/* * 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); } }