work.suroh.tk/node_modules/rx/dist/rx.testing.js

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2019-12-02 12:22:45 +00:00
// Copyright (c) Microsoft, All rights reserved. See License.txt in the project root for license information.
;(function (factory) {
var objectTypes = {
'function': true,
'object': true
};
function checkGlobal(value) {
return (value && value.Object === Object) ? value : null;
}
var freeExports = (objectTypes[typeof exports] && exports && !exports.nodeType) ? exports : null;
var freeModule = (objectTypes[typeof module] && module && !module.nodeType) ? module : null;
var freeGlobal = checkGlobal(freeExports && freeModule && typeof global === 'object' && global);
var freeSelf = checkGlobal(objectTypes[typeof self] && self);
var freeWindow = checkGlobal(objectTypes[typeof window] && window);
var moduleExports = (freeModule && freeModule.exports === freeExports) ? freeExports : null;
var thisGlobal = checkGlobal(objectTypes[typeof this] && this);
var root = freeGlobal || ((freeWindow !== (thisGlobal && thisGlobal.window)) && freeWindow) || freeSelf || thisGlobal || Function('return this')();
// Because of build optimizers
if (typeof define === 'function' && define.amd) {
define(['./rx.virtualtime', 'exports'], function (Rx, exports) {
root.Rx = factory(root, exports, Rx);
return root.Rx;
});
} else if (typeof module === 'object' && module && module.exports === freeExports) {
module.exports = factory(root, module.exports, require('./rx'));
} else {
root.Rx = factory(root, {}, root.Rx);
}
}.call(this, function (root, exp, Rx, undefined) {
// Defaults
var Observer = Rx.Observer,
Observable = Rx.Observable,
Notification = Rx.Notification,
VirtualTimeScheduler = Rx.VirtualTimeScheduler,
Disposable = Rx.Disposable,
disposableEmpty = Disposable.empty,
disposableCreate = Disposable.create,
CompositeDisposable = Rx.CompositeDisposable,
inherits = Rx.internals.inherits,
defaultComparer = Rx.internals.isEqual;
function OnNextPredicate(predicate) {
this.predicate = predicate;
}
OnNextPredicate.prototype.equals = function (other) {
if (other === this) { return true; }
if (other == null) { return false; }
if (other.kind !== 'N') { return false; }
return this.predicate(other.value);
};
function OnErrorPredicate(predicate) {
this.predicate = predicate;
}
OnErrorPredicate.prototype.equals = function (other) {
if (other === this) { return true; }
if (other == null) { return false; }
if (other.kind !== 'E') { return false; }
return this.predicate(other.error);
};
var ReactiveTest = Rx.ReactiveTest = {
/** Default virtual time used for creation of observable sequences in unit tests. */
created: 100,
/** Default virtual time used to subscribe to observable sequences in unit tests. */
subscribed: 200,
/** Default virtual time used to dispose subscriptions in unit tests. */
disposed: 1000,
/**
* Factory method for an OnNext notification record at a given time with a given value or a predicate function.
*
* 1 - ReactiveTest.onNext(200, 42);
* 2 - ReactiveTest.onNext(200, function (x) { return x.length == 2; });
*
* @param ticks Recorded virtual time the OnNext notification occurs.
* @param value Recorded value stored in the OnNext notification or a predicate.
* @return Recorded OnNext notification.
*/
onNext: function (ticks, value) {
return typeof value === 'function' ?
new Recorded(ticks, new OnNextPredicate(value)) :
new Recorded(ticks, Notification.createOnNext(value));
},
/**
* Factory method for an OnError notification record at a given time with a given error.
*
* 1 - ReactiveTest.onNext(200, new Error('error'));
* 2 - ReactiveTest.onNext(200, function (e) { return e.message === 'error'; });
*
* @param ticks Recorded virtual time the OnError notification occurs.
* @param exception Recorded exception stored in the OnError notification.
* @return Recorded OnError notification.
*/
onError: function (ticks, error) {
return typeof error === 'function' ?
new Recorded(ticks, new OnErrorPredicate(error)) :
new Recorded(ticks, Notification.createOnError(error));
},
/**
* Factory method for an OnCompleted notification record at a given time.
