Icard/angular-clarity-master(work.../node_modules/zone.js/bundles/fake-async-test.umd.js

786 lines
38 KiB
JavaScript

'use strict';
var __assign = (this && this.__assign) || function () {
__assign = Object.assign || function(t) {
for (var s, i = 1, n = arguments.length; i < n; i++) {
s = arguments[i];
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
t[p] = s[p];
}
return t;
};
return __assign.apply(this, arguments);
};
var __spreadArray = (this && this.__spreadArray) || function (to, from, pack) {
if (pack || arguments.length === 2) for (var i = 0, l = from.length, ar; i < l; i++) {
if (ar || !(i in from)) {
if (!ar) ar = Array.prototype.slice.call(from, 0, i);
ar[i] = from[i];
}
}
return to.concat(ar || Array.prototype.slice.call(from));
};
/**
* @license Angular v<unknown>
* (c) 2010-2022 Google LLC. https://angular.io/
* License: MIT
*/
(function (factory) {
typeof define === 'function' && define.amd ? define(factory) :
factory();
})((function () {
'use strict';
(function (global) {
var _a;
var OriginalDate = global.Date;
// Since when we compile this file to `es2015`, and if we define
// this `FakeDate` as `class FakeDate`, and then set `FakeDate.prototype`
// there will be an error which is `Cannot assign to read only property 'prototype'`
// so we need to use function implementation here.
function FakeDate() {
if (arguments.length === 0) {
var d = new OriginalDate();
d.setTime(FakeDate.now());
return d;
}
else {
var args = Array.prototype.slice.call(arguments);
return new (OriginalDate.bind.apply(OriginalDate, __spreadArray([void 0], args, false)))();
}
}
FakeDate.now = function () {
var fakeAsyncTestZoneSpec = Zone.current.get('FakeAsyncTestZoneSpec');
if (fakeAsyncTestZoneSpec) {
return fakeAsyncTestZoneSpec.getFakeSystemTime();
}
return OriginalDate.now.apply(this, arguments);
};
FakeDate.UTC = OriginalDate.UTC;
FakeDate.parse = OriginalDate.parse;
// keep a reference for zone patched timer function
var timers = {
setTimeout: global.setTimeout,
setInterval: global.setInterval,
clearTimeout: global.clearTimeout,
clearInterval: global.clearInterval
};
var Scheduler = /** @class */ (function () {
function Scheduler() {
// Scheduler queue with the tuple of end time and callback function - sorted by end time.
this._schedulerQueue = [];
// Current simulated time in millis.
this._currentTickTime = 0;
// Current fake system base time in millis.
this._currentFakeBaseSystemTime = OriginalDate.now();
// track requeuePeriodicTimer
this._currentTickRequeuePeriodicEntries = [];
}
Scheduler.prototype.getCurrentTickTime = function () {
return this._currentTickTime;
};
Scheduler.prototype.getFakeSystemTime = function () {
return this._currentFakeBaseSystemTime + this._currentTickTime;
};
Scheduler.prototype.setFakeBaseSystemTime = function (fakeBaseSystemTime) {
this._currentFakeBaseSystemTime = fakeBaseSystemTime;
};
Scheduler.prototype.getRealSystemTime = function () {
return OriginalDate.now();
};
Scheduler.prototype.scheduleFunction = function (cb, delay, options) {
options = __assign({
args: [],
isPeriodic: false,
isRequestAnimationFrame: false,
id: -1,
isRequeuePeriodic: false
}, options);
var currentId = options.id < 0 ? _a.nextId++ : options.id;
var endTime = this._currentTickTime + delay;
// Insert so that scheduler queue remains sorted by end time.
