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();
}