class TimestampItemNormalizerTest

class TimestampItemNormalizerTest extends UnitTestCase {
    
    /**
     * @var \Drupal\serialization\Normalizer\TimestampItemNormalizer
     */
    protected $normalizer;
    
    /**
     * The test TimestampItem.
     *
     * @var \Drupal\Core\Field\Plugin\Field\FieldType\TimestampItem
     */
    protected $item;
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() {
        parent::setUp();
        $this->normalizer = new TimestampItemNormalizer();
    }
    
    /**
     * @covers ::supportsNormalization
     */
    public function testSupportsNormalization() {
        $timestamp_item = $this->createTimestampItemProphecy();
        $this->assertTrue($this->normalizer
            ->supportsNormalization($timestamp_item->reveal()));
        $entity_ref_item = $this->prophesize(EntityReferenceItem::class);
        $this->assertFalse($this->normalizer
            ->supportsNormalization($entity_ref_item->reveal()));
    }
    
    /**
     * @covers ::supportsDenormalization
     */
    public function testSupportsDenormalization() {
        $timestamp_item = $this->createTimestampItemProphecy();
        $this->assertTrue($this->normalizer
            ->supportsDenormalization($timestamp_item->reveal(), TimestampItem::class));
        // CreatedItem extends regular TimestampItem.
        $timestamp_item = $this->prophesize(CreatedItem::class);
        $this->assertTrue($this->normalizer
            ->supportsDenormalization($timestamp_item->reveal(), TimestampItem::class));
        $entity_ref_item = $this->prophesize(EntityReferenceItem::class);
        $this->assertFalse($this->normalizer
            ->supportsNormalization($entity_ref_item->reveal(), TimestampItem::class));
    }
    
    /**
     * @covers ::normalize
     * @see \Drupal\Tests\serialization\Unit\Normalizer\TimestampNormalizerTest
     */
    public function testNormalize() {
        // Mock TimestampItem @FieldType, which contains a Timestamp @DataType,
        // which has a DataDefinition.
        $data_definition = $this->prophesize(DataDefinitionInterface::class);
        $data_definition->isInternal()
            ->willReturn(FALSE)
            ->shouldBeCalled();
        $timestamp = $this->prophesize(Timestamp::class);
        $timestamp->getDataDefinition()
            ->willReturn($data_definition->reveal())
            ->shouldBeCalled();
        $timestamp = $timestamp->reveal();
        $timestamp_item = $this->createTimestampItemProphecy();
        $timestamp_item->getProperties(TRUE)
            ->willReturn([
            'value' => $timestamp,
        ])
            ->shouldBeCalled();
        // Mock Serializer service, to assert that the Timestamp @DataType
        // normalizer would be called.
        $timestamp_datetype_normalization = $this->randomMachineName();
        $serializer_prophecy = $this->prophesize(Serializer::class);
        // This is where \Drupal\serialization\Normalizer\TimestampNormalizer would
        // be called.
        $serializer_prophecy->normalize($timestamp, NULL, [])
            ->willReturn($timestamp_datetype_normalization)
            ->shouldBeCalled();
        $this->normalizer
            ->setSerializer($serializer_prophecy->reveal());
        $normalized = $this->normalizer
            ->normalize($timestamp_item->reveal());
        $this->assertSame([
            'value' => $timestamp_datetype_normalization,
            'format' => \DateTime::RFC3339,
        ], $normalized);
    }
    
    /**
     * @covers ::denormalize
     */
    public function testDenormalize() {
        $timestamp_item_normalization = [
            'value' => $this->randomMachineName(),
            'format' => \DateTime::RFC3339,
        ];
        $timestamp_data_denormalization = $this->randomMachineName();
        $timestamp_item = $this->createTimestampItemProphecy();
        // The field item should get the Timestamp @DataType denormalization set as
        // a value, in FieldItemNormalizer::denormalize().
        $timestamp_item->setValue([
            'value' => $timestamp_data_denormalization,
        ])
            ->shouldBeCalled();
        // Avoid a static method call by returning dummy serialized property data.
        $field_definition = $this->prophesize(FieldDefinitionInterface::class);
        $timestamp_item->getFieldDefinition()
            ->willReturn($field_definition->reveal())
            ->shouldBeCalled();
        $timestamp_item->getPluginDefinition()
            ->willReturn([
            'serialized_property_names' => [
                'foo' => 'bar',
            ],
        ])
            ->shouldBeCalled();
        $entity = $this->prophesize(EntityInterface::class);
        $entity_type = $this->prophesize(EntityTypeInterface::class);
        $entity->getEntityType()
            ->willReturn($entity_type->reveal())
            ->shouldBeCalled();
        $timestamp_item->getEntity()
            ->willReturn($entity->reveal())
            ->shouldBeCalled();
        $context = [
            'target_instance' => $timestamp_item->reveal(),
            'datetime_allowed_formats' => [
                \DateTime::RFC3339,
            ],
        ];
        // Mock Serializer service, to assert that the Timestamp @DataType
        // denormalizer would be called.
        $serializer_prophecy = $this->prophesize(Serializer::class);
        // This is where \Drupal\serialization\Normalizer\TimestampNormalizer would
        // be called.
        $serializer_prophecy->denormalize($timestamp_item_normalization['value'], Timestamp::class, NULL, $context)
            ->willReturn($timestamp_data_denormalization)
            ->shouldBeCalled();
        $this->normalizer
            ->setSerializer($serializer_prophecy->reveal());
        $denormalized = $this->normalizer
            ->denormalize($timestamp_item_normalization, TimestampItem::class, NULL, $context);
        $this->assertInstanceOf(TimestampItem::class, $denormalized);
    }
    
    /**
     * Creates a TimestampItem prophecy.
     *
     * @return \Prophecy\Prophecy\ObjectProphecy|\Drupal\Core\Field\Plugin\Field\FieldType\TimestampItem
     */
    protected function createTimestampItemProphecy() {
        $timestamp_item = $this->prophesize(TimestampItem::class);
        $timestamp_item->getParent()
            ->willReturn(TRUE);
        return $timestamp_item;
    }

}