function ConfigEntityValidationTestBase::testLangcode

Tests that the config entity's langcode is validated.

File

core/tests/Drupal/KernelTests/Core/Config/ConfigEntityValidationTestBase.php, line 419

Class

ConfigEntityValidationTestBase

Base class for testing validation of config entities.

Namespace

Code

public function testLangcode() : void {
  $this->entity
    ->set('langcode', NULL);
  $this->assertValidationErrors([
    'langcode' => 'This value should not be null.',
  ]);
  // A langcode from the standard list should always be acceptable.
  $standard_languages = LanguageManager::getStandardLanguageList();
  $this->assertNotEmpty($standard_languages);
  $this->entity
    ->set('langcode', key($standard_languages));
  $this->assertValidationErrors([]);
  // All special, internal langcodes should be acceptable.
  $system_langcodes = [
    LanguageInterface::LANGCODE_NOT_SPECIFIED,
    LanguageInterface::LANGCODE_NOT_APPLICABLE,
    LanguageInterface::LANGCODE_DEFAULT,
    LanguageInterface::LANGCODE_SITE_DEFAULT,
    LanguageInterface::LANGCODE_SYSTEM,
  ];
  foreach ($system_langcodes as $langcode) {
    $this->entity
      ->set('langcode', $langcode);
    $this->assertValidationErrors([]);
  }
  // An invalid langcode should be unacceptable, even if it "looks" right.
  $fake_langcode = 'definitely-not-a-language';
  $this->assertArrayNotHasKey($fake_langcode, LanguageReference::getAllValidLangcodes());
  $this->entity
    ->set('langcode', $fake_langcode);
  $this->assertValidationErrors([
    'langcode' => 'The value you selected is not a valid choice.',
  ]);
  // If a new configurable language is created with a non-standard langcode,
  // it should be acceptable.
  $this->enableModules([
    'language',
  ]);
  // The language doesn't exist yet, so it shouldn't be a valid choice.
  $this->entity
    ->set('langcode', 'kthxbai');
  $this->assertValidationErrors([
    'langcode' => 'The value you selected is not a valid choice.',
  ]);
  // Once we create the language, it should be a valid choice.
  ConfigurableLanguage::createFromLangcode('kthxbai')->save();
  $this->assertValidationErrors([]);
}