function TypedDataDefinitionTest::testDataReferences

Tests deriving metadata from data references.

File

core/tests/Drupal/KernelTests/Core/TypedData/TypedDataDefinitionTest.php, line 92

Class

TypedDataDefinitionTest

Tests deriving metadata of core data types.

Namespace

Code

public function testDataReferences() : void {
    $language_reference_definition = DataReferenceDefinition::create('language');
    $this->assertInstanceOf(DataReferenceDefinitionInterface::class, $language_reference_definition);
    // Test retrieving metadata about the referenced data.
    $this->assertEquals('language', $language_reference_definition->getTargetDefinition()
        ->getDataType());
    // Test using the definition factory.
    $language_reference_definition2 = $this->typedDataManager
        ->createDataDefinition('language_reference');
    $this->assertInstanceOf(DataReferenceDefinitionInterface::class, $language_reference_definition2);
    $this->assertEquals(serialize($language_reference_definition2), serialize($language_reference_definition));
}