function LanguageBrowserDetectionTest::testUIBrowserLanguageMappings

Tests mappings between browser language codes and Drupal language codes.

File

core/modules/language/tests/src/Functional/LanguageBrowserDetectionTest.php, line 30

Class

LanguageBrowserDetectionTest

Tests browser language detection.

Namespace

Code

public function testUIBrowserLanguageMappings() : void {
    // User to manage languages.
    $admin_user = $this->drupalCreateUser([
        'administer languages',
        'access administration pages',
    ]);
    $this->drupalLogin($admin_user);
    // Check that the configure link exists.
    $this->drupalGet('admin/config/regional/language/detection');
    $this->assertSession()
        ->linkByHrefExists('admin/config/regional/language/detection/browser');
    // Check that defaults are loaded from language.mappings.yml.
    $this->drupalGet('admin/config/regional/language/detection/browser');
    $this->assertSession()
        ->fieldValueEquals('edit-mappings-zh-cn-browser-langcode', 'zh-cn');
    $this->assertSession()
        ->fieldValueEquals('edit-mappings-zh-cn-drupal-langcode', 'zh-hans');
    // Delete zh-cn language code.
    $browser_langcode = 'zh-cn';
    $this->drupalGet('admin/config/regional/language/detection/browser/delete/' . $browser_langcode);
    $this->assertSession()
        ->pageTextContains("Are you sure you want to delete {$browser_langcode}?");
    // Confirm the delete.
    $edit = [];
    $this->drupalGet('admin/config/regional/language/detection/browser/delete/' . $browser_langcode);
    $this->submitForm($edit, 'Confirm');
    $this->assertSession()
        ->statusMessageContains("The mapping for the {$browser_langcode} browser language code has been deleted.", 'status');
    // Check we went back to the browser negotiation mapping overview.
    $this->assertSession()
        ->addressEquals(Url::fromRoute('language.negotiation_browser'));
    // Check that Chinese browser language code no longer exists.
    $this->assertSession()
        ->fieldNotExists('edit-mappings-zh-cn-browser-langcode');
    // Add a new custom mapping.
    $edit = [
        'new_mapping[browser_langcode]' => 'xx',
        'new_mapping[drupal_langcode]' => 'en',
    ];
    $this->drupalGet('admin/config/regional/language/detection/browser');
    $this->submitForm($edit, 'Save configuration');
    $this->assertSession()
        ->addressEquals(Url::fromRoute('language.negotiation_browser'));
    $this->assertSession()
        ->fieldValueEquals('edit-mappings-xx-browser-langcode', 'xx');
    $this->assertSession()
        ->fieldValueEquals('edit-mappings-xx-drupal-langcode', 'en');
    // Add the same custom mapping again.
    $this->drupalGet('admin/config/regional/language/detection/browser');
    $this->submitForm($edit, 'Save configuration');
    $this->assertSession()
        ->statusMessageContains('Browser language codes must be unique.', 'error');
    // Change browser language code of our custom mapping to zh-sg.
    $edit = [
        'mappings[xx][browser_langcode]' => 'zh-sg',
        'mappings[xx][drupal_langcode]' => 'en',
    ];
    $this->drupalGet('admin/config/regional/language/detection/browser');
    $this->submitForm($edit, 'Save configuration');
    $this->assertSession()
        ->statusMessageContains('Browser language codes must be unique.', 'error');
    // Change Drupal language code of our custom mapping to zh-hans.
    $edit = [
        'mappings[xx][browser_langcode]' => 'xx',
        'mappings[xx][drupal_langcode]' => 'zh-hans',
    ];
    $this->drupalGet('admin/config/regional/language/detection/browser');
    $this->submitForm($edit, 'Save configuration');
    $this->assertSession()
        ->addressEquals(Url::fromRoute('language.negotiation_browser'));
    $this->assertSession()
        ->fieldValueEquals('edit-mappings-xx-browser-langcode', 'xx');
    $this->assertSession()
        ->fieldValueEquals('edit-mappings-xx-drupal-langcode', 'zh-hans');
}