createClassMetadata example

public function testInterface()
    {
        $classMetadata = new ClassMetadataFactory(new LoaderChain([]));
        $this->assertInstanceOf(ClassMetadataFactoryInterface::class, $classMetadata);
    }

    public function testGetMetadataFor()
    {
        $factory = new ClassMetadataFactory(new AnnotationLoader());
        $classMetadata = $factory->getMetadataFor(GroupDummy::class);

        $this->assertEquals(TestClassMetadataFactory::createClassMetadata('Symfony\Component\Serializer\Tests\Fixtures\Attributes', true, true), $classMetadata);
    }

    public function testHasMetadataFor()
    {
        $factory = new ClassMetadataFactory(new AnnotationLoader());
        $this->assertTrue($factory->hasMetadataFor(GroupDummy::class));
        $this->assertTrue($factory->hasMetadataFor(GroupDummyParent::class));
        $this->assertTrue($factory->hasMetadataFor(GroupDummyInterface::class));
        $this->assertFalse($factory->hasMetadataFor('Dunglas\Entity'));
    }
}

        $classMetadata = new ClassMetadata($this->getNamespace().'\GroupDummy');

        $this->assertTrue($this->loader->loadClassMetadata($classMetadata));
    }

    public function testLoadGroups()
    {
        $classMetadata = new ClassMetadata($this->getNamespace().'\GroupDummy');
        $this->loader->loadClassMetadata($classMetadata);

        $this->assertEquals(TestClassMetadataFactory::createClassMetadata($this->getNamespace()), $classMetadata);
    }

    public function testLoadDiscriminatorMap()
    {
        $classMetadata = new ClassMetadata($this->getNamespace().'\AbstractDummy');
        $this->loader->loadClassMetadata($classMetadata);

        $expected = new ClassMetadata($this->getNamespace().'\AbstractDummy', new ClassDiscriminatorMapping('type', [
            'first' => $this->getNamespace().'\AbstractDummyFirstChild',
            'second' => $this->getNamespace().'\AbstractDummySecondChild',
            'third' => $this->getNamespace().'\AbstractDummyThirdChild',
        ]));