/***
* Copyright (c) 2009 Caelum - www.caelum.com.br/opensource - guilherme.silveira@caelum.com.br
* All rights reserved.
*
* 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 br.com.caelum.vraptor.restfulie;
import static org.hamcrest.Matchers.containsString;
import static org.hamcrest.Matchers.not;
import static org.junit.Assert.assertThat;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
import java.util.Arrays;
import org.junit.Before;
import org.junit.Test;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
import br.com.caelum.vraptor.config.Configuration;
import br.com.caelum.vraptor.restfulie.hypermedia.HypermediaResource;
import br.com.caelum.vraptor.restfulie.relation.Relation;
import br.com.caelum.vraptor.restfulie.relation.RelationBuilder;
import br.com.caelum.vraptor.restfulie.serialization.LinkConverterJSON;
import com.thoughtworks.xstream.XStream;
import com.thoughtworks.xstream.converters.reflection.ReflectionConverter;
import com.thoughtworks.xstream.io.json.JsonHierarchicalStreamDriver;
/**
* Ensure that JSON serialization, of Restful resources, contains resources links. And not restful resources remains untouched.
*
* @author ac de souza
*/
public class LinkConverterJSONTest {
private @Mock Restfulie restfulie;
private @Mock RelationBuilder builder;
private @Mock HypermediaResource resource;
private XStream xstream;
@Before
public void setup() {
MockitoAnnotations.initMocks(this);
this.restfulie = mock(Restfulie.class);
when(restfulie.newRelationBuilder()).thenReturn(builder);
Configuration config = mock(Configuration.class);
when(config.getApplicationPath()).thenReturn("http://www.caelum.com.br");
xstream = new XStream(new JsonHierarchicalStreamDriver());
ReflectionConverter base = new ReflectionConverter(xstream.getMapper(), xstream.getReflectionProvider());
xstream.registerConverter(new LinkConverterJSON(base, restfulie, config));
}
@Test
public void shouldSerializeNoLinksIfThereIsNoTransition() {
String json = xstream.toXML(resource);
assertThat(json, not(containsString("links")));
}
@Test
public void shouldSerializeOneLinkIfThereIsATransition() {
Relation kill = mock(Relation.class);
when(kill.getName()).thenReturn("kill");
when(kill.getUri()).thenReturn("/kill");
when(builder.getRelations()).thenReturn(Arrays.asList(kill));
String json = xstream.toXML(resource);
String expectedLinks = "\"links\": [\n {\n \"rel\": \"kill\",\n \"href\": \"http://www.caelum.com.br/kill\"\n }\n ]";
assertThat(json, containsString(expectedLinks));
}
@Test
public void shouldSerializeAllLinksIfThereAreTransitions() {
Relation kill = mock(Relation.class);
when(kill.getName()).thenReturn("kill");
when(kill.getUri()).thenReturn("/kill");
Relation ressurect = mock(Relation.class);
when(ressurect.getName()).thenReturn("ressurect");
when(ressurect.getUri()).thenReturn("/ressurect");
when(builder.getRelations()).thenReturn(Arrays.asList(kill, ressurect));
String json = xstream.toXML(resource);
String expectedLinks = "\"links\": [\n {\n \"rel\": \"kill\",\n \"href\": \"http://www.caelum.com.br/kill\"\n },\n {\n \"rel\": \"ressurect\",\n \"href\": \"http://www.caelum.com.br/ressurect\"\n }\n ]";
assertThat(json, containsString(expectedLinks));
}
}