548 lines
15 KiB
JavaScript
548 lines
15 KiB
JavaScript
'use strict';Object.defineProperty(exports, "__esModule", { value: true });var _jestMessageUtil;
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
function _load_jestMessageUtil() {return _jestMessageUtil = require('jest-message-util');}var _set_global;
|
|
function _load_set_global() {return _set_global = _interopRequireDefault(require('./set_global'));}function _interopRequireDefault(obj) {return obj && obj.__esModule ? obj : { default: obj };}
|
|
|
|
/**
|
|
* We don't know the type of arguments for a callback ahead of time which is why
|
|
* we are disabling the flowtype/no-weak-types rule here.
|
|
*/
|
|
|
|
/* eslint-disable flowtype/no-weak-types */
|
|
|
|
/* eslint-enable flowtype/no-weak-types */
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
const MS_IN_A_YEAR = 31536000000; /**
|
|
* Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
|
|
*
|
|
* This source code is licensed under the MIT license found in the
|
|
* LICENSE file in the root directory of this source tree.
|
|
*
|
|
*
|
|
*/class FakeTimers {
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
constructor(_ref)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
{let global = _ref.global,moduleMocker = _ref.moduleMocker,timerConfig = _ref.timerConfig,config = _ref.config,maxLoops = _ref.maxLoops;
|
|
this._global = global;
|
|
this._timerConfig = timerConfig;
|
|
this._config = config;
|
|
this._maxLoops = maxLoops || 100000;
|
|
this._uuidCounter = 1;
|
|
this._moduleMocker = moduleMocker;
|
|
|
|
// Store original timer APIs for future reference
|
|
this._timerAPIs = {
|
|
clearImmediate: global.clearImmediate,
|
|
clearInterval: global.clearInterval,
|
|
clearTimeout: global.clearTimeout,
|
|
nextTick: global.process && global.process.nextTick,
|
|
setImmediate: global.setImmediate,
|
|
setInterval: global.setInterval,
|
|
setTimeout: global.setTimeout };
|
|
|
|
|
|
this.reset();
|
|
this._createMocks();
|
|
|
|
// These globally-accessible function are now deprecated!
|
|
// They will go away very soon, so do not use them!
|
|
// Instead, use the versions available on the `jest` object
|
|
global.mockRunTicksRepeatedly = this.runAllTicks.bind(this);
|
|
global.mockRunTimersOnce = this.runOnlyPendingTimers.bind(this);
|
|
global.mockAdvanceTimersByTime = this.advanceTimersByTime.bind(this);
|
|
global.mockRunTimersRepeatedly = this.runAllTimers.bind(this);
|
|
global.mockClearTimers = this.clearAllTimers.bind(this);
|
|
global.mockGetTimersCount = () => Object.keys(this._timers).length;
|
|
}
|
|
|
|
clearAllTimers() {
|
|
this._immediates.forEach(immediate =>
|
|
this._fakeClearImmediate(immediate.uuid));
|
|
|
|
for (const uuid in this._timers) {
|
|
delete this._timers[uuid];
|
|
}
|
|
}
|
|
|
|
dispose() {
|
|
this._disposed = true;
|
|
this.clearAllTimers();
|
|
}
|
|
|
|
reset() {
|
|
this._cancelledTicks = {};
|
|
this._cancelledImmediates = {};
|
|
this._now = 0;
|
|
this._ticks = [];
|
|
this._immediates = [];
|
|
this._timers = {};
|
|
}
|
|
|
|
runAllTicks() {
|
|
this._checkFakeTimers();
|
|
// Only run a generous number of ticks and then bail.
|
|
// This is just to help avoid recursive loops
|
|
let i;
|
|
for (i = 0; i < this._maxLoops; i++) {
|
|
const tick = this._ticks.shift();
|
|
|
|
if (tick === undefined) {
|
|
break;
|
|
}
|
|
|
|
if (!this._cancelledTicks.hasOwnProperty(tick.uuid)) {
|
|
// Callback may throw, so update the map prior calling.
|
|
this._cancelledTicks[tick.uuid] = true;
|
|
tick.callback();
|
|
}
|
|
}
|
|
|
|
if (i === this._maxLoops) {
|
|
throw new Error(
|
|
'Ran ' +
|
|
this._maxLoops +
|
|
' ticks, and there are still more! ' +
|
|
"Assuming we've hit an infinite recursion and bailing out...");
|
|
|
|
}
|
|
}
|
|
|
|
runAllImmediates() {
|
|
this._checkFakeTimers();
|
|
// Only run a generous number of immediates and then bail.
