addon-sdk/source/lib/sdk/test/utils.js@6474c204b198
addon-sdk/source/lib/sdk/test/utils.js
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
1 /* This Source Code Form is subject to the terms of the Mozilla Public
2 * License, v. 2.0. If a copy of the MPL was not distributed with this
3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
5 'use strict';
7 module.metadata = {
8 'stability': 'unstable'
9 };
11 const { defer } = require('../core/promise');
12 const { setInterval, clearInterval } = require('../timers');
14 function getTestNames (exports)
15 Object.keys(exports).filter(name => /^test/.test(name))
17 function isTestAsync (fn) fn.length > 1
18 function isHelperAsync (fn) fn.length > 2
20 /*
21 * Takes an `exports` object of a test file and a function `beforeFn`
22 * to be run before each test. `beforeFn` is called with a `name` string
23 * as the first argument of the test name, and may specify a second
24 * argument function `done` to indicate that this function should
25 * resolve asynchronously
26 */
27 function before (exports, beforeFn) {
28 getTestNames(exports).map(name => {
29 let testFn = exports[name];
30 if (!isTestAsync(testFn) && !isHelperAsync(beforeFn)) {
31 exports[name] = function (assert) {
32 beforeFn(name, assert);
33 testFn(assert);
34 };
35 }
36 else if (isTestAsync(testFn) && !isHelperAsync(beforeFn)) {
37 exports[name] = function (assert, done) {
38 beforeFn(name, assert);
39 testFn(assert, done);
40 };
41 }
42 else if (!isTestAsync(testFn) && isHelperAsync(beforeFn)) {
43 exports[name] = function (assert, done) {
44 beforeFn(name, assert, () => {
45 testFn(assert);
46 done();
47 });
48 };
49 } else if (isTestAsync(testFn) && isHelperAsync(beforeFn)) {
50 exports[name] = function (assert, done) {
51 beforeFn(name, assert, () => {
52 testFn(assert, done);
53 });
54 };
55 }
56 });
57 }
58 exports.before = before;
60 /*
61 * Takes an `exports` object of a test file and a function `afterFn`
62 * to be run after each test. `afterFn` is called with a `name` string
63 * as the first argument of the test name, and may specify a second
64 * argument function `done` to indicate that this function should
65 * resolve asynchronously
66 */
67 function after (exports, afterFn) {
68 getTestNames(exports).map(name => {
69 let testFn = exports[name];
70 if (!isTestAsync(testFn) && !isHelperAsync(afterFn)) {
71 exports[name] = function (assert) {
72 testFn(assert);
73 afterFn(name, assert);
74 };
75 }
76 else if (isTestAsync(testFn) && !isHelperAsync(afterFn)) {
77 exports[name] = function (assert, done) {
78 testFn(assert, () => {
79 afterFn(name, assert);
80 done();
81 });
82 };
83 }
84 else if (!isTestAsync(testFn) && isHelperAsync(afterFn)) {
85 exports[name] = function (assert, done) {
86 testFn(assert);
87 afterFn(name, assert, done);
88 };
89 } else if (isTestAsync(testFn) && isHelperAsync(afterFn)) {
90 exports[name] = function (assert, done) {
91 testFn(assert, () => {
92 afterFn(name, assert, done);
93 });
94 };
95 }
96 });
97 }
98 exports.after = after;
100 function waitUntil (predicate, delay) {
101 let { promise, resolve } = defer();
102 let interval = setInterval(() => {
103 if (!predicate()) return;
104 clearInterval(interval);
105 resolve();
106 }, delay || 10);
107 return promise;
108 }
109 exports.waitUntil = waitUntil;
