorInterface::METHOD_ID,
      'http_header' => $http_header_browser_fallback,
      'message' => 'SELECTED > DEFAULT: UI language is switched based on selected language.',
    ];
    $this
      ->doRunTest($test);
    $tests = [
      // Default, browser preference should have no influence.
      [
        'language_negotiation' => [
          LanguageNegotiationUrl::METHOD_ID,
          LanguageNegotiationSelected::METHOD_ID,
        ],
        'path' => 'admin/config',
        'expect' => $default_string,
        'expected_method_id' => LanguageNegotiatorInterface::METHOD_ID,
        'http_header' => $http_header_browser_fallback,
        'message' => 'URL (PATH) > DEFAULT: no language prefix, UI language is default and the browser language preference setting is not used.',
      ],
      // Language prefix.
      [
        'language_negotiation' => [
          LanguageNegotiationUrl::METHOD_ID,
          LanguageNegotiationSelected::METHOD_ID,
        ],
        'path' => "{$langcode}/admin/config",
        'expect' => $language_string,
        'expected_method_id' => LanguageNegotiationUrl::METHOD_ID,
        'http_header' => $http_header_browser_fallback,
        'message' => 'URL (PATH) > DEFAULT: with language prefix, UI language is switched based on path prefix',
      ],
      // Default, go by browser preference.
      [
        'language_negotiation' => [
          LanguageNegotiationUrl::METHOD_ID,
          LanguageNegotiationBrowser::METHOD_ID,
        ],
        'path' => 'admin/config',
        'expect' => $language_browser_fallback_string,
        'expected_method_id' => LanguageNegotiationBrowser::METHOD_ID,
        'http_header' => $http_header_browser_fallback,
        'message' => 'URL (PATH) > BROWSER: no language prefix, UI language is determined by browser language preference',
      ],
      // Prefix, switch to the language.
      [
        'language_negotiation' => [
          LanguageNegotiationUrl::METHOD_ID,
          LanguageNegotiationBrowser::METHOD_ID,
        ],
        'path' => "{$langcode}/admin/config",
        'expect' => $language_string,
        'expected_method_id' => LanguageNegotiationUrl::METHOD_ID,
        'http_header' => $http_header_browser_fallback,
        'message' => 'URL (PATH) > BROWSER: with language prefix, UI language is based on path prefix',
      ],
      // Default, browser language preference is not one of site's lang.
      [
        'language_negotiation' => [
          LanguageNegotiationUrl::METHOD_ID,
          LanguageNegotiationBrowser::METHOD_ID,
          LanguageNegotiationSelected::METHOD_ID,
        ],
        'path' => 'admin/config',
        'expect' => $default_string,
        'expected_method_id' => LanguageNegotiatorInterface::METHOD_ID,
        'http_header' => $http_header_blah,
        'message' => 'URL (PATH) > BROWSER > DEFAULT: no language prefix and browser language preference set to unknown language should use default language',
      ],
    ];
    foreach ($tests as $test) {
      $this
        ->doRunTest($test);
    }

    // Unknown language prefix should return 404.
    $definitions = \Drupal::languageManager()
      ->getNegotiator()
      ->getNegotiationMethods();

    // Enable only methods, which are either not limited to a specific language
    // type or are supporting the interface language type.
    $language_interface_method_definitions = array_filter($definitions, function ($method_definition) {
      return !isset($method_definition['types']) || isset($method_definition['types']) && in_array(LanguageInterface::TYPE_INTERFACE, $method_definition['types']);
    });
    $this
      ->config('language.types')
      ->set('negotiation.' . LanguageInterface::TYPE_INTERFACE . '.enabled', array_flip(array_keys($language_interface_method_definitions)))
      ->save();
    $this
      ->drupalGet("{$langcode_unknown}/admin/config", [], $http_header_browser_fallback);
    $this
      ->assertSession()
      ->statusCodeEquals(404);

    // Set preferred langcode for user to NULL.
    $account = $this->loggedInUser;
    $account->preferred_langcode = NULL;
    $account
      ->save();
    $test = [
      'language_negotiation' => [
        LanguageNegotiationUser::METHOD_ID,
        LanguageNegotiationSelected::METHOD_ID,
      ],
      'path' => 'admin/config',
      'expect' => $default_string,
      'expected_method_id' => LanguageNegotiatorInterface::METHOD_ID,
      'http_header' => [],
      'message' => 'USER > DEFAULT: no preferred user language setting, the UI language is default',
    ];
    $this
      ->doRunTest($test);

    // Set preferred langcode for user to default langcode.
    $account = $this->loggedInUser;
    $account->preferred_langcode = $default_language
      ->getId();
    $account
      ->save();
    $test = [
      'language_negotiation' => [
        LanguageNegotiationUser::METHOD_ID,
        LanguageNegotiationUrl::METHOD_ID,
      ],
      'path' => "{$langcode}/admin/config",
      'expect' => $default_string,
      'expected_method_id' => LanguageNegotiationUser::METHOD_ID,
      'http_header' => [],
      'message' => 'USER > URL: User has default language as preferred user language setting, the UI language is default',
    ];
    $this
      ->doRunTest($test);