*
* @param ticks Recorded virtual time the OnCompleted notification occurs.
* @return Recorded OnCompleted notification.
*/
onCompleted: function (ticks) {
return new Recorded(ticks, Notification.createOnCompleted());
},
/**
* Factory method for a subscription record based on a given subscription and disposal time.
*
* @param start Virtual time indicating when the subscription was created.
* @param end Virtual time indicating when the subscription was disposed.
* @return Subscription object.
*/
subscribe: function (start, end) {
return new Subscription(start, end);
}
};
/**
* Creates a new object recording the production of the specified value at the given virtual time.
*
* @constructor
* @param {Number} time Virtual time the value was produced on.
* @param {Mixed} value Value that was produced.
* @param {Function} comparer An optional comparer.
*/
var Recorded = Rx.Recorded = function (time, value, comparer) {
this.time = time;
this.value = value;
this.comparer = comparer || defaultComparer;
};
/**
* Checks whether the given recorded object is equal to the current instance.
*
* @param {Recorded} other Recorded object to check for equality.
* @returns {Boolean} true if both objects are equal; false otherwise.
*/
Recorded.prototype.equals = function (other) {
return this.time === other.time && this.comparer(this.value, other.value);
};
/**
* Returns a string representation of the current Recorded value.
*
* @returns {String} String representation of the current Recorded value.
*/
Recorded.prototype.toString = function () {
return this.value.toString() + '@' + this.time;
};
/**
* Creates a new subscription object with the given virtual subscription and unsubscription time.
*
* @constructor
* @param {Number} subscribe Virtual time at which the subscription occurred.
* @param {Number} unsubscribe Virtual time at which the unsubscription occurred.
*/
var Subscription = Rx.Subscription = function (start, end) {
this.subscribe = start;
this.unsubscribe = end || Number.MAX_VALUE;
};
/**
* Checks whether the given subscription is equal to the current instance.
* @param other Subscription object to check for equality.
* @returns {Boolean} true if both objects are equal; false otherwise.
*/
Subscription.prototype.equals = function (other) {
return this.subscribe === other.subscribe && this.unsubscribe === other.unsubscribe;
};
/**
* Returns a string representation of the current Subscription value.
* @returns {String} String representation of the current Subscription value.
*/
Subscription.prototype.toString = function () {
return '(' + this.subscribe + ', ' + (this.unsubscribe === Number.MAX_VALUE ? 'Infinite' : this.unsubscribe) + ')';
};
var MockDisposable = Rx.MockDisposable = function (scheduler) {
this.scheduler = scheduler;
this.disposes = [];
this.disposes.push(this.scheduler.clock);
};
MockDisposable.prototype.dispose = function () {
this.disposes.push(this.scheduler.clock);
};
var MockObserver = (function (__super__) {
inherits(MockObserver, __super__);
function MockObserver(scheduler) {
__super__.call(this);
this.scheduler = scheduler;
this.messages = [];
}
var MockObserverPrototype = MockObserver.prototype;
MockObserverPrototype.onNext = function (value) {
this.messages.push(new Recorded(this.scheduler.clock, Notification.createOnNext(value)));
};
MockObserverPrototype.onError = function (e) {
this.messages.push(new Recorded(this.scheduler.clock, Notification.createOnError(e)));
};
MockObserverPrototype.onCompleted = function () {
this.messages.push(new Recorded(this.scheduler.clock, Notification.createOnCompleted()));
};
return MockObserver;
})(Observer);
function MockPromise(scheduler, messages) {
var self = this;
this.scheduler = scheduler;
this.messages = messages;
this.subscriptions = [];
this.observers = [];
for (var i = 0, len = this.messages.length; i < len; i++) {
var message = this.messages[i],
notification = message.value;
(function (innerNotification) {
scheduler.scheduleAbsolute(null, message.time, function () {
var obs = self.observers.slice(0);
for (var j = 0, jLen = obs.length; j < jLen; j++) {
innerNotification.accept(obs[j]);
}
return disposableEmpty;
});
})(notification);
}
}
MockPromise.prototype.then = function (onResolved, onRejected) {
