/*------------------------------------------------------------------------------
Name: TestSubExact.java
Project: xmlBlaster.org
Copyright: xmlBlaster.org, see xmlBlaster-LICENSE file
Comment: Demo code for a client using xmlBlaster
------------------------------------------------------------------------------*/
package org.xmlBlaster.test.qos;
import java.util.logging.Logger;
import java.util.logging.Level;
import org.xmlBlaster.util.Global;
import org.xmlBlaster.client.qos.ConnectQos;
import org.xmlBlaster.util.XmlBlasterException;
import org.xmlBlaster.client.I_XmlBlasterAccess;
import org.xmlBlaster.client.I_Callback;
import org.xmlBlaster.client.key.UpdateKey;
import org.xmlBlaster.client.qos.UpdateQos;
import org.xmlBlaster.client.qos.EraseReturnQos;
import org.xmlBlaster.util.MsgUnit;
import junit.framework.*;
/**
* This client tests the method subscribe() with a later publish() with EXACT oid.
* <br />
* The subscribe() should be recognized for this later arriving publish()
* <p>
* This client may be invoked multiple time on the same xmlBlaster server,
* as it cleans up everything after his tests are done.
* <p>
* Invoke examples:<br />
* <pre>
* java junit.textui.TestRunner org.xmlBlaster.test.qos.TestSubExact
* java junit.swingui.TestRunner org.xmlBlaster.test.qos.TestSubExact
* </pre>
*/
public class TestSubExact extends TestCase implements I_Callback
{
private static String ME = "TestSubExact";
private final Global glob;
private static Logger log = Logger.getLogger(TestSubExact.class.getName());
private boolean messageArrived = false;
private String subscribeOid;
private String oidExact = "HelloMessage";
private String publishOid = "";
private I_XmlBlasterAccess senderConnection;
private String senderName;
private String senderContent;
private String receiverName; // sender/receiver is here the same client
private int numReceived = 0; // error checking
private final String contentMime = "text/xml";
private final String contentMimeExtended = "1.0";
/**
* Constructs the TestSubExact object.
* <p />
* @param testName The name used in the test suite
* @param loginName The name to login to the xmlBlaster
*/
public TestSubExact(Global glob, String testName, String loginName)
{
super(testName);
this.glob = glob;
this.senderName = loginName;
this.receiverName = loginName;
}
/**
* Sets up the fixture.
* <p />
* Connect to xmlBlaster and login
*/
protected void setUp()
{
try {
senderConnection = glob.getXmlBlasterAccess(); // Find orb
String passwd = "secret";
ConnectQos qos = new ConnectQos(glob, senderName, passwd); // == "<qos></qos>";
senderConnection.connect(qos, this); // Login to xmlBlaster
}
catch (Exception e) {
log.severe("Login failed: " + e.toString());
e.printStackTrace();
assertTrue("Login failed: " + e.toString(), false);
}
}
/**
* Tears down the fixture.
* <p />
* cleaning up .... erase() the previous message OID and logout
*/
protected void tearDown()
{
String xmlKey = "<key oid='" + publishOid + "' queryType='EXACT'>\n" +
"</key>";
try {
EraseReturnQos[] arr = senderConnection.erase(xmlKey, "<qos/>");
assertEquals("Erase", 1, arr.length);
} catch(XmlBlasterException e) { fail("Erase XmlBlasterException: " + e.getMessage()); }
senderConnection.disconnect(null);
}
/**
* Subscribe to message with EXACT oid
* <p />
* The returned subscribeOid is checked
*/
public void subscribeExact()
{
if (log.isLoggable(Level.FINE)) log.fine("Subscribing using XPath syntax ...");
String xmlKey = "<key oid='" + oidExact + "' queryType='EXACT'>\n" +
"</key>";
String qos = "<qos></qos>";
numReceived = 0;
subscribeOid = null;
try {
subscribeOid = senderConnection.subscribe(xmlKey, qos).getSubscriptionId();
log.info("Success: Subscribe on " + subscribeOid + " done");
} catch(XmlBlasterException e) {
log.warning("XmlBlasterException: " + e.getMessage());
assertTrue("subscribe - XmlBlasterException: " + e.getMessage(), false);
}
assertTrue("returned null subscribeOid", subscribeOid != null);
assertTrue("returned subscribeOid is empty", 0 != subscribeOid.length());
}
/**
* TEST: Construct a message and publish it.
