JezK

Edit File: exhaustAll-spec.js

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var chai_1 = require("chai");
var operators_1 = require("rxjs/operators");
var testing_1 = require("rxjs/testing");
var rxjs_1 = require("rxjs");
var observableMatcher_1 = require("../helpers/observableMatcher");
describe('exhaust', function () {
    var testScheduler;
    beforeEach(function () {
        testScheduler = new testing_1.TestScheduler(observableMatcher_1.observableMatcher);
    });
    it('should handle a hot observable of hot observables', function () {
        testScheduler.run(function (_a) {
            var hot = _a.hot, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var x = hot('   -----a---b---c--|                  ');
            var xsubs = '   ------^---------!                  ';
            var y = hot('   -------d--e---f---|                ');
            var ysubs = [];
            var z = hot('   --------------g--h---i---|         ');
            var zsubs = '   --------------------^----!         ';
            var e1 = hot('  ------x-------y-----z-------------|', { x: x, y: y, z: z });
            var e1subs = '  ^---------------------------------!';
            var expected = '---------b---c-------i------------|';
            expectObservable(e1.pipe((0, operators_1.exhaustAll)())).toBe(expected);
            expectSubscriptions(e1.subscriptions).toBe(e1subs);
            expectSubscriptions(x.subscriptions).toBe(xsubs);
            expectSubscriptions(y.subscriptions).toBe(ysubs);
            expectSubscriptions(z.subscriptions).toBe(zsubs);
        });
    });
    it('should switch to first immediately-scheduled inner Observable', function () {
        testScheduler.run(function (_a) {
            var cold = _a.cold, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var e1 = cold(' (ab|)');
            var e1subs = '  (^!) ';
            var e2 = cold(' (cd|)');
            var e2subs = [];
            var expected = '(ab|)';
            expectObservable((0, rxjs_1.of)(e1, e2).pipe((0, operators_1.exhaustAll)())).toBe(expected);
            expectSubscriptions(e1.subscriptions).toBe(e1subs);
            expectSubscriptions(e2.subscriptions).toBe(e2subs);
        });
    });
    it('should handle throw', function () {
        testScheduler.run(function (_a) {
            var cold = _a.cold, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var e1 = cold(' #   ');
            var e1subs = '  (^!)';
            var expected = '#   ';
            expectObservable(e1.pipe((0, operators_1.exhaustAll)())).toBe(expected);
            expectSubscriptions(e1.subscriptions).toBe(e1subs);
        });
    });
    it('should handle empty', function () {
        testScheduler.run(function (_a) {
            var cold = _a.cold, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var e1 = cold(' |   ');
            var e1subs = '  (^!)';
            var expected = '|   ';
            expectObservable(e1.pipe((0, operators_1.exhaustAll)())).toBe(expected);
            expectSubscriptions(e1.subscriptions).toBe(e1subs);
        });
    });
    it('should handle never', function () {
        testScheduler.run(function (_a) {
            var cold = _a.cold, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var e1 = cold(' -');
            var e1subs = '  ^';
            var expected = '-';
            expectObservable(e1.pipe((0, operators_1.exhaustAll)())).toBe(expected);
            expectSubscriptions(e1.subscriptions).toBe(e1subs);
        });
    });
    it('should handle a hot observable of observables', function () {
        testScheduler.run(function (_a) {
            var cold = _a.cold, hot = _a.hot, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var x = cold('        --a---b---c--|               ');
            var xsubs = '   ------^------------!               ';
            var y = cold('                ---d--e---f---|      ');
            var ysubs = [];
            var z = cold('                      ---g--h---i---|');
            var zsubs = '   --------------------^-------------!';
            var e1 = hot('  ------x-------y-----z-------------|', { x: x, y: y, z: z });
            var e1subs = '  ^---------------------------------!';
            var expected = '--------a---b---c------g--h---i---|';
            expectObservable(e1.pipe((0, operators_1.exhaustAll)())).toBe(expected);
            expectSubscriptions(e1.subscriptions).toBe(e1subs);
            expectSubscriptions(x.subscriptions).toBe(xsubs);
            expectSubscriptions(y.subscriptions).toBe(ysubs);
            expectSubscriptions(z.subscriptions).toBe(zsubs);
        });
    });
    it('should handle a hot observable of observables, outer is unsubscribed early', function () {
        testScheduler.run(function (_a) {
            var cold = _a.cold, hot = _a.hot, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var x = cold('        --a---b---c--|         ');
            var xsubs = '   ------^---------!            ';
            var y = cold('                ---d--e---f---|');
            var ysubs = [];
            var e1 = hot('  ------x-------y------|       ', { x: x, y: y });
            var unsub = '   ----------------!            ';
