/*
* Copyright 2002-2017 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.web.accept;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.junit.Before;
import org.junit.Test;
import org.springframework.http.MediaType;
import org.springframework.mock.web.test.MockHttpServletRequest;
import org.springframework.mock.web.test.MockServletContext;
import org.springframework.util.StringUtils;
import org.springframework.web.HttpMediaTypeNotAcceptableException;
import org.springframework.web.context.request.NativeWebRequest;
import org.springframework.web.context.request.ServletWebRequest;
import static org.junit.Assert.assertEquals;
/**
* Test fixture for {@link ContentNegotiationManagerFactoryBean} tests.
*
* @author Rossen Stoyanchev
*/
public class ContentNegotiationManagerFactoryBeanTests {
private ContentNegotiationManagerFactoryBean factoryBean;
private NativeWebRequest webRequest;
private MockHttpServletRequest servletRequest;
@Before
public void setup() {
TestServletContext servletContext = new TestServletContext();
servletContext.getMimeTypes().put("foo", "application/foo");
this.servletRequest = new MockHttpServletRequest(servletContext);
this.webRequest = new ServletWebRequest(this.servletRequest);
this.factoryBean = new ContentNegotiationManagerFactoryBean();
this.factoryBean.setServletContext(this.servletRequest.getServletContext());
}
@Test
public void defaultSettings() throws Exception {
this.factoryBean.afterPropertiesSet();
ContentNegotiationManager manager = this.factoryBean.getObject();
this.servletRequest.setRequestURI("/flower.gif");
assertEquals("Should be able to resolve file extensions by default",
Collections.singletonList(MediaType.IMAGE_GIF), manager.resolveMediaTypes(this.webRequest));
this.servletRequest.setRequestURI("/flower.foobarbaz");
assertEquals("Should ignore unknown extensions by default",
Collections.<MediaType>emptyList(), manager.resolveMediaTypes(this.webRequest));
this.servletRequest.setRequestURI("/flower");
this.servletRequest.setParameter("format", "gif");
assertEquals("Should not resolve request parameters by default",
Collections.<MediaType>emptyList(), manager.resolveMediaTypes(this.webRequest));
this.servletRequest.setRequestURI("/flower");
this.servletRequest.addHeader("Accept", MediaType.IMAGE_GIF_VALUE);
assertEquals("Should resolve Accept header by default",
Collections.singletonList(MediaType.IMAGE_GIF), manager.resolveMediaTypes(this.webRequest));
}
@Test
public void favorPath() throws Exception {
this.factoryBean.setFavorPathExtension(true);
this.factoryBean.addMediaTypes(Collections.singletonMap("bar", new MediaType("application", "bar")));
this.factoryBean.afterPropertiesSet();
ContentNegotiationManager manager = this.factoryBean.getObject();
this.servletRequest.setRequestURI("/flower.foo");
assertEquals(Collections.singletonList(new MediaType("application", "foo")),
manager.resolveMediaTypes(this.webRequest));
this.servletRequest.setRequestURI("/flower.bar");
assertEquals(Collections.singletonList(new MediaType("application", "bar")),
manager.resolveMediaTypes(this.webRequest));
this.servletRequest.setRequestURI("/flower.gif");
assertEquals(Collections.singletonList(MediaType.IMAGE_GIF), manager.resolveMediaTypes(this.webRequest));
}
@Test(expected = HttpMediaTypeNotAcceptableException.class) // SPR-10170
public void favorPathWithIgnoreUnknownPathExtensionTurnedOff() throws Exception {
this.factoryBean.setFavorPathExtension(true);
this.factoryBean.setIgnoreUnknownPathExtensions(false);
this.factoryBean.afterPropertiesSet();
ContentNegotiationManager manager = this.factoryBean.getObject();