var newEntry = {
endTime: endTime,
id: currentId,
func: cb,
args: options.args,
delay: delay,
isPeriodic: options.isPeriodic,
isRequestAnimationFrame: options.isRequestAnimationFrame
};
if (options.isRequeuePeriodic) {
this._currentTickRequeuePeriodicEntries.push(newEntry);
}
var i = 0;
for (; i < this._schedulerQueue.length; i++) {
var currentEntry = this._schedulerQueue[i];
if (newEntry.endTime < currentEntry.endTime) {
break;
}
}
this._schedulerQueue.splice(i, 0, newEntry);
return currentId;
};
Scheduler.prototype.removeScheduledFunctionWithId = function (id) {
for (var i = 0; i < this._schedulerQueue.length; i++) {
if (this._schedulerQueue[i].id == id) {
this._schedulerQueue.splice(i, 1);
break;
}
}
};
Scheduler.prototype.removeAll = function () {
this._schedulerQueue = [];
};
Scheduler.prototype.getTimerCount = function () {
return this._schedulerQueue.length;
};
Scheduler.prototype.tickToNext = function (step, doTick, tickOptions) {
if (step === void 0) { step = 1; }
if (this._schedulerQueue.length < step) {
return;
}
// Find the last task currently queued in the scheduler queue and tick
// till that time.
var startTime = this._currentTickTime;
var targetTask = this._schedulerQueue[step - 1];
this.tick(targetTask.endTime - startTime, doTick, tickOptions);
};
Scheduler.prototype.tick = function (millis, doTick, tickOptions) {
if (millis === void 0) { millis = 0; }
var finalTime = this._currentTickTime + millis;
var lastCurrentTime = 0;
tickOptions = Object.assign({ processNewMacroTasksSynchronously: true }, tickOptions);
// we need to copy the schedulerQueue so nested timeout
// will not be wrongly called in the current tick
// https://github.com/angular/angular/issues/33799
var schedulerQueue = tickOptions.processNewMacroTasksSynchronously ?
this._schedulerQueue :
this._schedulerQueue.slice();
if (schedulerQueue.length === 0 && doTick) {
doTick(millis);
return;
}
while (schedulerQueue.length > 0) {
// clear requeueEntries before each loop
this._currentTickRequeuePeriodicEntries = [];
var current = schedulerQueue[0];
if (finalTime < current.endTime) {
// Done processing the queue since it's sorted by endTime.
break;
}
else {
// Time to run scheduled function. Remove it from the head of queue.
var current_1 = schedulerQueue.shift();
if (!tickOptions.processNewMacroTasksSynchronously) {
var idx = this._schedulerQueue.indexOf(current_1);
if (idx >= 0) {
this._schedulerQueue.splice(idx, 1);
}
}
lastCurrentTime = this._currentTickTime;
this._currentTickTime = current_1.endTime;
if (doTick) {
doTick(this._currentTickTime - lastCurrentTime);
}
var retval = current_1.func.apply(global, current_1.isRequestAnimationFrame ? [this._currentTickTime] : current_1.args);
if (!retval) {
// Uncaught exception in the current scheduled function. Stop processing the queue.
break;
}
// check is there any requeue periodic entry is added in
// current loop, if there is, we need to add to current loop
if (!tickOptions.processNewMacroTasksSynchronously) {
this._currentTickRequeuePeriodicEntries.forEach(function (newEntry) {
var i = 0;
for (; i < schedulerQueue.length; i++) {
var currentEntry = schedulerQueue[i];
if (newEntry.endTime < currentEntry.endTime) {
break;
}
}
schedulerQueue.splice(i, 0, newEntry);
});
}
}
}
lastCurrentTime = this._currentTickTime;
this._currentTickTime = finalTime;
if (doTick) {
doTick(this._currentTickTime - lastCurrentTime);
}
};
Scheduler.prototype.flushOnlyPendingTimers = function (doTick) {
if (this._schedulerQueue.length === 0) {
return 0;
}
// Find the last task currently queued in the scheduler queue and tick
// till that time.
var startTime = this._currentTickTime;
var lastTask = this._schedulerQueue[this._schedulerQueue.length - 1];
this.tick(lastTask.endTime - startTime, doTick, { processNewMacroTasksSynchronously: false });
return this._currentTickTime - startTime;
};
Scheduler.prototype.flush = function (limit, flushPeriodic, doTick) {
if (limit === void 0) { limit = 20; }
if (flushPeriodic === void 0) { flushPeriodic = false; }
if (flushPeriodic) {
return this.flushPeriodic(doTick);
}
else {
return this.flushNonPeriodic(limit, doTick);
}
};
Scheduler.prototype.flushPeriodic = function (doTick) {
if (this._schedulerQueue.length === 0) {
return 0;
}
// Find the last task currently queued in the scheduler queue and tick
// till that time.
var startTime = this._currentTickTime;
var lastTask = this._schedulerQueue[this._schedulerQueue.length - 1];
this.tick(lastTask.endTime - startTime, doTick);
return this._currentTickTime - startTime;
};
Scheduler.prototype.flushNonPeriodic = function (limit, doTick) {
var startTime = this._currentTickTime;
var lastCurrentTime = 0;
var count = 0;
while (this._schedulerQueue.length > 0) {
count++;
if (count > limit) {
throw new Error('flush failed after reaching the limit of ' + limit +
' tasks. Does your code use a polling timeout?');
}
// flush only non-periodic timers.
