chrome/test/media_router/resources/common.js

   1 /**
   2  * Copyright 2015 The Chromium Authors. All rights reserved.
   3  * Use of this source code is governed by a BSD-style license that can be
   4  * found in the LICENSE file.
   5  *
   6  * @fileoverview Common APIs for presentation integration tests.
   7  *
   8  */
   9
  10 var startSessionPromise = null;
  11 var startedSession = null;
  12 var joinedSession = null;
  13 var presentationUrl = "http://www.google.com/#__testprovider__=true";
  14 var startSessionRequest = new PresentationRequest(presentationUrl);
  15
  16 window.navigator.presentation.defaultRequest = startSessionRequest;
  17
  18 /**
  19  * Waits until one device is available.
  20  */
  21 function waitUntilDeviceAvailable() {
  22   startSessionRequest.getAvailability(presentationUrl).then(
  23   function(availability) {
  24     console.log('availability ' + availability.value + '\n');
  25     if (availability.value) {
  26       sendResult(true, '');
  27     } else {
  28       sendResult(false, 'device unavailable');
  29     }
  30   }).catch(function(){
  31     sendResult(false, 'got error');
  32   });
  33 }
  34
  35 /**
  36  * Starts session.
  37  */
  38 function startSession() {
  39   startSessionPromise = startSessionRequest.start();
  40   console.log('start session');
  41   sendResult(true, '');
  42 }
  43
  44 /**
  45  * Checks if the session has been started successfully.
  46  */
  47 function checkSession() {
  48   if (!startSessionPromise) {
  49     sendResult(false, 'Failed to start session');
  50   } else {
  51     startSessionPromise.then(function(session) {
  52       if(!session) {
  53         sendResult(false, 'Failed to start session');
  54       } else {
  55         // set the new session
  56         startedSession = session;
  57         sendResult(true, '');
  58       }
  59     }).catch(function() {
  60       // close old session if exists
  61       startedSession && startedSession.close();
  62       sendResult(false, 'Failed to start session');
  63     })
  64   }
  65 }
  66
  67
  68 /**
  69  * Stops current session.
  70  */
  71 function stopSession() {
  72   if (startedSession) {
  73     startedSession.close();
  74   }
  75   sendResult(true, '');
  76 }
  77
  78
  79 /**
  80  * Joins the started session and verify that it succeeds.
  81  * @param {!string} sessionId ID of session to join.
  82  */
  83 function joinSession(sessionId) {
  84   var joinSessionRequest = new PresentationRequest(presentationUrl);
  85   joinSessionRequest.join(sessionId).then(function(session) {
  86     if (!session) {
  87       sendResult(false, 'joinSession returned null session');
  88     } else {
  89       joinedSession = session;
  90       sendResult(true, '');
  91     }
  92   }).catch(function(error) {
  93     sendResult(false, 'joinSession failed: ' + error.message);
  94   });
  95 }
  96
  97 /**
  98  * Sends the test result back to browser test.
  99  * @param passed true if test passes, otherwise false.
 100  * @param errorMessage empty string if test passes, error message if test
 101  *                      fails.
 102  */
 103 function sendResult(passed, errorMessage) {
 104   window.domAutomationController.send(JSON.stringify({
 105     passed: passed,
 106     errorMessage: errorMessage
 107   }));
 108 }