mirror of
https://github.com/vanitasvitae/Smack.git
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257 lines
No EOL
10 KiB
Java
257 lines
No EOL
10 KiB
Java
/**
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*
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* All rights reserved. Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.jivesoftware.smack;
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import java.util.concurrent.CountDownLatch;
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import java.util.concurrent.TimeUnit;
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import org.jivesoftware.smack.test.SmackTestCase;
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import org.jivesoftware.smackx.ping.PingManager;
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/**
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* Tests the connection and reconnection mechanism
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*
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* @author Francisco Vives
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*/
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public class ReconnectionTest extends SmackTestCase {
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private static final long MIN_RECONNECT_WAIT = 17; // Seconds
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public ReconnectionTest(String arg0) {
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super(arg0);
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}
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/**
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* Tests an automatic reconnection.
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* Simulates a connection error and then waits until gets reconnected.
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*/
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public void testAutomaticReconnection() throws Exception {
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XMPPConnection connection = getConnection(0);
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CountDownLatch latch = new CountDownLatch(1);
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XMPPConnectionTestListener listener = new XMPPConnectionTestListener(latch);
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connection.addConnectionListener(listener);
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// Simulates an error in the connection
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connection.notifyConnectionError(new Exception("Simulated Error"));
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latch.await(MIN_RECONNECT_WAIT, TimeUnit.SECONDS);
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// After 10 seconds, the reconnection manager must reestablishes the connection
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assertEquals("The ConnectionListener.connectionStablished() notification was not fired", true, listener.reconnected);
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assertTrue("The ReconnectionManager algorithm has reconnected without waiting at least 5 seconds", listener.attemptsNotifications > 0);
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// Executes some server interaction testing the connection
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executeSomeServerInteraction(connection);
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}
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public void testAutomaticReconnectionWithCompression() throws Exception {
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// Create the configuration for this new connection
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ConnectionConfiguration config = new ConnectionConfiguration(getHost(), getPort());
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config.setCompressionEnabled(true);
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config.setSASLAuthenticationEnabled(true);
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XMPPConnection connection = new XMPPConnection(config);
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// Connect to the server
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connection.connect();
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// Log into the server
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connection.login(getUsername(0), getPassword(0), "MyOtherResource");
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assertTrue("Failed to use compression", connection.isUsingCompression());
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// Executes some server interaction testing the connection
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executeSomeServerInteraction(connection);
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CountDownLatch latch = new CountDownLatch(1);
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XMPPConnectionTestListener listener = new XMPPConnectionTestListener(latch);
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connection.addConnectionListener(listener);
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// Simulates an error in the connection
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connection.notifyConnectionError(new Exception("Simulated Error"));
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latch.await(MIN_RECONNECT_WAIT, TimeUnit.SECONDS);
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// After 10 seconds, the reconnection manager must reestablishes the connection
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assertEquals("The ConnectionListener.connectionEstablished() notification was not fired", true, listener.reconnected);
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assertTrue("The ReconnectionManager algorithm has reconnected without waiting at least 5 seconds", listener.attemptsNotifications > 0);
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// Executes some server interaction testing the connection
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executeSomeServerInteraction(connection);
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}
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/**
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* Tests a manual reconnection.
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* Simulates a connection error, disables the reconnection mechanism and then reconnects.
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*/
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public void testManualReconnectionWithCancelation() throws Exception {
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XMPPConnection connection = getConnection(0);
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CountDownLatch latch = new CountDownLatch(1);
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XMPPConnectionTestListener listener = new XMPPConnectionTestListener(latch);
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connection.addConnectionListener(listener);
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// Produces a connection error
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connection.notifyConnectionError(new Exception("Simulated Error"));
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assertEquals(
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"An error occurs but the ConnectionListener.connectionClosedOnError(e) was not notified",
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true, listener.connectionClosedOnError);
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// Thread.sleep(1000);
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// Cancels the automatic reconnection
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connection.getConfiguration().setReconnectionAllowed(false);
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// Waits for a reconnection that must not happened.
