class TypedDataNormalizerTest

class TypedDataNormalizerTest extends UnitTestCase {
    
    /**
     * The TypedDataNormalizer instance.
     *
     * @var \Drupal\serialization\Normalizer\TypedDataNormalizer
     */
    protected $normalizer;
    
    /**
     * The mock typed data instance.
     *
     * @var \Drupal\Core\TypedData\TypedDataInterface|\PHPUnit\Framework\MockObject\MockObject
     */
    protected $typedData;
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        $this->normalizer = new TypedDataNormalizer();
        $this->typedData = $this->createMock('Drupal\\Core\\TypedData\\TypedDataInterface');
    }
    
    /**
     * Tests the supportsNormalization() method.
     */
    public function testSupportsNormalization() {
        $this->assertTrue($this->normalizer
            ->supportsNormalization($this->typedData));
        // Also test that an object not implementing TypedDataInterface fails.
        $this->assertFalse($this->normalizer
            ->supportsNormalization(new \stdClass()));
    }
    
    /**
     * Tests the normalize() method.
     */
    public function testNormalize() {
        $this->typedData
            ->expects($this->once())
            ->method('getValue')
            ->willReturn('test');
        $this->assertEquals('test', $this->normalizer
            ->normalize($this->typedData));
    }

}