this.servletRequest.setRequestURI("/flower.foobarbaz");
this.servletRequest.addParameter("format", "json");
manager.resolveMediaTypes(this.webRequest);
}
@Test
public void favorParameter() throws Exception {
this.factoryBean.setFavorParameter(true);
Map<String, MediaType> mediaTypes = new HashMap<>();
mediaTypes.put("json", MediaType.APPLICATION_JSON);
this.factoryBean.addMediaTypes(mediaTypes);
this.factoryBean.afterPropertiesSet();
ContentNegotiationManager manager = this.factoryBean.getObject();
this.servletRequest.setRequestURI("/flower");
this.servletRequest.addParameter("format", "json");
assertEquals(Collections.singletonList(MediaType.APPLICATION_JSON),
manager.resolveMediaTypes(this.webRequest));
}
@Test(expected = HttpMediaTypeNotAcceptableException.class) // SPR-10170
public void favorParameterWithUnknownMediaType() throws HttpMediaTypeNotAcceptableException {
this.factoryBean.setFavorParameter(true);
this.factoryBean.afterPropertiesSet();
ContentNegotiationManager manager = this.factoryBean.getObject();
this.servletRequest.setRequestURI("/flower");
this.servletRequest.setParameter("format", "xyz");
manager.resolveMediaTypes(this.webRequest);
}
@Test
public void ignoreAcceptHeader() throws Exception {
this.factoryBean.setIgnoreAcceptHeader(true);
this.factoryBean.afterPropertiesSet();
ContentNegotiationManager manager = this.factoryBean.getObject();
this.servletRequest.setRequestURI("/flower");
this.servletRequest.addHeader("Accept", MediaType.IMAGE_GIF_VALUE);
assertEquals(Collections.<MediaType>emptyList(), manager.resolveMediaTypes(this.webRequest));
}
@Test
public void setDefaultContentType() throws Exception {
this.factoryBean.setDefaultContentType(MediaType.APPLICATION_JSON);
this.factoryBean.afterPropertiesSet();
ContentNegotiationManager manager = this.factoryBean.getObject();
assertEquals(MediaType.APPLICATION_JSON, manager.resolveMediaTypes(this.webRequest).get(0));
// SPR-10513
this.servletRequest.addHeader("Accept", MediaType.ALL_VALUE);
assertEquals(MediaType.APPLICATION_JSON, manager.resolveMediaTypes(this.webRequest).get(0));
}
@Test // SPR-15367
public void setDefaultContentTypes() throws Exception {
List<MediaType> mediaTypes = Arrays.asList(MediaType.APPLICATION_JSON, MediaType.ALL);
this.factoryBean.setDefaultContentTypes(mediaTypes);
this.factoryBean.afterPropertiesSet();
ContentNegotiationManager manager = this.factoryBean.getObject();
assertEquals(mediaTypes, manager.resolveMediaTypes(this.webRequest));
this.servletRequest.addHeader("Accept", MediaType.ALL_VALUE);
assertEquals(mediaTypes, manager.resolveMediaTypes(this.webRequest));
}
@Test // SPR-12286
public void setDefaultContentTypeWithStrategy() throws Exception {
this.factoryBean.setDefaultContentTypeStrategy(new FixedContentNegotiationStrategy(MediaType.APPLICATION_JSON));
this.factoryBean.afterPropertiesSet();
ContentNegotiationManager manager = this.factoryBean.getObject();
assertEquals(Collections.singletonList(MediaType.APPLICATION_JSON),
manager.resolveMediaTypes(this.webRequest));
this.servletRequest.addHeader("Accept", MediaType.ALL_VALUE);
assertEquals(Collections.singletonList(MediaType.APPLICATION_JSON),
manager.resolveMediaTypes(this.webRequest));
}
private static class TestServletContext extends MockServletContext {
private final Map<String, String> mimeTypes = new HashMap<>();
public Map<String, String> getMimeTypes() {
return this.mimeTypes;
}
@Override
public String getMimeType(String filePath) {
String extension = StringUtils.getFilenameExtension(filePath);
return getMimeTypes().get(extension);
}
}
}