    // Set preferred langcode for user to unknown language.
    $account = $this->loggedInUser;
    $account->preferred_langcode = $langcode_unknown;
    $account
      ->save();
    $test = [
      'language_negotiation' => [
        LanguageNegotiationUser::METHOD_ID,
        LanguageNegotiationSelected::METHOD_ID,
      ],
      'path' => 'admin/config',
      'expect' => $default_string,
      'expected_method_id' => LanguageNegotiatorInterface::METHOD_ID,
      'http_header' => [],
      'message' => 'USER > DEFAULT: invalid preferred user language setting, the UI language is default',
    ];
    $this
      ->doRunTest($test);

    // Set preferred langcode for user to non default.
    $account->preferred_langcode = $langcode;
    $account
      ->save();
    $test = [
      'language_negotiation' => [
        LanguageNegotiationUser::METHOD_ID,
        LanguageNegotiationSelected::METHOD_ID,
      ],
      'path' => 'admin/config',
      'expect' => $language_string,
      'expected_method_id' => LanguageNegotiationUser::METHOD_ID,
      'http_header' => [],
      'message' => 'USER > DEFAULT: defined preferred user language setting, the UI language is based on user setting',
    ];
    $this
      ->doRunTest($test);

    // Set preferred admin langcode for user to NULL.
    $account->preferred_admin_langcode = NULL;
    $account
      ->save();
    $test = [
      'language_negotiation' => [
        LanguageNegotiationUserAdmin::METHOD_ID,
        LanguageNegotiationSelected::METHOD_ID,
      ],
      'path' => 'admin/config',
      'expect' => $default_string,
      'expected_method_id' => LanguageNegotiatorInterface::METHOD_ID,
      'http_header' => [],
      'message' => 'USER ADMIN > DEFAULT: no preferred user admin language setting, the UI language is default',
    ];
    $this
      ->doRunTest($test);

    // Set preferred admin langcode for user to unknown language.
    $account->preferred_admin_langcode = $langcode_unknown;
    $account
      ->save();
    $test = [
      'language_negotiation' => [
        LanguageNegotiationUserAdmin::METHOD_ID,
        LanguageNegotiationSelected::METHOD_ID,
      ],
      'path' => 'admin/config',
      'expect' => $default_string,
      'expected_method_id' => LanguageNegotiatorInterface::METHOD_ID,
      'http_header' => [],
      'message' => 'USER ADMIN > DEFAULT: invalid preferred user admin language setting, the UI language is default',
    ];
    $this
      ->doRunTest($test);

    // Set preferred admin langcode for user to non default.
    $account->preferred_admin_langcode = $langcode;
    $account
      ->save();
    $test = [
      'language_negotiation' => [
        LanguageNegotiationUserAdmin::METHOD_ID,
        LanguageNegotiationSelected::METHOD_ID,
      ],
      'path' => 'admin/config',
      'expect' => $language_string,
      'expected_method_id' => LanguageNegotiationUserAdmin::METHOD_ID,
      'http_header' => [],
      'message' => 'USER ADMIN > DEFAULT: defined preferred user admin language setting, the UI language is based on user setting',
    ];
    $this
      ->doRunTest($test);

    // Go by session preference.
    $language_negotiation_session_param = $this
      ->randomMachineName();
    $edit = [
      'language_negotiation_session_param' => $language_negotiation_session_param,
    ];
    $this
      ->drupalPostForm('admin/config/regional/language/detection/session', $edit, t('Save configuration'));
    $tests = [
      [
        'language_negotiation' => [
          LanguageNegotiationSession::METHOD_ID,
        ],
        'path' => "admin/config",
        'expect' => $default_string,
        'expected_method_id' => LanguageNegotiatorInterface::METHOD_ID,
        'http_header' => $http_header_browser_fallback,
        'message' => 'SESSION > DEFAULT: no language given, the UI language is default',
      ],
      [
        'language_negotiation' => [
          LanguageNegotiationSession::METHOD_ID,
        ],
        'path' => 'admin/config',
        'path_options' => [
          'query' => [
            $language_negotiation_session_param => $langcode,
          ],
        ],
        'expect' => $language_string,
        'expected_method_id' => LanguageNegotiationSession::METHOD_ID,
        'http_header' => $http_header_browser_fallback,
        'message' => 'SESSION > DEFAULT: language given, UI language is determined by session language preference',
      ],
    ];
    foreach ($tests as $test) {
      $this
        ->doRunTest($test);
    }
  }
  protected function doRunTest($test) {
    $test += [
      'path_options' => [],
    ];
    if (!empty($test['language_negotiation'])) {
      $method_weights = array_flip($test['language_negotiation']);
      $this->container
        ->get('language_negotiator')
        ->saveConfiguration(LanguageInterface::TYPE_INTERFACE, $method_weights);
    }
    if (!empty($test['language_negotiation_url_part'])) {
      $this
        ->config('language.negotiation')
        ->set('url.source', $test['language_negotiation_url_part'])
        ->save();
    }
    if (!empty($test['language_test_domain'])) {
      \Drupal::state()
        ->set('language_test.domain', $test['language_test_domain']);
    }
    $this->container
      ->get('language_manager')
      ->reset();
    $this
      ->drupalGet($test['path'], $test['path_options'], $test['http_header']);
    $this
      ->assertText($test['expect'], $test['message']);
    $this
      ->assertText(t('Language negotiation method: @name', [
      '@name' => $test['expected_method_id'],
    ]));

