/*
* Copyright 2016-2017 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.ArgumentMatchers.*;
import static org.mockito.Mockito.*;
import lombok.Value;
import java.util.function.Supplier;
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.Version;
import org.springframework.data.keyvalue.core.mapping.KeyValuePersistentEntity;
import org.springframework.data.keyvalue.core.mapping.context.KeyValueMappingContext;
import org.springframework.data.rest.webmvc.ResourceStatus.StatusAndHeaders;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpStatus;
/**
* Unit tests for {@link ResourceStatus}.
*
* @author Oliver Gierke
*/
@RunWith(MockitoJUnitRunner.class)
public class ResourceStatusUnitTests {
ResourceStatus status;
KeyValuePersistentEntity<?, ?> entity;
@Mock HttpHeadersPreparer preparer;
@Mock Supplier<PersistentEntityResource> supplier;
@Before
public void setUp() {
this.status = ResourceStatus.of(preparer);
KeyValueMappingContext<?, ?> context = new KeyValueMappingContext<>();
this.entity = context.getRequiredPersistentEntity(Sample.class);
doReturn(new HttpHeaders()).when(preparer).prepareHeaders(eq(entity), any());
}
@Test(expected = IllegalArgumentException.class) // DATAREST-835
public void rejectsNullPreparer() {
ResourceStatus.of(null);
}
@Test // DATAREST-835
public void returnsModifiedIfNoHeadersGiven() {
assertModified(status.getStatusAndHeaders(new HttpHeaders(), new Sample(0), entity));
}
@Test // DATAREST-835
public void returnsNotModifiedForEntityWithRequestedETag() {
HttpHeaders headers = new HttpHeaders();
headers.setIfNoneMatch("\"1\"");
assertNotModified(status.getStatusAndHeaders(headers, new Sample(1), entity));
}
@Test // DATAREST-835
public void returnsNotModifiedIfEntityIsStillConsideredValid() {
doReturn(true).when(preparer).isObjectStillValid(any(), any(HttpHeaders.class));
assertNotModified(status.getStatusAndHeaders(new HttpHeaders(), new Sample(0), entity));
}
private void assertModified(StatusAndHeaders statusAndHeaders) {
assertThat(statusAndHeaders.isModified()).isTrue();
assertThat(statusAndHeaders.toResponseEntity(supplier).getStatusCode()).isEqualTo(HttpStatus.OK);
verify(supplier).get();
}
private void assertNotModified(StatusAndHeaders statusAndHeaders) {
assertThat(statusAndHeaders.isModified()).isFalse();
assertThat(statusAndHeaders.toResponseEntity(supplier).getStatusCode()).isEqualTo(HttpStatus.NOT_MODIFIED);
}
@Value
static class Sample {
@Version int version;
}
}