// If the only remaining tasks are periodic(or requestAnimationFrame), finish flushing.
if (this._schedulerQueue.filter(function (task) { return !task.isPeriodic && !task.isRequestAnimationFrame; })
.length === 0) {
break;
}
var current = this._schedulerQueue.shift();
lastCurrentTime = this._currentTickTime;
this._currentTickTime = current.endTime;
if (doTick) {
// Update any secondary schedulers like Jasmine mock Date.
doTick(this._currentTickTime - lastCurrentTime);
}
var retval = current.func.apply(global, current.args);
if (!retval) {
// Uncaught exception in the current scheduled function. Stop processing the queue.
break;
}
}
return this._currentTickTime - startTime;
};
return Scheduler;
}());
_a = Scheduler;
// Next scheduler id.
(function () {
_a.nextId = 1;
})();
var FakeAsyncTestZoneSpec = /** @class */ (function () {
function FakeAsyncTestZoneSpec(namePrefix, trackPendingRequestAnimationFrame, macroTaskOptions) {
if (trackPendingRequestAnimationFrame === void 0) { trackPendingRequestAnimationFrame = false; }
this.trackPendingRequestAnimationFrame = trackPendingRequestAnimationFrame;
this.macroTaskOptions = macroTaskOptions;
this._scheduler = new Scheduler();
this._microtasks = [];
this._lastError = null;
this._uncaughtPromiseErrors = Promise[Zone.__symbol__('uncaughtPromiseErrors')];
this.pendingPeriodicTimers = [];
this.pendingTimers = [];
this.patchDateLocked = false;
this.properties = { 'FakeAsyncTestZoneSpec': this };
this.name = 'fakeAsyncTestZone for ' + namePrefix;
// in case user can't access the construction of FakeAsyncTestSpec
// user can also define macroTaskOptions by define a global variable.
if (!this.macroTaskOptions) {
this.macroTaskOptions = global[Zone.__symbol__('FakeAsyncTestMacroTask')];
}
}
FakeAsyncTestZoneSpec.assertInZone = function () {
if (Zone.current.get('FakeAsyncTestZoneSpec') == null) {
throw new Error('The code should be running in the fakeAsync zone to call this function');
}
};
FakeAsyncTestZoneSpec.prototype._fnAndFlush = function (fn, completers) {
var _this = this;
return function () {
var args = [];
for (var _i = 0; _i < arguments.length; _i++) {
args[_i] = arguments[_i];
}
fn.apply(global, args);
if (_this._lastError === null) { // Success
if (completers.onSuccess != null) {
completers.onSuccess.apply(global);
}
// Flush microtasks only on success.
_this.flushMicrotasks();
}
else { // Failure
if (completers.onError != null) {
completers.onError.apply(global);
}
}
// Return true if there were no errors, false otherwise.
return _this._lastError === null;
};
};
FakeAsyncTestZoneSpec._removeTimer = function (timers, id) {
var index = timers.indexOf(id);
if (index > -1) {
timers.splice(index, 1);
}
};
FakeAsyncTestZoneSpec.prototype._dequeueTimer = function (id) {
var _this = this;
return function () {
FakeAsyncTestZoneSpec._removeTimer(_this.pendingTimers, id);
};
};
FakeAsyncTestZoneSpec.prototype._requeuePeriodicTimer = function (fn, interval, args, id) {
var _this = this;
return function () {
// Requeue the timer callback if it's not been canceled.
