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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';
-
-const { Cc, Cu, Ci } = require('chrome');
-const { setTimeout } = require('sdk/timers');
-const { prefixURI, name } = require('@loader/options');
-const addonPromiseURI = prefixURI + name + '/lib/sdk/core/promise.js';
-const builtPromiseURI = 'resource://gre/modules/commonjs/sdk/core/promise.js';
-var { Promise, defer, resolve, reject, all, promised } = require('sdk/core/promise');
-
-exports['test all observers are notified'] = function(assert, done) {
- let expected = 'Taram pam param!';
- let deferred = defer();
- let pending = 10, i = 0;
-
- function resolved(value) {
- assert.equal(value, expected, 'value resolved as expected: #' + pending);
- if (!--pending) done();
- }
-
- while (i++ < pending) deferred.promise.then(resolved);
-
- deferred.resolve(expected);
-};
-
-exports['test exceptions dont stop notifications'] = function(assert, done) {
- let threw = false, boom = Error('Boom!');
- let deferred = defer();
-
- let promise2 = deferred.promise.then(function() {
- threw = true;
- throw boom;
- });
-
- deferred.promise.then(function() {
- assert.ok(threw, 'observer is called even though previos one threw');
- promise2.then(function() {
- assert.fail('should not resolve');
- }, function(reason) {
- assert.equal(reason, boom, 'rejects to thrown error');
- done();
- });
- });
-
- deferred.resolve('go!');
-};
-
-exports['test subsequent resolves are ignored'] = function(assert, done) {
- let deferred = defer();
- deferred.resolve(1);
- deferred.resolve(2);
- deferred.reject(3);
-
- deferred.promise.then(function(actual) {
- assert.equal(actual, 1, 'resolves to first value');
- }, function() {
- assert.fail('must not reject');
- });
- deferred.promise.then(function(actual) {
- assert.equal(actual, 1, 'subsequent resolutions are ignored');
- done();
- }, function() {
- assert.fail('must not reject');
- });
-};
-
-exports['test subsequent rejections are ignored'] = function(assert, done) {
- let deferred = defer();
- deferred.reject(1);
- deferred.resolve(2);
- deferred.reject(3);
-
- deferred.promise.then(function(actual) {
- assert.fail('must not resolve');
- }, function(actual) {
- assert.equal(actual, 1, 'must reject to first');
- });
- deferred.promise.then(function(actual) {
- assert.fail('must not resolve');
- }, function(actual) {
- assert.equal(actual, 1, 'must reject to first');
- done();
- });
-};
-
-exports['test error recovery'] = function(assert, done) {
- let boom = Error('Boom!');
- let deferred = defer();
-
- deferred.promise.then(function() {
- assert.fail('rejected promise should not resolve');
- }, function(reason) {
- assert.equal(reason, boom, 'rejection reason delivered');
- return 'recovery';
- }).then(function(value) {
- assert.equal(value, 'recovery', 'error handled by a handler');
- done();
- });
-
- deferred.reject(boom);
-};
-
-exports['test error recovery with promise'] = function(assert, done) {
- let deferred = defer();
-
- deferred.promise.then(function() {
- assert.fail('must reject');
- }, function(actual) {
- assert.equal(actual, 'reason', 'rejected');
- let deferred = defer();
- deferred.resolve('recovery');
- return deferred.promise;
- }).then(function(actual) {
- assert.equal(actual, 'recovery', 'recorvered via promise');
- let deferred = defer();
- deferred.reject('error');
- return deferred.promise;
- }).then(null, function(actual) {
- assert.equal(actual, 'error', 'rejected via promise');
- let deferred = defer();
- deferred.reject('end');
- return deferred.promise;
- }).then(null, function(actual) {
- assert.equal(actual, 'end', 'rejeced via promise');
- done();
- });
-
- deferred.reject('reason');
-};
-
-exports['test propagation'] = function(assert, done) {
- let d1 = defer(), d2 = defer(), d3 = defer();
-
- d1.promise.then(function(actual) {
- assert.equal(actual, 'expected', 'resolves to expected value');
- done();
- });
-
- d1.resolve(d2.promise);
- d2.resolve(d3.promise);
- d3.resolve('expected');
-};
-
-exports['test chaining'] = function(assert, done) {
- let boom = Error('boom'), brax = Error('braxXXx');
- let deferred = defer();
-
- deferred.promise.then().then().then(function(actual) {
- assert.equal(actual, 2, 'value propagates unchanged');
- return actual + 2;
- }).then(null, function(reason) {
- assert.fail('should not reject');
- }).then(function(actual) {
- assert.equal(actual, 4, 'value propagates through if not handled');
- throw boom;
- }).then(function(actual) {
- assert.fail('exception must reject promise');
- }).then().then(null, function(actual) {
