public function LocaleUpdateTest::testEnableLanguage in Drupal 8

Same name and namespace in other branches

1. 9 core/modules/locale/tests/src/Functional/LocaleUpdateTest.php \Drupal\Tests\locale\Functional\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 335

Class

LocaleUpdateTest

Tests for updating the interface translations of projects.

Namespace

Drupal\Tests\locale\Functional

Code

public function testEnableLanguage() {

  // 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
    ->drupalPostForm('admin/modules', $edit, t('Install'));

  // Check if there is no Dutch translation yet.
  $this
    ->assertTranslation('Extraday', '', 'nl');
  $this
    ->assertTranslation('Tuesday', 'Dienstag', 'de');

  // Add a language.
  $edit = [
    'predefined_langcode' => 'nl',
  ];
  $this
    ->drupalPostForm('admin/config/regional/language/add', $edit, t('Add language'));

  // Check if the right number of translations are added.
  $this
    ->assertRaw(t('One translation file imported. %number translations were added, %update translations were updated and %delete translations were removed.', [
    '%number' => 8,
    '%update' => 0,
    '%delete' => 0,
  ]), 'One language added.');
  $this
    ->assertTranslation('Extraday', '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
    ->drupalPostForm('admin/config/regional/language/delete/nl', [], t('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('Extraday', '', 'nl');
  $this
    ->assertTranslation('Tuesday', 'Dienstag', 'de');
}