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');
}