/*
* Copyright 2002-2014 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.feed;
import java.io.IOException;
import java.io.InputStream;
import java.nio.charset.Charset;
import java.util.ArrayList;
import java.util.List;
import com.rometools.rome.feed.atom.Entry;
import com.rometools.rome.feed.atom.Feed;
import org.custommonkey.xmlunit.XMLUnit;
import org.junit.Before;
import org.junit.Test;
import org.xml.sax.SAXException;
import org.springframework.http.MediaType;
import org.springframework.http.MockHttpInputMessage;
import org.springframework.http.MockHttpOutputMessage;
import static org.custommonkey.xmlunit.XMLAssert.*;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
/**
* @author Arjen Poutsma
*/
public class AtomFeedHttpMessageConverterTests {
private AtomFeedHttpMessageConverter converter;
private Charset utf8;
@Before
public void setUp() {
utf8 = Charset.forName("UTF-8");
converter = new AtomFeedHttpMessageConverter();
XMLUnit.setIgnoreWhitespace(true);
}
@Test
public void canRead() {
assertTrue(converter.canRead(Feed.class, new MediaType("application", "atom+xml")));
assertTrue(converter.canRead(Feed.class, new MediaType("application", "atom+xml", utf8)));
}
@Test
public void canWrite() {
assertTrue(converter.canWrite(Feed.class, new MediaType("application", "atom+xml")));
assertTrue(converter.canWrite(Feed.class, new MediaType("application", "atom+xml", Charset.forName("UTF-8"))));
}
@Test
public void read() throws IOException {
InputStream is = getClass().getResourceAsStream("atom.xml");
MockHttpInputMessage inputMessage = new MockHttpInputMessage(is);
inputMessage.getHeaders().setContentType(new MediaType("application", "atom+xml", utf8));
Feed result = converter.read(Feed.class, inputMessage);
assertEquals("title", result.getTitle());
assertEquals("subtitle", result.getSubtitle().getValue());
List<?> entries = result.getEntries();
assertEquals(2, entries.size());
Entry entry1 = (Entry) entries.get(0);
assertEquals("id1", entry1.getId());
assertEquals("title1", entry1.getTitle());
Entry entry2 = (Entry) entries.get(1);
assertEquals("id2", entry2.getId());
assertEquals("title2", entry2.getTitle());
}
@Test
public void write() throws IOException, SAXException {
Feed feed = new Feed("atom_1.0");
feed.setTitle("title");
Entry entry1 = new Entry();
entry1.setId("id1");
entry1.setTitle("title1");
Entry entry2 = new Entry();
entry2.setId("id2");
entry2.setTitle("title2");
List<Entry> entries = new ArrayList<Entry>(2);
entries.add(entry1);
entries.add(entry2);
feed.setEntries(entries);
MockHttpOutputMessage outputMessage = new MockHttpOutputMessage();
converter.write(feed, null, outputMessage);
assertEquals("Invalid content-type", new MediaType("application", "atom+xml", utf8),
outputMessage.getHeaders().getContentType());
String expected = "<feed xmlns=\"http://www.w3.org/2005/Atom\">" + "<title>title</title>" +
"<entry><id>id1</id><title>title1</title></entry>" +
"<entry><id>id2</id><title>title2</title></entry></feed>";
assertXMLEqual(expected, outputMessage.getBodyAsString(utf8));
}
@Test
public void writeOtherCharset() throws IOException, SAXException {
Feed feed = new Feed("atom_1.0");
feed.setTitle("title");
String encoding = "ISO-8859-1";
feed.setEncoding(encoding);
MockHttpOutputMessage outputMessage = new MockHttpOutputMessage();
converter.write(feed, null, outputMessage);
assertEquals("Invalid content-type", new MediaType("application", "atom+xml", Charset.forName(encoding)),
outputMessage.getHeaders().getContentType());
}
}