/*
* 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;
import static org.hamcrest.Matchers.*;
import static org.junit.Assert.*;
import java.util.Collections;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.runners.MockitoJUnitRunner;
import org.springframework.data.mapping.PersistentEntity;
import org.springframework.hateoas.Link;
import org.springframework.hateoas.Resources;
import org.springframework.hateoas.core.EmbeddedWrapper;
import org.springframework.hateoas.core.EmbeddedWrappers;
/**
* Unit tests for {@link PersistentEntityResource}.
*
* @author Oliver Gierke
*/
@RunWith(MockitoJUnitRunner.class)
public class PersistentEntityResourceUnitTests {
@Mock Object payload;
@Mock PersistentEntity<?, ?> entity;
Resources<EmbeddedWrapper> resources;
Link link = new Link("http://localhost", "foo");
@Before
public void setUp() {
EmbeddedWrappers wrappers = new EmbeddedWrappers(false);
EmbeddedWrapper wrapper = wrappers.wrap("Embedded", "foo");
this.resources = new Resources<EmbeddedWrapper>(Collections.singleton(wrapper));
}
/**
* @see DATAREST-317
*/
@Test(expected = IllegalArgumentException.class)
public void rejectsNullPayload() {
PersistentEntityResource.build(null, entity);
}
/**
* @see DATAREST-317
*/
@Test(expected = IllegalArgumentException.class)
public void rejectsNullPersistentEntity() {
PersistentEntityResource.build(payload, null);
}
/**
* @see DATAREST-317
*/
@Test
public void defaultsEmbeddedsToEmptyResources() {
PersistentEntityResource resource = PersistentEntityResource.build(payload, entity).build();
assertThat(resource.getEmbeddeds(), is(notNullValue()));
assertThat(resource.getEmbeddeds(), is(emptyIterable()));
}
/**
* @see DATAREST-317
*/
@Test
public void doesNotRenderAssociationLinksIfEmbeddedWithRelPresent() {
PersistentEntityResource resource = PersistentEntityResource.build(payload, entity).//
withEmbedded(resources).build();
assertThat(resource.shouldRenderLink(link), is(false));
}
/**
* @see DATAREST-317
*/
@Test
public void rendersAssociationLinksIfEvenIfEmbeddedWithRelPresentButLinksEnforced() {
PersistentEntityResource resource = PersistentEntityResource.build(payload, entity).//
withEmbedded(resources).renderAllAssociationLinks().build();
assertThat(resource.shouldRenderLink(link), is(true));
}
/**
* @see DATAREST-317
*/
@Test
public void rendersAssociationIfNoEmbeddedPresent() {
PersistentEntityResource resource = PersistentEntityResource.build(payload, entity).build();
assertThat(resource.shouldRenderLink(link), is(true));
}
}