    // Get the private file and ensure it is a 200. It is important to
    // invalidate the router cache to ensure the routing system runs a full
    // match.
    Cache::invalidateTags([
      'route_match',
    ]);
    $this
      ->drupalGet('system/files/test/private-file-test.txt');
    $this
      ->assertSession()
      ->statusCodeEquals(200);
  }

  /**
   * Test URL language detection when the requested URL has no language.
   */
  public function testUrlLanguageFallback() {

    // Add the Italian language.
    $langcode_browser_fallback = 'it';
    ConfigurableLanguage::createFromLangcode($langcode_browser_fallback)
      ->save();
    $languages = $this->container
      ->get('language_manager')
      ->getLanguages();

    // Enable the path prefix for the default language: this way any unprefixed
    // URL must have a valid fallback value.
    $edit = [
      'prefix[en]' => 'en',
    ];
    $this
      ->drupalPostForm('admin/config/regional/language/detection/url', $edit, t('Save configuration'));

    // Enable browser and URL language detection.
    $edit = [
      'language_interface[enabled][language-browser]' => TRUE,
      'language_interface[enabled][language-url]' => TRUE,
      'language_interface[weight][language-browser]' => -8,
      'language_interface[weight][language-url]' => -10,
    ];
    $this
      ->drupalPostForm('admin/config/regional/language/detection', $edit, t('Save settings'));
    $this
      ->drupalGet('admin/config/regional/language/detection');

    // Enable the language switcher block.
    $this
      ->drupalPlaceBlock('language_block:' . LanguageInterface::TYPE_INTERFACE, [
      'id' => 'test_language_block',
    ]);

    // Log out, because for anonymous users, the "active" class is set by PHP
    // (which means we can easily test it here), whereas for authenticated users
    // it is set by JavaScript.
    $this
      ->drupalLogout();

    // Place a site branding block in the header region.
    $this
      ->drupalPlaceBlock('system_branding_block', [
      'region' => 'header',
    ]);

    // Access the front page without specifying any valid URL language prefix
    // and having as browser language preference a non-default language.
    $http_header = [
      "Accept-Language" => "{$langcode_browser_fallback};q=1",
    ];
    $language = new Language([
      'id' => '',
    ]);
    $this
      ->drupalGet('', [
      'language' => $language,
    ], $http_header);

    // Check that the language switcher active link matches the given browser
    // language.
    $args = [
      ':id' => 'block-test-language-block',
      ':url' => Url::fromRoute('<front>')
        ->toString() . $langcode_browser_fallback,
    ];
    $fields = $this
      ->xpath('//div[@id=:id]//a[@class="language-link is-active" and starts-with(@href, :url)]', $args);
    $this
      ->assertSame($fields[0]
      ->getText(), $languages[$langcode_browser_fallback]
      ->getName(), 'The browser language is the URL active language');

    // Check that URLs are rewritten using the given browser language.
    $fields = $this
      ->xpath('//div[@class="site-name"]/a[@rel="home" and @href=:url]', $args);
    $this
      ->assertSame($fields[0]
      ->getText(), 'Drupal', 'URLs are rewritten using the browser language.');
  }

  /**
   * Tests URL handling when separate domains are used for multiple languages.
   */
  public function testLanguageDomain() {
    global $base_url;

    // Get the current host URI we're running on.
    $base_url_host = parse_url($base_url, PHP_URL_HOST);

    // Add the Italian language.
    ConfigurableLanguage::createFromLangcode('it')
      ->save();
    $languages = $this->container
      ->get('language_manager')
      ->getLanguages();

    // Enable browser and URL language detection.
    $edit = [
      'language_interface[enabled][language-url]' => TRUE,
      'language_interface[weight][language-url]' => -10,
    ];
    $this
      ->drupalPostForm('admin/config/regional/language/detection', $edit, t('Save settings'));

    // Do not allow blank domain.
    $edit = [
      'language_negotiation_url_part' => LanguageNegotiationUrl::CONFIG_DOMAIN,
      'domain[en]' => '',
    ];
    $this
      ->drupalPostForm('admin/config/regional/language/detection/url', $edit, t('Save configuration'));
    $this
      ->assertText('The domain may not be left blank for English', 'The form does not allow blank domains.');
    $this
      ->rebuildContainer();

    // Change the domain for the Italian language.
    $edit = [
      'language_negotiation_url_part' => LanguageNegotiationUrl::CONFIG_DOMAIN,
      'domain[en]' => $base_url_host,
      'domain[it]' => 'it.example.com',
    ];
    $this
      ->drupalPostForm('admin/config/regional/language/detection/url', $edit, t('Save configuration'));
    $this
      ->assertText('The configuration options have been saved', 'Domain configuration is saved.');
    $this
      ->rebuildContainer();

