/*
* Copyright 2002-2015 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.Collections;
import java.util.List;
import java.util.Map;
import org.junit.Test;
import org.springframework.http.MediaType;
import static org.junit.Assert.*;
/**
* Test fixture for {@link MappingMediaTypeFileExtensionResolver}.
*
* @author Rossen Stoyanchev
* @author Melissa Hartsock
*/
public class MappingMediaTypeFileExtensionResolverTests {
@Test
public void resolveExtensions() {
Map<String, MediaType> mapping = Collections.singletonMap("json", MediaType.APPLICATION_JSON);
MappingMediaTypeFileExtensionResolver resolver = new MappingMediaTypeFileExtensionResolver(mapping);
List<String> extensions = resolver.resolveFileExtensions(MediaType.APPLICATION_JSON);
assertEquals(1, extensions.size());
assertEquals("json", extensions.get(0));
}
@Test
public void resolveExtensionsNoMatch() {
Map<String, MediaType> mapping = Collections.singletonMap("json", MediaType.APPLICATION_JSON);
MappingMediaTypeFileExtensionResolver resolver = new MappingMediaTypeFileExtensionResolver(mapping);
List<String> extensions = resolver.resolveFileExtensions(MediaType.TEXT_HTML);
assertTrue(extensions.isEmpty());
}
/**
* Unit test for SPR-13747 - ensures that reverse lookup of media type from media
* type key is case-insensitive.
*/
@Test
public void lookupMediaTypeCaseInsensitive() {
Map<String, MediaType> mapping = Collections.singletonMap("json", MediaType.APPLICATION_JSON);
MappingMediaTypeFileExtensionResolver resolver = new MappingMediaTypeFileExtensionResolver(mapping);
MediaType mediaType = resolver.lookupMediaType("JSON");
assertEquals(mediaType, MediaType.APPLICATION_JSON);
}
}