class OverridesSectionStorageTest in Drupal 8

@coversDefaultClass \Drupal\layout_builder\Plugin\SectionStorage\OverridesSectionStorage

@group layout_builder

Hierarchy

• class \Drupal\Tests\UnitTestCase extends \PHPUnit\Framework\TestCase uses PhpunitCompatibilityTrait
  • class \Drupal\Tests\layout_builder\Unit\OverridesSectionStorageTest

File

core/modules/layout_builder/tests/src/Unit/OverridesSectionStorageTest.php, line 26

Namespace

Drupal\Tests\layout_builder\Unit

class OverridesSectionStorageTest extends UnitTestCase {

  /**
   * The plugin.
   *
   * @var \Drupal\layout_builder\Plugin\SectionStorage\OverridesSectionStorage
   */
  protected $plugin;

  /**
   * The entity type manager.
   *
   * @var \Drupal\Core\Entity\EntityTypeManagerInterface
   */
  protected $entityTypeManager;

  /**
   * The entity field manager.
   *
   * @var \Drupal\Core\Entity\EntityFieldManagerInterface
   */
  protected $entityFieldManager;

  /**
   * The entity repository.
   *
   * @var \Drupal\Core\Entity\EntityRepositoryInterface
   */
  protected $entityRepository;

  /**
   * {@inheritdoc}
   */
  protected function setUp() {
    parent::setUp();
    $this->entityTypeManager = $this
      ->prophesize(EntityTypeManagerInterface::class);
    $this->entityFieldManager = $this
      ->prophesize(EntityFieldManagerInterface::class);
    $section_storage_manager = $this
      ->prophesize(SectionStorageManagerInterface::class);
    $this->entityRepository = $this
      ->prophesize(EntityRepositoryInterface::class);
    $account = $this
      ->prophesize(AccountInterface::class);
    $definition = new SectionStorageDefinition([
      'id' => 'overrides',
      'class' => OverridesSectionStorage::class,
    ]);
    $this->plugin = new OverridesSectionStorage([], 'overrides', $definition, $this->entityTypeManager
      ->reveal(), $this->entityFieldManager
      ->reveal(), $section_storage_manager
      ->reveal(), $this->entityRepository
      ->reveal(), $account
      ->reveal());
  }

  /**
   * @covers ::extractIdFromRoute
   *
   * @dataProvider providerTestExtractIdFromRoute
   *
   * @expectedDeprecation \Drupal\layout_builder\SectionStorageInterface::extractIdFromRoute() is deprecated in Drupal 8.7.0 and will be removed before Drupal 9.0.0. \Drupal\layout_builder\SectionStorageInterface::deriveContextsFromRoute() should be used instead. See https://www.drupal.org/node/3016262.
   *
   * @group legacy
   */
  public function testExtractIdFromRoute($expected, $value, array $defaults) {
    $result = $this->plugin
      ->extractIdFromRoute($value, [], 'the_parameter_name', $defaults);
    $this
      ->assertSame($expected, $result);
  }

  /**
   * Provides data for ::testExtractIdFromRoute().
   */
  public function providerTestExtractIdFromRoute() {
    $data = [];
    $data['with value, with layout'] = [
      'my_entity_type.entity_with_layout',
      'my_entity_type.entity_with_layout',
      [],
    ];
    $data['with value, without layout'] = [
      NULL,
      'my_entity_type',
      [],
    ];
    $data['empty value, populated defaults'] = [
      'my_entity_type.entity_with_layout',
      '',
      [
        'entity_type_id' => 'my_entity_type',
        'my_entity_type' => 'entity_with_layout',
      ],
    ];
    $data['empty value, empty defaults'] = [
      NULL,
      '',
      [],
    ];
    return $data;
  }

