Files
tubestation/addon-sdk/source/test/addons/toolkit-require-reload/main.js
2015-02-03 09:51:16 -08:00

78 lines
2.7 KiB
JavaScript

/* 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 { Cu } = require("chrome");
const toolkit = require("toolkit/require");
const {tmpdir} = require("node/os");
const {join} = require("sdk/fs/path");
const {writeFile, unlink} = require("sdk/io/fs");
const {fromFilename} = require("sdk/url");
const makeCallback = (resolve, reject) => (error, result) => {
if (error) reject(error);
else resolve(result);
};
const remove = path => new Promise((resolve, reject) =>
unlink(path, makeCallback(resolve, reject)));
const write = (...params) => new Promise((resolve, reject) =>
writeFile(...params, makeCallback(resolve, reject)));
exports.testReload = function*(assert) {
const modulePath = join(tmpdir(), "toolkit-require-reload.js");
const moduleURI = fromFilename(modulePath);
yield write(modulePath, `exports.version = () => 1;`);
const v1 = toolkit.require(moduleURI);
assert.equal(v1.version(), 1, "module exports version");
yield write(modulePath, `exports.version = () => 2;`);
assert.equal(v1, toolkit.require(moduleURI),
"require does not reload modules");
const v2 = toolkit.require(moduleURI, {reload: true});
assert.equal(v2.version(), 2, "module was updated");
yield remove(modulePath);
};
exports.testReloadAll = function*(assert) {
const parentPath = join(tmpdir(), "toolkit-require-reload-parent.js");
const childPath = join(tmpdir(), "toolkit-require-reload-child.js");
const parentURI = fromFilename(parentPath);
const childURI = fromFilename(childPath);
yield write(childPath, `exports.name = () => "child"`);
yield write(parentPath, `const child = require("./toolkit-require-reload-child");
exports.greet = () => "Hello " + child.name();`);
const parent1 = toolkit.require(parentURI);
assert.equal(parent1.greet(), "Hello child");
yield write(childPath, `exports.name = () => "father"`);
yield write(parentPath, `const child = require("./toolkit-require-reload-child");
exports.greet = () => "Hello " + child.name() + "!";`);
const parent2 = toolkit.require(parentURI, {reload: true});
assert.equal(parent2.greet(), "Hello child!",
"only parent changes were picked up");
const parent3 = toolkit.require(parentURI, {reload: true, all: true});
assert.equal(parent3.greet(), "Hello father!",
"all changes were picked up");
yield remove(childPath);
yield remove(parentPath);
};
exports.main = _ => require("sdk/test/runner").runTestsFromModule(module);