/*
* Copyright 2014-2017 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.assertj.core.api.Assertions.*;
import static org.mockito.Mockito.*;
import java.util.Arrays;
import java.util.List;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.junit.MockitoJUnitRunner;
import org.springframework.data.annotation.Reference;
import org.springframework.data.keyvalue.core.mapping.context.KeyValueMappingContext;
import org.springframework.data.mapping.PersistentEntity;
import org.springframework.data.mapping.PersistentProperty;
import org.springframework.data.mapping.context.PersistentEntities;
import org.springframework.data.rest.core.Path;
import org.springframework.data.rest.core.annotation.RestResource;
import org.springframework.data.rest.core.config.RepositoryRestConfiguration;
import org.springframework.data.rest.core.mapping.PersistentEntitiesResourceMappings;
import org.springframework.data.rest.core.mapping.ResourceMappings;
import org.springframework.data.rest.core.mapping.ResourceMetadata;
import org.springframework.data.rest.webmvc.mapping.Associations;
import org.springframework.hateoas.Link;
/**
* Unit tests for {@link Associations}.
*
* @author Oliver Gierke
*/
@RunWith(MockitoJUnitRunner.class)
public class AssociationLinksUnitTests {
Associations links;
ResourceMappings mappings;
KeyValueMappingContext<?, ?> mappingContext;
PersistentEntity<?, ?> entity;
ResourceMetadata sampleResourceMetadata;
@Mock RepositoryRestConfiguration config;
@Before
public void setUp() {
this.mappingContext = new KeyValueMappingContext<>();
this.entity = mappingContext.getRequiredPersistentEntity(Sample.class);
this.mappings = new PersistentEntitiesResourceMappings(new PersistentEntities(Arrays.asList(mappingContext)));
this.links = new Associations(mappings, config);
}
@Test(expected = IllegalArgumentException.class) // DATAREST-262
public void rejectsNullMappings() {
new Associations(null, mock(RepositoryRestConfiguration.class));
}
@Test(expected = IllegalArgumentException.class)
public void rejectsNullConfiguration() {
new Associations(mappings, null);
}
@Test // DATAREST-262
public void rejectsNullPropertyForIsLinkable() {
assertThatExceptionOfType(IllegalArgumentException.class).isThrownBy(() -> {
links.isLinkableAssociation((PersistentProperty<?>) null);
});
}
@Test // DATAREST-262
public void consideredHiddenPropertyUnlinkable() {
assertThat(links.isLinkableAssociation(entity.getRequiredPersistentProperty("hiddenProperty"))).isFalse();
}
@Test // DATAREST-262
public void createsLinkToAssociationProperty() {
PersistentProperty<?> property = entity.getRequiredPersistentProperty("property");
List<Link> associationLinks = links.getLinksFor(property.getRequiredAssociation(), new Path("/base"));
assertThat(associationLinks).hasSize(1);
assertThat(associationLinks).contains(new Link("/base/property", "property"));
}
@Test // DATAREST-262
public void doesNotCreateLinksForHiddenProperty() {
PersistentProperty<?> property = entity.getRequiredPersistentProperty("hiddenProperty");
assertThat(links.getLinksFor(property.getRequiredAssociation(), new Path("/sample"))).hasSize(0);
}
@Test
public void detectsLookupTypes() {
doReturn(true).when(config).isLookupType(Property.class);
assertThat(links.isLookupType(entity.getRequiredPersistentProperty("hiddenProperty"))).isTrue();
}
@Test
public void delegatesResourceMetadataLookupToMappings() {
assertThat(links.getMetadataFor(Property.class)).isEqualTo(mappings.getMetadataFor(Property.class));
}
public static class Sample {
@Reference Property property;
@RestResource(exported = false) @Reference Property hiddenProperty;
}
@RestResource
public static class Property {
}
}