var self = this;
this.subscriptions.push(new Subscription(this.scheduler.clock));
var index = this.subscriptions.length - 1;
var newPromise;
var observer = Rx.Observer.create(
function (x) {
var retValue = onResolved(x);
if (retValue && typeof retValue.then === 'function') {
newPromise = retValue;
} else {
var ticks = self.scheduler.clock;
newPromise = new MockPromise(self.scheduler, [Rx.ReactiveTest.onNext(ticks, undefined), Rx.ReactiveTest.onCompleted(ticks)]);
}
var idx = self.observers.indexOf(observer);
self.observers.splice(idx, 1);
self.subscriptions[index] = new Subscription(self.subscriptions[index].subscribe, self.scheduler.clock);
},
function (err) {
onRejected(err);
var idx = self.observers.indexOf(observer);
self.observers.splice(idx, 1);
self.subscriptions[index] = new Subscription(self.subscriptions[index].subscribe, self.scheduler.clock);
}
);
this.observers.push(observer);
return newPromise || new MockPromise(this.scheduler, this.messages);
};
var HotObservable = (function (__super__) {
inherits(HotObservable, __super__);
function HotObservable(scheduler, messages) {
__super__.call(this);
var message, notification, observable = this;
this.scheduler = scheduler;
this.messages = messages;
this.subscriptions = [];
this.observers = [];
for (var i = 0, len = this.messages.length; i < len; i++) {
message = this.messages[i];
notification = message.value;
(function (innerNotification) {
scheduler.scheduleAbsolute(null, message.time, function () {
var obs = observable.observers.slice(0);
for (var j = 0, jLen = obs.length; j < jLen; j++) {
innerNotification.accept(obs[j]);
}
return disposableEmpty;
});
})(notification);
}
}
HotObservable.prototype._subscribe = function (o) {
var observable = this;
this.observers.push(o);
this.subscriptions.push(new Subscription(this.scheduler.clock));
var index = this.subscriptions.length - 1;
return disposableCreate(function () {
var idx = observable.observers.indexOf(o);
observable.observers.splice(idx, 1);
observable.subscriptions[index] = new Subscription(observable.subscriptions[index].subscribe, observable.scheduler.clock);
});
};
return HotObservable;
})(Observable);
var ColdObservable = (function (__super__) {
inherits(ColdObservable, __super__);
function ColdObservable(scheduler, messages) {
__super__.call(this);
this.scheduler = scheduler;
this.messages = messages;
this.subscriptions = [];
}
ColdObservable.prototype._subscribe = function (o) {
var message, notification, observable = this;
this.subscriptions.push(new Subscription(this.scheduler.clock));
var index = this.subscriptions.length - 1;
var d = new CompositeDisposable();
for (var i = 0, len = this.messages.length; i < len; i++) {
message = this.messages[i];
notification = message.value;
(function (innerNotification) {
d.add(observable.scheduler.scheduleRelative(null, message.time, function () {
innerNotification.accept(o);
return disposableEmpty;
}));
})(notification);
}
return disposableCreate(function () {
observable.subscriptions[index] = new Subscription(observable.subscriptions[index].subscribe, observable.scheduler.clock);
d.dispose();
});
};
return ColdObservable;
})(Observable);
/** Virtual time scheduler used for testing applications and libraries built using Reactive Extensions. */
Rx.TestScheduler = (function (__super__) {
inherits(TestScheduler, __super__);
function baseComparer(x, y) {
return x > y ? 1 : (x < y ? -1 : 0);
}
function TestScheduler() {
__super__.call(this, 0, baseComparer);
}
/**
* Schedules an action to be executed at the specified virtual time.
*
* @param state State passed to the action to be executed.
* @param dueTime Absolute virtual time at which to execute the action.
* @param action Action to be executed.
* @return Disposable object used to cancel the scheduled action (best effort).
*/
TestScheduler.prototype.scheduleAbsolute = function (state, dueTime, action) {
dueTime <= this.clock && (dueTime = this.clock + 1);
return __super__.prototype.scheduleAbsolute.call(this, state, dueTime, action);
};
/**
* Adds a relative virtual time to an absolute virtual time value.
*
* @param absolute Absolute virtual time value.
* @param relative Relative virtual time value to add.
* @return Resulting absolute virtual time sum value.
