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 reconnectedSession = null;
  13 var presentationUrl = "http://www.google.com/#__testprovider__=true";
  14 var startSessionRequest = new PresentationRequest(presentationUrl);
  15 var defaultRequestSessionId = null;
  16
  17 window.navigator.presentation.defaultRequest = startSessionRequest;
  18 window.navigator.presentation.defaultRequest.onsessionconnect = function(e) {
  19   defaultRequestSessionId = e.session.id;
  20 };
  21
  22 /**
  23  * Waits until one device is available.
  24  */
  25 function waitUntilDeviceAvailable() {
  26   startSessionRequest.getAvailability(presentationUrl).then(
  27   function(availability) {
  28     console.log('availability ' + availability.value + '\n');
  29     if (availability.value) {
  30       sendResult(true, '');
  31     } else {
  32       sendResult(false, 'device unavailable');
  33     }
  34   }).catch(function(){
  35     sendResult(false, 'got error');
  36   });
  37 }
  38
  39 /**
  40  * Starts session.
  41  */
  42 function startSession() {
  43   startSessionPromise = startSessionRequest.start();
  44   console.log('start session');
  45   sendResult(true, '');
  46 }
  47
  48 /**
  49  * Checks if the session has been started successfully.
  50  */
  51 function checkSession() {
  52   if (!startSessionPromise) {
  53     sendResult(false, 'Failed to start session');
  54   } else {
  55     startSessionPromise.then(function(session) {
  56       if(!session) {
  57         sendResult(false, 'Failed to start session');
  58       } else {
  59         // set the new session
  60         startedSession = session;
  61         sendResult(true, '');
  62       }
  63     }).catch(function() {
  64       // close old session if exists
  65       startedSession && startedSession.close();
  66       sendResult(false, 'Failed to start session');
  67     })
  68   }
  69 }
  70
  71
  72 /**
  73  * Stops current session.
  74  */
  75 function stopSession() {
  76   if (startedSession) {
  77     startedSession.close();
  78   }
  79   sendResult(true, '');
  80 }
  81
  82
  83 /**
  84  * Reconnects to |sessionId| and verifies that it succeeds.
  85  * @param {!string} sessionId ID of session to reconnect.
  86  */
  87 function reconnectSession(sessionId) {
  88   var reconnectSessionRequest = new PresentationRequest(presentationUrl);
  89   reconnectSessionRequest.reconnect(sessionId).then(function(session) {
  90     if (!session) {
  91       sendResult(false, 'reconnectSession returned null session');
  92     } else {
  93       reconnectedSession = session;
  94       sendResult(true, '');
  95     }
  96   }).catch(function(error) {
  97     sendResult(false, 'reconnectSession failed: ' + error.message);
  98   });
  99 }
 100
 101 /**
 102  * Calls reconnect(sessionId) and verifies that it fails.
 103  * @param {!string} sessionId ID of session to reconnect.
 104  * @param {!string} expectedErrorMessage
 105  */
 106 function reconnectSessionAndExpectFailure(sessionId, expectedErrorMessage) {
 107   var reconnectSessionRequest = new PresentationRequest(presentationUrl);
 108   reconnectSessionRequest.reconnect(sessionId).then(function(session) {
 109     sendResult(false, 'reconnect() unexpectedly succeeded.');
 110   }).catch(function(error) {
 111     if (error.message.indexOf(expectedErrorMessage) > -1) {
 112       sendResult(true, '');
 113     } else {
 114       sendResult(false,
 115         'Error message mismatch. Expected: ' + expectedErrorMessage +
 116         ', actual: ' + error.message);
 117     }
 118   });
 119 }
 120
 121 /**
 122  * Sends the test result back to browser test.
 123  * @param passed true if test passes, otherwise false.
 124  * @param errorMessage empty string if test passes, error message if test
 125  *                      fails.
 126  */
 127 function sendResult(passed, errorMessage) {
 128   window.domAutomationController.send(JSON.stringify({
 129     passed: passed,
 130     errorMessage: errorMessage
 131   }));
 132 }