chrome/test/chromedriver/js/test.js

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 /**
   6  * Asserts the value is true.
   7  * @param {*} x The value to assert.
   8  */
   9 function assert(x) {
  10   if (!x)
  11     throw new Error();
  12 }
  13
  14 /**
  15  * Asserts the values are equal.
  16  * @param {*} x The value to assert.
  17  */
  18 function assertEquals(x, y) {
  19   if (x != y)
  20     throw new Error(x + ' != ' + y);
  21 }
  22
  23 /**
  24  * Runs the given test.
  25  * @param {function()} test The test to run.
  26  * @param {function()} onPass The function to call if and when the
  27  *     function passes.
  28  */
  29 function runTest(test, onPass) {
  30   var shouldContinue = true;
  31   var runner = {
  32     waitForAsync: function(description) {
  33       shouldContinue = false;
  34       console.log('Waiting for ', description);
  35     },
  36
  37     continueTesting: function() {
  38       shouldContinue = true;
  39       window.setTimeout(function() {
  40         if (shouldContinue)
  41           onPass();
  42       }, 0);
  43     }
  44   };
  45
  46   test(runner);
  47   if (shouldContinue)
  48     onPass();
  49 }
  50
  51 /**
  52  * Runs all tests and reports the results via the console.
  53  */
  54 function runTests() {
  55   var tests = [];
  56   for (var i in window) {
  57     if (i.indexOf('test') == 0)
  58       tests.push(window[i]);
  59   }
  60   console.log('Running %d tests...', tests.length);
  61
  62   var testNo = 0;
  63   function runNextTest() {
  64     if (testNo >= tests.length) {
  65       console.log('All tests passed');
  66       return;
  67     }
  68
  69     function onPass() {
  70       testNo++;
  71       runNextTest();
  72     }
  73
  74     var test = tests[testNo];
  75     console.log('Running (%d/%d) -- %s', testNo + 1, tests.length, test.name);
  76     runTest(test, onPass);
  77   }
  78   runNextTest();
  79 }
  80
  81 window.addEventListener('load', function() {
  82   runTests();
  83 });