class FieldStorageConfigEntityUnitTest

class FieldStorageConfigEntityUnitTest extends UnitTestCase {
  
  /**
   * The entity type manager used for testing.
   *
   * @var \Drupal\Core\Entity\EntityTypeManagerInterface|\PHPUnit\Framework\MockObject\MockObject
   */
  protected $entityTypeManager;
  
  /**
   * The ID of the type of the entity under test.
   *
   * @var string
   */
  protected $entityTypeId;
  
  /**
   * The UUID generator used for testing.
   *
   * @var \Drupal\Component\Uuid\UuidInterface|\PHPUnit\Framework\MockObject\MockObject
   */
  protected $uuid;
  
  /**
   * The field type manager.
   *
   * @var \Drupal\Core\Field\FieldTypePluginManagerInterface|\PHPUnit\Framework\MockObject\MockObject
   */
  protected $fieldTypeManager;
  
  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    parent::setUp();
    $this->entityTypeManager = $this->createMock(EntityTypeManagerInterface::class);
    $this->uuid = $this->createMock('\\Drupal\\Component\\Uuid\\UuidInterface');
    $this->fieldTypeManager = $this->createMock(FieldTypePluginManagerInterface::class);
    $container = new ContainerBuilder();
    $container->set('entity_type.manager', $this->entityTypeManager);
    $container->set('uuid', $this->uuid);
    $container->set('plugin.manager.field.field_type', $this->fieldTypeManager);
    \Drupal::setContainer($container);
  }
  
  /**
   * @covers ::calculateDependencies
   */
  public function testCalculateDependencies() : void {
    // Create a mock entity type for FieldStorageConfig.
    $fieldStorageConfigentityType = $this->createMock('\\Drupal\\Core\\Config\\Entity\\ConfigEntityTypeInterface');
    $fieldStorageConfigentityType->expects($this->any())
      ->method('getProvider')
      ->willReturn('field');
    // Create a mock entity type to attach the field to.
    $attached_entity_type_id = $this->randomMachineName();
    $attached_entity_type = $this->createMock('\\Drupal\\Core\\Entity\\EntityTypeInterface');
    $attached_entity_type->expects($this->any())
      ->method('getProvider')
      ->willReturn('entity_provider_module');
    // Get definition is called three times. Twice in
    // ConfigEntityBase::addDependency() to get the provider of the field config
    // entity type and once in FieldStorageConfig::calculateDependencies() to
    // get the provider of the entity type that field is attached to.
    $this->entityTypeManager
      ->expects($this->any())
      ->method('getDefinition')
      ->willReturnMap([
      [
        'field_storage_config',
        TRUE,
        $fieldStorageConfigentityType,
      ],
      [
        $attached_entity_type_id,
        TRUE,
        $attached_entity_type,
      ],
    ]);
    $this->fieldTypeManager
      ->expects($this->atLeastOnce())
      ->method('getDefinition')
      ->with('test_field_type', FALSE)
      ->willReturn([
      'class' => TestFieldType::class,
    ]);
    $field_storage = new FieldStorageConfig([
      'entity_type' => $attached_entity_type_id,
      'field_name' => 'test_field',
      'type' => 'test_field_type',
      'module' => 'test_module',
    ]);
    $dependencies = $field_storage->calculateDependencies()
      ->getDependencies();
    $this->assertEquals([
      'entity_provider_module',
      'entity_test',
      'test_module',
    ], $dependencies['module']);
    $this->assertEquals([
      'stark',
    ], $dependencies['theme']);
  }
  
  /**
   * Tests stored cardinality.
   *
   * @covers ::getCardinality
   */
  public function testStoredCardinality() : void {
    $this->fieldTypeManager
      ->expects($this->any())
      ->method('getDefinition')
      ->with('test_field_type')
      ->willReturn([
      'class' => TestFieldType::class,
      // The field type definition has no enforced cardinality.
'cardinality' => NULL,
    ]);
    $field_storage = new FieldStorageConfig([
      'entity_type' => 'entity_test',
      'field_name' => 'test_field',
      'type' => 'test_field_type',
      'module' => 'test_module',
    ]);
    $field_storage->setCardinality(8);
    // Check that the stored cardinality is returned.
    $this->assertEquals(8, $field_storage->getCardinality());
  }
  
  /**
   * Tests enforced cardinality.
   *
   * @covers ::getCardinality
   */
  public function testEnforcedCardinality() : void {
    $this->fieldTypeManager
      ->expects($this->any())
      ->method('getDefinition')
      ->with('test_field_type')
      ->willReturn([
      'class' => TestFieldType::class,
      // This field type defines an enforced cardinality.
'cardinality' => 21,
    ]);
    $field_storage = new FieldStorageConfig([
      'entity_type' => 'entity_test',
      'field_name' => 'test_field',
      'type' => 'test_field_type',
      'module' => 'test_module',
    ]);
    // Custom cardinality tentative.
    $field_storage->setCardinality(8);
    // Check that the enforced cardinality is returned.
    $this->assertEquals(21, $field_storage->getCardinality());
  }
  
  /**
   * Tests invalid enforced cardinality.
   *
   * @param mixed $enforced_cardinality
   *   Enforced cardinality.
   *
   * @covers ::getCardinality
   * @dataProvider providerInvalidEnforcedCardinality
   */
  public function testInvalidEnforcedCardinality($enforced_cardinality) : void {
    $this->fieldTypeManager
      ->expects($this->any())
      ->method('getDefinition')
      ->with('test_field_type')
      ->willReturn([
      'class' => TestFieldType::class,
      'cardinality' => $enforced_cardinality,
    ]);
    $field_storage = new FieldStorageConfig([
      'entity_type' => 'entity_test',
      'field_name' => 'test_field',
      'type' => 'test_field_type',
      'module' => 'test_module',
    ]);
    $this->expectException(FieldException::class);
    $this->expectExceptionMessage("Invalid enforced cardinality '{$enforced_cardinality}'. Allowed values: a positive integer or -1.");
    $field_storage->getCardinality();
  }
  
  /**
   * Data provider for ::testInvalidEnforcedCardinality()
   *
   * @return array
   *   Test cases.
   */
  public static function providerInvalidEnforcedCardinality() {
    return [
      'zero' => [
        0,
      ],
      'negative_other_than_-1' => [
        -70,
      ],
      'non_numeric' => [
        'abc%$#@!',
      ],
    ];
  }

}