@reactivex/rxjs
Version:
Reactive Extensions for modern JavaScript
63 lines • 2.7 kB
JavaScript
"use strict";
var Rx = require('../../dist/cjs/Rx');
var Observable = Rx.Observable;
/** @test {subscribeOn} */
describe('Observable.prototype.subscribeOn', function () {
asDiagram('subscribeOn(scheduler)')('should subscribe on specified scheduler', function () {
var e1 = hot('--a--b--|');
var expected = '--a--b--|';
var sub = '^ !';
expectObservable(e1.subscribeOn(rxTestScheduler)).toBe(expected);
expectSubscriptions(e1.subscriptions).toBe(sub);
});
it('should start subscribe after specified delay', function () {
var e1 = hot('--a--b--|');
var expected = '-----b--|';
var sub = ' ^ !';
expectObservable(e1.subscribeOn(rxTestScheduler, 30)).toBe(expected);
expectSubscriptions(e1.subscriptions).toBe(sub);
});
it('should subscribe when source raises error', function () {
var e1 = hot('--a--#');
var expected = '--a--#';
var sub = '^ !';
expectObservable(e1.subscribeOn(rxTestScheduler)).toBe(expected);
expectSubscriptions(e1.subscriptions).toBe(sub);
});
it('should subscribe when source is empty', function () {
var e1 = hot('----|');
var expected = '----|';
var sub = '^ !';
expectObservable(e1.subscribeOn(rxTestScheduler)).toBe(expected);
expectSubscriptions(e1.subscriptions).toBe(sub);
});
it('should subscribe when source does not complete', function () {
var e1 = hot('----');
var expected = '----';
var sub = '^ ';
expectObservable(e1.subscribeOn(rxTestScheduler)).toBe(expected);
expectSubscriptions(e1.subscriptions).toBe(sub);
});
it('should allow unsubscribing early and explicitly', function () {
var e1 = hot('--a--b--|');
var sub = '^ ! ';
var expected = '--a-- ';
var unsub = ' ! ';
var result = e1.subscribeOn(rxTestScheduler);
expectObservable(result, unsub).toBe(expected);
expectSubscriptions(e1.subscriptions).toBe(sub);
});
it('should not break unsubscription chains when the result is unsubscribed explicitly', function () {
var e1 = hot('--a--b--|');
var sub = '^ ! ';
var expected = '--a-- ';
var unsub = ' ! ';
var result = e1
.mergeMap(function (x) { return Observable.of(x); })
.subscribeOn(rxTestScheduler)
.mergeMap(function (x) { return Observable.of(x); });
expectObservable(result, unsub).toBe(expected);
expectSubscriptions(e1.subscriptions).toBe(sub);
});
});
//# sourceMappingURL=subscribeOn-spec.js.map