- assert.equal(actual, boom, 'reason propagates unchanged');
- throw brax;
- }).then().then(null, function(actual) {
- assert.equal(actual, brax, 'reason changed becase of exception');
- return 'recovery';
- }).then(function(actual) {
- assert.equal(actual, 'recovery', 'recovered from error');
- done();
- });
-
- deferred.resolve(2);
-};
-
-exports['test reject'] = function(assert, done) {
- let expected = Error('boom');
-
- reject(expected).then(function() {
- assert.fail('should reject');
- }, function(actual) {
- assert.equal(actual, expected, 'rejected with expected reason');
- }).then(done, assert.fail);
-};
-
-exports['test resolve to rejected'] = function(assert, done) {
- let expected = Error('boom');
- let deferred = defer();
-
- deferred.promise.then(function() {
- assert.fail('should reject');
- }, function(actual) {
- assert.equal(actual, expected, 'rejected with expected failure');
- }).then(done, assert.fail);
-
- deferred.resolve(reject(expected));
-};
-
-exports['test resolve'] = function(assert, done) {
- let expected = 'value';
- resolve(expected).then(function(actual) {
- assert.equal(actual, expected, 'resolved as expected');
- }).catch(assert.fail).then(done);
-};
-
-exports['test promised with normal args'] = function(assert, done) {
- let sum = promised((x, y) => x + y );
-
- sum(7, 8).then(function(actual) {
- assert.equal(actual, 7 + 8, 'resolves as expected');
- }).catch(assert.fail).then(done);
-};
-
-exports['test promised with promise args'] = function(assert, done) {
- let sum = promised((x, y) => x + y );
- let deferred = defer();
-
- sum(11, deferred.promise).then(function(actual) {
- assert.equal(actual, 11 + 24, 'resolved as expected');
- }).catch(assert.fail).then(done);
-
- deferred.resolve(24);
-};
-
-exports['test promised error handling'] = function(assert, done) {
- let expected = Error('boom');
- let f = promised(function() {
- throw expected;
- });
-
- f().then(function() {
- assert.fail('should reject');
- }, function(actual) {
- assert.equal(actual, expected, 'rejected as expected');
- }).catch(assert.fail).then(done);
-};
-
-exports['test errors in promise resolution handlers are propagated'] = function(assert, done) {
- var expected = Error('Boom');
- var { promise, resolve } = defer();
-
- promise.then(function() {
- throw expected;
- }).then(function() {
- return undefined;
- }).then(null, function(actual) {
- assert.equal(actual, expected, 'rejected as expected');
- }).then(done, assert.fail);
-
- resolve({});
-};
-
-exports['test return promise form promised'] = function(assert, done) {
- let f = promised(function() {
- return resolve(17);
- });
-
- f().then(function(actual) {
- assert.equal(actual, 17, 'resolves to a promise resolution');
- }).catch(assert.fail).then(done);
-};
-
-exports['test promised returning failure'] = function(assert, done) {
- let expected = Error('boom');
- let f = promised(function() {
- return reject(expected);
- });
-
- f().then(function() {
- assert.fail('must reject');
- }, function(actual) {
- assert.equal(actual, expected, 'rejects with expected reason');
- }).catch(assert.fail).then(done);
-};
-
-/*
- * Changed for compliance in Bug 881047, promises are now always async
- */
-exports['test promises are always async'] = function (assert, done) {
- let runs = 0;
- resolve(1)
- .then(val => ++runs)
- .catch(assert.fail).then(done);
- assert.equal(runs, 0, 'resolutions are called in following tick');
-};
-
-/*
- * Changed for compliance in Bug 881047, promised's are now non greedy
- */
-exports['test promised are not greedy'] = function(assert, done) {
- let runs = 0;
- promised(() => ++runs)()
- .catch(assert.fail).then(done);
- assert.equal(runs, 0, 'promised does not run task right away');
-};
-
-exports['test promised does not flatten arrays'] = function(assert, done) {
- let p = promised(function(empty, one, two, nested) {
- assert.equal(empty.length, 0, "first argument is empty");
- assert.deepEqual(one, ['one'], "second has one");
- assert.deepEqual(two, ['two', 'more'], "third has two more");
- assert.deepEqual(nested, [[]], "forth is properly nested");
- done();
- });
-
- p([], ['one'], ['two', 'more'], [[]]);
-};
-
-exports['test arrays should not flatten'] = function(assert, done) {
- let a = defer();
- let b = defer();
-
- let combine = promised(function(str, arr) {
- assert.equal(str, 'Hello', 'Array was not flattened');
- assert.deepEqual(arr, [ 'my', 'friend' ]);
- });
-
- combine(a.promise, b.promise).catch(assert.fail).then(done);
-
-
- a.resolve('Hello');
- b.resolve([ 'my', 'friend' ]);
-};
-
-exports['test `all` for all promises'] = function (assert, done) {
- all([
