GT2/GT2-Android/node_modules/jest-util/build/fake_timers.js

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'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;