|
|
let i;
|
|
for (i = 0; i < this._maxLoops; i++) {
|
|
const immediate = this._immediates.shift();
|
|
if (immediate === undefined) {
|
|
break;
|
|
}
|
|
this._runImmediate(immediate);
|
|
}
|
|
|
|
if (i === this._maxLoops) {
|
|
throw new Error(
|
|
'Ran ' +
|
|
this._maxLoops +
|
|
' immediates, and there are still more! Assuming ' +
|
|
"we've hit an infinite recursion and bailing out...");
|
|
|
|
}
|
|
}
|
|
|
|
_runImmediate(immediate) {
|
|
if (!this._cancelledImmediates.hasOwnProperty(immediate.uuid)) {
|
|
// Callback may throw, so update the map prior calling.
|
|
this._cancelledImmediates[immediate.uuid] = true;
|
|
immediate.callback();
|
|
}
|
|
}
|
|
|
|
runAllTimers() {
|
|
this._checkFakeTimers();
|
|
this.runAllTicks();
|
|
this.runAllImmediates();
|
|
|
|
// Only run a generous number of timers and then bail.
|
|
// This is just to help avoid recursive loops
|
|
let i;
|
|
for (i = 0; i < this._maxLoops; i++) {
|
|
const nextTimerHandle = this._getNextTimerHandle();
|
|
|
|
// If there are no more timer handles, stop!
|
|
if (nextTimerHandle === null) {
|
|
break;
|
|
}
|
|
|
|
this._runTimerHandle(nextTimerHandle);
|
|
|
|
// Some of the immediate calls could be enqueued
|
|
// during the previous handling of the timers, we should
|
|
// run them as well.
|
|
if (this._immediates.length) {
|
|
this.runAllImmediates();
|
|
}
|
|
|
|
if (this._ticks.length) {
|
|
this.runAllTicks();
|
|
}
|
|
}
|
|
|
|
if (i === this._maxLoops) {
|
|
throw new Error(
|
|
'Ran ' +
|
|
this._maxLoops +
|
|
' timers, and there are still more! ' +
|
|
"Assuming we've hit an infinite recursion and bailing out...");
|
|
|
|
}
|
|
}
|
|
|
|
runOnlyPendingTimers() {
|
|
const timers = Object.assign({}, this._timers);
|
|
this._checkFakeTimers();
|
|
this._immediates.forEach(this._runImmediate, this);
|
|
Object.keys(timers).
|
|
sort((left, right) => timers[left].expiry - timers[right].expiry).
|
|
forEach(this._runTimerHandle, this);
|
|
}
|
|
|
|
advanceTimersByTime(msToRun) {
|
|
this._checkFakeTimers();
|
|
// Only run a generous number of timers and then bail.
|
|
// This is just to help avoid recursive loops
|
|
let i;
|
|
for (i = 0; i < this._maxLoops; i++) {
|
|
const timerHandle = this._getNextTimerHandle();
|
|
|
|
// If there are no more timer handles, stop!
|
|
if (timerHandle === null) {
|
|
break;
|
|
}
|
|
|
|
const nextTimerExpiry = this._timers[timerHandle].expiry;
|
|
if (this._now + msToRun < nextTimerExpiry) {
|
|
// There are no timers between now and the target we're running to, so
|
|
// adjust our time cursor and quit
|
|
this._now += msToRun;
|
|
break;
|
|
} else {
|
|
msToRun -= nextTimerExpiry - this._now;
|
|
this._now = nextTimerExpiry;
|
|
this._runTimerHandle(timerHandle);
|
|
}
|
|
}
|
|
|
|
if (i === this._maxLoops) {
|
|
throw new Error(
|
|
'Ran ' +
|
|
this._maxLoops +
|
|
' timers, and there are still more! ' +
|
|
"Assuming we've hit an infinite recursion and bailing out...");
|
|
|
|
}
|
|
}
|
|
|
|
runWithRealTimers(cb) {
|
|
const prevClearImmediate = this._global.clearImmediate;
|
|
const prevClearInterval = this._global.clearInterval;
|
|
const prevClearTimeout = this._global.clearTimeout;
|
|
const prevNextTick = this._global.process.nextTick;
|
|
const prevSetImmediate = this._global.setImmediate;
|
|
const prevSetInterval = this._global.setInterval;
|
|
const prevSetTimeout = this._global.setTimeout;
|
|
|
|
this.useRealTimers();
|
|
|
|
let cbErr = null;
|
|
let errThrown = false;
|
|
try {
|
|
cb();
|
|
} catch (e) {
|
|
errThrown = true;
|
|
cbErr = e;
|
|
}
|
|
|
|
this._global.clearImmediate = prevClearImmediate;
|
|
this._global.clearInterval = prevClearInterval;
|
|
this._global.clearTimeout = prevClearTimeout;
|
|
this._global.process.nextTick = prevNextTick;
|
|
this._global.setImmediate = prevSetImmediate;
|
|
this._global.setInterval = prevSetInterval;
