@reactivex/rxjs
Version:
Reactive Extensions for modern JavaScript
227 lines (217 loc) • 13.2 kB
HTML
<html>
<head>
<meta charset="utf-8">
<base data-ice="baseUrl" href="../../../">
<title data-ice="title">spec-js/observables/interval-spec.js | RxJS API Document</title>
<link type="text/css" rel="stylesheet" href="css/style.css">
<link type="text/css" rel="stylesheet" href="css/prettify-tomorrow.css">
<script src="script/prettify/prettify.js"></script>
<script src="script/manual.js"></script>
<script data-ice="userScript" src="user/script/0-Rx.js"></script>
<script data-ice="userScript" src="user/script/1-devtools-welcome.js"></script>
<script data-ice="userScript" src="user/script/2-custom-manual-styles.js"></script>
<script data-ice="userScript" src="user/script/3-decision-tree-widget.min.js"></script>
<script data-ice="userScript" src="user/script/4-theme-toggler.js"></script>
<link data-ice="userStyle" rel="stylesheet" href="user/css/0-main.css">
</head>
<body class="layout-container" data-ice="rootContainer">
<header>
<a href="./">Home</a>
<a href="./manual/index.html" data-ice="manualHeaderLink">Manual</a>
<a href="identifiers.html">Reference</a>
<a href="source.html">Source</a>
<a href="test.html" data-ice="testLink">Test</a>
<a data-ice="repoURL" href="https://github.com/ReactiveX/RxJS" class="repo-url-github">Repository</a>
<div class="search-box">
<span>
<img src="./image/search.png">
<span class="search-input-edge"></span><input class="search-input"><span class="search-input-edge"></span>
</span>
<ul class="search-result"></ul>
</div>
</header>
<nav class="navigation" data-ice="nav"><div>
<ul>
<li data-ice="doc"><span data-ice="kind" class="kind-variable">V</span><span data-ice="name"><span><a href="variable/index.html#static-variable-AsyncSubject">AsyncSubject</a></span></span></li>
<li data-ice="doc"><span data-ice="kind" class="kind-variable">V</span><span data-ice="name"><span><a href="variable/index.html#static-variable-BehaviorSubject">BehaviorSubject</a></span></span></li>
<li data-ice="doc"><span data-ice="kind" class="kind-variable">V</span><span data-ice="name"><span><a href="variable/index.html#static-variable-Notification">Notification</a></span></span></li>
<li data-ice="doc"><span data-ice="kind" class="kind-variable">V</span><span data-ice="name"><span><a href="variable/index.html#static-variable-Observable">Observable</a></span></span></li>
<li data-ice="doc"><span data-ice="kind" class="kind-variable">V</span><span data-ice="name"><span><a href="variable/index.html#static-variable-ReplaySubject">ReplaySubject</a></span></span></li>
<li data-ice="doc"><span data-ice="kind" class="kind-variable">V</span><span data-ice="name"><span><a href="variable/index.html#static-variable-Scheduler">Scheduler</a></span></span></li>
<li data-ice="doc"><span data-ice="kind" class="kind-variable">V</span><span data-ice="name"><span><a href="variable/index.html#static-variable-AnonymousSubject">AnonymousSubject</a></span></span></li>
<li data-ice="doc"><span data-ice="kind" class="kind-variable">V</span><span data-ice="name"><span><a href="variable/index.html#static-variable-Subject">Subject</a></span></span></li>
<li data-ice="doc"><span data-ice="kind" class="kind-variable">V</span><span data-ice="name"><span><a href="variable/index.html#static-variable-SubjectSubscriber">SubjectSubscriber</a></span></span></li>
<li data-ice="doc"><span data-ice="kind" class="kind-variable">V</span><span data-ice="name"><span><a href="variable/index.html#static-variable-Subscriber">Subscriber</a></span></span></li>
<li data-ice="doc"><span data-ice="kind" class="kind-variable">V</span><span data-ice="name"><span><a href="variable/index.html#static-variable-Subscription">Subscription</a></span></span></li>
<li data-ice="doc"><span data-ice="kind" class="kind-typedef">T</span><span data-ice="name"><span><a href="typedef/index.html#static-typedef-Rx.Scheduler">Rx.Scheduler</a></span></span></li>
