Jackson JSON (De)Serialization Test

jackson-test

public abstract class AbstractJackson2MarshallingTest {

    protected ObjectMapper mapper;

    @Before
    public void setUp() {
        mapper = new ObjectMapper();
        mapper.enable(SerializationFeature.INDENT_OUTPUT);
    }

    protected String write(Object object) throws Exception {
        Writer writer = new StringWriter();
        mapper.writeValue(writer, object);
        return writer.toString();
    }

    protected <T> T read(String source, Class<T> targetType) throws Exception {
        return mapper.readValue(source, targetType);
    }
}
//============
import org.skyscreamer.jsonassert.JSONAssert;
public class SomeObjectSerializationTest extends AbstractJackson2MarshallingTest {
    @Test
    public void testSomeObjectSerialization() throws Exception {
        SomeObject o1 = new SomeObject();
        //... create and fill the object
        String o1Json = write(o1);
        SomeObject o2 = read(o1Json, SomeObject.class);
        String o2Json = write(o2);
        JSONAssert.assertEquals(o1Json, o2Json, false);
    }
}