    // Try to use an invalid domain.
    $edit = [
      'language_negotiation_url_part' => LanguageNegotiationUrl::CONFIG_DOMAIN,
      'domain[en]' => $base_url_host,
      'domain[it]' => 'it.example.com/',
    ];
    $this
      ->drupalPostForm('admin/config/regional/language/detection/url', $edit, t('Save configuration'));
    $this
      ->assertRaw(t('The domain for %language may only contain the domain name, not a trailing slash, protocol and/or port.', [
      '%language' => 'Italian',
    ]));

    // Build the link we're going to test.
    $link = 'it.example.com' . rtrim(base_path(), '/') . '/admin';

    // Test URL in another language: http://it.example.com/admin.
    // Base path gives problems on the testbot, so $correct_link is hard-coded.
    // @see UrlAlterFunctionalTest::assertUrlOutboundAlter (path.test).
    $italian_url = Url::fromRoute('system.admin', [], [
      'language' => $languages['it'],
    ])
      ->toString();
    $url_scheme = \Drupal::request()
      ->isSecure() ? 'https://' : 'http://';
    $correct_link = $url_scheme . $link;
    $this
      ->assertEqual($italian_url, $correct_link, new FormattableMarkup('The right URL (@url) in accordance with the chosen language', [
      '@url' => $italian_url,
    ]));

    // Test HTTPS via options.
    $italian_url = Url::fromRoute('system.admin', [], [
      'https' => TRUE,
      'language' => $languages['it'],
    ])
      ->toString();
    $correct_link = 'https://' . $link;
    $this
      ->assertTrue($italian_url == $correct_link, new FormattableMarkup('The right HTTPS URL (via options) (@url) in accordance with the chosen language', [
      '@url' => $italian_url,
    ]));

    // Test HTTPS via current URL scheme.
    $request = Request::create('', 'GET', [], [], [], [
      'HTTPS' => 'on',
    ]);
    $this->container
      ->get('request_stack')
      ->push($request);
    $italian_url = Url::fromRoute('system.admin', [], [
      'language' => $languages['it'],
    ])
      ->toString();
    $correct_link = 'https://' . $link;
    $this
      ->assertTrue($italian_url == $correct_link, new FormattableMarkup('The right URL (via current URL scheme) (@url) in accordance with the chosen language', [
      '@url' => $italian_url,
    ]));
  }

  /**
   * Tests persistence of negotiation settings for the content language type.
   */
  public function testContentCustomization() {

    // Customize content language settings from their defaults.
    $edit = [
      'language_content[configurable]' => TRUE,
      'language_content[enabled][language-url]' => FALSE,
      'language_content[enabled][language-session]' => TRUE,
    ];
    $this
      ->drupalPostForm('admin/config/regional/language/detection', $edit, t('Save settings'));

    // Check if configurability persisted.
    $config = $this
      ->config('language.types');
    $this
      ->assertContains('language_interface', $config
      ->get('configurable'), 'Interface language is configurable.');
    $this
      ->assertContains('language_content', $config
      ->get('configurable'), 'Content language is configurable.');

    // Ensure configuration was saved.
    $this
      ->assertArrayNotHasKey('language-url', $config
      ->get('negotiation.language_content.enabled'));
    $this
      ->assertArrayHasKey('language-session', $config
      ->get('negotiation.language_content.enabled'));
  }

  /**
   * Tests if the language switcher block gets deleted when a language type has been made not configurable.
   */
  public function testDisableLanguageSwitcher() {
    $block_id = 'test_language_block';

    // Enable the language switcher block.
    $this
      ->drupalPlaceBlock('language_block:' . LanguageInterface::TYPE_CONTENT, [
      'id' => $block_id,
    ]);

    // Check if the language switcher block has been created.
    $block = Block::load($block_id);
    $this
      ->assertNotEmpty($block, 'Language switcher block was created.');

    // Make sure language_content is not configurable.
    $edit = [
      'language_content[configurable]' => FALSE,
    ];
    $this
      ->drupalPostForm('admin/config/regional/language/detection', $edit, t('Save settings'));
    $this
      ->assertSession()
      ->statusCodeEquals(200);

    // Check if the language switcher block has been removed.
    $block = Block::load($block_id);
    $this
      ->assertNull($block, 'Language switcher block was removed.');
  }

