function LocaleUpdateTest::testEnableLanguage

Tests automatic translation import when a language is added.

When a language is added, the system will check for translations files of enabled modules and will import them. When a language is removed the system will remove all translations of that language from the database.

File

core/modules/locale/tests/src/Functional/LocaleUpdateTest.php, line 366

Class

LocaleUpdateTest

Tests for updating the interface translations of projects.

Namespace

Code

public function testEnableLanguage() : void {
    // Make the hidden test modules look like a normal custom module.
    \Drupal::state()->set('locale.test_system_info_alter', TRUE);
    // Enable a module.
    $edit = [
        'modules[locale_test_translate][enable]' => 'locale_test_translate',
    ];
    $this->drupalGet('admin/modules');
    $this->submitForm($edit, 'Install');
    // Check if there is no Dutch translation yet.
    $this->assertTranslation('Extraday', '', 'nl');
    // cSpell:disable-next-line
    $this->assertTranslation('Tuesday', 'Dienstag', 'de');
    // Add a language.
    $edit = [
        'predefined_langcode' => 'nl',
    ];
    $this->drupalGet('admin/config/regional/language/add');
    $this->submitForm($edit, 'Add language');
    // Check if the right number of translations are added.
    $this->assertSession()
        ->pageTextContains("One translation file imported. 8 translations were added, 0 translations were updated and 0 translations were removed.");
    // cSpell:disable-next-line
    $this->assertTranslation('Extra day', 'extra dag', 'nl');
    // Check if the language data is added to the database.
    $connection = Database::getConnection();
    $result = $connection->select('locale_file', 'lf')
        ->fields('lf', [
        'project',
    ])
        ->condition('langcode', 'nl')
        ->execute()
        ->fetchField();
    $this->assertNotEmpty($result, 'Files added to file history');
    // Remove a language.
    $this->drupalGet('admin/config/regional/language/delete/nl');
    $this->submitForm([], 'Delete');
    // Check if the language data is removed from the database.
    $result = $connection->select('locale_file', 'lf')
        ->fields('lf', [
        'project',
    ])
        ->condition('langcode', 'nl')
        ->execute()
        ->fetchField();
    $this->assertFalse($result, 'Files removed from file history');
    // Check that the Dutch translation is gone.
    $this->assertTranslation('Extra day', '', 'nl');
    // cSpell:disable-next-line
    $this->assertTranslation('Tuesday', 'Dienstag', 'de');
}