function ConfigExistsConstraintValidatorTest::testValidation

Tests the ConfigExists constraint validator.

@testWith [{}, "system.site", "system.site"] [{"prefix": "system."}, "site", "system.site"]

File

core/tests/Drupal/KernelTests/Core/Config/ConfigExistsConstraintValidatorTest.php, line 32

Class

ConfigExistsConstraintValidatorTest

Tests the ConfigExists constraint validator.

Namespace

Code

public function testValidation(array $constraint_options, string $value, string $expected_config_name) : void {
    // Create a data definition that specifies the value must be a string with
    // the name of an existing piece of config.
    $definition = DataDefinition::create('string')->addConstraint('ConfigExists', $constraint_options);
    
    /** @var \Drupal\Core\TypedData\TypedDataManagerInterface $typed_data */
    $typed_data = $this->container
        ->get('typed_data_manager');
    $data = $typed_data->create($definition, $value);
    $violations = $data->validate();
    $this->assertCount(1, $violations);
    $this->assertSame("The '{$expected_config_name}' config does not exist.", (string) $violations->get(0)
        ->getMessage());
    $this->installConfig('system');
    $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());
}