if (_this.pendingPeriodicTimers.indexOf(id) !== -1) {
_this._scheduler.scheduleFunction(fn, interval, { args: args, isPeriodic: true, id: id, isRequeuePeriodic: true });
}
};
};
FakeAsyncTestZoneSpec.prototype._dequeuePeriodicTimer = function (id) {
var _this = this;
return function () {
FakeAsyncTestZoneSpec._removeTimer(_this.pendingPeriodicTimers, id);
};
};
FakeAsyncTestZoneSpec.prototype._setTimeout = function (fn, delay, args, isTimer) {
if (isTimer === void 0) { isTimer = true; }
var removeTimerFn = this._dequeueTimer(Scheduler.nextId);
// Queue the callback and dequeue the timer on success and error.
var cb = this._fnAndFlush(fn, { onSuccess: removeTimerFn, onError: removeTimerFn });
var id = this._scheduler.scheduleFunction(cb, delay, { args: args, isRequestAnimationFrame: !isTimer });
if (isTimer) {
this.pendingTimers.push(id);
}
return id;
};
FakeAsyncTestZoneSpec.prototype._clearTimeout = function (id) {
FakeAsyncTestZoneSpec._removeTimer(this.pendingTimers, id);
this._scheduler.removeScheduledFunctionWithId(id);
};
FakeAsyncTestZoneSpec.prototype._setInterval = function (fn, interval, args) {
var id = Scheduler.nextId;
var completers = { onSuccess: null, onError: this._dequeuePeriodicTimer(id) };
var cb = this._fnAndFlush(fn, completers);
// Use the callback created above to requeue on success.
completers.onSuccess = this._requeuePeriodicTimer(cb, interval, args, id);
// Queue the callback and dequeue the periodic timer only on error.
this._scheduler.scheduleFunction(cb, interval, { args: args, isPeriodic: true });
this.pendingPeriodicTimers.push(id);
return id;
};
FakeAsyncTestZoneSpec.prototype._clearInterval = function (id) {
FakeAsyncTestZoneSpec._removeTimer(this.pendingPeriodicTimers, id);
this._scheduler.removeScheduledFunctionWithId(id);
};
FakeAsyncTestZoneSpec.prototype._resetLastErrorAndThrow = function () {
var error = this._lastError || this._uncaughtPromiseErrors[0];
this._uncaughtPromiseErrors.length = 0;
this._lastError = null;
throw error;
};
FakeAsyncTestZoneSpec.prototype.getCurrentTickTime = function () {
return this._scheduler.getCurrentTickTime();
};
FakeAsyncTestZoneSpec.prototype.getFakeSystemTime = function () {
return this._scheduler.getFakeSystemTime();
};
FakeAsyncTestZoneSpec.prototype.setFakeBaseSystemTime = function (realTime) {
this._scheduler.setFakeBaseSystemTime(realTime);
};
FakeAsyncTestZoneSpec.prototype.getRealSystemTime = function () {
return this._scheduler.getRealSystemTime();
};
FakeAsyncTestZoneSpec.patchDate = function () {
if (!!global[Zone.__symbol__('disableDatePatching')]) {
// we don't want to patch global Date
// because in some case, global Date
// is already being patched, we need to provide
// an option to let user still use their
// own version of Date.
return;
}
if (global['Date'] === FakeDate) {
// already patched
return;
}
global['Date'] = FakeDate;
FakeDate.prototype = OriginalDate.prototype;
// try check and reset timers
// because jasmine.clock().install() may
// have replaced the global timer
FakeAsyncTestZoneSpec.checkTimerPatch();
};
FakeAsyncTestZoneSpec.resetDate = function () {
if (global['Date'] === FakeDate) {
global['Date'] = OriginalDate;
}
};
FakeAsyncTestZoneSpec.checkTimerPatch = function () {
if (global.setTimeout !== timers.setTimeout) {
global.setTimeout = timers.setTimeout;
global.clearTimeout = timers.clearTimeout;
}
if (global.setInterval !== timers.setInterval) {
global.setInterval = timers.setInterval;
global.clearInterval = timers.clearInterval;
}
};
FakeAsyncTestZoneSpec.prototype.lockDatePatch = function () {
this.patchDateLocked = true;
FakeAsyncTestZoneSpec.patchDate();
};
FakeAsyncTestZoneSpec.prototype.unlockDatePatch = function () {
this.patchDateLocked = false;
FakeAsyncTestZoneSpec.resetDate();
};
FakeAsyncTestZoneSpec.prototype.tickToNext = function (steps, doTick, tickOptions) {
if (steps === void 0) { steps = 1; }
if (tickOptions === void 0) { tickOptions = { processNewMacroTasksSynchronously: true }; }
if (steps <= 0) {
return;
}
FakeAsyncTestZoneSpec.assertInZone();
this.flushMicrotasks();
this._scheduler.tickToNext(steps, doTick, tickOptions);
if (this._lastError !== null) {
this._resetLastErrorAndThrow();
}
};
FakeAsyncTestZoneSpec.prototype.tick = function (millis, doTick, tickOptions) {
if (millis === void 0) { millis = 0; }
if (tickOptions === void 0) { tickOptions = { processNewMacroTasksSynchronously: true }; }
FakeAsyncTestZoneSpec.assertInZone();
this.flushMicrotasks();
this._scheduler.tick(millis, doTick, tickOptions);
if (this._lastError !== null) {
this._resetLastErrorAndThrow();
}
};
FakeAsyncTestZoneSpec.prototype.flushMicrotasks = function () {
var _this = this;
FakeAsyncTestZoneSpec.assertInZone();
var flushErrors = function () {
if (_this._lastError !== null || _this._uncaughtPromiseErrors.length) {
// If there is an error stop processing the microtask queue and rethrow the error.
