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/* 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';
module.metadata = {
'stability': 'unstable'
};
const { defer } = require('../core/promise');
const { setInterval, clearInterval } = require('../timers');
const { getTabs, closeTab } = require("../tabs/utils");
const { windows: getWindows } = require("../window/utils");
const { close: closeWindow } = require("../window/helpers");
const { isGenerator } = require("../lang/type");
const { env } = require("../system/environment");
const { Task } = require("resource://gre/modules/Task.jsm");
const getTestNames = (exports) =>
Object.keys(exports).filter(name => /^test/.test(name));
const isTestAsync = ({length}) => length > 1;
const isHelperAsync = ({length}) => length > 2;
/*
* Takes an `exports` object of a test file and a function `beforeFn`
* to be run before each test. `beforeFn` is called with a `name` string
* as the first argument of the test name, and may specify a second
* argument function `done` to indicate that this function should
* resolve asynchronously
*/
function before (exports, beforeFn) {
getTestNames(exports).map(name => {
let testFn = exports[name];
// GENERATOR TESTS
if (isGenerator(testFn) && isGenerator(beforeFn)) {
exports[name] = function*(assert) {
yield Task.spawn(beforeFn.bind(null, name, assert));
yield Task.spawn(testFn.bind(null, assert));
}
}
else if (isGenerator(testFn) && !isHelperAsync(beforeFn)) {
exports[name] = function*(assert) {
beforeFn(name, assert);
yield Task.spawn(testFn.bind(null, assert));
}
}
else if (isGenerator(testFn) && isHelperAsync(beforeFn)) {
exports[name] = function*(assert) {
yield new Promise(resolve => beforeFn(name, assert, resolve));
yield Task.spawn(testFn.bind(null, assert));
}
}
// SYNC TESTS
else if (!isTestAsync(testFn) && isGenerator(beforeFn)) {
exports[name] = function*(assert) {
yield Task.spawn(beforeFn.bind(null, name, assert));
testFn(assert);
};
}
else if (!isTestAsync(testFn) && !isHelperAsync(beforeFn)) {
exports[name] = function (assert) {
beforeFn(name, assert);
testFn(assert);
};
}
else if (!isTestAsync(testFn) && isHelperAsync(beforeFn)) {
exports[name] = function (assert, done) {
beforeFn(name, assert, () => {
testFn(assert);
done();
});
};
}
// ASYNC TESTS
else if (isTestAsync(testFn) && isGenerator(beforeFn)) {
exports[name] = function*(assert) {
yield Task.spawn(beforeFn.bind(null, name, assert));
yield new Promise(resolve => testFn(assert, resolve));
};
}
else if (isTestAsync(testFn) && !isHelperAsync(beforeFn)) {
exports[name] = function (assert, done) {
beforeFn(name, assert);
testFn(assert, done);
};
}
else if (isTestAsync(testFn) && isHelperAsync(beforeFn)) {
exports[name] = function (assert, done) {
beforeFn(name, assert, () => {
testFn(assert, done);
});
};
}
});
}
exports.before = before;
/*
* Takes an `exports` object of a test file and a function `afterFn`
* to be run after each test. `afterFn` is called with a `name` string
* as the first argument of the test name, and may specify a second
* argument function `done` to indicate that this function should
* resolve asynchronously
*/
function after (exports, afterFn) {
getTestNames(exports).map(name => {
let testFn = exports[name];
// GENERATOR TESTS
if (isGenerator(testFn) && isGenerator(afterFn)) {
exports[name] = function*(assert) {
yield Task.spawn(testFn.bind(null, assert));
yield Task.spawn(afterFn.bind(null, name, assert));
}
}
else if (isGenerator(testFn) && !isHelperAsync(afterFn)) {
exports[name] = function*(assert) {
yield Task.spawn(testFn.bind(null, assert));
afterFn(name, assert);
}
}
else if (isGenerator(testFn) && isHelperAsync(afterFn)) {
exports[name] = function*(assert) {
yield Task.spawn(testFn.bind(null, assert));
yield new Promise(resolve => afterFn(name, assert, resolve));
}
}
// SYNC TESTS
else if (!isTestAsync(testFn) && isGenerator(afterFn)) {
exports[name] = function*(assert) {
testFn(assert);
yield Task.spawn(afterFn.bind(null, name, assert));
};
}
else if (!isTestAsync(testFn) && !isHelperAsync(afterFn)) {
exports[name] = function (assert) {
testFn(assert);
afterFn(name, assert);
};
}
else if (!isTestAsync(testFn) && isHelperAsync(afterFn)) {
exports[name] = function (assert, done) {
testFn(assert);
afterFn(name, assert, done);
};
}
// ASYNC TESTS
else if (isTestAsync(testFn) && isGenerator(afterFn)) {
exports[name] = function*(assert) {
yield new Promise(resolve => testFn(assert, resolve));
yield Task.spawn(afterFn.bind(null, name, assert));
};
}
else if (isTestAsync(testFn) && !isHelperAsync(afterFn)) {
exports[name] = function*(assert) {
yield new Promise(resolve => testFn(assert, resolve));
afterFn(name, assert);
};
}
else if (isTestAsync(testFn) && isHelperAsync(afterFn)) {
exports[name] = function*(assert) {
yield new Promise(resolve => testFn(assert, resolve));
yield new Promise(resolve => afterFn(name, assert, resolve));
};
}
});
}
exports.after = after;
function waitUntil (predicate, delay) {
let { promise, resolve } = defer();
let interval = setInterval(() => {
if (!predicate()) return;
clearInterval(interval);
resolve();
}, delay || 10);
return promise;
}
exports.waitUntil = waitUntil;
var cleanUI = function cleanUI() {
let { promise, resolve } = defer();
let windows = getWindows(null, { includePrivate: true });
if (windows.length > 1) {
return closeWindow(windows[1]).then(cleanUI);
}
getTabs(windows[0]).slice(1).forEach(closeTab);
resolve();
return promise;
}
exports.cleanUI = cleanUI;
exports.isTravisCI = ("TRAVIS" in env && "CI" in env);
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