*/
TestScheduler.prototype.add = function (absolute, relative) {
return absolute + relative;
};
/**
* Converts the absolute virtual time value to a DateTimeOffset value.
*
* @param absolute Absolute virtual time value to convert.
* @return Corresponding DateTimeOffset value.
*/
TestScheduler.prototype.toAbsoluteTime = function (absolute) {
return new Date(absolute).getTime();
};
/**
* Converts the TimeSpan value to a relative virtual time value.
*
* @param timeSpan TimeSpan value to convert.
* @return Corresponding relative virtual time value.
*/
TestScheduler.prototype.toRelativeTime = function (timeSpan) {
return timeSpan;
};
/**
* Starts the test scheduler and uses the specified virtual times to invoke the factory function, subscribe to the resulting sequence, and dispose the subscription.
*
* @param create Factory method to create an observable sequence.
* @param created Virtual time at which to invoke the factory to create an observable sequence.
* @param subscribed Virtual time at which to subscribe to the created observable sequence.
* @param disposed Virtual time at which to dispose the subscription.
* @return Observer with timestamped recordings of notification messages that were received during the virtual time window when the subscription to the source sequence was active.
*/
TestScheduler.prototype.startScheduler = function (createFn, settings) {
settings || (settings = {});
settings.created == null && (settings.created = ReactiveTest.created);
settings.subscribed == null && (settings.subscribed = ReactiveTest.subscribed);
settings.disposed == null && (settings.disposed = ReactiveTest.disposed);
var observer = this.createObserver(), source, subscription;
this.scheduleAbsolute(null, settings.created, function () {
source = createFn();
return disposableEmpty;
});
this.scheduleAbsolute(null, settings.subscribed, function () {
subscription = source.subscribe(observer);
return disposableEmpty;
});
this.scheduleAbsolute(null, settings.disposed, function () {
subscription.dispose();
return disposableEmpty;
});
this.start();
return observer;
};
/**
* Creates a hot observable using the specified timestamped notification messages either as an array or arguments.
* @param messages Notifications to surface through the created sequence at their specified absolute virtual times.
* @return Hot observable sequence that can be used to assert the timing of subscriptions and notifications.
*/
TestScheduler.prototype.createHotObservable = function () {
var len = arguments.length, args;
if (Array.isArray(arguments[0])) {
args = arguments[0];
} else {
args = new Array(len);
for (var i = 0; i < len; i++) { args[i] = arguments[i]; }
}
return new HotObservable(this, args);
};
/**
* Creates a cold observable using the specified timestamped notification messages either as an array or arguments.
* @param messages Notifications to surface through the created sequence at their specified virtual time offsets from the sequence subscription time.
* @return Cold observable sequence that can be used to assert the timing of subscriptions and notifications.
*/
TestScheduler.prototype.createColdObservable = function () {
var len = arguments.length, args;
if (Array.isArray(arguments[0])) {
args = arguments[0];
} else {
args = new Array(len);
for (var i = 0; i < len; i++) { args[i] = arguments[i]; }
}
return new ColdObservable(this, args);
};
/**
* Creates a resolved promise with the given value and ticks
* @param {Number} ticks The absolute time of the resolution.
* @param {Any} value The value to yield at the given tick.
* @returns {MockPromise} A mock Promise which fulfills with the given value.
*/
TestScheduler.prototype.createResolvedPromise = function (ticks, value) {
return new MockPromise(this, [Rx.ReactiveTest.onNext(ticks, value), Rx.ReactiveTest.onCompleted(ticks)]);
};
/**
* Creates a rejected promise with the given reason and ticks
* @param {Number} ticks The absolute time of the resolution.
* @param {Any} reason The reason for rejection to yield at the given tick.
* @returns {MockPromise} A mock Promise which rejects with the given reason.
*/
TestScheduler.prototype.createRejectedPromise = function (ticks, reason) {
return new MockPromise(this, [Rx.ReactiveTest.onError(ticks, reason)]);
};
/**
* Creates an observer that records received notification messages and timestamps those.
* @return Observer that can be used to assert the timing of received notifications.
*/
TestScheduler.prototype.createObserver = function () {
return new MockObserver(this);
};
return TestScheduler;
})(VirtualTimeScheduler);
return Rx;
}));