background.extjs revision 1320f92c476a1ad9d19dba2a48c72b75566198e9 
1// Copyright 2014 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// Include test fixture.
6GEN_INCLUDE(['../../testing/chromevox_e2e_test_base.js']);
7
8/**
9 * Test fixture for cvox2.Background.
10 * @constructor
11 * @extends {ChromeVoxE2ETest}
12 */
13function BackgroundTest() {}
14
15BackgroundTest.prototype = {
16  __proto__: ChromeVoxE2ETest.prototype,
17
18  // This method is called without a |this| instance bound.
19  /** @override */
20  testGenCppIncludes: function() {
21    ChromeVoxE2ETest.prototype.testGenCppIncludes.call(this);
22    GEN('#include "base/command_line.h"');
23    GEN('#include "chromeos/chromeos_switches.h"');
24  },
25
26  // This method is called without a |this| instance bound.
27  /** @override */
28  testGenPreamble: function() {
29    GEN_BLOCK(function() {/*!
30      CommandLine* command_line = CommandLine::ForCurrentProcess();
31      command_line->AppendSwitch(chromeos::switches::kEnableChromeVoxNext);
32    */});
33    ChromeVoxE2ETest.prototype.testGenPreamble.call(this);
34  },
35
36  /** @override */
37  setUp: function() {
38    this.mockTts = new MockTts();
39    cvox.ChromeVox.tts = this.mockTts;
40  }
41};
42
43/**
44 * Mock tts class.
45 * @constructor
46 * @extends {cvox.TtsInterface}
47 */
48var MockTts = function() {
49};
50
51MockTts.prototype = {
52  /** Tracks all spoken text. @type {!Array.<string>} */
53  utterances: [],
54
55  /** @override */
56  speak: function(textString, queueMode, properties) {
57    this.utterances.push(textString);
58  },
59
60  /**
61   * Checks to see if a string was spoken.
62   * @param {string} textString The string to check.
63   * @return {boolean} True if the string was spoken (possibly as part of a
64   * larger utterance).
65   */
66  checkIfSubstringWasSpoken: function(textString) {
67    return this.utterances.some(function(t) {
68      return t.indexOf(textString) != -1;
69    });
70  }
71};
72
73/** Tests that ChromeVox classic is in this context. */
74SYNC_TEST_F('BackgroundTest', 'ClassicNamespaces', function() {
75  assertEquals('object', typeof(cvox));
76  assertEquals('function', typeof(cvox.ChromeVoxBackground));
77});
78
79/** Tests that ChromeVox next is in this context. */
80SYNC_TEST_F('BackgroundTest', 'NextNamespaces', function() {
81  assertEquals('object', typeof(cvox2));
82  assertEquals('function', typeof(cvox2.Background));
83});
84
85/** Tests that ChromeVox reads the desktop tree. */
86TEST_F('BackgroundTest', 'DesktopFocus', function() {
87  function findStatusTray(root) {
88    if (root.role == chrome.automation.RoleType.button &&
89        root.attributes.name &&
90        root.attributes.name.indexOf('Status tray') != -1) {
91      return root;
92    }
93    for (var i = 0; i < root.children().length; i++) {
94      var found = findStatusTray(root.children()[i]);
95      if (found)
96        return found;
97    }
98    return null;
99  }
100
101  chrome.automation.getDesktop(function(root) {
102    var testButton = findStatusTray(root);
103    testButton.addEventListener(chrome.automation.EventType.focus,
104        function(e) {
105          var result =
106              cvox.ChromeVox.tts.checkIfSubstringWasSpoken('Status tray');
107          testDone([result, '']);
108        },
109        true);
110    testButton.focus();
111  });
112});
113