123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673 |
- 'use strict';
- Object.defineProperty(exports, '__esModule', {
- value: true
- });
- exports.default = void 0;
- function _util() {
- const data = _interopRequireDefault(require('util'));
- _util = function () {
- return data;
- };
- return data;
- }
- function _jestMessageUtil() {
- const data = require('jest-message-util');
- _jestMessageUtil = function () {
- return data;
- };
- return data;
- }
- function _jestUtil() {
- const data = require('jest-util');
- _jestUtil = function () {
- return data;
- };
- return data;
- }
- function _interopRequireDefault(obj) {
- return obj && obj.__esModule ? obj : {default: obj};
- }
- function _defineProperty(obj, key, value) {
- if (key in obj) {
- Object.defineProperty(obj, key, {
- value: value,
- enumerable: true,
- configurable: true,
- writable: true
- });
- } else {
- obj[key] = value;
- }
- return obj;
- }
- const MS_IN_A_YEAR = 31536000000;
- class FakeTimers {
- constructor({global, moduleMocker, timerConfig, config, maxLoops}) {
- _defineProperty(this, '_cancelledTicks', void 0);
- _defineProperty(this, '_config', void 0);
- _defineProperty(this, '_disposed', void 0);
- _defineProperty(this, '_fakeTimerAPIs', void 0);
- _defineProperty(this, '_global', void 0);
- _defineProperty(this, '_immediates', void 0);
- _defineProperty(this, '_maxLoops', void 0);
- _defineProperty(this, '_moduleMocker', void 0);
- _defineProperty(this, '_now', void 0);
- _defineProperty(this, '_ticks', void 0);
- _defineProperty(this, '_timerAPIs', void 0);
- _defineProperty(this, '_timers', void 0);
- _defineProperty(this, '_uuidCounter', void 0);
- _defineProperty(this, '_timerConfig', void 0);
- 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 = {
- cancelAnimationFrame: global.cancelAnimationFrame,
- clearImmediate: global.clearImmediate,
- clearInterval: global.clearInterval,
- clearTimeout: global.clearTimeout,
- nextTick: global.process && global.process.nextTick,
- requestAnimationFrame: global.requestAnimationFrame,
- setImmediate: global.setImmediate,
- setInterval: global.setInterval,
- setTimeout: global.setTimeout
- };
- this.reset();
- }
- clearAllTimers() {
- this._immediates = [];
- this._timers.clear();
- }
- dispose() {
- this._disposed = true;
- this.clearAllTimers();
- }
- reset() {
- this._cancelledTicks = {};
- this._now = 0;
- this._ticks = [];
- this._immediates = [];
- this._timers = new Map();
- }
- 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) {
- try {
- immediate.callback();
- } finally {
- this._fakeClearImmediate(immediate.uuid);
- }
- }
- 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() {
- // We need to hold the current shape of `this._timers` because existing
- // timers can add new ones to the map and hence would run more than necessary.
- // See https://github.com/facebook/jest/pull/4608 for details
- const timerEntries = Array.from(this._timers.entries());
- this._checkFakeTimers();
- this._immediates.forEach(this._runImmediate, this);
- timerEntries
- .sort(([, left], [, right]) => left.expiry - right.expiry)
- .forEach(([timerHandle]) => this._runTimerHandle(timerHandle));
- }
- advanceTimersToNextTimer(steps = 1) {
- if (steps < 1) {
- return;
- }
- const nextExpiry = Array.from(this._timers.values()).reduce(
- (minExpiry, timer) => {
- if (minExpiry === null || timer.expiry < minExpiry) return timer.expiry;
- return minExpiry;
- },
- null
- );
- if (nextExpiry !== null) {
- this.advanceTimersByTime(nextExpiry - this._now);
- this.advanceTimersToNextTimer(steps - 1);
- }
- }
