Adding webrtc_video_streaming test

This test is streaming video and audio between two bots using webrtc js api.

R=andresp@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/28469004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@7261 4adac7df-926f-26a2-2b94-8c16560cd09d

webrtc/tools/rtcbot/test/webrtc_video_streaming.js

@@ -0,0 +1,94 @@
+// Copyright (c) 2014 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.
+//
+// A unidirectional video and audio flowing test from bot 1 to bot 2.
+//
+// Note: the source of the video and audio stream is getUserMedia().
+//
+// TODO(houssainy): get a condition to terminate the test.
+//
+function testVideoStreaming(bot1, bot2) {
+  var pc1 = null;
+  var pc2 = null;
+
+  test.wait([
+      createPeerConnection.bind(bot1),
+      createPeerConnection.bind(bot2) ],
+    onPeerConnectionCreated);
+
+  function createPeerConnection(done) {
+    this.createPeerConnection(done, test.fail);
+  }
+
+  function onPeerConnectionCreated(peer1, peer2) {
+    test.log("RTC Peers created.");
+    pc1 = peer1;
+    pc2 = peer2;
+    pc1.addEventListener('addstream', test.fail);
+    pc2.addEventListener('addstream', onAddStream);
+    pc1.addEventListener('icecandidate', onIceCandidate.bind(pc2));
+    pc2.addEventListener('icecandidate', onIceCandidate.bind(pc1));
+
+    bot1.getUserMedia({video:true, audio:true}, onUserMediaSuccess, test.fail);
+
+    function onUserMediaSuccess(stream) {
+      test.log("User has granted access to local media.");
+      pc1.addStream(stream);
+      bot1.showStream(stream.id, true, true);
+
+      createOfferAndAnswer();
+    }
+  }
+
+  function onAddStream(event) {
+    test.log("On Add stream.");
+    bot2.showStream(event.stream.id, true, false);
+  }
+
+  function onIceCandidate(event) {
+    if(event.candidate){
+      test.log(event.candidate.candidate);
+      this.addIceCandidate(event.candidate,
+         onAddIceCandidateSuccess, test.fail);
+    };
+
+    function onAddIceCandidateSuccess() {
+      test.log("Candidate added successfully");
+    };
+  }
+
+  function createOfferAndAnswer() {
+    test.log("Creating offer.");
+    pc1.createOffer(gotOffer, test.fail);
+
+    function gotOffer(offer) {
+      test.log("Got offer");
+      pc1.setLocalDescription(offer, onSetSessionDescriptionSuccess, test.fail);
+      pc2.setRemoteDescription(offer, onSetSessionDescriptionSuccess,
+          test.fail);
+      test.log("Creating answer");
+      pc2.createAnswer(gotAnswer, test.fail);
+    }
+
+    function gotAnswer(answer) {
+      test.log("Got answer");
+      pc2.setLocalDescription(answer, onSetSessionDescriptionSuccess,
+          test.fail);
+      pc1.setRemoteDescription(answer, onSetSessionDescriptionSuccess,
+          test.fail);
+    }
+
+    function onSetSessionDescriptionSuccess() {
+      test.log("Set session description success.");
+    }
+  }
+}
+
+test.wait( [ test.spawnBot.bind(test, "alice"),
+             test.spawnBot.bind(test, "bob") ],
+          testVideoStreaming);