class LanguageConditionTest

class LanguageConditionTest extends KernelTestBase {
  
  /**
   * The condition plugin manager.
   *
   * @var \Drupal\Core\Condition\ConditionManager
   */
  protected $manager;
  
  /**
   * The language manager.
   *
   * @var \Drupal\Core\Language\LanguageManagerInterface
   */
  protected $languageManager;
  
  /**
   * {@inheritdoc}
   */
  protected static $modules = [
    'system',
    'language',
  ];
  
  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    parent::setUp();
    $this->installConfig([
      'language',
    ]);
    // Setup Italian.
    ConfigurableLanguage::createFromLangcode('it')->save();
    $this->manager = $this->container
      ->get('plugin.manager.condition');
  }
  
  /**
   * Tests the language condition.
   */
  public function testConditions() : void {
    // Grab the language condition and configure it to check the content
    // language.
    $language = \Drupal::languageManager()->getLanguage('en');
    $condition = $this->manager
      ->createInstance('language')
      ->setConfig('langcodes', [
      'en' => 'en',
      'it' => 'it',
    ])
      ->setContextValue('language', $language);
    $this->assertTrue($condition->execute(), 'Language condition passes as expected.');
    // Check for the proper summary.
    $this->assertEquals('The language is English, Italian.', $condition->summary());
    // Change to Italian only.
    $condition->setConfig('langcodes', [
      'it' => 'it',
    ]);
    $this->assertFalse($condition->execute(), 'Language condition fails as expected.');
    // Check for the proper summary.
    $this->assertEquals('The language is Italian.', $condition->summary());
    // Negate the condition
    $condition->setConfig('negate', TRUE);
    $this->assertTrue($condition->execute(), 'Language condition passes as expected.');
    // Check for the proper summary.
    $this->assertEquals('The language is not Italian.', $condition->summary());
    // Change the default language to Italian.
    $language = \Drupal::languageManager()->getLanguage('it');
    $condition = $this->manager
      ->createInstance('language')
      ->setConfig('langcodes', [
      'en' => 'en',
      'it' => 'it',
    ])
      ->setContextValue('language', $language);
    $this->assertTrue($condition->execute(), 'Language condition passes as expected.');
    // Check for the proper summary.
    $this->assertEquals('The language is English, Italian.', $condition->summary());
    // Change to Italian only.
    $condition->setConfig('langcodes', [
      'it' => 'it',
    ]);
    $this->assertTrue($condition->execute(), 'Language condition passes as expected.');
    // Check for the proper summary.
    $this->assertEquals('The language is Italian.', $condition->summary());
    // Negate the condition
    $condition->setConfig('negate', TRUE);
    $this->assertFalse($condition->execute(), 'Language condition fails as expected.');
    // Check for the proper summary.
    $this->assertEquals('The language is not Italian.', $condition->summary());
  }

}