  /**
   * @covers ::getSectionListFromId
   *
   * @dataProvider providerTestGetSectionListFromId
   *
   * @expectedDeprecation \Drupal\layout_builder\SectionStorageInterface::getSectionListFromId() is deprecated in Drupal 8.7.0 and will be removed before Drupal 9.0.0. The section list should be derived from context. See https://www.drupal.org/node/3016262.
   *
   * @group legacy
   */
  public function testGetSectionListFromId($success, $expected_entity_type_id, $id) {
    $defaults['the_parameter_name'] = $id;
    if ($expected_entity_type_id) {
      $entity_without_layout = $this
        ->prophesize(FieldableEntityInterface::class);
      $entity_without_layout
        ->hasField(OverridesSectionStorage::FIELD_NAME)
        ->willReturn(FALSE);
      $entity_without_layout
        ->get(OverridesSectionStorage::FIELD_NAME)
        ->shouldNotBeCalled();
      $this->entityRepository
        ->getActive('my_entity_type', 'entity_without_layout')
        ->willReturn($entity_without_layout
        ->reveal());
      $entity_with_layout = $this
        ->prophesize(FieldableEntityInterface::class);
      $entity_with_layout
        ->hasField(OverridesSectionStorage::FIELD_NAME)
        ->willReturn(TRUE);
      $entity_with_layout
        ->get(OverridesSectionStorage::FIELD_NAME)
        ->willReturn('the_return_value');
      $this->entityRepository
        ->getActive('my_entity_type', 'entity_with_layout')
        ->willReturn($entity_with_layout
        ->reveal());
      $entity_type = new EntityType([
        'id' => $expected_entity_type_id,
      ]);
      $this->entityTypeManager
        ->getDefinition($expected_entity_type_id)
        ->willReturn($entity_type);
    }
    else {
      $this->entityTypeManager
        ->getStorage(Argument::any())
        ->shouldNotBeCalled();
      $this->entityTypeManager
        ->getDefinition(Argument::any())
        ->shouldNotBeCalled();
    }
    if (!$success) {
      $this
        ->expectException(\InvalidArgumentException::class);
    }
    $result = $this->plugin
      ->getSectionListFromId($id);
    if ($success) {
      $this
        ->assertEquals('the_return_value', $result);
    }
  }

  /**
   * Provides data for ::testGetSectionListFromId().
   */
  public function providerTestGetSectionListFromId() {
    $data = [];
    $data['with value, with layout'] = [
      TRUE,
      'my_entity_type',
      'my_entity_type.entity_with_layout',
    ];
    $data['with value, without layout'] = [
      FALSE,
      'my_entity_type',
      'my_entity_type.entity_without_layout',
    ];
    $data['empty value, empty defaults'] = [
      FALSE,
      NULL,
      '',
    ];
    return $data;
  }

  /**
   * @covers ::extractEntityFromRoute
   *
   * @dataProvider providerTestExtractEntityFromRoute
   *
   * @param bool $success
   *   Whether a successful result is expected.
   * @param string|null $expected_entity_type_id
   *   The expected entity type ID.
   * @param string $value
   *   The value to pass to ::extractEntityFromRoute().
   * @param array $defaults
   *   The defaults to pass to ::extractEntityFromRoute().
   */
  public function testExtractEntityFromRoute($success, $expected_entity_type_id, $value, array $defaults) {
    if ($expected_entity_type_id) {
      $entity_without_layout = $this
        ->prophesize(FieldableEntityInterface::class);
      $entity_without_layout
        ->hasField(OverridesSectionStorage::FIELD_NAME)
        ->willReturn(FALSE);
      $this->entityRepository
        ->getActive($expected_entity_type_id, 'entity_without_layout')
        ->willReturn($entity_without_layout
        ->reveal());
      $entity_with_layout = $this
        ->prophesize(FieldableEntityInterface::class);
      $entity_with_layout
        ->hasField(OverridesSectionStorage::FIELD_NAME)
        ->willReturn(TRUE);
      $this->entityRepository
        ->getActive($expected_entity_type_id, 'entity_with_layout')
        ->willReturn($entity_with_layout
        ->reveal());
      $entity_type = new EntityType([
        'id' => $expected_entity_type_id,
      ]);
      $this->entityTypeManager
        ->getDefinition($expected_entity_type_id)
        ->willReturn($entity_type);
    }
    else {
      $this->entityRepository
        ->getActive(Argument::any())
        ->shouldNotBeCalled();
    }
    $method = new \ReflectionMethod($this->plugin, 'extractEntityFromRoute');
    $method
      ->setAccessible(TRUE);
    $result = $method
      ->invoke($this->plugin, $value, $defaults);
    if ($success) {
      $this
        ->assertInstanceOf(FieldableEntityInterface::class, $result);
    }
    else {
      $this
        ->assertNull($result);
    }
  }

  /**
   * Provides data for ::testExtractEntityFromRoute().
   */
  public function providerTestExtractEntityFromRoute() {

