diff options
Diffstat (limited to 'addon-sdk/source/test/event/helpers.js')
-rw-r--r-- | addon-sdk/source/test/event/helpers.js | 112 |
1 files changed, 0 insertions, 112 deletions
diff --git a/addon-sdk/source/test/event/helpers.js b/addon-sdk/source/test/event/helpers.js deleted file mode 100644 index d0d63d46f..000000000 --- a/addon-sdk/source/test/event/helpers.js +++ /dev/null @@ -1,112 +0,0 @@ -/* This Source Code Form is subject to the terms of the Mozilla Public - * License, v. 2.0. If a copy of the MPL was not distributed with this - * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ - -"use strict"; - -const { on, once, off, emit, count } = require("sdk/event/core"); - -const { setImmediate, setTimeout } = require("sdk/timers"); -const { defer } = require("sdk/core/promise"); - -/** - * Utility function that returns a promise once the specified event's `type` - * is emitted on the given `target`, or the delay specified is passed. - * - * @param {Object|Number} [target] - * The delay to wait, or the object that receives the event. - * If not given, the function returns a promise that will be resolved - * as soon as possible. - * @param {String} [type] - * A string representing the event type to waiting for. - * @param {Boolean} [capture] - * If `true`, `capture` indicates that the user wishes to initiate capture. - * - * @returns {Promise} - * A promise resolved once the delay given is passed, or the object - * receives the event specified - */ -const wait = function(target, type, capture) { - let { promise, resolve, reject } = defer(); - - if (!arguments.length) { - setImmediate(resolve); - } - else if (typeof(target) === "number") { - setTimeout(resolve, target); - } - else if (typeof(target.once) === "function") { - target.once(type, resolve); - } - else if (typeof(target.addEventListener) === "function") { - target.addEventListener(type, function listener(...args) { - this.removeEventListener(type, listener, capture); - resolve(...args); - }, capture); - } - else if (typeof(target) === "object" && target !== null) { - once(target, type, resolve); - } - else { - reject('Invalid target given.'); - } - - return promise; -}; -exports.wait = wait; - -function scenario(setup) { - return function(unit) { - return function(assert) { - let actual = []; - let input = {}; - unit(input, function(output, events, expected, message) { - let result = setup(output, expected, actual); - - events.forEach(event => emit(input, "data", event)); - - assert.deepEqual(actual, result, message); - }); - } - } -} - -exports.emits = scenario(function(output, expected, actual) { - on(output, "data", function(data) { - return actual.push(this, data); - }); - - return expected.reduce(($$, $) => $$.concat(output, $), []); -}); - -exports.registerOnce = scenario(function(output, expected, actual) { - function listener(data) { - return actual.push(data); - } - on(output, "data", listener); - on(output, "data", listener); - on(output, "data", listener); - - return expected; -}); - -exports.ignoreNew = scenario(function(output, expected, actual) { - on(output, "data", function(data) { - actual.push(data + "#1"); - on(output, "data", function(data) { - actual.push(data + "#2"); - }); - }); - - return expected.map($ => $ + "#1"); -}); - -exports.FIFO = scenario(function(target, expected, actual) { - on(target, "data", $ => actual.push($ + "#1")); - on(target, "data", $ => actual.push($ + "#2")); - on(target, "data", $ => actual.push($ + "#3")); - - return expected.reduce(function(result, value) { - return result.concat(value + "#1", value + "#2", value + "#3"); - }, []); -}); |