_this._resetLastErrorAndThrow();
}
};
while (this._microtasks.length > 0) {
var microtask = this._microtasks.shift();
microtask.func.apply(microtask.target, microtask.args);
}
flushErrors();
};
FakeAsyncTestZoneSpec.prototype.flush = function (limit, flushPeriodic, doTick) {
FakeAsyncTestZoneSpec.assertInZone();
this.flushMicrotasks();
var elapsed = this._scheduler.flush(limit, flushPeriodic, doTick);
if (this._lastError !== null) {
this._resetLastErrorAndThrow();
}
return elapsed;
};
FakeAsyncTestZoneSpec.prototype.flushOnlyPendingTimers = function (doTick) {
FakeAsyncTestZoneSpec.assertInZone();
this.flushMicrotasks();
var elapsed = this._scheduler.flushOnlyPendingTimers(doTick);
if (this._lastError !== null) {
this._resetLastErrorAndThrow();
}
return elapsed;
};
FakeAsyncTestZoneSpec.prototype.removeAllTimers = function () {
FakeAsyncTestZoneSpec.assertInZone();
this._scheduler.removeAll();
this.pendingPeriodicTimers = [];
this.pendingTimers = [];
};
FakeAsyncTestZoneSpec.prototype.getTimerCount = function () {
return this._scheduler.getTimerCount() + this._microtasks.length;
};
FakeAsyncTestZoneSpec.prototype.onScheduleTask = function (delegate, current, target, task) {
switch (task.type) {
case 'microTask':
var args = task.data && task.data.args;
// should pass additional arguments to callback if have any
// currently we know process.nextTick will have such additional
// arguments
var additionalArgs = void 0;
if (args) {
var callbackIndex = task.data.cbIdx;
if (typeof args.length === 'number' && args.length > callbackIndex + 1) {
additionalArgs = Array.prototype.slice.call(args, callbackIndex + 1);
}
}
this._microtasks.push({
func: task.invoke,
args: additionalArgs,
target: task.data && task.data.target
});
break;
case 'macroTask':
switch (task.source) {
case 'setTimeout':
task.data['handleId'] = this._setTimeout(task.invoke, task.data['delay'], Array.prototype.slice.call(task.data['args'], 2));
break;
case 'setImmediate':
task.data['handleId'] = this._setTimeout(task.invoke, 0, Array.prototype.slice.call(task.data['args'], 1));
break;
case 'setInterval':
task.data['handleId'] = this._setInterval(task.invoke, task.data['delay'], Array.prototype.slice.call(task.data['args'], 2));
break;
case 'XMLHttpRequest.send':
throw new Error('Cannot make XHRs from within a fake async test. Request URL: ' +
task.data['url']);
case 'requestAnimationFrame':
case 'webkitRequestAnimationFrame':
case 'mozRequestAnimationFrame':
// Simulate a requestAnimationFrame by using a setTimeout with 16 ms.