    // Data provider values are:
    // - whether a successful result is expected
    // - the expected entity ID
    // - the value to pass to ::extractEntityFromRoute()
    // - the defaults to pass to ::extractEntityFromRoute().
    $data = [];
    $data['with value, with layout'] = [
      TRUE,
      'my_entity_type',
      'my_entity_type.entity_with_layout',
      [],
    ];
    $data['with value, without layout'] = [
      FALSE,
      'my_entity_type',
      'my_entity_type.entity_without_layout',
      [],
    ];
    $data['empty value, populated defaults'] = [
      TRUE,
      'my_entity_type',
      '',
      [
        'entity_type_id' => 'my_entity_type',
        'my_entity_type' => 'entity_with_layout',
      ],
    ];
    $data['empty value, empty defaults'] = [
      FALSE,
      NULL,
      '',
      [],
    ];
    return $data;
  }

  /**
   * @covers ::buildRoutes
   * @covers ::hasIntegerId
   * @covers ::getEntityTypes
   * @covers \Drupal\layout_builder\Routing\LayoutBuilderRoutesTrait::buildLayoutRoutes
   */
  public function testBuildRoutes() {
    $entity_types = [];
    $not_fieldable = $this
      ->prophesize(EntityTypeInterface::class);
    $not_fieldable
      ->entityClassImplements(FieldableEntityInterface::class)
      ->willReturn(FALSE);
    $entity_types['not_fieldable'] = $not_fieldable
      ->reveal();
    $no_layout_builder_form = $this
      ->prophesize(EntityTypeInterface::class);
    $no_layout_builder_form
      ->entityClassImplements(FieldableEntityInterface::class)
      ->willReturn(TRUE);
    $no_layout_builder_form
      ->hasHandlerClass('form', 'layout_builder')
      ->willReturn(FALSE);
    $entity_types['no_layout_builder_form'] = $no_layout_builder_form
      ->reveal();
    $this->entityFieldManager
      ->getFieldStorageDefinitions('no_layout_builder_form')
      ->shouldNotBeCalled();
    $no_view_builder = $this
      ->prophesize(EntityTypeInterface::class);
    $no_view_builder
      ->entityClassImplements(FieldableEntityInterface::class)
      ->willReturn(TRUE);
    $no_view_builder
      ->hasViewBuilderClass()
      ->willReturn(FALSE);
    $no_view_builder
      ->hasHandlerClass('form', 'layout_builder')
      ->willReturn(TRUE);
    $entity_types['no_view_builder'] = $no_view_builder
      ->reveal();
    $no_canonical_link = $this
      ->prophesize(EntityTypeInterface::class);
    $no_canonical_link
      ->entityClassImplements(FieldableEntityInterface::class)
      ->willReturn(TRUE);
    $no_canonical_link
      ->hasViewBuilderClass()
      ->willReturn(TRUE);
    $no_canonical_link
      ->hasLinkTemplate('canonical')
      ->willReturn(FALSE);
    $no_canonical_link
      ->hasHandlerClass('form', 'layout_builder')
      ->willReturn(TRUE);
    $entity_types['no_canonical_link'] = $no_canonical_link
      ->reveal();
    $this->entityFieldManager
      ->getFieldStorageDefinitions('no_canonical_link')
      ->shouldNotBeCalled();
    $canonical_link_no_route = $this
      ->prophesize(EntityTypeInterface::class);
    $canonical_link_no_route
      ->entityClassImplements(FieldableEntityInterface::class)
      ->willReturn(TRUE);
    $canonical_link_no_route
      ->hasViewBuilderClass()
      ->willReturn(TRUE);
    $canonical_link_no_route
      ->hasLinkTemplate('canonical')
      ->willReturn(TRUE);
    $canonical_link_no_route
      ->getLinkTemplate('canonical')
      ->willReturn('/entity/{entity}');
    $canonical_link_no_route
      ->hasHandlerClass('form', 'layout_builder')
      ->willReturn(TRUE);
    $entity_types['canonical_link_no_route'] = $canonical_link_no_route
      ->reveal();
    $this->entityFieldManager
      ->getFieldStorageDefinitions('canonical_link_no_route')
      ->shouldNotBeCalled();
    $from_canonical = $this
      ->prophesize(EntityTypeInterface::class);
    $from_canonical
      ->entityClassImplements(FieldableEntityInterface::class)
      ->willReturn(TRUE);
    $from_canonical
      ->hasViewBuilderClass()
      ->willReturn(TRUE);
    $from_canonical
      ->hasLinkTemplate('canonical')
      ->willReturn(TRUE);
    $from_canonical
      ->getLinkTemplate('canonical')
      ->willReturn('/entity/{entity}');
    $from_canonical
      ->hasHandlerClass('form', 'layout_builder')
      ->willReturn(TRUE);
    $entity_types['from_canonical'] = $from_canonical
      ->reveal();
    $with_string_id = $this
      ->prophesize(EntityTypeInterface::class);