|
|
this._global.setTimeout = prevSetTimeout;
|
|
|
|
if (errThrown) {
|
|
throw cbErr;
|
|
}
|
|
}
|
|
|
|
useRealTimers() {
|
|
const global = this._global;
|
|
(0, (_set_global || _load_set_global()).default)(global, 'clearImmediate', this._timerAPIs.clearImmediate);
|
|
(0, (_set_global || _load_set_global()).default)(global, 'clearInterval', this._timerAPIs.clearInterval);
|
|
(0, (_set_global || _load_set_global()).default)(global, 'clearTimeout', this._timerAPIs.clearTimeout);
|
|
(0, (_set_global || _load_set_global()).default)(global, 'setImmediate', this._timerAPIs.setImmediate);
|
|
(0, (_set_global || _load_set_global()).default)(global, 'setInterval', this._timerAPIs.setInterval);
|
|
(0, (_set_global || _load_set_global()).default)(global, 'setTimeout', this._timerAPIs.setTimeout);
|
|
|
|
global.process.nextTick = this._timerAPIs.nextTick;
|
|
}
|
|
|
|
useFakeTimers() {
|
|
this._createMocks();
|
|
|
|
const global = this._global;
|
|
(0, (_set_global || _load_set_global()).default)(global, 'clearImmediate', this._fakeTimerAPIs.clearImmediate);
|
|
(0, (_set_global || _load_set_global()).default)(global, 'clearInterval', this._fakeTimerAPIs.clearInterval);
|
|
(0, (_set_global || _load_set_global()).default)(global, 'clearTimeout', this._fakeTimerAPIs.clearTimeout);
|
|
(0, (_set_global || _load_set_global()).default)(global, 'setImmediate', this._fakeTimerAPIs.setImmediate);
|
|
(0, (_set_global || _load_set_global()).default)(global, 'setInterval', this._fakeTimerAPIs.setInterval);
|
|
(0, (_set_global || _load_set_global()).default)(global, 'setTimeout', this._fakeTimerAPIs.setTimeout);
|
|
|
|
global.process.nextTick = this._fakeTimerAPIs.nextTick;
|
|
}
|
|
|
|
_checkFakeTimers() {
|
|
if (this._global.setTimeout !== this._fakeTimerAPIs.setTimeout) {
|
|
this._global.console.warn(
|
|
`A function to advance timers was called but the timers API is not ` +
|
|
`mocked with fake timers. Call \`jest.useFakeTimers()\` in this ` +
|
|
`test or enable fake timers globally by setting ` +
|
|
`\`"timers": "fake"\` in ` +
|
|
`the configuration file. This warning is likely a result of a ` +
|
|
`default configuration change in Jest 15.\n\n` +
|
|
`Release Blog Post: https://facebook.github.io/jest/blog/2016/09/01/jest-15.html\n` +
|
|
`Stack Trace:\n` +
|
|
(0, (_jestMessageUtil || _load_jestMessageUtil()).formatStackTrace)(new Error().stack, this._config, {
|
|
noStackTrace: false }));
|
|
|
|
|
|
}
|
|
}
|
|
|
|
_createMocks() {
|
|
const fn = impl => this._moduleMocker.fn().mockImplementation(impl);
|
|
|
|
this._fakeTimerAPIs = {
|
|
clearImmediate: fn(this._fakeClearImmediate.bind(this)),
|
|
clearInterval: fn(this._fakeClearTimer.bind(this)),
|
|
clearTimeout: fn(this._fakeClearTimer.bind(this)),
|
|
nextTick: fn(this._fakeNextTick.bind(this)),
|
|
setImmediate: fn(this._fakeSetImmediate.bind(this)),
|
|
setInterval: fn(this._fakeSetInterval.bind(this)),
|
|
setTimeout: fn(this._fakeSetTimeout.bind(this)) };
|
|
|
|
}
|
|
|
|
_fakeClearTimer(timerRef) {
|
|
const uuid = this._timerConfig.refToId(timerRef);
|
|
|
|
if (uuid && this._timers.hasOwnProperty(uuid)) {
|
|
delete this._timers[String(uuid)];
|
|
}
|
|
}
|
|
|
|
_fakeClearImmediate(uuid) {
|
|
this._cancelledImmediates[uuid] = true;
|
|
}
|
|
|
|
_fakeNextTick(callback) {
|
|
if (this._disposed) {
|
|
return;
|
|
}
|
|
|
|
const args = [];
|
|
for (let ii = 1, ll = arguments.length; ii < ll; ii++) {
|
|
args.push(arguments[ii]);
|
|
}
|
|
|
|
const uuid = String(this._uuidCounter++);
|
|
|
|
this._ticks.push({
|
|
callback: () => callback.apply(null, args),
|
|
uuid });
|
|
|
|
|
|
const cancelledTicks = this._cancelledTicks;
|
|
this._timerAPIs.nextTick(() => {
|
|
if (this._blocked) {
|
|
return;
|
|
}
|
|
if (!cancelledTicks.hasOwnProperty(uuid)) {
|
|
// Callback may throw, so update the map prior calling.
