/*
* Copyright 2002-2016 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.http.converter;
import java.io.IOException;
import org.junit.Test;
import org.springframework.http.HttpInputMessage;
import org.springframework.http.HttpOutputMessage;
import org.springframework.http.MediaType;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
/**
* Test-case for AbstractHttpMessageConverter.
*
* @author Arjen Poutsma
* @author Rossen Stoyanchev
*/
public class HttpMessageConverterTests {
@Test
public void canRead() {
MediaType mediaType = new MediaType("foo", "bar");
HttpMessageConverter<MyType> converter = new MyHttpMessageConverter<>(mediaType);
assertTrue(converter.canRead(MyType.class, mediaType));
assertFalse(converter.canRead(MyType.class, new MediaType("foo", "*")));
assertFalse(converter.canRead(MyType.class, MediaType.ALL));
}
@Test
public void canReadWithWildcardSubtype() {
MediaType mediaType = new MediaType("foo");
HttpMessageConverter<MyType> converter = new MyHttpMessageConverter<>(mediaType);
assertTrue(converter.canRead(MyType.class, new MediaType("foo", "bar")));
assertTrue(converter.canRead(MyType.class, new MediaType("foo", "*")));
assertFalse(converter.canRead(MyType.class, MediaType.ALL));
}
@Test
public void canWrite() {
MediaType mediaType = new MediaType("foo", "bar");
HttpMessageConverter<MyType> converter = new MyHttpMessageConverter<>(mediaType);
assertTrue(converter.canWrite(MyType.class, mediaType));
assertTrue(converter.canWrite(MyType.class, new MediaType("foo", "*")));
assertTrue(converter.canWrite(MyType.class, MediaType.ALL));
}
@Test
public void canWriteWithWildcardInSupportedSubtype() {
MediaType mediaType = new MediaType("foo");
HttpMessageConverter<MyType> converter = new MyHttpMessageConverter<>(mediaType);
assertTrue(converter.canWrite(MyType.class, new MediaType("foo", "bar")));
assertTrue(converter.canWrite(MyType.class, new MediaType("foo", "*")));
assertTrue(converter.canWrite(MyType.class, MediaType.ALL));
}
private static class MyHttpMessageConverter<T> extends AbstractHttpMessageConverter<T> {
private MyHttpMessageConverter(MediaType supportedMediaType) {
super(supportedMediaType);
}
@Override
protected boolean supports(Class<?> clazz) {
return MyType.class.equals(clazz);
}
@Override
protected T readInternal(Class<? extends T> clazz, HttpInputMessage inputMessage)
throws IOException, HttpMessageNotReadableException {
fail("Not expected");
return null;
}
@Override
protected void writeInternal(T t, HttpOutputMessage outputMessage)
throws IOException, HttpMessageNotWritableException {
fail("Not expected");
}
}
private static class MyType {
}
}