function ExtensionExistsConstraintValidatorTest::testValidation

Tests the ExtensionExists constraint validator.

File

core/tests/Drupal/KernelTests/Core/Extension/ExtensionExistsConstraintValidatorTest.php, line 28

Class

ExtensionExistsConstraintValidatorTest

Tests the ExtensionExists constraint validator.

Namespace

Code

public function testValidation() : void {
  // Create a data definition that specifies the value must be a string with
  // the name of an installed module.
  $definition = DataDefinition::create('string')->addConstraint('ExtensionExists', 'module');
  /** @var \Drupal\Core\TypedData\TypedDataManagerInterface $typed_data */
  $typed_data = $this->container
    ->get('typed_data_manager');
  // `core` provides many plugins without the need to install a module.
  $data = $typed_data->create($definition, 'core');
  $violations = $data->validate();
  $this->assertCount(0, $violations);
  $data->setValue('user');
  $violations = $data->validate();
  $this->assertCount(1, $violations);
  $this->assertSame("Module 'user' is not installed.", (string) $violations->get(0)
    ->getMessage());
  $this->enableModules([
    'user',
  ]);
  $this->assertCount(0, $data->validate());
  // NULL should not trigger a validation error: a value may be nullable.
  $data->setValue(NULL);
  $this->assertCount(0, $data->validate());
  $definition->setConstraints([
    'ExtensionExists' => 'theme',
  ]);
  $data = $typed_data->create($definition, 'stark');
  $violations = $data->validate();
  $this->assertCount(1, $violations);
  $this->assertSame("Theme 'stark' is not installed.", (string) $violations->get(0)
    ->getMessage());
  $this->assertTrue($this->container
    ->get('theme_installer')
    ->install([
    'stark',
  ]));
  // Installing the theme rebuilds the container, so we need to ensure the
  // constraint is instantiated with an up-to-date theme handler.
  $data = $this->container
    ->get('kernel')
    ->getContainer()
    ->get('typed_data_manager')
    ->create($definition, 'stark');
  $this->assertCount(0, $data->validate());
  // `core` provides many plugins without the need to install a module, but it
  // does not work for themes.
  $data = $typed_data->create($definition, 'core');
  $violations = $data->validate();
  $this->assertCount(1, $violations);
  $this->assertSame("Theme 'core' is not installed.", (string) $violations->get(0)
    ->getMessage());
  // NULL should not trigger a validation error: a value may be nullable.
  $data->setValue(NULL);
  $this->assertCount(0, $data->validate());
  // Anything but a module or theme should raise an exception.
  $definition->setConstraints([
    'ExtensionExists' => 'profile',
  ]);
  $this->expectExceptionMessage("Unknown extension type: 'profile'");
  $data->validate();
}