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1 // Copyright 2013 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 // Common test utilities. | |
6 | |
7 function emptyMock() {} | |
8 | |
9 // Container for event handlers added by mocked 'addListener' functions. | |
10 var mockEventHandlers = {}; | |
11 | |
12 /** | |
13 * Mocks 'addListener' function of an API event. The mocked function will keep | |
14 * track of handlers. | |
15 * @param {Object} topLevelContainer Top-level container of the original | |
16 * function. Can be either 'chrome' or 'instrumented'. | |
17 * @param {string} eventIdentifier Event identifier, such as | |
18 * 'runtime.onSuspend'. | |
19 */ | |
20 function mockChromeEvent(topLevelContainer, eventIdentifier) { | |
21 var eventIdentifierParts = eventIdentifier.split('.'); | |
22 var eventName = eventIdentifierParts.pop(); | |
23 var originalMethodContainer = topLevelContainer; | |
24 var mockEventContainer = mockEventHandlers; | |
25 eventIdentifierParts.forEach(function(fragment) { | |
26 originalMethodContainer = | |
skare_
2013/08/29 21:28:22
if I'm reading this right (and I might not be) I t
skare_
2013/08/29 21:46:33
never mind -- this can already exist and you need
vadimt
2013/08/29 21:46:58
Discussed in person. Needed to create intermediate
| |
27 originalMethodContainer[fragment] = | |
28 originalMethodContainer[fragment] || {}; | |
29 mockEventContainer = | |
30 mockEventContainer[fragment] = | |
31 mockEventContainer[fragment] || {}; | |
32 }); | |
33 | |
34 mockEventContainer[eventName] = []; | |
35 originalMethodContainer[eventName] = { | |
36 addListener: function(callback) { | |
37 mockEventContainer[eventName].push(callback); | |
38 } | |
39 }; | |
40 } | |
41 | |
42 /** | |
43 * Gets the array of event handlers added by a mocked 'addListener' function. | |
44 * @param {string} eventIdentifier Event identifier, such as | |
45 * 'runtime.onSuspend'. | |
46 * @return {Array.<Function>} Array of handlers. | |
47 */ | |
48 function getMockHandlerContainer(eventIdentifier) { | |
49 var eventIdentifierParts = eventIdentifier.split('.'); | |
50 var mockEventContainer = mockEventHandlers; | |
51 eventIdentifierParts.forEach(function(fragment) { | |
52 mockEventContainer = mockEventContainer[fragment]; | |
53 }); | |
54 | |
55 return mockEventContainer; | |
56 } | |
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