<li data-ice="doc"><span data-ice="kind" class="kind-typedef">T</span><span data-ice="name"><span><a href="typedef/index.html#static-typedef-Rx.Symbol">Rx.Symbol</a></span></span></li>
<li data-ice="doc"><div data-ice="dirPath" class="nav-dir-path">observable</div><span data-ice="kind" class="kind-variable">V</span><span data-ice="name"><span><a href="variable/index.html#static-variable-ConnectableObservable">ConnectableObservable</a></span></span></li>
<li data-ice="doc"><div data-ice="dirPath" class="nav-dir-path">observable/dom</div><span data-ice="kind" class="kind-variable">V</span><span data-ice="name"><span><a href="variable/index.html#static-variable-AjaxError">AjaxError</a></span></span></li>
<li data-ice="doc"><span data-ice="kind" class="kind-variable">V</span><span data-ice="name"><span><a href="variable/index.html#static-variable-AjaxResponse">AjaxResponse</a></span></span></li>
<li data-ice="doc"><span data-ice="kind" class="kind-variable">V</span><span data-ice="name"><span><a href="variable/index.html#static-variable-AjaxTimeoutError">AjaxTimeoutError</a></span></span></li>
<li data-ice="doc"><div data-ice="dirPath" class="nav-dir-path">operator</div><span data-ice="kind" class="kind-variable">V</span><span data-ice="name"><span><a href="variable/index.html#static-variable-GroupedObservable">GroupedObservable</a></span></span></li>
<li data-ice="doc"><div data-ice="dirPath" class="nav-dir-path">scheduler</div><span data-ice="kind" class="kind-variable">V</span><span data-ice="name"><span><a href="variable/index.html#static-variable-Action">Action</a></span></span></li>
<li data-ice="doc"><div data-ice="dirPath" class="nav-dir-path">util</div><span data-ice="kind" class="kind-variable">V</span><span data-ice="name"><span><a href="variable/index.html#static-variable-ArgumentOutOfRangeError">ArgumentOutOfRangeError</a></span></span></li>
<li data-ice="doc"><span data-ice="kind" class="kind-variable">V</span><span data-ice="name"><span><a href="variable/index.html#static-variable-EmptyError">EmptyError</a></span></span></li>
<li data-ice="doc"><span data-ice="kind" class="kind-variable">V</span><span data-ice="name"><span><a href="variable/index.html#static-variable-ObjectUnsubscribedError">ObjectUnsubscribedError</a></span></span></li>
<li data-ice="doc"><span data-ice="kind" class="kind-variable">V</span><span data-ice="name"><span><a href="variable/index.html#static-variable-TimeoutError">TimeoutError</a></span></span></li>
<li data-ice="doc"><span data-ice="kind" class="kind-variable">V</span><span data-ice="name"><span><a href="variable/index.html#static-variable-UnsubscriptionError">UnsubscriptionError</a></span></span></li>
<li data-ice="doc"><span data-ice="kind" class="kind-variable">V</span><span data-ice="name"><span><a href="variable/index.html#static-variable-root">root</a></span></span></li>
</ul>
</div>
</nav>
<div class="content" data-ice="content"><h1 data-ice="title">spec-js/observables/interval-spec.js</h1>
<pre class="source-code line-number raw-source-code"><code class="prettyprint linenums" data-ice="content">"use strict";
var chai_1 = require('chai');
var sinon = require('sinon');
var Rx = require('../../dist/cjs/Rx');
var Observable = Rx.Observable;
var asap = Rx.Scheduler.asap;
var queue = Rx.Scheduler.queue;
var animationFrame = Rx.Scheduler.animationFrame;
/** @test {interval} */
describe('Observable.interval', function () {
asDiagram('interval(1000)')('should create an observable emitting periodically', function () {
var e1 = Observable.interval(20, rxTestScheduler)
.take(6) // make it actually finite, so it can be rendered
.concat(Observable.never()); // but pretend it's infinite by not completing
var expected = '--a-b-c-d-e-f-';
var values = {
a: 0,
b: 1,
c: 2,
d: 3,
e: 4,
f: 5,
};
expectObservable(e1).toBe(expected, values);