* <p />
* The returned publishOid is checked
*/
public void testPublish()
{
if (log.isLoggable(Level.FINE)) log.fine("Publishing a message ...");
numReceived = 0;
String xmlKey = "<key oid='" + oidExact + "' contentMime='" + contentMime + "' contentMimeExtended='" + contentMimeExtended + "'>\n" +
"</key>";
senderContent = "Yeahh, i'm the new content";
try {
MsgUnit msgUnit = new MsgUnit(xmlKey, senderContent.getBytes(), "<qos></qos>");
publishOid = senderConnection.publish(msgUnit).getKeyOid();
log.info("Success: Publishing done, returned oid=" + publishOid);
} catch(XmlBlasterException e) {
log.warning("XmlBlasterException: " + e.getMessage());
assertTrue("publish - XmlBlasterException: " + e.getMessage(), false);
}
assertTrue("returned publishOid == null", publishOid != null);
assertTrue("returned publishOid", 0 != publishOid.length());
assertEquals("returned publishOid is wrong", oidExact, publishOid);
}
/**
* TEST: Construct a message and publish it,<br />
* the previous XPath subscription should match and send an update.
*/
public void testPublishAfterSubscribe()
{
subscribeExact();
try { Thread.sleep(1000L); } catch( InterruptedException i) {} // Wait some time for callback to arrive ...
assertEquals("numReceived after subscribe", 0, numReceived); // there should be no Callback
testPublish();
waitOnUpdate(5000L);
assertEquals("numReceived after publishing", 1, numReceived); // message arrived?
}
/**
* This is the callback method invoked from xmlBlaster
* delivering us a new asynchronous message.
* @see org.xmlBlaster.client.I_Callback#update(String, UpdateKey, byte[], UpdateQos)
*/
public String update(String cbSessionId, UpdateKey updateKey, byte[] content, UpdateQos updateQos)
{
if (log.isLoggable(Level.FINER)) log.finer("Receiving update of a message from sender = " + updateQos.getSender() + " ...");
numReceived += 1;
// Wait that publish() returns and set 'publishOid' properly
try { Thread.sleep(200); } catch( InterruptedException i) {}
if (updateQos.isErased()) {
return "";
}
try {
assertEquals("Wrong sender", senderName, updateQos.getSender().getLoginName());
assertEquals("engine.qos.update.subscriptionId: Wrong subscriptionId", subscribeOid, updateQos.getSubscriptionId());
assertEquals("Wrong oid of message returned", publishOid, updateKey.getOid());
assertEquals("Message content is corrupted", new String(senderContent), new String(content));
assertEquals("Message contentMime is corrupted", contentMime, updateKey.getContentMime());
assertEquals("Message contentMimeExtended is corrupted", contentMimeExtended, updateKey.getContentMimeExtended());
}
catch (RuntimeException e) { // TODO: pass problem to junit
e.printStackTrace();
log.severe(e.toString());
throw e;
}
messageArrived = true;
return "";
}
/**
* Little helper, waits until the variable 'messageArrive' is set
* to true, or returns when the given timeout occurs.
* @param timeout in milliseconds
*/
private void waitOnUpdate(final long timeout)
{
long pollingInterval = 50L; // check every 0.05 seconds
if (timeout < 50) pollingInterval = timeout / 10L;
long sum = 0L;
while (!messageArrived) {
try {
Thread.sleep(pollingInterval);
}
catch( InterruptedException i)
{}
sum += pollingInterval;
if (sum > timeout) {
log.warning("Timeout of " + timeout + " occurred");
break;
}
}
messageArrived = false;
}
/**
* Method is used by TestRunner to load these tests
*/
public static Test suite()
{
TestSuite suite= new TestSuite();
String loginName = "Tim";
suite.addTest(new TestSubExact(new Global(), "testPublishAfterSubscribe", loginName));
return suite;
}
/**
* Invoke: java org.xmlBlaster.test.qos.TestSubExact
* @deprecated Use the TestRunner from the testsuite to run it:<p />
* <pre> java -Djava.compiler= junit.textui.TestRunner org.xmlBlaster.test.qos.TestSubExact</pre>
*/
public static void main(String args[])
{
Global glob = new Global();
if (glob.init(args) != 0) {
System.err.println(ME + ": Init failed");
System.exit(1);
}
TestSubExact testSub = new TestSubExact(glob, "TestSubExact", "Tim");
testSub.setUp();
testSub.testPublishAfterSubscribe();
testSub.tearDown();
}
}