}

Members

Name	Modifiers	Type	Description	Overrides
AssertHelperTrait::castSafeStrings	protected static	function	Casts MarkupInterface objects into strings.
AssertLegacyTrait::assert	protected	function	Deprecated Scheduled for removal in Drupal 10.0.0. Use self::assertTrue() instead.
AssertLegacyTrait::assertCacheTag	protected	function	Asserts whether an expected cache tag was present in the last response.
AssertLegacyTrait::assertElementNotPresent	protected	function	Asserts that the element with the given CSS selector is not present.
AssertLegacyTrait::assertElementPresent	protected	function	Asserts that the element with the given CSS selector is present.
AssertLegacyTrait::assertEqual	protected	function	Deprecated Scheduled for removal in Drupal 10.0.0. Use self::assertEquals() instead.
AssertLegacyTrait::assertEscaped	protected	function	Passes if the raw text IS found escaped on the loaded page, fail otherwise.
AssertLegacyTrait::assertField	protected	function	Asserts that a field exists with the given name or ID.
AssertLegacyTrait::assertFieldById	protected	function	Asserts that a field exists with the given ID and value.
AssertLegacyTrait::assertFieldByName	protected	function	Asserts that a field exists with the given name and value.
AssertLegacyTrait::assertFieldByXPath	protected	function	Asserts that a field exists in the current page by the given XPath.
AssertLegacyTrait::assertFieldChecked	protected	function	Asserts that a checkbox field in the current page is checked.
AssertLegacyTrait::assertFieldsByValue	protected	function	Asserts that a field exists in the current page with a given Xpath result.
AssertLegacyTrait::assertHeader	protected	function	Checks that current response header equals value.
AssertLegacyTrait::assertIdentical	protected	function	Deprecated Scheduled for removal in Drupal 10.0.0. Use self::assertSame() instead.
AssertLegacyTrait::assertIdenticalObject	protected	function	Deprecated Scheduled for removal in Drupal 10.0.0. Use self::assertEquals() instead.
AssertLegacyTrait::assertLink	protected	function	Passes if a link with the specified label is found.
AssertLegacyTrait::assertLinkByHref	protected	function	Passes if a link containing a given href (part) is found.
AssertLegacyTrait::assertNoCacheTag	protected	function	Asserts whether an expected cache tag was absent in the last response.
AssertLegacyTrait::assertNoEscaped	protected	function	Passes if the raw text is not found escaped on the loaded page.
AssertLegacyTrait::assertNoField	protected	function	Asserts that a field does NOT exist with the given name or ID.
AssertLegacyTrait::assertNoFieldById	protected	function	Asserts that a field does not exist with the given ID and value.
AssertLegacyTrait::assertNoFieldByName	protected	function	Asserts that a field does not exist with the given name and value.
AssertLegacyTrait::assertNoFieldByXPath	protected	function	Asserts that a field does not exist or its value does not match, by XPath.
AssertLegacyTrait::assertNoFieldChecked	protected	function	Asserts that a checkbox field in the current page is not checked.
AssertLegacyTrait::assertNoLink	protected	function	Passes if a link with the specified label is not found.
AssertLegacyTrait::assertNoLinkByHref	protected	function	Passes if a link containing a given href (part) is not found.
AssertLegacyTrait::assertNoOption	protected	function	Asserts that a select option does NOT exist in the current page.
AssertLegacyTrait::assertNoPattern	protected	function	Triggers a pass if the Perl regex pattern is not found in the raw content.
AssertLegacyTrait::assertNoRaw	protected	function	Passes if the raw text IS not found on the loaded page, fail otherwise.	1
AssertLegacyTrait::assertNotEqual	protected	function	Deprecated Scheduled for removal in Drupal 10.0.0. Use self::assertNotEquals() instead.
AssertLegacyTrait::assertNoText	protected	function	Passes if the page (with HTML stripped) does not contains the text.	1
AssertLegacyTrait::assertNotIdentical	protected	function	Deprecated Scheduled for removal in Drupal 10.0.0. Use self::assertNotSame() instead.
AssertLegacyTrait::assertNoUniqueText	protected	function	Passes if the text is found MORE THAN ONCE on the text version of the page.
AssertLegacyTrait::assertOption	protected	function	Asserts that a select option in the current page exists.
AssertLegacyTrait::assertOptionByText	protected	function	Asserts that a select option with the visible text exists.
AssertLegacyTrait::assertOptionSelected	protected	function	Asserts that a select option in the current page is checked.
AssertLegacyTrait::assertPattern	protected	function	Triggers a pass if the Perl regex pattern is found in the raw content.
AssertLegacyTrait::assertRaw	protected	function	Passes if the raw text IS found on the loaded page, fail otherwise.	1
AssertLegacyTrait::assertResponse	protected	function	Asserts the page responds with the specified response code.	1
AssertLegacyTrait::assertText	protected	function	Passes if the page (with HTML stripped) contains the text.	1
AssertLegacyTrait::assertTextHelper	protected	function	Helper for assertText and assertNoText.
AssertLegacyTrait::assertTitle	protected	function	Pass if the page title is the given string.
AssertLegacyTrait::assertUniqueText	protected	function	Passes if the text is found ONLY ONCE on the text version of the page.
AssertLegacyTrait::assertUrl	protected	function	Passes if the internal browser's URL matches the given path.