    $with_string_id
      ->entityClassImplements(FieldableEntityInterface::class)
      ->willReturn(TRUE);
    $with_string_id
      ->hasViewBuilderClass()
      ->willReturn(TRUE);
    $with_string_id
      ->hasLinkTemplate('canonical')
      ->willReturn(TRUE);
    $with_string_id
      ->getLinkTemplate('canonical')
      ->willReturn('/entity/{entity}');
    $with_string_id
      ->hasHandlerClass('form', 'layout_builder')
      ->willReturn(TRUE);
    $with_string_id
      ->id()
      ->willReturn('with_string_id');
    $with_string_id
      ->getKey('id')
      ->willReturn('id');
    $entity_types['with_string_id'] = $with_string_id
      ->reveal();
    $string_id = $this
      ->prophesize(FieldStorageDefinitionInterface::class);
    $string_id
      ->getType()
      ->willReturn('string');
    $this->entityFieldManager
      ->getFieldStorageDefinitions('with_string_id')
      ->willReturn([
      'id' => $string_id
        ->reveal(),
    ]);
    $with_integer_id = $this
      ->prophesize(EntityTypeInterface::class);
    $with_integer_id
      ->entityClassImplements(FieldableEntityInterface::class)
      ->willReturn(TRUE);
    $with_integer_id
      ->hasViewBuilderClass()
      ->willReturn(TRUE);
    $with_integer_id
      ->hasLinkTemplate('canonical')
      ->willReturn(TRUE);
    $with_integer_id
      ->getLinkTemplate('canonical')
      ->willReturn('/entity/{entity}');
    $with_integer_id
      ->hasHandlerClass('form', 'layout_builder')
      ->willReturn(TRUE);
    $with_integer_id
      ->id()
      ->willReturn('with_integer_id');
    $with_integer_id
      ->getKey('id')
      ->willReturn('id');
    $entity_types['with_integer_id'] = $with_integer_id
      ->reveal();
    $integer_id = $this
      ->prophesize(FieldStorageDefinitionInterface::class);
    $integer_id
      ->getType()
      ->willReturn('integer');
    $this->entityFieldManager
      ->getFieldStorageDefinitions('with_integer_id')
      ->willReturn([
      'id' => $integer_id
        ->reveal(),
    ]);
    $this->entityTypeManager
      ->getDefinitions()
      ->willReturn($entity_types);
    $expected = [
      'entity.from_canonical.canonical' => new Route('/entity/{entity}', [], [
        'custom requirement' => 'from_canonical_route',
      ]),
      'entity.with_string_id.canonical' => new Route('/entity/{entity}'),
      'entity.with_integer_id.canonical' => new Route('/entity/{entity}', [], [
        'with_integer_id' => '\\d+',
      ]),
      'layout_builder.overrides.from_canonical.view' => new Route('/entity/{entity}/layout', [
        'entity_type_id' => 'from_canonical',
        'section_storage_type' => 'overrides',
        'section_storage' => '',
        '_entity_form' => 'from_canonical.layout_builder',
        '_title_callback' => '\\Drupal\\layout_builder\\Controller\\LayoutBuilderController::title',
      ], [
        '_layout_builder_access' => 'view',
        'custom requirement' => 'from_canonical_route',
      ], [
        'parameters' => [
          'section_storage' => [
            'layout_builder_tempstore' => TRUE,
          ],
          'from_canonical' => [
            'type' => 'entity:from_canonical',
          ],
        ],
        '_layout_builder' => TRUE,
      ]),
      'layout_builder.overrides.from_canonical.discard_changes' => new Route('/entity/{entity}/layout/discard-changes', [
        'entity_type_id' => 'from_canonical',
        'section_storage_type' => 'overrides',
        'section_storage' => '',
        '_form' => '\\Drupal\\layout_builder\\Form\\DiscardLayoutChangesForm',
      ], [
        '_layout_builder_access' => 'view',
        'custom requirement' => 'from_canonical_route',
      ], [
        'parameters' => [
          'section_storage' => [
            'layout_builder_tempstore' => TRUE,
          ],
          'from_canonical' => [
            'type' => 'entity:from_canonical',
          ],
        ],
        '_layout_builder' => TRUE,
      ]),
      'layout_builder.overrides.from_canonical.revert' => new Route('/entity/{entity}/layout/revert', [
        'entity_type_id' => 'from_canonical',
        'section_storage_type' => 'overrides',
        'section_storage' => '',
        '_form' => '\\Drupal\\layout_builder\\Form\\RevertOverridesForm',
      ], [
        '_layout_builder_access' => 'view',
        'custom requirement' => 'from_canonical_route',
      ], [
        'parameters' => [
