/*
* Copyright 2002-2013 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.xml;
import javax.xml.transform.Result;
import javax.xml.transform.stream.StreamSource;
import org.junit.Test;
import org.springframework.beans.TypeMismatchException;
import org.springframework.http.MediaType;
import org.springframework.http.MockHttpInputMessage;
import org.springframework.http.MockHttpOutputMessage;
import org.springframework.http.converter.HttpMessageNotReadableException;
import org.springframework.http.converter.HttpMessageNotWritableException;
import org.springframework.oxm.Marshaller;
import org.springframework.oxm.MarshallingFailureException;
import org.springframework.oxm.Unmarshaller;
import org.springframework.oxm.UnmarshallingFailureException;
import static org.junit.Assert.*;
import static org.mockito.BDDMockito.*;
/**
* Tests for {@link MarshallingHttpMessageConverter}.
*
* @author Arjen Poutsma
*/
public class MarshallingHttpMessageConverterTests {
@Test
public void canRead() throws Exception {
Unmarshaller unmarshaller = mock(Unmarshaller.class);
given(unmarshaller.supports(Integer.class)).willReturn(false);
given(unmarshaller.supports(String.class)).willReturn(true);
MarshallingHttpMessageConverter converter = new MarshallingHttpMessageConverter();
converter.setUnmarshaller(unmarshaller);
assertFalse(converter.canRead(Boolean.class, MediaType.TEXT_PLAIN));
assertFalse(converter.canRead(Integer.class, MediaType.TEXT_XML));
assertTrue(converter.canRead(String.class, MediaType.TEXT_XML));
}
@Test
public void canWrite() throws Exception {
Marshaller marshaller = mock(Marshaller.class);
given(marshaller.supports(Integer.class)).willReturn(false);
given(marshaller.supports(String.class)).willReturn(true);
MarshallingHttpMessageConverter converter = new MarshallingHttpMessageConverter();
converter.setMarshaller(marshaller);
assertFalse(converter.canWrite(Boolean.class, MediaType.TEXT_PLAIN));
assertFalse(converter.canWrite(Integer.class, MediaType.TEXT_XML));
assertTrue(converter.canWrite(String.class, MediaType.TEXT_XML));
}
@Test
public void read() throws Exception {
String body = "<root>Hello World</root>";
MockHttpInputMessage inputMessage = new MockHttpInputMessage(body.getBytes("UTF-8"));
Unmarshaller unmarshaller = mock(Unmarshaller.class);
given(unmarshaller.unmarshal(isA(StreamSource.class))).willReturn(body);
MarshallingHttpMessageConverter converter = new MarshallingHttpMessageConverter();
converter.setUnmarshaller(unmarshaller);
String result = (String) converter.read(Object.class, inputMessage);
assertEquals("Invalid result", body, result);
}
@Test(expected = TypeMismatchException.class)
public void readWithTypeMismatchException() throws Exception {
MockHttpInputMessage inputMessage = new MockHttpInputMessage(new byte[0]);
Marshaller marshaller = mock(Marshaller.class);
Unmarshaller unmarshaller = mock(Unmarshaller.class);
given(unmarshaller.unmarshal(isA(StreamSource.class))).willReturn(Integer.valueOf(3));
MarshallingHttpMessageConverter converter = new MarshallingHttpMessageConverter(marshaller, unmarshaller);
converter.read(String.class, inputMessage);
}
@Test
public void readWithMarshallingFailureException() throws Exception {
MockHttpInputMessage inputMessage = new MockHttpInputMessage(new byte[0]);
UnmarshallingFailureException ex = new UnmarshallingFailureException("forced");
Unmarshaller unmarshaller = mock(Unmarshaller.class);
given(unmarshaller.unmarshal(isA(StreamSource.class))).willThrow(ex);
MarshallingHttpMessageConverter converter = new MarshallingHttpMessageConverter();
converter.setUnmarshaller(unmarshaller);
try {
converter.read(Object.class, inputMessage);
fail("HttpMessageNotReadableException should be thrown");
}
catch (HttpMessageNotReadableException e) {
assertTrue("Invalid exception hierarchy", e.getCause() == ex);
}
}
@Test
public void write() throws Exception {
String body = "<root>Hello World</root>";
MockHttpOutputMessage outputMessage = new MockHttpOutputMessage();
Marshaller marshaller = mock(Marshaller.class);
willDoNothing().given(marshaller).marshal(eq(body), isA(Result.class));
MarshallingHttpMessageConverter converter = new MarshallingHttpMessageConverter(marshaller);
converter.write(body, null, outputMessage);
assertEquals("Invalid content-type", new MediaType("application", "xml"), outputMessage.getHeaders()
.getContentType());
}
@Test
public void writeWithMarshallingFailureException() throws Exception {
String body = "<root>Hello World</root>";
MockHttpOutputMessage outputMessage = new MockHttpOutputMessage();
MarshallingFailureException ex = new MarshallingFailureException("forced");
Marshaller marshaller = mock(Marshaller.class);
willThrow(ex).given(marshaller).marshal(eq(body), isA(Result.class));
try {
MarshallingHttpMessageConverter converter = new MarshallingHttpMessageConverter(marshaller);
converter.write(body, null, outputMessage);
fail("HttpMessageNotWritableException should be thrown");
}
catch (HttpMessageNotWritableException e) {
assertTrue("Invalid exception hierarchy", e.getCause() == ex);
}
}
@Test(expected = UnsupportedOperationException.class)
public void supports() throws Exception {
new MarshallingHttpMessageConverter().supports(Object.class);
}
}