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<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <base data-ice="baseUrl" href="../../../"> <title data-ice="title">spec-js/schedulers/TestScheduler-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 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data-ice="title">spec-js/schedulers/TestScheduler-spec.js</h1> <pre class="source-code line-number raw-source-code"><code class="prettyprint linenums" data-ice="content">&quot;use strict&quot;; var chai_1 = require(&apos;chai&apos;); var Rx = require(&apos;../../dist/cjs/Rx&apos;); var Notification = Rx.Notification; var TestScheduler = Rx.TestScheduler; /** @test {TestScheduler} */ describe(&apos;TestScheduler&apos;, function () { it(&apos;should exist&apos;, function () { chai_1.expect(TestScheduler).exist; chai_1.expect(TestScheduler).to.be.a(&apos;function&apos;); }); describe(&apos;parseMarbles()&apos;, function () { it(&apos;should parse a marble string into a series of notifications and types&apos;, function () { var result = TestScheduler.parseMarbles(&apos;-------a---b---|&apos;, { a: &apos;A&apos;, b: &apos;B&apos; }); chai_1.expect(result).deep.equal([ { frame: 70, notification: Notification.createNext(&apos;A&apos;) }, { frame: 110, notification: Notification.createNext(&apos;B&apos;) }, { frame: 150, notification: Notification.createComplete() } ]); }); it(&apos;should parse a marble string, allowing spaces too&apos;, function () { var result = TestScheduler.parseMarbles(&apos;--a--b--| &apos;, { a: &apos;A&apos;, b: &apos;B&apos; }); chai_1.expect(result).deep.equal([ { frame: 20, notification: Notification.createNext(&apos;A&apos;) }, { frame: 50, notification: Notification.createNext(&apos;B&apos;) }, { frame: 80, notification: Notification.createComplete() } ]); }); it(&apos;should parse a marble string with a subscription point&apos;, function () { var result = TestScheduler.parseMarbles(&apos;---^---a---b---|&apos;, { a: &apos;A&apos;, b: &apos;B&apos; }); chai_1.expect(result).deep.equal([ { frame: 40, notification: Notification.createNext(&apos;A&apos;) }, { frame: 80, notification: Notification.createNext(&apos;B&apos;) }, { frame: 120, notification: Notification.createComplete() } ]); }); it(&apos;should parse a marble string with an error&apos;, function () { var result = TestScheduler.parseMarbles(&apos;-------a---b---#&apos;, { a: &apos;A&apos;, b: &apos;B&apos; }, &apos;omg error!&apos;); chai_1.expect(result).deep.equal([ { frame: 70, notification: Notification.createNext(&apos;A&apos;) }, { frame: 110, notification: Notification.createNext(&apos;B&apos;) }, { frame: 150, notification: Notification.createError(&apos;omg error!&apos;) } ]); }); it(&apos;should default in the letter for the value if no value hash was passed&apos;, function () { var result = TestScheduler.parseMarbles(&apos;--a--b--c--&apos;); chai_1.expect(result).deep.equal([ { frame: 20, notification: Notification.createNext(&apos;a&apos;) }, { frame: 50, notification: Notification.createNext(&apos;b&apos;) }, { frame: 80, notification: Notification.createNext(&apos;c&apos;) }, ]); }); it(&apos;should handle grouped values&apos;, function () { var result = TestScheduler.parseMarbles(&apos;---(abc)---&apos;); chai_1.expect(result).deep.equal([ { frame: 30, notification: Notification.createNext(&apos;a&apos;) }, { frame: 30, notification: Notification.createNext(&apos;b&apos;) }, { frame: 30, notification: Notification.createNext(&apos;c&apos;) } ]); }); }); describe(&apos;parseMarblesAsSubscriptions()&apos;, function () { it(&apos;should parse a subscription marble string into a subscriptionLog&apos;, function () { var result = TestScheduler.parseMarblesAsSubscriptions(&apos;---^---!-&apos;); chai_1.expect(result.subscribedFrame).to.equal(30); chai_1.expect(result.unsubscribedFrame).to.equal(70); }); it(&apos;should parse a subscription marble string with an unsubscription&apos;, function () { var result = TestScheduler.parseMarblesAsSubscriptions(&apos;---^-&apos;); chai_1.expect(result.subscribedFrame).to.equal(30); chai_1.expect(result.unsubscribedFrame).to.equal(Number.POSITIVE_INFINITY); }); it(&apos;should parse a subscription marble string with a synchronous unsubscription&apos;, function () { var result = TestScheduler.parseMarblesAsSubscriptions(&apos;---(^!)-&apos;); chai_1.expect(result.subscribedFrame).to.equal(30); chai_1.expect(result.unsubscribedFrame).to.equal(30); }); }); describe(&apos;createTime()&apos;, function () { it(&apos;should parse a simple time marble string to a number&apos;, function () { var scheduler = new TestScheduler(null); var time = scheduler.createTime(&apos;-----|&apos;); chai_1.expect(time).to.equal(50); }); it(&apos;should throw if not given good marble input&apos;, function () { var scheduler = new TestScheduler(null); chai_1.expect(function () { scheduler.createTime(&apos;-a-b-#&apos;); }).to.throw(); }); }); describe(&apos;createColdObservable()&apos;, function () { it(&apos;should create a cold observable&apos;, function () { var expected = [&apos;A&apos;, &apos;B&apos;]; var scheduler = new TestScheduler(null); var source = scheduler.createColdObservable(&apos;--a---b--|&apos;, { a: &apos;A&apos;, b: &apos;B&apos; }); chai_1.expect(source instanceof Rx.Observable).to.be.true; source.subscribe(function (x) { chai_1.expect(x).to.equal(expected.shift()); }); scheduler.flush(); chai_1.expect(expected.length).to.equal(0); }); }); describe(&apos;createHotObservable()&apos;, function () { it(&apos;should create a cold observable&apos;, function () { var expected = [&apos;A&apos;, &apos;B&apos;]; var scheduler = new TestScheduler(null); var source = scheduler.createHotObservable(&apos;--a---b--|&apos;, { a: &apos;A&apos;, b: &apos;B&apos; }); chai_1.expect(source).to.be.an.instanceof(Rx.Subject); source.subscribe(function (x) { chai_1.expect(x).to.equal(expected.shift()); }); scheduler.flush(); chai_1.expect(expected.length).to.equal(0); }); }); describe(&apos;jasmine helpers&apos;, function () { describe(&apos;rxTestScheduler&apos;, function () { it(&apos;should exist&apos;, function () { chai_1.expect(rxTestScheduler).to.be.an.instanceof(TestScheduler); }); }); describe(&apos;cold()&apos;, function () { it(&apos;should exist&apos;, function () { chai_1.expect(cold).to.exist; chai_1.expect(cold).to.be.a(&apos;function&apos;); }); it(&apos;should create a cold observable&apos;, function () { var expected = [1, 2]; var source = cold(&apos;-a-b-|&apos;, { a: 1, b: 2 }); source.subscribe(function (x) { chai_1.expect(x).to.equal(expected.shift()); }, null, function () { chai_1.expect(expected.length).to.equal(0); }); expectObservable(source).toBe(&apos;-a-b-|&apos;, { a: 1, b: 2 }); }); }); describe(&apos;hot()&apos;, function () { it(&apos;should exist&apos;, function () { chai_1.expect(hot).to.exist; chai_1.expect(hot).to.be.a(&apos;function&apos;); }); it(&apos;should create a hot observable&apos;, function () { var source = hot(&apos;---^-a-b-|&apos;, { a: 1, b: 2 }); chai_1.expect(source instanceof Rx.Subject).to.be.true; expectObservable(source).toBe(&apos;--a-b-|&apos;, { a: 1, b: 2 }); }); }); describe(&apos;time()&apos;, function () { it(&apos;should exist&apos;, function () { chai_1.expect(time).to.exist; chai_1.expect(time).to.be.a(&apos;function&apos;); }); it(&apos;should parse a simple time marble string to a number&apos;, function () { chai_1.expect(time(&apos;-----|&apos;)).to.equal(50); }); }); describe(&apos;expectObservable()&apos;, function () { it(&apos;should exist&apos;, function () { chai_1.expect(expectObservable).to.exist; chai_1.expect(expectObservable).to.be.a(&apos;function&apos;); }); it(&apos;should return an object with a toBe function&apos;, function () { chai_1.expect(expectObservable(Rx.Observable.of(1)).toBe).to.be.a(&apos;function&apos;); }); it(&apos;should append to flushTests array&apos;, function () { expectObservable(Rx.Observable.empty()); chai_1.expect(rxTestScheduler.flushTests.length).to.equal(1); }); it(&apos;should handle empty&apos;, function () { expectObservable(Rx.Observable.empty()).toBe(&apos;|&apos;, {}); }); it(&apos;should handle never&apos;, function () { expectObservable(Rx.Observable.never()).toBe(&apos;-&apos;, {}); expectObservable(Rx.Observable.never()).toBe(&apos;---&apos;, {}); }); it(&apos;should accept an unsubscription marble diagram&apos;, function () { var source = hot(&apos;---^-a-b-|&apos;); var unsubscribe = &apos;---!&apos;; var expected = &apos;--a&apos;; expectObservable(source, unsubscribe).toBe(expected); }); }); describe(&apos;expectSubscriptions()&apos;, function () { it(&apos;should exist&apos;, function () { chai_1.expect(expectSubscriptions).to.exist; chai_1.expect(expectSubscriptions).to.be.a(&apos;function&apos;); }); it(&apos;should return an object with a toBe function&apos;, function () { chai_1.expect(expectSubscriptions([]).toBe).to.be.a(&apos;function&apos;); }); it(&apos;should append to flushTests array&apos;, function () { expectSubscriptions([]); chai_1.expect(rxTestScheduler.flushTests.length).to.equal(1); }); it(&apos;should assert subscriptions of a cold observable&apos;, function () { var source = cold(&apos;---a---b-|&apos;); var subs = &apos;^--------!&apos;; expectSubscriptions(source.subscriptions).toBe(subs); source.subscribe(); }); }); describe(&apos;end-to-end helper tests&apos;, function () { it(&apos;should be awesome&apos;, function () { var values = { a: 1, b: 2 }; var myObservable = cold(&apos;---a---b--|&apos;, values); var subs = &apos;^---------!&apos;; expectObservable(myObservable).toBe(&apos;---a---b--|&apos;, values); expectSubscriptions(myObservable.subscriptions).toBe(subs); }); it(&apos;should support testing metastreams&apos;, function () { var x = cold(&apos;-a-b|&apos;); var y = cold(&apos;-c-d|&apos;); var myObservable = hot(&apos;---x---y----|&apos;, { x: x, y: y }); var expected = &apos;---x---y----|&apos;; var expectedx = cold(&apos;-a-b|&apos;); var expectedy = cold(&apos;-c-d|&apos;); expectObservable(myObservable).toBe(expected, { x: expectedx, y: expectedy }); }); }); }); }); //# sourceMappingURL=TestScheduler-spec.js.map</code></pre> </div> 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