});
it('should set up an interval', function () {
var expected = '----------0---------1---------2---------3---------4---------5---------6-----';
expectObservable(Observable.interval(100, rxTestScheduler)).toBe(expected, [0, 1, 2, 3, 4, 5, 6]);
});
it('should specify default scheduler if incorrect scheduler specified', function () {
var scheduler = Observable.interval(10, sinon.stub()).scheduler;
chai_1.expect(scheduler).to.equal(Rx.Scheduler.async);
});
it('should emit when relative interval set to zero', function () {
var e1 = Observable.interval(0, rxTestScheduler).take(7);
var expected = '(0123456|)';
expectObservable(e1).toBe(expected, [0, 1, 2, 3, 4, 5, 6]);
});
it('should consider negative interval as zero', function () {
var e1 = Observable.interval(-1, rxTestScheduler).take(7);
var expected = '(0123456|)';
expectObservable(e1).toBe(expected, [0, 1, 2, 3, 4, 5, 6]);
});
it('should emit values until unsubscribed', function (done) {
var values = [];
var expected = [0, 1, 2, 3, 4, 5, 6];
var e1 = Observable.interval(5);
var subscription = e1.subscribe(function (x) {
values.push(x);
if (x === 6) {
subscription.unsubscribe();
chai_1.expect(values).to.deep.equal(expected);
done();
}
}, function (err) {
done(new Error('should not be called'));
}, function () {
done(new Error('should not be called'));
});
});
it('should create an observable emitting periodically with the AsapScheduler', function (done) {
var sandbox = sinon.sandbox.create();
var fakeTimer = sandbox.useFakeTimers();
var interval = 10;
var events = [0, 1, 2, 3, 4, 5];
var source = Observable.interval(interval, asap).take(6);
source.subscribe({
next: function (x) {
chai_1.expect(x).to.equal(events.shift());
},
error: function (e) {
sandbox.restore();
done(e);
},
complete: function () {
chai_1.expect(asap.actions.length).to.equal(0);
chai_1.expect(asap.scheduled).to.equal(undefined);
sandbox.restore();
done();
}
});
var i = -1, n = events.length;
while (++i < n) {
fakeTimer.tick(interval);
}
});
it('should create an observable emitting periodically with the QueueScheduler', function (done) {
var sandbox = sinon.sandbox.create();
var fakeTimer = sandbox.useFakeTimers();
var interval = 10;
var events = [0, 1, 2, 3, 4, 5];
var source = Observable.interval(interval, queue).take(6);
source.subscribe({
next: function (x) {
chai_1.expect(x).to.equal(events.shift());
},
error: function (e) {
sandbox.restore();
done(e);
},
complete: function () {
chai_1.expect(queue.actions.length).to.equal(0);
chai_1.expect(queue.scheduled).to.equal(undefined);
sandbox.restore();
done();
}
});
var i = -1, n = events.length;
while (++i < n) {
fakeTimer.tick(interval);
}
});
it('should create an observable emitting periodically with the AnimationFrameScheduler', function (done) {
var sandbox = sinon.sandbox.create();
var fakeTimer = sandbox.useFakeTimers();
var interval = 10;
var events = [0, 1, 2, 3, 4, 5];
var source = Observable.interval(interval, animationFrame).take(6);
source.subscribe({
next: function (x) {
chai_1.expect(x).to.equal(events.shift());
},
error: function (e) {
sandbox.restore();
done(e);
},
complete: function () {
chai_1.expect(animationFrame.actions.length).to.equal(0);
chai_1.expect(animationFrame.scheduled).to.equal(undefined);
sandbox.restore();
done();
}
});
var i = -1, n = events.length;
while (++i < n) {
fakeTimer.tick(interval);
}
});
});
//# sourceMappingURL=interval-spec.js.map</code></pre>
</div>
<footer class="footer">
Generated by <a href="https://esdoc.org">ESDoc<span data-ice="esdocVersion">(0.4.8)</span></a>
</footer>
<script src="script/search_index.js"></script>
<script src="script/search.js"></script>
<script src="script/pretty-print.js"></script>
<script src="script/inherited-summary.js"></script>
<script src="script/test-summary.js"></script>
<script src="script/inner-link.js"></script>
<script src="script/patch-for-local.js"></script>
</body>
</html>