AbstractNormalizerDummy example

class AbstractNormalizerTest extends TestCase
{
    private AbstractNormalizerDummy $normalizer;
    private MockObject&ClassMetadataFactoryInterface $classMetadata;

    protected function setUp(): void
    {
        $loader = $this->getMockBuilder(LoaderChain::class)->setConstructorArgs([[]])->getMock();
        $this->classMetadata = $this->getMockBuilder(ClassMetadataFactory::class)->setConstructorArgs([$loader])->getMock();
        $this->normalizer = new AbstractNormalizerDummy($this->classMetadata);
    }

    public function testGetAllowedAttributesAsString()
    {
        $classMetadata = new ClassMetadata('c');

        $a1 = new AttributeMetadata('a1');
        $classMetadata->addAttributeMetadata($a1);

        $a2 = new AttributeMetadata('a2');
        $a2->addGroup('test');