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Edit File: observeOn-spec.js
"use strict"; Object.defineProperty(exports, "__esModule", { value: true }); var operators_1 = require("rxjs/operators"); var testing_1 = require("rxjs/testing"); var chai_1 = require("chai"); var rxjs_1 = require("rxjs"); var observableMatcher_1 = require("../helpers/observableMatcher"); describe('observeOn', function () { var testScheduler; beforeEach(function () { testScheduler = new testing_1.TestScheduler(observableMatcher_1.observableMatcher); }); it('should observe on specified scheduler', function () { testScheduler.run(function (_a) { var hot = _a.hot, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions; var e1 = hot(' --a--b--|'); var e1subs = ' ^-------!'; var expected = '--a--b--|'; expectObservable(e1.pipe((0, operators_1.observeOn)(testScheduler))).toBe(expected); expectSubscriptions(e1.subscriptions).toBe(e1subs); }); }); it('should observe after specified delay', function () { testScheduler.run(function (_a) { var hot = _a.hot, time = _a.time, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions; var e1 = hot(' --a----b-| '); var e1subs = ' ^--------! '; var delay = time(' ---| '); var expected = ' -----a----b-|'; expectObservable(e1.pipe((0, operators_1.observeOn)(testScheduler, delay))).toBe(expected); expectSubscriptions(e1.subscriptions).toBe(e1subs); }); }); it('should observe when source raises error', function () { testScheduler.run(function (_a) { var hot = _a.hot, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions; var e1 = hot(' --a--#'); var e1subs = ' ^----!'; var expected = '--a--#'; expectObservable(e1.pipe((0, operators_1.observeOn)(testScheduler))).toBe(expected); expectSubscriptions(e1.subscriptions).toBe(e1subs); }); }); it('should observe when source is empty', function () { testScheduler.run(function (_a) { var hot = _a.hot, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions; var e1 = hot(' -----|'); var e1subs = ' ^----!'; var expected = '-----|'; expectObservable(e1.pipe((0, operators_1.observeOn)(testScheduler))).toBe(expected); expectSubscriptions(e1.subscriptions).toBe(e1subs); }); }); it('should observe when source does not complete', function () { testScheduler.run(function (_a) { var hot = _a.hot, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions; var e1 = hot(' -----'); var e1subs = ' ^----'; var expected = '-----'; expectObservable(e1.pipe((0, operators_1.observeOn)(testScheduler))).toBe(expected); expectSubscriptions(e1.subscriptions).toBe(e1subs); }); }); it('should allow unsubscribing early and explicitly', function () { testScheduler.run(function (_a) { var hot = _a.hot, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions; var e1 = hot(' --a--b--|'); var e1subs = ' ^---! '; var expected = '--a-- '; var unsub = ' ----! '; var result = e1.pipe((0, operators_1.observeOn)(testScheduler)); expectObservable(result, unsub).toBe(expected); expectSubscriptions(e1.subscriptions).toBe(e1subs); }); }); it('should not break unsubscription chains when the result is unsubscribed explicitly', function () { testScheduler.run(function (_a) { var hot = _a.hot, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions; var e1 = hot(' --a--b--|'); var e1subs = ' ^---! '; var expected = '--a-- '; var unsub = ' ----! '; var result = e1.pipe((0, operators_1.mergeMap)(function (x) { return (0, rxjs_1.of)(x); }), (0, operators_1.observeOn)(testScheduler), (0, operators_1.mergeMap)(function (x) { return (0, rxjs_1.of)(x); })); expectObservable(result, unsub).toBe(expected); expectSubscriptions(e1.subscriptions).toBe(e1subs); }); }); it('should stop listening to a synchronous observable when unsubscribed', function () { var sideEffects = []; var synchronousObservable = new rxjs_1.Observable(function (subscriber) { for (var i = 0; !subscriber.closed && i < 10; i++) { sideEffects.push(i); subscriber.next(i); } }); synchronousObservable.pipe((0, operators_1.observeOn)(rxjs_1.queueScheduler), (0, operators_1.take)(3)).subscribe(function () { }); (0, chai_1.expect)(sideEffects).to.deep.equal([0, 1, 2]); }); }); //# sourceMappingURL=observeOn-spec.js.map