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Thread.sleep(MIN_RECONNECT_WAIT * 1000);
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// Cancels the automatic reconnection
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assertEquals(false, listener.reconnected);
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// Makes a manual reconnection from an error terminated connection without reconnection
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connection.connect();
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// Executes some server interaction testing the connection
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executeSomeServerInteraction(connection);
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}
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/**
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* Tests a manual reconnection after a login.
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* Closes the connection and then reconnects.
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*/
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public void testCloseAndManualReconnection() throws Exception {
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XMPPConnection connection = getConnection(0);
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String username = connection.getConfiguration().getUsername();
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String password = connection.getConfiguration().getPassword();
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XMPPConnectionTestListener listener = new XMPPConnectionTestListener();
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connection.addConnectionListener(listener);
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// Produces a normal disconnection
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connection.disconnect();
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assertEquals("ConnectionListener.connectionClosed() was not notified",
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true, listener.connectionClosed);
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// Waits 10 seconds waiting for a reconnection that must not happened.
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Thread.sleep(MIN_RECONNECT_WAIT * 1000);
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assertEquals("The connection was stablished but it was not allowed to", false,
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listener.reconnected);
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// Makes a manual reconnection
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connection.connect();
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connection.login(username, password);
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// Executes some server interaction testing the connection
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executeSomeServerInteraction(connection);
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}
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/**
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* Tests a reconnection in a anonymously logged connection.
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* Closes the connection and then reconnects.
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*/
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public void testAnonymousReconnection() throws Exception {
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XMPPConnection connection = createConnection();
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connection.connect();
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XMPPConnectionTestListener listener = new XMPPConnectionTestListener();
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connection.addConnectionListener(listener);
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// Makes the anounymous login
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connection.loginAnonymously();
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// Produces a normal disconnection
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connection.disconnect();
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assertEquals("ConnectionListener.connectionClosed() was not notified",
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true, listener.connectionClosed);
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// Makes a manual reconnection
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connection.connect();
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connection.loginAnonymously();
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assertEquals("Failed the manual connection", true, connection.isAnonymous());
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}
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private XMPPConnection createXMPPConnection() throws Exception {
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XMPPConnection connection;
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// Create the configuration
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ConnectionConfiguration config = new ConnectionConfiguration(getHost(), getPort());
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config.setCompressionEnabled(Boolean.getBoolean("test.compressionEnabled"));
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config.setSASLAuthenticationEnabled(true);
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connection = new XMPPConnection(config);
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return connection;
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}
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/**
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* Execute some server interaction in order to test that the regenerated connection works fine.
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*/
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private void executeSomeServerInteraction(XMPPConnection connection) throws XMPPException {
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PingManager pingManager = PingManager.getInstanceFor(connection);
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pingManager.pingMyServer();
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}
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protected int getMaxConnections() {
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return 1;
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}
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private class XMPPConnectionTestListener implements ConnectionListener {
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// Variables to support listener notifications verification
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private volatile boolean connectionClosed = false;
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private volatile boolean connectionClosedOnError = false;
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private volatile boolean reconnected = false;
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private volatile boolean reconnectionFailed = false;
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private volatile int remainingSeconds = 0;
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private volatile int attemptsNotifications = 0;
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private volatile boolean reconnectionCanceled = false;
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private CountDownLatch countDownLatch;
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private XMPPConnectionTestListener(CountDownLatch latch) {
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countDownLatch = latch;
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}
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private XMPPConnectionTestListener() {
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}
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/**
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* Methods to test the listener.
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*/
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public void connectionClosed() {
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connectionClosed = true;
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if (countDownLatch != null)
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countDownLatch.countDown();
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}
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public void connectionClosedOnError(Exception e) {
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connectionClosedOnError = true;
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}
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public void reconnectionCanceled() {
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reconnectionCanceled = true;
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if (countDownLatch != null)
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countDownLatch.countDown();
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}
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public void reconnectingIn(int seconds) {
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attemptsNotifications = attemptsNotifications + 1;
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remainingSeconds = seconds;
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}
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public void reconnectionSuccessful() {
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reconnected = true;
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if (countDownLatch != null)
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countDownLatch.countDown();
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}
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public void reconnectionFailed(Exception error) {
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reconnectionFailed = true;
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if (countDownLatch != null)
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countDownLatch.countDown();
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}
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}
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} |