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