          'section_storage' => [
            'layout_builder_tempstore' => TRUE,
          ],
          'from_canonical' => [
            'type' => 'entity:from_canonical',
          ],
        ],
        '_layout_builder' => TRUE,
      ]),
      'layout_builder.overrides.with_string_id.view' => new Route('/entity/{entity}/layout', [
        'entity_type_id' => 'with_string_id',
        'section_storage_type' => 'overrides',
        'section_storage' => '',
        '_title_callback' => '\\Drupal\\layout_builder\\Controller\\LayoutBuilderController::title',
        '_entity_form' => 'with_string_id.layout_builder',
      ], [
        '_layout_builder_access' => 'view',
      ], [
        'parameters' => [
          'section_storage' => [
            'layout_builder_tempstore' => TRUE,
          ],
          'with_string_id' => [
            'type' => 'entity:with_string_id',
          ],
        ],
        '_layout_builder' => TRUE,
      ]),
      'layout_builder.overrides.with_string_id.discard_changes' => new Route('/entity/{entity}/layout/discard-changes', [
        'entity_type_id' => 'with_string_id',
        'section_storage_type' => 'overrides',
        'section_storage' => '',
        '_form' => '\\Drupal\\layout_builder\\Form\\DiscardLayoutChangesForm',
      ], [
        '_layout_builder_access' => 'view',
      ], [
        'parameters' => [
          'section_storage' => [
            'layout_builder_tempstore' => TRUE,
          ],
          'with_string_id' => [
            'type' => 'entity:with_string_id',
          ],
        ],
        '_layout_builder' => TRUE,
      ]),
      'layout_builder.overrides.with_string_id.revert' => new Route('/entity/{entity}/layout/revert', [
        'entity_type_id' => 'with_string_id',
        'section_storage_type' => 'overrides',
        'section_storage' => '',
        '_form' => '\\Drupal\\layout_builder\\Form\\RevertOverridesForm',
      ], [
        '_layout_builder_access' => 'view',
      ], [
        'parameters' => [
          'section_storage' => [
            'layout_builder_tempstore' => TRUE,
          ],
          'with_string_id' => [
            'type' => 'entity:with_string_id',
          ],
        ],
        '_layout_builder' => TRUE,
      ]),
      'layout_builder.overrides.with_integer_id.view' => new Route('/entity/{entity}/layout', [
        'entity_type_id' => 'with_integer_id',
        'section_storage_type' => 'overrides',
        'section_storage' => '',
        '_title_callback' => '\\Drupal\\layout_builder\\Controller\\LayoutBuilderController::title',
        '_entity_form' => 'with_integer_id.layout_builder',
      ], [
        '_layout_builder_access' => 'view',
        'with_integer_id' => '\\d+',
      ], [
        'parameters' => [
          'section_storage' => [
            'layout_builder_tempstore' => TRUE,
          ],
          'with_integer_id' => [
            'type' => 'entity:with_integer_id',
          ],
        ],
        '_layout_builder' => TRUE,
      ]),
      'layout_builder.overrides.with_integer_id.discard_changes' => new Route('/entity/{entity}/layout/discard-changes', [
        'entity_type_id' => 'with_integer_id',
        'section_storage_type' => 'overrides',
        'section_storage' => '',
        '_form' => '\\Drupal\\layout_builder\\Form\\DiscardLayoutChangesForm',
      ], [
        '_layout_builder_access' => 'view',
        'with_integer_id' => '\\d+',
      ], [
        'parameters' => [
          'section_storage' => [
            'layout_builder_tempstore' => TRUE,
          ],
          'with_integer_id' => [
            'type' => 'entity:with_integer_id',
          ],
        ],
        '_layout_builder' => TRUE,
      ]),
      'layout_builder.overrides.with_integer_id.revert' => new Route('/entity/{entity}/layout/revert', [
        'entity_type_id' => 'with_integer_id',
        'section_storage_type' => 'overrides',
        'section_storage' => '',
        '_form' => '\\Drupal\\layout_builder\\Form\\RevertOverridesForm',
      ], [
        '_layout_builder_access' => 'view',
        'with_integer_id' => '\\d+',
      ], [
        'parameters' => [
          'section_storage' => [
            'layout_builder_tempstore' => TRUE,
          ],
          'with_integer_id' => [
            'type' => 'entity:with_integer_id',
          ],
        ],
        '_layout_builder' => TRUE,
      ]),
    ];
    $collection = new RouteCollection();