AssertLegacyTrait::buildXPathQuery	protected	function	Builds an XPath query.
AssertLegacyTrait::constructFieldXpath	protected	function	Helper: Constructs an XPath for the given set of attributes and value.
AssertLegacyTrait::getAllOptions	protected	function	Get all option elements, including nested options, in a select.
AssertLegacyTrait::getRawContent	protected	function	Gets the current raw content.
AssertLegacyTrait::pass	protected	function	Deprecated Scheduled for removal in Drupal 10.0.0. Use self::assertTrue() instead.
AssertLegacyTrait::verbose	protected	function
BlockCreationTrait::placeBlock	protected	function	Creates a block instance based on default settings. Aliased as: drupalPlaceBlock
BrowserHtmlDebugTrait::$htmlOutputBaseUrl	protected	property	The Base URI to use for links to the output files.
BrowserHtmlDebugTrait::$htmlOutputClassName	protected	property	Class name for HTML output logging.
BrowserHtmlDebugTrait::$htmlOutputCounter	protected	property	Counter for HTML output logging.
BrowserHtmlDebugTrait::$htmlOutputCounterStorage	protected	property	Counter storage for HTML output logging.
BrowserHtmlDebugTrait::$htmlOutputDirectory	protected	property	Directory name for HTML output logging.
BrowserHtmlDebugTrait::$htmlOutputEnabled	protected	property	HTML output output enabled.
BrowserHtmlDebugTrait::$htmlOutputFile	protected	property	The file name to write the list of URLs to.
BrowserHtmlDebugTrait::$htmlOutputTestId	protected	property	HTML output test ID.
BrowserHtmlDebugTrait::formatHtmlOutputHeaders	protected	function	Formats HTTP headers as string for HTML output logging.
BrowserHtmlDebugTrait::getHtmlOutputHeaders	protected	function	Returns headers in HTML output format.	1
BrowserHtmlDebugTrait::htmlOutput	protected	function	Logs a HTML output message in a text file.
BrowserHtmlDebugTrait::initBrowserOutputFile	protected	function	Creates the directory to store browser output.
BrowserTestBase::$baseUrl	protected	property	The base URL.
BrowserTestBase::$configImporter	protected	property	The config importer that can be used in a test.
BrowserTestBase::$customTranslations	protected	property	An array of custom translations suitable for drupal_rewrite_settings().
BrowserTestBase::$databasePrefix	protected	property	The database prefix of this test run.
BrowserTestBase::$mink	protected	property	Mink session manager.
BrowserTestBase::$minkDefaultDriverArgs	protected	property
BrowserTestBase::$minkDefaultDriverClass	protected	property		1
BrowserTestBase::$originalContainer	protected	property	The original container.
BrowserTestBase::$originalShutdownCallbacks	protected	property	The original array of shutdown function callbacks.
BrowserTestBase::$preserveGlobalState	protected	property
BrowserTestBase::$profile	protected	property	The profile to install as a basis for testing.	39
BrowserTestBase::$root	protected	property	The app root.
BrowserTestBase::$runTestInSeparateProcess	protected	property	Browser tests are run in separate processes to prevent collisions between code that may be loaded by tests.
BrowserTestBase::$timeLimit	protected	property	Time limit in seconds for the test.
BrowserTestBase::$translationFilesDirectory	protected	property	The translation file directory for the test environment.
BrowserTestBase::cleanupEnvironment	protected	function	Clean up the Simpletest environment.
BrowserTestBase::config	protected	function	Configuration accessor for tests. Returns non-overridden configuration.
BrowserTestBase::cssSelectToXpath	protected	function	Translates a CSS expression to its XPath equivalent.
BrowserTestBase::drupalGetHeader	protected	function	Gets the value of an HTTP response header.
BrowserTestBase::drupalGetHeaders Deprecated	protected	function	Returns all response headers.
BrowserTestBase::filePreDeleteCallback	public static	function	Ensures test files are deletable.
BrowserTestBase::getDefaultDriverInstance	protected	function	Gets an instance of the default Mink driver.
BrowserTestBase::getDrupalSettings	protected	function	Gets the JavaScript drupalSettings variable for the currently-loaded page.	1
BrowserTestBase::getHttpClient	protected	function	Obtain the HTTP client for the system under test.
BrowserTestBase::getMinkDriverArgs	protected	function	Get the Mink driver args from an environment variable, if it is set. Can be overridden in a derived class so it is possible to use a different value for a subset of tests, e.g. the JavaScript tests.	1
BrowserTestBase::getOptions	protected	function	Helper function to get the options of select field.
BrowserTestBase::getResponseLogHandler	protected	function	Provides a Guzzle middleware handler to log every response received. Overrides BrowserHtmlDebugTrait::getResponseLogHandler
BrowserTestBase::getSession	public	function	Returns Mink session.
BrowserTestBase::getSessionCookies	protected	function	Get session cookies from current session.
BrowserTestBase::getTestMethodCaller	protected	function	Retrieves the current calling line in the class under test. Overrides BrowserHtmlDebugTrait::getTestMethodCaller
BrowserTestBase::initFrontPage	protected	function	Visits the front page when initializing Mink.	3
BrowserTestBase::initMink	protected	function	Initializes Mink sessions.	1
BrowserTestBase::installDrupal	public	function	Installs Drupal into the Simpletest site.	1
BrowserTestBase::registerSessions	protected	function	Registers additional Mink sessions.