// (60 frames per second)
task.data['handleId'] = this._setTimeout(task.invoke, 16, task.data['args'], this.trackPendingRequestAnimationFrame);
break;
default:
// user can define which macroTask they want to support by passing
// macroTaskOptions
var macroTaskOption = this.findMacroTaskOption(task);
if (macroTaskOption) {
var args_1 = task.data && task.data['args'];
var delay = args_1 && args_1.length > 1 ? args_1[1] : 0;
var callbackArgs = macroTaskOption.callbackArgs ? macroTaskOption.callbackArgs : args_1;
if (!!macroTaskOption.isPeriodic) {
// periodic macroTask, use setInterval to simulate
task.data['handleId'] = this._setInterval(task.invoke, delay, callbackArgs);
task.data.isPeriodic = true;
}
else {
// not periodic, use setTimeout to simulate
task.data['handleId'] = this._setTimeout(task.invoke, delay, callbackArgs);
}
break;
}
throw new Error('Unknown macroTask scheduled in fake async test: ' + task.source);
}
break;
case 'eventTask':
task = delegate.scheduleTask(target, task);
break;
}
return task;
};
FakeAsyncTestZoneSpec.prototype.onCancelTask = function (delegate, current, target, task) {
switch (task.source) {
case 'setTimeout':
case 'requestAnimationFrame':
case 'webkitRequestAnimationFrame':
case 'mozRequestAnimationFrame':
return this._clearTimeout(task.data['handleId']);
case 'setInterval':
return this._clearInterval(task.data['handleId']);
default:
// user can define which macroTask they want to support by passing
// macroTaskOptions
var macroTaskOption = this.findMacroTaskOption(task);
if (macroTaskOption) {
var handleId = task.data['handleId'];
return macroTaskOption.isPeriodic ? this._clearInterval(handleId) :
this._clearTimeout(handleId);
}
return delegate.cancelTask(target, task);
}
};
FakeAsyncTestZoneSpec.prototype.onInvoke = function (delegate, current, target, callback, applyThis, applyArgs, source) {
try {
FakeAsyncTestZoneSpec.patchDate();
return delegate.invoke(target, callback, applyThis, applyArgs, source);
}
finally {
if (!this.patchDateLocked) {
FakeAsyncTestZoneSpec.resetDate();
}
}
};
FakeAsyncTestZoneSpec.prototype.findMacroTaskOption = function (task) {
if (!this.macroTaskOptions) {
return null;
}
for (var i = 0; i < this.macroTaskOptions.length; i++) {
var macroTaskOption = this.macroTaskOptions[i];
if (macroTaskOption.source === task.source) {
return macroTaskOption;
}
}
return null;
};
FakeAsyncTestZoneSpec.prototype.onHandleError = function (parentZoneDelegate, currentZone, targetZone, error) {
this._lastError = error;
return false; // Don't propagate error to parent zone.
};
return FakeAsyncTestZoneSpec;
}());
// Export the class so that new instances can be created with proper
// constructor params.
Zone['FakeAsyncTestZoneSpec'] = FakeAsyncTestZoneSpec;
})(typeof window === 'object' && window || typeof self === 'object' && self || global);
Zone.__load_patch('fakeasync', function (global, Zone, api) {
var FakeAsyncTestZoneSpec = Zone && Zone['FakeAsyncTestZoneSpec'];
function getProxyZoneSpec() {
return Zone && Zone['ProxyZoneSpec'];
}
var _fakeAsyncTestZoneSpec = null;
/**
* Clears out the shared fake async zone for a test.
* To be called in a global `beforeEach`.
*
* @experimental
*/
function resetFakeAsyncZone() {
if (_fakeAsyncTestZoneSpec) {
_fakeAsyncTestZoneSpec.unlockDatePatch();
}
_fakeAsyncTestZoneSpec = null;
// in node.js testing we may not have ProxyZoneSpec in which case there is nothing to reset.
getProxyZoneSpec() && getProxyZoneSpec().assertPresent().resetDelegate();
}
/**
* Wraps a function to be executed in the fakeAsync zone:
* - microtasks are manually executed by calling `flushMicrotasks()`,
* - timers are synchronous, `tick()` simulates the asynchronous passage of time.
*
* If there are any pending timers at the end of the function, an exception will be thrown.
*
* Can be used to wrap inject() calls.
