JsonSerializableNormalizer example

private JsonSerializableNormalizer $normalizer;
    private MockObject&JsonSerializerNormalizer $serializer;

    protected function setUp(): void
    {
        $this->createNormalizer();
    }

    private function createNormalizer(array $defaultContext = [])
    {
        $this->serializer = $this->createMock(JsonSerializerNormalizer::class);
        $this->normalizer = new JsonSerializableNormalizer(null, null, $defaultContext);
        $this->normalizer->setSerializer($this->serializer);
    }

    public function testSupportNormalization()
    {
        $this->assertTrue($this->normalizer->supportsNormalization(new JsonSerializableDummy()));
        $this->assertFalse($this->normalizer->supportsNormalization(new \stdClass()));
    }

    public function testNormalize()
    {