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* Licensed to the Apache Software Foundation (ASF) under one
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* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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
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package org.apache.tuscany.sca.binding.atom;
import java.io.IOException;
import java.io.Reader;
import java.util.Date;
import junit.framework.Assert;
import org.apache.abdera.Abdera;
import org.apache.abdera.factory.Factory;
import org.apache.abdera.i18n.iri.IRI;
import org.apache.abdera.model.Content;
import org.apache.abdera.model.Document;
import org.apache.abdera.model.Entry;
import org.apache.abdera.model.Feed;
import org.apache.abdera.parser.Parser;
import org.apache.abdera.protocol.Response.ResponseType;
import org.apache.abdera.protocol.client.AbderaClient;
import org.apache.abdera.protocol.client.ClientResponse;
import org.apache.abdera.protocol.client.RequestOptions;
import org.apache.tuscany.sca.node.Contribution;
import org.apache.tuscany.sca.node.ContributionLocationHelper;
import org.apache.tuscany.sca.node.Node;
import org.apache.tuscany.sca.node.NodeFactory;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
/**
* Tests use of content negotiation for Atom binding in Tuscany.
* Uses the SCA provided Provider composite to act as a server.
* Uses the Abdera provided Client to act as a client.
*
* @version $Rev: 1056789 $ $Date: 2011-01-08 20:18:56 +0000 (Sat, 08 Jan 2011) $
*/
public class ContentNegotiationTest {
public final static String providerURI = "http://localhost:8084/customer";
protected static Node scaProviderNode;
protected static CustomerClient testService;
protected static Abdera abdera;
protected static AbderaClient client;
protected static Parser abderaParser;
protected static String lastId;
@BeforeClass
public static void init() throws Exception {
try {
//System.out.println(">>>ContentNegotiationTest.init");
String contribution = ContributionLocationHelper.getContributionLocation(ContentNegotiationTest.class);
scaProviderNode = NodeFactory.newInstance().createNode("org/apache/tuscany/sca/binding/atom/Provider.composite", new Contribution("provider", contribution));
scaProviderNode.start();
abdera = new Abdera();
client = new AbderaClient(abdera);
abderaParser = Abdera.getNewParser();
} catch(Exception e) {
e.printStackTrace();
}
}
@AfterClass
public static void destroy() throws Exception {
//System.out.println(">>>ContentNegotiationTest.destroy");
if (scaProviderNode != null) {
scaProviderNode.stop();
}
}
@Test
public void testPrelim() throws Exception {
Assert.assertNotNull(scaProviderNode);
Assert.assertNotNull( client );
}
@Test
public void testPost() throws Exception {
//System.out.println(">>>ContentNegotiationTest.testPost");
// Testing of entry creation
Factory factory = abdera.getFactory();
String customerName = "Fred Farkle";
Entry entry = factory.newEntry();
entry.setTitle("customer " + customerName);
entry.setUpdated(new Date());
entry.addAuthor("Apache Tuscany");
// ID created by collection.
Content content = abdera.getFactory().newContent();
content.setContentType(Content.Type.TEXT);
content.setValue(customerName);
entry.setContentElement(content);
RequestOptions opts = new RequestOptions();
final String contentType = "application/atom+xml";
opts.setContentType(contentType);
// AtomTestCaseUtils.printRequestHeaders( "Post request headers", " ", opts );
IRI colUri = new IRI(providerURI).resolve("customer");
// res = client.post(colUri.toString() + "?test=foo", entry, opts);
ClientResponse res = client.post(colUri.toString(), entry, opts);
// Assert response status code is 201-OK.
// Assert response header Content-Type: application/atom+xml; charset=UTF-8
Assert.assertEquals(201, res.getStatus());
String returnedContentType = res.getContentType().toString().trim();
Assert.assertEquals(contentType, returnedContentType );
String eTag = res.getHeader( "ETag" );
if ( eTag != null)
lastId = eTag.substring( 1, eTag.length()-1);
// AtomTestCaseUtils.printResponseHeaders( "Entry post response headers:", " ", res );
// System.out.println("Entry post response content:");
// AtomTestCaseUtils.prettyPrint(abdera, res.getDocument());
}
@Test
public void testXMLEntryGet() throws Exception {
//System.out.println(">>>ContentNegotiationTest.testXMLEntryGet");
RequestOptions opts = new RequestOptions();
opts.setHeader( "Accept", "application/atom+xml" );
IRI colUri = new IRI(providerURI).resolve("customer");
ClientResponse res = client.get(colUri.toString() + "/" + lastId, opts);
Assert.assertEquals(200, res.getStatus());
String returnedContentType = res.getContentType().toString().trim();
// Assert.assertEquals(contentType, returnedContentType );
res.release();
}
@Test
public void testJSONEntryGet() throws Exception {
//System.out.println(">>>ContentNegotiationTest.testJSONEntryGet");
RequestOptions opts = new RequestOptions();
opts.setHeader( "Accept", "application/json" );
IRI colUri = new IRI(providerURI).resolve("customer");
ClientResponse res = client.get(colUri.toString() + "/" + lastId, opts);
try {
Assert.assertEquals(200, res.getStatus());
// Abdera 0.4 throws exception on getContentType with application/json.
