function PluginExistsConstraintValidatorTest::testValidation

Tests validation of plugin existence.

File

core/tests/Drupal/KernelTests/Core/Plugin/PluginExistsConstraintValidatorTest.php, line 31

Class

PluginExistsConstraintValidatorTest

@group Plugin @group Validation

Namespace

Code

public function testValidation() : void {
  $definition = DataDefinition::create('string')->addConstraint('PluginExists', 'plugin.manager.action');
  // An existing action plugin should pass validation.
  $data = $this->container
    ->get('typed_data_manager')
    ->create($definition);
  $data->setValue('action_test_save_entity');
  $this->assertCount(0, $data->validate());
  // It should also pass validation if we check for an interface it actually
  // implements.
  $definition->setConstraints([
    'PluginExists' => [
      'manager' => 'plugin.manager.action',
      'interface' => ActionInterface::class,
    ],
  ]);
  $this->assertCount(0, $data->validate());
  // A non-existent plugin should be invalid, regardless of interface.
  $data->setValue('non_existent_plugin');
  $violations = $data->validate();
  $this->assertCount(1, $violations);
  $this->assertSame("The 'non_existent_plugin' plugin does not exist.", (string) $violations->get(0)
    ->getMessage());
  // An existing plugin that doesn't implement the specified interface should
  // raise an error.
  $definition->setConstraints([
    'PluginExists' => [
      'manager' => 'plugin.manager.action',
      'interface' => MenuInterface::class,
    ],
  ]);
  $data->setValue('action_test_save_entity');
  $violations = $data->validate();
  $this->assertCount(1, $violations);
  $this->assertSame("The 'action_test_save_entity' plugin must implement or extend " . MenuInterface::class . '.', (string) $violations->get(0)
    ->getMessage());
  // No validation is attempted on a NULL value.
  $data->setValue(NULL);
  $violations = $data->validate();
  $this->assertCount(0, $violations);
}