BrowserTestBase::tearDown	protected	function		3
BrowserTestBase::translatePostValues	protected	function	Transforms a nested array into a flat array suitable for drupalPostForm().
BrowserTestBase::xpath	protected	function	Performs an xpath search on the contents of the internal browser.
BrowserTestBase::__construct	public	function		1
BrowserTestBase::__sleep	public	function	Prevents serializing any properties.
ConfigTestTrait::configImporter	protected	function	Returns a ConfigImporter object to import test configuration.
ConfigTestTrait::copyConfig	protected	function	Copies configuration objects from source storage to target storage.
ContentTypeCreationTrait::createContentType	protected	function	Creates a custom content type based on default settings. Aliased as: drupalCreateContentType	1
FunctionalTestSetupTrait::$apcuEnsureUniquePrefix	protected	property	The flag to set 'apcu_ensure_unique_prefix' setting.	1
FunctionalTestSetupTrait::$classLoader	protected	property	The class loader to use for installation and initialization of setup.
FunctionalTestSetupTrait::$configDirectories Deprecated	protected	property	The config directories used in this test.
FunctionalTestSetupTrait::$rootUser	protected	property	The "#1" admin user.
FunctionalTestSetupTrait::doInstall	protected	function	Execute the non-interactive installer.	1
FunctionalTestSetupTrait::getDatabaseTypes	protected	function	Returns all supported database driver installer objects.
FunctionalTestSetupTrait::initConfig	protected	function	Initialize various configurations post-installation.	2
FunctionalTestSetupTrait::initKernel	protected	function	Initializes the kernel after installation.
FunctionalTestSetupTrait::initSettings	protected	function	Initialize settings created during install.
FunctionalTestSetupTrait::initUserSession	protected	function	Initializes user 1 for the site to be installed.
FunctionalTestSetupTrait::installDefaultThemeFromClassProperty	protected	function	Installs the default theme defined by `static::$defaultTheme` when needed.
FunctionalTestSetupTrait::installModulesFromClassProperty	protected	function	Install modules defined by `static::$modules`.	1
FunctionalTestSetupTrait::installParameters	protected	function	Returns the parameters that will be used when Simpletest installs Drupal.	9
FunctionalTestSetupTrait::prepareEnvironment	protected	function	Prepares the current environment for running the test.	23
FunctionalTestSetupTrait::prepareRequestForGenerator	protected	function	Creates a mock request and sets it on the generator.
FunctionalTestSetupTrait::prepareSettings	protected	function	Prepares site settings and services before installation.	2
FunctionalTestSetupTrait::rebuildAll	protected	function	Resets and rebuilds the environment after setup.
FunctionalTestSetupTrait::rebuildContainer	protected	function	Rebuilds \Drupal::getContainer().
FunctionalTestSetupTrait::resetAll	protected	function	Resets all data structures after having enabled new modules.
FunctionalTestSetupTrait::setContainerParameter	protected	function	Changes parameters in the services.yml file.
FunctionalTestSetupTrait::setupBaseUrl	protected	function	Sets up the base URL based upon the environment variable.
FunctionalTestSetupTrait::writeSettings	protected	function	Rewrites the settings.php file of the test site.
LanguageUILanguageNegotiationTest::$adminUser	protected	property	The admin user for testing.
LanguageUILanguageNegotiationTest::$defaultTheme	protected	property	The theme to install as the default for testing. Overrides BrowserTestBase::$defaultTheme
LanguageUILanguageNegotiationTest::$modules	public static	property	Modules to enable. Overrides BrowserTestBase::$modules
LanguageUILanguageNegotiationTest::doRunTest	protected	function
LanguageUILanguageNegotiationTest::setUp	protected	function	Overrides BrowserTestBase::setUp
LanguageUILanguageNegotiationTest::testContentCustomization	public	function	Tests persistence of negotiation settings for the content language type.
LanguageUILanguageNegotiationTest::testDisableLanguageSwitcher	public	function	Tests if the language switcher block gets deleted when a language type has been made not configurable.
LanguageUILanguageNegotiationTest::testLanguageDomain	public	function	Tests URL handling when separate domains are used for multiple languages.
LanguageUILanguageNegotiationTest::testUILanguageNegotiation	public	function	Tests for language switching by URL path.
LanguageUILanguageNegotiationTest::testUrlLanguageFallback	public	function	Test URL language detection when the requested URL has no language.
NodeCreationTrait::createNode	protected	function	Creates a node based on default settings. Aliased as: drupalCreateNode
NodeCreationTrait::getNodeByTitle	public	function	Get a node from the database based on its title. Aliased as: drupalGetNodeByTitle
PhpunitCompatibilityTrait::getMock Deprecated	public	function	Returns a mock object for the specified class using the available method.
PhpunitCompatibilityTrait::setExpectedException Deprecated	public	function	Compatibility layer for PHPUnit 6 to support PHPUnit 4 code.
RandomGeneratorTrait::$randomGenerator	protected	property	The random generator.
RandomGeneratorTrait::getRandomGenerator	protected	function	Gets the random generator for the utility methods.
RandomGeneratorTrait::randomMachineName	protected	function	Generates a unique random string containing letters and numbers.	1
