class ListNormalizerTest

class ListNormalizerTest extends UnitTestCase {
    
    /**
     * The ListNormalizer instance.
     *
     * @var \Drupal\serialization\Normalizer\ListNormalizer
     */
    protected $normalizer;
    
    /**
     * The mock list instance.
     *
     * @var \Drupal\Core\TypedData\ListInterface|\PHPUnit\Framework\MockObject\MockObject
     */
    protected $list;
    
    /**
     * The expected list values to use for testing.
     *
     * @var array
     */
    protected $expectedListValues = [
        'test',
        'test',
        'test',
    ];
    
    /**
     * The mocked typed data.
     *
     * @var \PHPUnit\Framework\MockObject\MockObject|\Drupal\Core\TypedData\TypedDataInterface
     */
    protected $typedData;
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        // Mock the TypedDataManager to return a TypedDataInterface mock.
        $this->typedData = $this->createMock('Drupal\\Core\\TypedData\\TypedDataInterface');
        $typed_data_manager = $this->createMock(TypedDataManagerInterface::class);
        $typed_data_manager->expects($this->any())
            ->method('getPropertyInstance')
            ->willReturn($this->typedData);
        // Set up a mock container as ItemList() will call for the 'typed_data_manager'
        // service.
        $container = $this->getMockBuilder('Symfony\\Component\\DependencyInjection\\ContainerBuilder')
            ->onlyMethods([
            'get',
        ])
            ->getMock();
        $container->expects($this->any())
            ->method('get')
            ->with($this->equalTo('typed_data_manager'))
            ->willReturn($typed_data_manager);
        \Drupal::setContainer($container);
        $this->normalizer = new ListNormalizer();
        $this->list = new ItemList(new DataDefinition());
        $this->list
            ->setValue($this->expectedListValues);
    }
    
    /**
     * Tests the supportsNormalization() method.
     */
    public function testSupportsNormalization() {
        $this->assertTrue($this->normalizer
            ->supportsNormalization($this->list));
        $this->assertFalse($this->normalizer
            ->supportsNormalization(new \stdClass()));
    }
    
    /**
     * Tests the normalize() method.
     */
    public function testNormalize() {
        $serializer = $this->prophesize(Serializer::class);
        $serializer->normalize($this->typedData, 'json', [
            'mu' => 'nu',
        ])
            ->shouldBeCalledTimes(3)
            ->willReturn('test');
        $this->normalizer
            ->setSerializer($serializer->reveal());
        $normalized = $this->normalizer
            ->normalize($this->list, 'json', [
            'mu' => 'nu',
        ]);
        $this->assertEquals($this->expectedListValues, $normalized);
    }

}