function LanguageConfigurationTest::testLanguageConfiguration

Functional tests for adding, editing and deleting languages.

File

core/modules/language/tests/src/Functional/LanguageConfigurationTest.php, line 32

Class

LanguageConfigurationTest

Adds and configures languages to check negotiation changes.

Namespace

Code

public function testLanguageConfiguration() : void {
    // Ensure the after installing the language module the weight of the English
    // language is still 0.
    $this->assertEquals(0, ConfigurableLanguage::load('en')->getWeight(), 'The English language has a weight of 0.');
    // User to add and remove language.
    $admin_user = $this->drupalCreateUser([
        'administer languages',
        'access administration pages',
    ]);
    $this->drupalLogin($admin_user);
    // Check if the Default English language has no path prefix.
    $this->drupalGet('admin/config/regional/language/detection/url');
    $this->assertSession()
        ->fieldValueEquals("prefix[en]", '');
    // Check that Add language is a primary button.
    $this->drupalGet('admin/config/regional/language/add');
    $button = $this->assertSession()
        ->buttonExists('Add language');
    $this->assertTrue($button->hasClass("button--primary"));
    // Add predefined language.
    $edit = [
        'predefined_langcode' => 'fr',
    ];
    $this->submitForm($edit, 'Add language');
    $this->assertSession()
        ->pageTextContains('French');
    $this->assertSession()
        ->addressEquals(Url::fromRoute('entity.configurable_language.collection'));
    // Langcode for Languages is always 'en'.
    $language = $this->config('language.entity.fr')
        ->get();
    $this->assertEquals('en', $language['langcode']);
    // Check if the Default English language has no path prefix.
    $this->drupalGet('admin/config/regional/language/detection/url');
    $this->assertSession()
        ->fieldValueEquals("prefix[en]", '');
    // Check if French has a path prefix.
    $this->drupalGet('admin/config/regional/language/detection/url');
    $this->assertSession()
        ->fieldValueEquals("prefix[fr]", 'fr');
    // Check if we can change the default language.
    $this->drupalGet('admin/config/regional/language');
    $this->assertSession()
        ->checkboxChecked('edit-site-default-language-en');
    // Change the default language.
    $edit = [
        'site_default_language' => 'fr',
    ];
    $this->submitForm($edit, 'Save configuration');
    $this->rebuildContainer();
    $this->assertSession()
        ->checkboxChecked('edit-site-default-language-fr');
    $this->assertSession()
        ->addressEquals(Url::fromRoute('entity.configurable_language.collection', [], [
        'langcode' => 'fr',
    ]));
    // Check if a valid language prefix is added after changing the default
    // language.
    $this->drupalGet('admin/config/regional/language/detection/url');
    $this->assertSession()
        ->fieldValueEquals("prefix[en]", 'en');
    // Check if French still has a path prefix.
    $this->drupalGet('admin/config/regional/language/detection/url');
    $this->assertSession()
        ->fieldValueEquals("prefix[fr]", 'fr');
    // Check that prefix can be changed.
    $edit = [
        'prefix[fr]' => 'french',
    ];
    $this->submitForm($edit, 'Save configuration');
    $this->assertSession()
        ->fieldValueEquals("prefix[fr]", 'french');
    // Check that the prefix can be removed.
    $edit = [
        'prefix[fr]' => '',
    ];
    $this->submitForm($edit, 'Save configuration');
    $this->assertSession()
        ->statusMessageNotContains('The prefix may only be left blank for the selected detection fallback language.');
    // Change default negotiation language.
    $this->config('language.negotiation')
        ->set('selected_langcode', 'fr')
        ->save();
    // Check that the prefix of a language that is not the negotiation one
    // cannot be changed to empty string.
    $edit = [
        'prefix[en]' => '',
    ];
    $this->submitForm($edit, 'Save configuration');
    $this->assertSession()
        ->statusMessageContains('The prefix may only be left blank for the selected detection fallback language.', 'error');
    // Check that prefix cannot be changed to contain a slash.
    $edit = [
        'prefix[en]' => 'foo/bar',
    ];
    $this->submitForm($edit, 'Save configuration');
    $this->assertSession()
        ->statusMessageContains('The prefix may not contain a slash.', 'error');
    // Remove English language and add a new Language to check if langcode of
    // Language entity is 'en'.
    $this->drupalGet('admin/config/regional/language/delete/en');
    $this->submitForm([], 'Delete');
    $this->rebuildContainer();
    $this->assertSession()
        ->statusMessageContains('The English (en) language has been removed.', 'status');
    // Ensure that French language has a weight of 1 after being created through
    // the UI.
    $french = ConfigurableLanguage::load('fr');
    $this->assertEquals(1, $french->getWeight(), 'The French language has a weight of 1.');
    // Ensure that French language can now have a weight of 0.
    $french->setWeight(0)
        ->save();
    $this->assertEquals(0, $french->getWeight(), 'The French language has a weight of 0.');
    // Ensure that new languages created through the API get a weight of 0.
    $afrikaans = ConfigurableLanguage::createFromLangcode('af');
    $afrikaans->save();
    $this->assertEquals(0, $afrikaans->getWeight(), 'The Afrikaans language has a weight of 0.');
    // Ensure that a new language can be created with any weight.
    $arabic = ConfigurableLanguage::createFromLangcode('ar');
    $arabic->setWeight(4)
        ->save();
    $this->assertEquals(4, $arabic->getWeight(), 'The Arabic language has a weight of 0.');
    $edit = [
        'predefined_langcode' => 'de',
    ];
    $this->drupalGet('admin/config/regional/language/add');
    $this->submitForm($edit, 'Add language');
    $language = $this->config('language.entity.de')
        ->get();
    $this->assertEquals('fr', $language['langcode']);
    // Ensure that German language has a weight of 5 after being created through
    // the UI.
    $french = ConfigurableLanguage::load('de');
    $this->assertEquals(5, $french->getWeight(), 'The German language has a weight of 5.');
}