*
* ## Example
*
* {@example core/testing/ts/fake_async.ts region='basic'}
*
* @param fn
* @returns The function wrapped to be executed in the fakeAsync zone
*
* @experimental
*/
function fakeAsync(fn) {
// Not using an arrow function to preserve context passed from call site
var fakeAsyncFn = function () {
var args = [];
for (var _i = 0; _i < arguments.length; _i++) {
args[_i] = arguments[_i];
}
var ProxyZoneSpec = getProxyZoneSpec();
if (!ProxyZoneSpec) {
throw new Error('ProxyZoneSpec is needed for the async() test helper but could not be found. ' +
'Please make sure that your environment includes zone.js/plugins/proxy');
}
var proxyZoneSpec = ProxyZoneSpec.assertPresent();
if (Zone.current.get('FakeAsyncTestZoneSpec')) {
throw new Error('fakeAsync() calls can not be nested');
}
try {
// in case jasmine.clock init a fakeAsyncTestZoneSpec
if (!_fakeAsyncTestZoneSpec) {
if (proxyZoneSpec.getDelegate() instanceof FakeAsyncTestZoneSpec) {
throw new Error('fakeAsync() calls can not be nested');
}
_fakeAsyncTestZoneSpec = new FakeAsyncTestZoneSpec();
}
var res = void 0;
var lastProxyZoneSpec = proxyZoneSpec.getDelegate();
proxyZoneSpec.setDelegate(_fakeAsyncTestZoneSpec);
_fakeAsyncTestZoneSpec.lockDatePatch();
try {
res = fn.apply(this, args);
flushMicrotasks();
}
finally {
proxyZoneSpec.setDelegate(lastProxyZoneSpec);
}
if (_fakeAsyncTestZoneSpec.pendingPeriodicTimers.length > 0) {
throw new Error("".concat(_fakeAsyncTestZoneSpec.pendingPeriodicTimers.length, " ") +
"periodic timer(s) still in the queue.");
}
if (_fakeAsyncTestZoneSpec.pendingTimers.length > 0) {
throw new Error("".concat(_fakeAsyncTestZoneSpec.pendingTimers.length, " timer(s) still in the queue."));
}
return res;
}
finally {
resetFakeAsyncZone();
}
};
fakeAsyncFn.isFakeAsync = true;
return fakeAsyncFn;
}
function _getFakeAsyncZoneSpec() {
if (_fakeAsyncTestZoneSpec == null) {
_fakeAsyncTestZoneSpec = Zone.current.get('FakeAsyncTestZoneSpec');
if (_fakeAsyncTestZoneSpec == null) {
throw new Error('The code should be running in the fakeAsync zone to call this function');
}
}
return _fakeAsyncTestZoneSpec;
}
/**
* Simulates the asynchronous passage of time for the timers in the fakeAsync zone.
*
* The microtasks queue is drained at the very start of this function and after any timer callback
* has been executed.
*
* ## Example
*
* {@example core/testing/ts/fake_async.ts region='basic'}
*
* @experimental
*/
function tick(millis, ignoreNestedTimeout) {
if (millis === void 0) { millis = 0; }
if (ignoreNestedTimeout === void 0) { ignoreNestedTimeout = false; }
_getFakeAsyncZoneSpec().tick(millis, null, ignoreNestedTimeout);
}
/**
* Simulates the asynchronous passage of time for the timers in the fakeAsync zone by
* draining the macrotask queue until it is empty. The returned value is the milliseconds
* of time that would have been elapsed.
*
* @param maxTurns
* @returns The simulated time elapsed, in millis.
*
* @experimental
*/
function flush(maxTurns) {
return _getFakeAsyncZoneSpec().flush(maxTurns);
}
/**
* Discard all remaining periodic tasks.
*
* @experimental
*/
function discardPeriodicTasks() {
var zoneSpec = _getFakeAsyncZoneSpec();
zoneSpec.pendingPeriodicTimers;
zoneSpec.pendingPeriodicTimers.length = 0;
}
/**
* Flush any pending microtasks.
*
* @experimental
*/
function flushMicrotasks() {
_getFakeAsyncZoneSpec().flushMicrotasks();
}
Zone[api.symbol('fakeAsyncTest')] =
{ resetFakeAsyncZone: resetFakeAsyncZone, flushMicrotasks: flushMicrotasks, discardPeriodicTasks: discardPeriodicTasks, tick: tick, flush: flush, fakeAsync: fakeAsync };
}, true);
}));