|
|
cancelledTicks[uuid] = true;
|
|
callback.apply(null, args);
|
|
}
|
|
});
|
|
}
|
|
|
|
_fakeSetImmediate(callback) {
|
|
if (this._disposed) {
|
|
return null;
|
|
}
|
|
|
|
const args = [];
|
|
for (let ii = 1, ll = arguments.length; ii < ll; ii++) {
|
|
args.push(arguments[ii]);
|
|
}
|
|
|
|
const uuid = this._uuidCounter++;
|
|
|
|
this._immediates.push({
|
|
callback: () => callback.apply(null, args),
|
|
uuid: String(uuid) });
|
|
|
|
|
|
const cancelledImmediates = this._cancelledImmediates;
|
|
this._timerAPIs.setImmediate(() => {
|
|
if (!cancelledImmediates.hasOwnProperty(uuid)) {
|
|
// Callback may throw, so update the map prior calling.
|
|
cancelledImmediates[String(uuid)] = true;
|
|
callback.apply(null, args);
|
|
}
|
|
});
|
|
|
|
return uuid;
|
|
}
|
|
|
|
_fakeSetInterval(callback, intervalDelay) {
|
|
if (this._disposed) {
|
|
return null;
|
|
}
|
|
|
|
if (intervalDelay == null) {
|
|
intervalDelay = 0;
|
|
}
|
|
|
|
const args = [];
|
|
for (let ii = 2, ll = arguments.length; ii < ll; ii++) {
|
|
args.push(arguments[ii]);
|
|
}
|
|
|
|
const uuid = this._uuidCounter++;
|
|
|
|
this._timers[String(uuid)] = {
|
|
callback: () => callback.apply(null, args),
|
|
expiry: this._now + intervalDelay,
|
|
interval: intervalDelay,
|
|
type: 'interval' };
|
|
|
|
|
|
return this._timerConfig.idToRef(uuid);
|
|
}
|
|
|
|
_fakeSetTimeout(callback, delay) {
|
|
if (this._disposed) {
|
|
return null;
|
|
}
|
|
|
|
if (delay == null) {
|
|
delay = 0;
|
|
}
|
|
|
|
const args = [];
|
|
for (let ii = 2, ll = arguments.length; ii < ll; ii++) {
|
|
args.push(arguments[ii]);
|
|
}
|
|
|
|
const uuid = this._uuidCounter++;
|
|
|
|
this._timers[String(uuid)] = {
|
|
callback: () => callback.apply(null, args),
|
|
expiry: this._now + delay,
|
|
interval: null,
|
|
type: 'timeout' };
|
|
|
|
|
|
return this._timerConfig.idToRef(uuid);
|
|
}
|
|
|
|
_getNextTimerHandle() {
|
|
let nextTimerHandle = null;
|
|
let uuid;
|
|
let soonestTime = MS_IN_A_YEAR;
|
|
let timer;
|
|
for (uuid in this._timers) {
|
|
timer = this._timers[uuid];
|
|
if (timer.expiry < soonestTime) {
|
|
soonestTime = timer.expiry;
|
|
nextTimerHandle = uuid;
|
|
}
|
|
}
|
|
|
|
return nextTimerHandle;
|
|
}
|
|
|
|
_runTimerHandle(timerHandle) {
|
|
const timer = this._timers[timerHandle];
|
|
|
|
if (!timer) {
|
|
return;
|
|
}
|
|
|
|
switch (timer.type) {
|
|
case 'timeout':
|
|
const callback = timer.callback;
|
|
delete this._timers[timerHandle];
|
|
callback();
|
|
break;
|
|
|
|
case 'interval':
|
|
timer.expiry = this._now + timer.interval;
|
|
timer.callback();
|
|
break;
|
|
|
|
default:
|
|
throw new Error('Unexpected timer type: ' + timer.type);}
|
|
|
|
}}exports.default = FakeTimers; |