- 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 timerValue = this._timers.get(timerHandle);
- if (timerValue === undefined) {
- break;
- }
- const nextTimerExpiry = timerValue.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;
- if (typeof global.cancelAnimationFrame === 'function') {
- (0, _jestUtil().setGlobal)(
- global,
- 'cancelAnimationFrame',
- this._timerAPIs.cancelAnimationFrame
- );
- }
- if (typeof global.clearImmediate === 'function') {
- (0, _jestUtil().setGlobal)(
- global,
- 'clearImmediate',
- this._timerAPIs.clearImmediate
- );
- }
- (0, _jestUtil().setGlobal)(
- global,
- 'clearInterval',
- this._timerAPIs.clearInterval
- );
- (0, _jestUtil().setGlobal)(
- global,
- 'clearTimeout',
- this._timerAPIs.clearTimeout
- );
- if (typeof global.requestAnimationFrame === 'function') {
- (0, _jestUtil().setGlobal)(
- global,
- 'requestAnimationFrame',
- this._timerAPIs.requestAnimationFrame
- );
- }
- if (typeof global.setImmediate === 'function') {
- (0, _jestUtil().setGlobal)(
- global,
- 'setImmediate',
- this._timerAPIs.setImmediate
- );
- }
- (0, _jestUtil().setGlobal)(
- global,
- 'setInterval',
- this._timerAPIs.setInterval
- );
- (0, _jestUtil().setGlobal)(
- global,
- 'setTimeout',
- this._timerAPIs.setTimeout
- );
- global.process.nextTick = this._timerAPIs.nextTick;
- }
- useFakeTimers() {
- this._createMocks();
- const global = this._global;
- if (typeof global.cancelAnimationFrame === 'function') {
- (0, _jestUtil().setGlobal)(
- global,
- 'cancelAnimationFrame',
- this._fakeTimerAPIs.cancelAnimationFrame
- );
- }
- if (typeof global.clearImmediate === 'function') {
- (0, _jestUtil().setGlobal)(
- global,
- 'clearImmediate',
- this._fakeTimerAPIs.clearImmediate
- );
- }
- (0, _jestUtil().setGlobal)(
- global,
- 'clearInterval',
- this._fakeTimerAPIs.clearInterval
- );
- (0, _jestUtil().setGlobal)(
- global,
- 'clearTimeout',
- this._fakeTimerAPIs.clearTimeout
- );
- if (typeof global.requestAnimationFrame === 'function') {
- (0, _jestUtil().setGlobal)(
- global,
- 'requestAnimationFrame',
- this._fakeTimerAPIs.requestAnimationFrame
- );
- }
- if (typeof global.setImmediate === 'function') {
- (0, _jestUtil().setGlobal)(
- global,
- 'setImmediate',
- this._fakeTimerAPIs.setImmediate
- );
- }
- (0, _jestUtil().setGlobal)(
- global,
- 'setInterval',
- this._fakeTimerAPIs.setInterval
- );
- (0, _jestUtil().setGlobal)(
- global,
- 'setTimeout',
- this._fakeTimerAPIs.setTimeout
- );
- global.process.nextTick = this._fakeTimerAPIs.nextTick;
- }
- getTimerCount() {
- this._checkFakeTimers();
- return this._timers.size + this._immediates.length + this._ticks.length;
- }
- _checkFakeTimers() {
- var _this$_fakeTimerAPIs;
- if (
- this._global.setTimeout !==
- ((_this$_fakeTimerAPIs = this._fakeTimerAPIs) === null ||
- _this$_fakeTimerAPIs === void 0
- ? void 0
- : _this$_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://jestjs.io/blog/2016/09/01/jest-15\n' +
- 'Stack Trace:\n' +
- (0, _jestMessageUtil().formatStackTrace)(
- new Error().stack,
- this._config,
- {
- noStackTrace: false
- }
- )
- );
- }
- }
- _createMocks() {
- const fn = (
- impl // @ts-expect-error TODO: figure out better typings here
- ) => this._moduleMocker.fn().mockImplementation(impl);
- const promisifiableFakeSetTimeout = fn(this._fakeSetTimeout.bind(this)); // @ts-expect-error TODO: figure out better typings here
- promisifiableFakeSetTimeout[_util().default.promisify.custom] = (
- delay,
- arg
- ) =>
- new Promise(resolve => promisifiableFakeSetTimeout(resolve, delay, arg)); // TODO: add better typings; these are mocks, but typed as regular timers
