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/*
* Copyright 2016 The WebRTC Project Authors. All rights reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
package org.appspot.apprtc;
import static org.junit.Assert.fail;
import static org.mockito.Mockito.timeout;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.verifyNoMoreInteractions;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
import org.robolectric.annotation.Config;
import org.robolectric.shadows.ShadowLog;
import org.robolectric.RobolectricTestRunner;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.TimeUnit;
@RunWith(RobolectricTestRunner.class)
@Config(manifest = Config.NONE)
public class TCPChannelClientTest {
private static final int PORT = 8888;
/**
* How long we wait before trying to connect to the server. Note: was
* previously only 10, which was too short (tests were flaky).
*/
private static final int SERVER_WAIT = 300;
private static final int CONNECT_TIMEOUT = 1000;
private static final int SEND_TIMEOUT = 1000;
private static final int DISCONNECT_TIMEOUT = 1000;
private static final int TERMINATION_TIMEOUT = 1000;
private static final String TEST_MESSAGE_SERVER = "Hello, Server!";
private static final String TEST_MESSAGE_CLIENT = "Hello, Client!";
@Mock TCPChannelClient.TCPChannelEvents serverEvents;
@Mock TCPChannelClient.TCPChannelEvents clientEvents;
private ExecutorService executor;
private TCPChannelClient server;
private TCPChannelClient client;
@Before
public void setUp() {
ShadowLog.stream = System.out;
MockitoAnnotations.initMocks(this);
executor = Executors.newSingleThreadExecutor();
}
@After
public void tearDown() {
verifyNoMoreEvents();
executeAndWait(new Runnable() {
@Override
public void run() {
client.disconnect();
server.disconnect();
}
});
// Stop the executor thread
executor.shutdown();
try {
executor.awaitTermination(TERMINATION_TIMEOUT, TimeUnit.MILLISECONDS);
} catch (InterruptedException e) {
fail(e.getMessage());
}
}
@Test
public void testConnectIPv4() {
setUpIPv4Server();
try {
Thread.sleep(SERVER_WAIT);
} catch (InterruptedException e) {
fail(e.getMessage());
}
setUpIPv4Client();
verify(serverEvents, timeout(CONNECT_TIMEOUT)).onTCPConnected(true);
verify(clientEvents, timeout(CONNECT_TIMEOUT)).onTCPConnected(false);
}
@Test
public void testConnectIPv6() {
setUpIPv6Server();
try {
Thread.sleep(SERVER_WAIT);
} catch (InterruptedException e) {
fail(e.getMessage());
}
setUpIPv6Client();
verify(serverEvents, timeout(CONNECT_TIMEOUT)).onTCPConnected(true);
verify(clientEvents, timeout(CONNECT_TIMEOUT)).onTCPConnected(false);
}
@Test
public void testSendData() {
testConnectIPv4();
executeAndWait(new Runnable() {
@Override
public void run() {
client.send(TEST_MESSAGE_SERVER);
server.send(TEST_MESSAGE_CLIENT);
}
});
verify(serverEvents, timeout(SEND_TIMEOUT)).onTCPMessage(TEST_MESSAGE_SERVER);
verify(clientEvents, timeout(SEND_TIMEOUT)).onTCPMessage(TEST_MESSAGE_CLIENT);
}
@Test
public void testDisconnectServer() {
testConnectIPv4();
executeAndWait(new Runnable() {
@Override
public void run() {
server.disconnect();
}
});
verify(serverEvents, timeout(DISCONNECT_TIMEOUT)).onTCPClose();
verify(clientEvents, timeout(DISCONNECT_TIMEOUT)).onTCPClose();
}
@Test
public void testDisconnectClient() {
testConnectIPv4();
executeAndWait(new Runnable() {
@Override
public void run() {
client.disconnect();
}
});
verify(serverEvents, timeout(DISCONNECT_TIMEOUT)).onTCPClose();
verify(clientEvents, timeout(DISCONNECT_TIMEOUT)).onTCPClose();
}
private void setUpIPv4Server() {
setUpServer("0.0.0.0", PORT);
}
private void setUpIPv4Client() {
setUpClient("127.0.0.1", PORT);
}
private void setUpIPv6Server() {
setUpServer("::", PORT);
}
private void setUpIPv6Client() {
setUpClient("::1", PORT);
}
private void setUpServer(String ip, int port) {
server = new TCPChannelClient(executor, serverEvents, ip, port);
}
private void setUpClient(String ip, int port) {
client = new TCPChannelClient(executor, clientEvents, ip, port);
}
/**
* Verifies no more server or client events have been issued
*/
private void verifyNoMoreEvents() {
verifyNoMoreInteractions(serverEvents);
verifyNoMoreInteractions(clientEvents);
}
/**
* Queues runnable to be run and waits for it to be executed by the executor thread
*/
public void executeAndWait(Runnable runnable) {
try {
executor.submit(runnable).get();
} catch (Exception e) {
fail(e.getMessage());
}
}
}
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