Espresso test for loopback video quality testing

webrtc/examples/androidapp/src/org/appspot/apprtc/WebSocketRTCClient.java

 /*
  *  Copyright 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.
  */
 
@@ skipping 113 matching lines @@
       sendPostMessage(MessageType.LEAVE, leaveUrl, null);
     }
     roomState = ConnectionState.CLOSED;
     if (wsClient != null) {
       wsClient.disconnect(true);
     }
   }
 
   // Helper functions to get connection, post message and leave message URLs
   private String getConnectionUrl(RoomConnectionParameters connectionParameters) {
-    return connectionParameters.roomUrl + "/" + ROOM_JOIN + "/" + connectionParameters.roomId;
+    String url = connectionParameters.roomUrl + "/" + ROOM_JOIN + "/" + connectionParameters.roomId;
+    if (connectionParameters.urlParameters != null) {
+      url += "?" + connectionParameters.urlParameters;
+    }
+    return url;
   }
 
   private String getMessageUrl(
       RoomConnectionParameters connectionParameters, SignalingParameters signalingParameters) {
     return connectionParameters.roomUrl + "/" + ROOM_MESSAGE + "/" + connectionParameters.roomId
         + "/" + signalingParameters.clientId;
   }
 
   private String getLeaveUrl(
       RoomConnectionParameters connectionParameters, SignalingParameters signalingParameters) {
@@ skipping 265 matching lines @@
     jsonPut(json, "candidate", candidate.sdp);
     return json;
   }
 
   // Converts a JSON candidate to a Java object.
   IceCandidate toJavaCandidate(JSONObject json) throws JSONException {
     return new IceCandidate(
         json.getString("id"), json.getInt("label"), json.getString("candidate"));
   }
 }