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comparison: addon-sdk/source/test/event/helpers.js
addon-sdk/source/test/event/helpers.js
- changeset 0
- 6474c204b198
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| 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/. */ | |
| 4 | |
| 5 "use strict"; | |
| 6 | |
| 7 const { on, once, off, emit, count } = require("sdk/event/core"); | |
| 8 | |
| 9 function scenario(setup) { | |
| 10 return function(unit) { | |
| 11 return function(assert) { | |
| 12 let actual = []; | |
| 13 let input = {}; | |
| 14 unit(input, function(output, events, expected, message) { | |
| 15 let result = setup(output, expected, actual); | |
| 16 | |
| 17 events.forEach(function(event) emit(input, "data", event)); | |
| 18 | |
| 19 assert.deepEqual(actual, result, message); | |
| 20 }); | |
| 21 } | |
| 22 } | |
| 23 } | |
| 24 | |
| 25 exports.emits = scenario(function(output, expected, actual) { | |
| 26 on(output, "data", function(data) actual.push(this, data)); | |
| 27 | |
| 28 return expected.reduce(function($$, $) $$.concat(output, $), []); | |
| 29 }); | |
| 30 | |
| 31 exports.registerOnce = scenario(function(output, expected, actual) { | |
| 32 function listener(data) actual.push(data); | |
| 33 on(output, "data", listener); | |
| 34 on(output, "data", listener); | |
| 35 on(output, "data", listener); | |
| 36 | |
| 37 return expected; | |
| 38 }); | |
| 39 | |
| 40 exports.ignoreNew = scenario(function(output, expected, actual) { | |
| 41 on(output, "data", function(data) { | |
| 42 actual.push(data + "#1"); | |
| 43 on(output, "data", function(data) { | |
| 44 actual.push(data + "#2"); | |
| 45 }); | |
| 46 }); | |
| 47 | |
| 48 return expected.map(function($) $ + "#1"); | |
| 49 }); | |
| 50 | |
| 51 exports.FIFO = scenario(function(target, expected, actual) { | |
| 52 on(target, "data", function($) actual.push($ + "#1")); | |
| 53 on(target, "data", function($) actual.push($ + "#2")); | |
| 54 on(target, "data", function($) actual.push($ + "#3")); | |
| 55 | |
| 56 return expected.reduce(function(result, value) { | |
| 57 return result.concat(value + "#1", value + "#2", value + "#3"); | |
| 58 }, []); | |
| 59 }); |
