class PrimitiveDataNormalizerTest

class PrimitiveDataNormalizerTest extends UnitTestCase {
    
    /**
     * The TypedDataNormalizer instance.
     *
     * @var \Drupal\serialization\Normalizer\TypedDataNormalizer
     */
    protected $normalizer;
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        $this->normalizer = new PrimitiveDataNormalizer();
    }
    
    /**
     * @covers ::supportsNormalization
     * @dataProvider dataProviderPrimitiveData
     */
    public function testSupportsNormalization($primitive_data, $expected) {
        $this->assertTrue($this->normalizer
            ->supportsNormalization($primitive_data));
    }
    
    /**
     * @covers ::supportsNormalization
     */
    public function testSupportsNormalizationFail() {
        // Test that an object not implementing PrimitiveInterface fails.
        $this->assertFalse($this->normalizer
            ->supportsNormalization(new \stdClass()));
    }
    
    /**
     * @covers ::normalize
     * @dataProvider dataProviderPrimitiveData
     */
    public function testNormalize($primitive_data, $expected) {
        $this->assertSame($expected, $this->normalizer
            ->normalize($primitive_data));
    }
    
    /**
     * Data provider for testNormalize().
     */
    public function dataProviderPrimitiveData() {
        $data = [];
        $definition = DataDefinition::createFromDataType('string');
        $string = new StringData($definition, 'string');
        $string->setValue('test');
        $data['string'] = [
            $string,
            'test',
        ];
        $definition = DataDefinition::createFromDataType('string');
        $string = new StringData($definition, 'string');
        $string->setValue(NULL);
        $data['string-null'] = [
            $string,
            NULL,
        ];
        $definition = DataDefinition::createFromDataType('integer');
        $integer = new IntegerData($definition, 'integer');
        $integer->setValue(5);
        $data['integer'] = [
            $integer,
            5,
        ];
        $definition = DataDefinition::createFromDataType('integer');
        $integer = new IntegerData($definition, 'integer');
        $integer->setValue(NULL);
        $data['integer-null'] = [
            $integer,
            NULL,
        ];
        $definition = DataDefinition::createFromDataType('boolean');
        $boolean = new BooleanData($definition, 'boolean');
        $boolean->setValue(TRUE);
        $data['boolean'] = [
            $boolean,
            TRUE,
        ];
        $definition = DataDefinition::createFromDataType('boolean');
        $boolean = new BooleanData($definition, 'boolean');
        $boolean->setValue(NULL);
        $data['boolean-null'] = [
            $boolean,
            NULL,
        ];
        return $data;
    }

}