RandomGeneratorTrait::randomObject	public	function	Generates a random PHP object.
RandomGeneratorTrait::randomString	public	function	Generates a pseudo-random string of ASCII characters of codes 32 to 126.
RandomGeneratorTrait::randomStringValidate	public	function	Callback for random string validation.
RefreshVariablesTrait::refreshVariables	protected	function	Refreshes in-memory configuration and state information.	3
SessionTestTrait::$sessionName	protected	property	The name of the session cookie.
SessionTestTrait::generateSessionName	protected	function	Generates a session cookie name.
SessionTestTrait::getSessionName	protected	function	Returns the session name in use on the child site.
StorageCopyTrait::replaceStorageContents	protected static	function	Copy the configuration from one storage to another and remove stale items.
TestRequirementsTrait::checkModuleRequirements	private	function	Checks missing module requirements.
TestRequirementsTrait::checkRequirements	protected	function	Check module requirements for the Drupal use case.	1
TestRequirementsTrait::getDrupalRoot	protected static	function	Returns the Drupal root directory.
TestSetupTrait::$configSchemaCheckerExclusions	protected static	property	An array of config object names that are excluded from schema checking.
TestSetupTrait::$container	protected	property	The dependency injection container used in the test.
TestSetupTrait::$kernel	protected	property	The DrupalKernel instance used in the test.
TestSetupTrait::$originalSite	protected	property	The site directory of the original parent site.
TestSetupTrait::$privateFilesDirectory	protected	property	The private file directory for the test environment.
TestSetupTrait::$publicFilesDirectory	protected	property	The public file directory for the test environment.
TestSetupTrait::$siteDirectory	protected	property	The site directory of this test run.
TestSetupTrait::$strictConfigSchema	protected	property	Set to TRUE to strict check all configuration saved.	2
TestSetupTrait::$tempFilesDirectory	protected	property	The temporary file directory for the test environment.
TestSetupTrait::$testId	protected	property	The test run ID.
TestSetupTrait::changeDatabasePrefix	protected	function	Changes the database connection to the prefixed one.
TestSetupTrait::getConfigSchemaExclusions	protected	function	Gets the config schema exclusions for this test.
TestSetupTrait::getDatabaseConnection	public static	function	Returns the database connection to the site running Simpletest.
TestSetupTrait::prepareDatabasePrefix	protected	function	Generates a database prefix for running tests.	2
UiHelperTrait::$loggedInUser	protected	property	The current user logged in using the Mink controlled browser.
UiHelperTrait::$maximumMetaRefreshCount	protected	property	The number of meta refresh redirects to follow, or NULL if unlimited.
UiHelperTrait::$metaRefreshCount	protected	property	The number of meta refresh redirects followed during ::drupalGet().
UiHelperTrait::assertSession	public	function	Returns WebAssert object.	1
UiHelperTrait::buildUrl	protected	function	Builds an a absolute URL from a system path or a URL object.
UiHelperTrait::checkForMetaRefresh	protected	function	Checks for meta refresh tag and if found call drupalGet() recursively.
UiHelperTrait::click	protected	function	Clicks the element with the given CSS selector.
UiHelperTrait::clickLink	protected	function	Follows a link by complete name.
UiHelperTrait::cssSelect	protected	function	Searches elements using a CSS selector in the raw content.
UiHelperTrait::drupalGet	protected	function	Retrieves a Drupal path or an absolute path.	3
UiHelperTrait::drupalLogin	protected	function	Logs in a user using the Mink controlled browser.
UiHelperTrait::drupalLogout	protected	function	Logs a user out of the Mink controlled browser and confirms.
UiHelperTrait::drupalPostForm	protected	function	Executes a form submission.
UiHelperTrait::drupalUserIsLoggedIn	protected	function	Returns whether a given user account is logged in.
UiHelperTrait::getAbsoluteUrl	protected	function	Takes a path and returns an absolute path.
UiHelperTrait::getTextContent	protected	function	Retrieves the plain-text content from the current page.
UiHelperTrait::getUrl	protected	function	Get the current URL from the browser.
UiHelperTrait::prepareRequest	protected	function	Prepare for a request to testing site.	1
UiHelperTrait::submitForm	protected	function	Fills and submits a form.
UserCreationTrait::checkPermissions	protected	function	Checks whether a given list of permission names is valid.
UserCreationTrait::createAdminRole	protected	function	Creates an administrative role.
UserCreationTrait::createRole	protected	function	Creates a role with specified permissions. Aliased as: drupalCreateRole
UserCreationTrait::createUser	protected	function	Create a user with a given set of permissions. Aliased as: drupalCreateUser
UserCreationTrait::grantPermissions	protected	function	Grant permissions to a user role.
UserCreationTrait::setCurrentUser	protected	function	Switch the current logged in user.
UserCreationTrait::setUpCurrentUser	protected	function	Creates a random user account and sets it as current user.
XdebugRequestTrait::extractCookiesFromRequest	protected	function	Adds xdebug cookies, from request setup.

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class LanguageUILanguageNegotiationTest in Drupal 8

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