extensions/test/data/api_test/printer_provider/request_printers/test.js

   1 // Copyright 2015 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 chrome.test.sendMessage('loaded', function(test) {
   6   chrome.test.runTests([function printTest() {
   7     if (test == 'NO_LISTENER') {
   8       chrome.test.sendMessage('ready');
   9       chrome.test.succeed();
  10       return;
  11     }
  12
  13     chrome.printerProvider.onGetPrintersRequested.addListener(
  14         function(callback) {
  15           chrome.test.assertFalse(!!chrome.printerProviderInternal);
  16           chrome.test.assertTrue(!!callback);
  17
  18           if (test == 'ASYNC_RESPONSE') {
  19             setTimeout(callback.bind(null, [{
  20               id: 'printer1',
  21               name: 'Printer 1',
  22               description: 'Test printer',
  23             }]), 0);
  24             chrome.test.succeed();
  25             return;
  26           }
  27
  28           if (test == 'IGNORE_CALLBACK') {
  29             chrome.test.succeed();
  30             return;
  31           }
  32
  33           if (test == 'NOT_ARRAY') {
  34             chrome.test.assertThrows(
  35                 callback,
  36                 ['XXX'],
  37                 'Invalid value for argument 1. ' +
  38                 'Expected \'array\' but got \'string\'.');
  39           } else if (test == 'INVALID_PRINTER_TYPE') {
  40             chrome.test.assertThrows(
  41                 callback,
  42                 [[{
  43                   id: 'printer1',
  44                   name: 'Printer 1',
  45                   description: 'Test printer'
  46                 }, 'printer2']],
  47                 'Invalid value for argument 1. ' +
  48                 'Property \'.1\': Expected \'object\' but got \'string\'.');
  49           } else if (test == 'INVALID_PRINTER') {
  50             chrome.test.assertThrows(
  51                 callback,
  52                 [[{
  53                   id: 'printer1',
  54                   name: 'Printer 1',
  55                   description: 'Test printer',
  56                   unsupported: 'print'
  57                 }]],
  58                 'Invalid value for argument 1. ' +
  59                 'Property \'.0.unsupported\': Unexpected property.');
  60           } else {
  61             chrome.test.assertEq('OK', test);
  62             callback([{
  63               id: 'printer1',
  64               name: 'Printer 1',
  65               description: 'Test printer',
  66             }, {
  67               id: 'printerNoDesc',
  68               name: 'Printer 2'
  69             }]);
  70           }
  71
  72           chrome.test.assertThrows(
  73               callback,
  74               [],
  75               'Event callback must not be called more than once.');
  76
  77           chrome.test.succeed();
  78         });
  79
  80     chrome.test.sendMessage('ready');
  81   }]);
  82 });