Direct IP connect functionality for AppRTC Android demo.

webrtc/examples/androidjunit/src/org/appspot/apprtc/TCPChannelClientTest.java

Index: webrtc/examples/androidjunit/src/org/appspot/apprtc/TCPChannelClientTest.java
diff --git a/webrtc/examples/androidjunit/src/org/appspot/apprtc/TCPChannelClientTest.java b/webrtc/examples/androidjunit/src/org/appspot/apprtc/TCPChannelClientTest.java
new file mode 100644
index 0000000000000000000000000000000000000000..4c602994561a5c2f068e40add164c7a65f59e121
--- /dev/null
+++ b/webrtc/examples/androidjunit/src/org/appspot/apprtc/TCPChannelClientTest.java
@@ -0,0 +1,195 @@
+/*
+ *  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 org.appspot.apprtc.util.LooperExecutor;
+import org.appspot.apprtc.util.RobolectricLooperExecutor;
+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.mockito.invocation.InvocationOnMock;
+import org.mockito.stubbing.Answer;
+import org.robolectric.RobolectricTestRunner;
+import org.robolectric.annotation.Config;
+import org.robolectric.shadows.ShadowLog;
+
+import java.util.concurrent.ArrayBlockingQueue;
+import java.util.concurrent.BlockingQueue;
+
+import static org.junit.Assert.fail;
+import static org.mockito.Matchers.any;
+import static org.mockito.Mockito.doAnswer;
+import static org.mockito.Mockito.timeout;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.verifyNoMoreInteractions;
+import static org.mockito.Mockito.when;
+
+@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. Chosen quite arbitrarily and
+   * could be made smaller if need be.
+   */
+  private static final int SERVER_WAIT = 10;
+  private static final int CONNECT_TIMEOUT = 100;
+  private static final int SEND_TIMEOUT = 100;
+  private static final int DISCONNECT_TIMEOUT = 100;
+  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 RobolectricLooperExecutor executor;
+  private TCPChannelClient server;
+  private TCPChannelClient client;
+
+
+  @Before
+  public void setUp() {
+    ShadowLog.stream = System.out;
+
+    MockitoAnnotations.initMocks(this);
+
+    executor = new RobolectricLooperExecutor();
+    executor.requestStart();
+  }
+
+  @After
+  public void tearDown() {
+    verifyNoMoreEvents();
+
+    executor.executeAndWait(new Runnable() {
+      @Override
+      public void run() {
+        client.disconnect();
+        server.disconnect();
+      }
+    });
+
+    // Stop the executor thread
+    executor.requestStop();
+    try {
+      executor.join();
+    } 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();
+
+    executor.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();
+    executor.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();
+    executor.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);
+  }
+}