- this._fakeTimerAPIs = {
- cancelAnimationFrame: fn(this._fakeClearTimer.bind(this)),
- clearImmediate: fn(this._fakeClearImmediate.bind(this)),
- clearInterval: fn(this._fakeClearTimer.bind(this)),
- clearTimeout: fn(this._fakeClearTimer.bind(this)),
- nextTick: fn(this._fakeNextTick.bind(this)),
- // @ts-expect-error TODO: figure out better typings here
- requestAnimationFrame: fn(this._fakeRequestAnimationFrame.bind(this)),
- // @ts-expect-error TODO: figure out better typings here
- setImmediate: fn(this._fakeSetImmediate.bind(this)),
- // @ts-expect-error TODO: figure out better typings here
- setInterval: fn(this._fakeSetInterval.bind(this)),
- // @ts-expect-error TODO: figure out better typings here
- setTimeout: promisifiableFakeSetTimeout
- };
- }
- _fakeClearTimer(timerRef) {
- const uuid = this._timerConfig.refToId(timerRef);
- if (uuid) {
- this._timers.delete(String(uuid));
- }
- }
- _fakeClearImmediate(uuid) {
- this._immediates = this._immediates.filter(
- immediate => immediate.uuid !== uuid
- );
- }
- _fakeNextTick(callback, ...args) {
- if (this._disposed) {
- return;
- }
- const uuid = String(this._uuidCounter++);
- this._ticks.push({
- callback: () => callback.apply(null, args),
- uuid
- });
- const cancelledTicks = this._cancelledTicks;
- this._timerAPIs.nextTick(() => {
- if (!cancelledTicks.hasOwnProperty(uuid)) {
- // Callback may throw, so update the map prior calling.
- cancelledTicks[uuid] = true;
- callback.apply(null, args);
- }
- });
- }
- _fakeRequestAnimationFrame(callback) {
- return this._fakeSetTimeout(() => {
- // TODO: Use performance.now() once it's mocked
- callback(this._now);
- }, 1000 / 60);
- }
- _fakeSetImmediate(callback, ...args) {
- if (this._disposed) {
- return null;
- }
- const uuid = String(this._uuidCounter++);
- this._immediates.push({
- callback: () => callback.apply(null, args),
- uuid
- });
- this._timerAPIs.setImmediate(() => {
- if (this._immediates.find(x => x.uuid === uuid)) {
- try {
- callback.apply(null, args);
- } finally {
- this._fakeClearImmediate(uuid);
- }
- }
- });
- return uuid;
- }
- _fakeSetInterval(callback, intervalDelay, ...args) {
- if (this._disposed) {
- return null;
- }
- if (intervalDelay == null) {
- intervalDelay = 0;
- }
- const uuid = this._uuidCounter++;
- this._timers.set(String(uuid), {
- callback: () => callback.apply(null, args),
- expiry: this._now + intervalDelay,
- interval: intervalDelay,
- type: 'interval'
- });
- return this._timerConfig.idToRef(uuid);
- }
- _fakeSetTimeout(callback, delay, ...args) {
- if (this._disposed) {
- return null;
- } // eslint-disable-next-line no-bitwise
- delay = Number(delay) | 0;
- const uuid = this._uuidCounter++;
- this._timers.set(String(uuid), {
- callback: () => callback.apply(null, args),
- expiry: this._now + delay,
- interval: undefined,
- type: 'timeout'
- });
- return this._timerConfig.idToRef(uuid);
- }
- _getNextTimerHandle() {
- let nextTimerHandle = null;
- let soonestTime = MS_IN_A_YEAR;
- this._timers.forEach((timer, uuid) => {
- if (timer.expiry < soonestTime) {
- soonestTime = timer.expiry;
- nextTimerHandle = uuid;
- }
- });
- return nextTimerHandle;
- }
- _runTimerHandle(timerHandle) {
- const timer = this._timers.get(timerHandle);
- if (!timer) {
- return;
- }
- switch (timer.type) {
- case 'timeout':
- this._timers.delete(timerHandle);
- timer.callback();
- break;
- case 'interval':
- timer.expiry = this._now + (timer.interval || 0);
- timer.callback();
- break;
- default:
- throw new Error('Unexpected timer type: ' + timer.type);
- }
- }
- }
- exports.default = FakeTimers;
|