// System.out.println( "ContentNegotiationTest.testJSONEntryGet contentType=" + res.getContentType());
String contentType = res.getHeader( "Content-Type");
Assert.assertTrue( -1 < contentType.indexOf( "application/json" ));
// Following is a poor man's JSONObject test to avoid dependency on JSON libs.
// JSONObject jsonResp = new JSONObject(res.);
// Assert.assertEquals(12345, jsonResp.getInt("result"));
String responseBody = readResponse( res.getReader() );
Assert.assertTrue( responseBody.startsWith( "{") );
Assert.assertTrue( responseBody.endsWith( "}") );
Assert.assertTrue( -1 < responseBody.indexOf( "\"id\"" ));
Assert.assertTrue( -1 < responseBody.indexOf( "\"title\"" ));
Assert.assertTrue( -1 < responseBody.indexOf( "\"updated\"" ));
// AtomTestCaseUtils.printResponseHeaders( "JSON Entry response headers:", " ", res );
// System.out.println( "ContentNegotiationTest.testJSONEntryGet JSON entry body=" + responseBody );
} finally {
res.release();
}
}
@Test
public void testXMLFeedGet() throws Exception {
//System.out.println(">>>ContentNegotiationTest.testXMLFeedGet");
RequestOptions opts = new RequestOptions();
opts.setHeader( "Accept", "application/atom+xml" );
// Atom feed request
ClientResponse res = client.get(providerURI, opts);
Assert.assertNotNull(res);
try {
// Asser feed provided since no predicates
Assert.assertEquals(200, res.getStatus());
Assert.assertEquals(ResponseType.SUCCESS, res.getType());
// AtomTestCaseUtils.printResponseHeaders( "Feed response headers:", " ", res );
// System.out.println("Feed response content:");
// AtomTestCaseUtils.prettyPrint(abdera, res.getDocument());
// Perform other tests on feed.
Document<Feed> doc = res.getDocument();
Assert.assertNotNull( doc );
Feed feed = doc.getRoot();
Assert.assertNotNull( feed );
// RFC 4287 requires non-null id, title, updated elements
Assert.assertNotNull( feed.getId() );
Assert.assertNotNull( feed.getTitle() );
Assert.assertNotNull( feed.getUpdated() );
// AtomTestCaseUtils.printFeed( "Feed values", " ", feed );
} finally {
res.release();
}
}
@Test
public void testJSONFeedGet() throws Exception {
//System.out.println(">>>ContentNegotiationTest.testJSONFeedGet");
RequestOptions opts = new RequestOptions();
opts.setHeader( "Accept", "application/json" );
// JSON feed request
ClientResponse res = client.get(providerURI, opts);
Assert.assertNotNull(res);
try {
// Assert feed provided since no predicates
Assert.assertEquals(200, res.getStatus());
// Abdera 0.4 throws exception on getContentType with application/json.
// System.out.println( "ContentNegotiationTest.testJSONEntryGet contentType=" + res.getContentType());
String contentType = res.getHeader( "Content-Type");
Assert.assertTrue( -1 < contentType.indexOf( "application/json" ));
// Following is a poor man's JSONObject test to avoid dependency on JSON libs.
// JSONObject jsonResp = new JSONObject(res.);
// Assert.assertEquals(12345, jsonResp.getInt("result"));
String responseBody = readResponse( res.getReader() );
Assert.assertTrue( responseBody.startsWith( "{") );
Assert.assertTrue( responseBody.endsWith( "}") );
Assert.assertTrue( -1 < responseBody.indexOf( "\"id\"" ));
Assert.assertTrue( -1 < responseBody.indexOf( "\"title\"" ));
Assert.assertTrue( -1 < responseBody.indexOf( "\"updated\"" ));
Assert.assertTrue( -1 < responseBody.indexOf( "\"entries\"" ));
// AtomTestCaseUtils.printResponseHeaders( "JSON Entry response headers:", " ", res );
// System.out.println( "ContentNegotiationTest.testJSONEntryGet JSON entry body=" + responseBody );
} finally {
res.release();
}
}
protected String readResponse( Reader responseReader ) {
if ( responseReader == null ) return "";
StringBuffer sb = new StringBuffer(1024);
try {
int charValue = 0;
while ((charValue = responseReader.read()) != -1) {
//result = result + (char) charValue;
sb.append((char)charValue);
}
} catch ( IOException e ) {
}
return sb.toString();
}
}