    // Entity types that declare a link template for canonical must have a
    // canonical route present in the route collection.
    $collection
      ->add('entity.from_canonical.canonical', $expected['entity.from_canonical.canonical']);
    $collection
      ->add('entity.with_string_id.canonical', $expected['entity.with_string_id.canonical']);
    $collection
      ->add('entity.with_integer_id.canonical', $expected['entity.with_integer_id.canonical']);
    $this->plugin
      ->buildRoutes($collection);
    $this
      ->assertEquals($expected, $collection
      ->all());
    $this
      ->assertSame(array_keys($expected), array_keys($collection
      ->all()));
  }

}

Members

Name	Modifiers	Type	Description	Overrides
OverridesSectionStorageTest::$entityFieldManager	protected	property	The entity field manager.
OverridesSectionStorageTest::$entityRepository	protected	property	The entity repository.
OverridesSectionStorageTest::$entityTypeManager	protected	property	The entity type manager.
OverridesSectionStorageTest::$plugin	protected	property	The plugin.
OverridesSectionStorageTest::providerTestExtractEntityFromRoute	public	function	Provides data for ::testExtractEntityFromRoute().
OverridesSectionStorageTest::providerTestExtractIdFromRoute	public	function	Provides data for ::testExtractIdFromRoute().
OverridesSectionStorageTest::providerTestGetSectionListFromId	public	function	Provides data for ::testGetSectionListFromId().
OverridesSectionStorageTest::setUp	protected	function	Overrides UnitTestCase::setUp
OverridesSectionStorageTest::testBuildRoutes	public	function	@covers ::buildRoutes @covers ::hasIntegerId @covers ::getEntityTypes @covers \Drupal\layout_builder\Routing\LayoutBuilderRoutesTrait::buildLayoutRoutes
OverridesSectionStorageTest::testExtractEntityFromRoute	public	function	@covers ::extractEntityFromRoute
OverridesSectionStorageTest::testExtractIdFromRoute	public	function	@covers ::extractIdFromRoute
OverridesSectionStorageTest::testGetSectionListFromId	public	function	@covers ::getSectionListFromId
PhpunitCompatibilityTrait::getMock Deprecated	public	function	Returns a mock object for the specified class using the available method.
PhpunitCompatibilityTrait::setExpectedException Deprecated	public	function	Compatibility layer for PHPUnit 6 to support PHPUnit 4 code.
UnitTestCase::$randomGenerator	protected	property	The random generator.
UnitTestCase::$root	protected	property	The app root.	1
UnitTestCase::assertArrayEquals	protected	function	Asserts if two arrays are equal by sorting them first.
UnitTestCase::getBlockMockWithMachineName Deprecated	protected	function	Mocks a block with a block plugin.	1
UnitTestCase::getClassResolverStub	protected	function	Returns a stub class resolver.
UnitTestCase::getConfigFactoryStub	public	function	Returns a stub config factory that behaves according to the passed array.
UnitTestCase::getConfigStorageStub	public	function	Returns a stub config storage that returns the supplied configuration.
UnitTestCase::getContainerWithCacheTagsInvalidator	protected	function	Sets up a container with a cache tags invalidator.
UnitTestCase::getRandomGenerator	protected	function	Gets the random generator for the utility methods.
UnitTestCase::getStringTranslationStub	public	function	Returns a stub translation manager that just returns the passed string.
UnitTestCase::randomMachineName	public	function	Generates a unique random string containing letters and numbers.