- resolve(5), resolve(7), resolve(10)
- ]).then(function (val) {
- assert.equal(
- val[0] === 5 &&
- val[1] === 7 &&
- val[2] === 10
- , true, 'return value contains resolved promises values');
- done();
- }, function () {
- assert.fail('should not call reject function');
- });
-};
-
-exports['test `all` aborts upon first reject'] = function (assert, done) {
- all([
- resolve(5), reject('error'), delayedResolve()
- ]).then(function (val) {
- assert.fail('Successful resolve function should not be called');
- }, function (reason) {
- assert.equal(reason, 'error', 'should reject the `all` promise');
- done();
- });
-
- function delayedResolve () {
- let deferred = defer();
- setTimeout(deferred.resolve, 50);
- return deferred.promise;
- }
-};
-
-exports['test `all` with array containing non-promise'] = function (assert, done) {
- all([
- resolve(5), resolve(10), 925
- ]).then(function (val) {
- assert.equal(val[2], 925, 'non-promises should pass-through value');
- done();
- }, function () {
- assert.fail('should not be rejected');
- });
-};
-
-exports['test `all` should resolve with an empty array'] = function (assert, done) {
- all([]).then(function (val) {
- assert.equal(Array.isArray(val), true, 'should return array in resolved');
- assert.equal(val.length, 0, 'array should be empty in resolved');
- done();
- }, function () {
- assert.fail('should not be rejected');
- });
-};
-
-exports['test `all` with multiple rejected'] = function (assert, done) {
- all([
- reject('error1'), reject('error2'), reject('error3')
- ]).then(function (value) {
- assert.fail('should not be successful');
- }, function (reason) {
- assert.equal(reason, 'error1', 'should reject on first promise reject');
- done();
- });
-};
-
-exports['test Promise constructor resolve'] = function (assert, done) {
- var isAsync = true;
- new Promise(function (resolve, reject) {
- resolve(5);
- }).then(x => {
- isAsync = false;
- assert.equal(x, 5, 'Promise constructor resolves correctly');
- }).catch(assert.fail).then(done);
- assert.ok(isAsync, 'Promise constructor runs async');
-};
-
-exports['test Promise constructor reject'] = function (assert, done) {
- new Promise(function (resolve, reject) {
- reject(new Error('deferred4life'));
- }).then(assert.fail, (err) => {
- assert.equal(err.message, 'deferred4life', 'Promise constructor rejects correctly');
- }).catch(assert.fail).then(done);
-};
-
-exports['test JSM Load and API'] = function (assert, done) {
- // Use addon URL when loading from cfx/local:
- // resource://90111c90-c31e-4dc7-ac35-b65947434435-at-jetpack/addon-sdk/lib/sdk/core/promise.js
- // Use built URL when testing on try, etc.
- // resource://gre/modules/commonjs/sdk/core/promise.js
- try {
- var { Promise } = Cu.import(addonPromiseURI, {});
- } catch (e) {
- var { Promise } = Cu.import(builtPromiseURI, {});
- }
- testEnvironment(Promise, assert, done, 'JSM');
-};
-
-exports['test mozIJSSubScriptLoader exporting'] = function (assert, done) {
- let { Services } = Cu.import('resource://gre/modules/Services.jsm', {});
- let systemPrincipal = Services.scriptSecurityManager.getSystemPrincipal();
- let Promise = new Cu.Sandbox(systemPrincipal);
- let loader = Cc['@mozilla.org/moz/jssubscript-loader;1']
- .getService(Ci.mozIJSSubScriptLoader);
-
- // Use addon URL when loading from cfx/local:
- // resource://90111c90-c31e-4dc7-ac35-b65947434435-at-jetpack/addon-sdk/lib/sdk/core/promise.js
- // Use built URL when testing on try, etc.
- // resource://gre/modules/commonjs/sdk/core/promise.js
- try {
- loader.loadSubScript(addonPromiseURI, Promise);
- } catch (e) {
- loader.loadSubScript(builtPromiseURI, Promise);
- }
-
- testEnvironment(Promise, assert, done, 'mozIJSSubScript');
-};
-
-function testEnvironment ({all, resolve, defer, reject, promised}, assert, done, type) {
- all([resolve(5), resolve(10), 925]).then(val => {
- assert.equal(val[0], 5, 'promise#all works ' + type);
- assert.equal(val[1], 10, 'promise#all works ' + type);
- assert.equal(val[2], 925, 'promise#all works ' + type);
- return resolve(1000);
- }).then(value => {
- assert.equal(value, 1000, 'promise#resolve works ' + type);
- return reject('testing reject');
- }).then(null, reason => {
- assert.equal(reason, 'testing reject', 'promise#reject works ' + type);
- let deferred = defer();
- setTimeout(() => deferred.resolve('\\m/'), 10);
- return deferred.promise;
- }).then(value => {
- assert.equal(value, '\\m/', 'promise#defer works ' + type);
- return promised(x => x * x)(5);
- }).then(value => {
- assert.equal(value, 25, 'promise#promised works ' + type);
- }).then(done, assert.fail);
-}
-
-require("sdk/test").run(exports);