/*
* Copyright 2014 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.data.rest.webmvc.json;
import static org.hamcrest.CoreMatchers.*;
import static org.junit.Assert.*;
import java.util.Arrays;
import org.junit.Before;
import org.junit.Test;
import org.springframework.data.rest.core.projection.ProjectionFactory;
import org.springframework.data.rest.core.projection.ProxyProjectionFactory;
import org.springframework.hateoas.Resources;
import org.springframework.hateoas.core.EvoInflectorRelProvider;
import org.springframework.hateoas.hal.Jackson2HalModule;
import org.springframework.hateoas.hal.Jackson2HalModule.HalHandlerInstantiator;
import com.fasterxml.jackson.annotation.JsonIgnore;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.jayway.jsonpath.JsonPath;
/**
* Integration tests for Jackson marshalling of projected objects.
*
* @author Oliver Gierke
*/
public class ProjectionJacksonIntegrationTests {
ObjectMapper mapper;
ProjectionFactory factory = new ProxyProjectionFactory(null);
@Before
public void setUp() {
this.mapper = new ObjectMapper();
this.mapper.registerModule(new Jackson2HalModule());
this.mapper.setHandlerInstantiator(new HalHandlerInstantiator(new EvoInflectorRelProvider(), null));
}
/**
* @see DATAREST-221
*/
@Test
public void considersJacksonAnnotationsOnProjectionInterfaces() throws Exception {
Customer customer = new Customer();
customer.firstname = "Dave";
customer.lastname = "Matthews";
customer.address = new Address();
CustomerProjection projection = factory.createProjection(customer, CustomerProjection.class);
String result = mapper.writeValueAsString(projection);
assertThat(JsonPath.read(result, "$firstname"), is((Object) "Dave"));
}
/**
* @see DATAREST-221
*/
@Test
public void rendersHalContentCorrectly() throws Exception {
ObjectMapper mapper = new ObjectMapper();
mapper.registerModule(new Jackson2HalModule());
mapper.setHandlerInstantiator(new Jackson2HalModule.HalHandlerInstantiator(new EvoInflectorRelProvider(), null));
Customer customer = new Customer();
customer.firstname = "Dave";
customer.lastname = "Matthews";
customer.address = new Address();
CustomerProjection projection = factory.createProjection(customer, CustomerProjection.class);
Resources<CustomerProjection> resources = new Resources<CustomerProjection>(Arrays.asList(projection));
String result = mapper.writeValueAsString(resources);
assertThat(JsonPath.read(result, "$_embedded.customers[0].firstname"), is((Object) "Dave"));
}
static class Customer {
String firstname, lastname;
Address address;
}
static class Address {
}
interface CustomerProjection {
String getFirstname();
@JsonIgnore
String getLastname();
}
}