            var expected = '--------a---b----            ';
            expectObservable(e1.pipe((0, operators_1.exhaustAll)()), unsub).toBe(expected);
            expectSubscriptions(x.subscriptions).toBe(xsubs);
            expectSubscriptions(y.subscriptions).toBe(ysubs);
        });
    });
    it('should not break unsubscription chains when result is unsubscribed explicitly', function () {
        testScheduler.run(function (_a) {
            var cold = _a.cold, hot = _a.hot, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var x = cold('        --a---b---c--|         ');
            var xsubs = '   ------^---------!            ';
            var y = cold('                ---d--e---f---|');
            var ysubs = [];
            var e1 = hot('  ------x-------y------|       ', { x: x, y: y });
            var unsub = '   ----------------!            ';
            var expected = '--------a---b----            ';
            var result = e1.pipe((0, operators_1.mergeMap)(function (x) { return (0, rxjs_1.of)(x); }), (0, operators_1.exhaustAll)(), (0, operators_1.mergeMap)(function (x) { return (0, rxjs_1.of)(x); }));
            expectObservable(result, unsub).toBe(expected);
            expectSubscriptions(x.subscriptions).toBe(xsubs);
            expectSubscriptions(y.subscriptions).toBe(ysubs);
        });
    });
    it('should handle a hot observable of observables, inner never completes', function () {
        testScheduler.run(function (_a) {
            var cold = _a.cold, hot = _a.hot, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var x = cold('     --a---b--|              ');
            var xsubs = '   ---^--------!              ';
            var y = cold('         -d---e-             ');
            var ysubs = [];
            var z = cold('                ---f--g---h--');
            var zsubs = '   --------------^------------';
            var e1 = hot('  ---x---y------z----------| ', { x: x, y: y, z: z });
            var expected = '-----a---b-------f--g---h--';
            expectObservable(e1.pipe((0, operators_1.exhaustAll)())).toBe(expected);
            expectSubscriptions(x.subscriptions).toBe(xsubs);
            expectSubscriptions(y.subscriptions).toBe(ysubs);
            expectSubscriptions(z.subscriptions).toBe(zsubs);
        });
    });
    it('should handle a synchronous switch and stay on the first inner observable', function () {
        testScheduler.run(function (_a) {
            var cold = _a.cold, hot = _a.hot, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var x = cold('        --a---b---c--|   ');
            var xsubs = '   ------^------------!   ';
            var y = cold('        ---d--e---f---|  ');
            var ysubs = [];
            var e1 = hot('  ------(xy)------------|', { x: x, y: y });
            var expected = '--------a---b---c-----|';
            expectObservable(e1.pipe((0, operators_1.exhaustAll)())).toBe(expected);
            expectSubscriptions(x.subscriptions).toBe(xsubs);
            expectSubscriptions(y.subscriptions).toBe(ysubs);
        });
    });
    it('should handle a hot observable of observables, one inner throws', function () {
        testScheduler.run(function (_a) {
            var cold = _a.cold, hot = _a.hot, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var x = cold('        --a---#                ');
            var xsubs = '   ------^-----!                ';
            var y = cold('                ---d--e---f---|');
            var ysubs = [];
            var e1 = hot('  ------x-------y------|       ', { x: x, y: y });
            var expected = '--------a---#                ';
            expectObservable(e1.pipe((0, operators_1.exhaustAll)())).toBe(expected);
            expectSubscriptions(x.subscriptions).toBe(xsubs);
            expectSubscriptions(y.subscriptions).toBe(ysubs);
        });
    });
    it('should handle a hot observable of observables, outer throws', function () {
        testScheduler.run(function (_a) {
            var cold = _a.cold, hot = _a.hot, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var x = cold('        --a---b---c--|         ');
            var xsubs = '   ------^------------!         ';
            var y = cold('                ---d--e---f---|');
            var ysubs = [];
            var e1 = hot('  ------x-------y-------#      ', { x: x, y: y });
            var expected = '--------a---b---c-----#      ';
            expectObservable(e1.pipe((0, operators_1.exhaustAll)())).toBe(expected);
            expectSubscriptions(x.subscriptions).toBe(xsubs);
            expectSubscriptions(y.subscriptions).toBe(ysubs);
        });
    });
    it('should handle an empty hot observable', 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.exhaustAll)())).toBe(expected);
            expectSubscriptions(e1.subscriptions).toBe(e1subs);
        });
    });
    it('should handle a never hot observable', 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.exhaustAll)())).toBe(expected);
            expectSubscriptions(e1.subscriptions).toBe(e1subs);
        });
    });
    it('should complete not before the outer completes', function () {
        testScheduler.run(function (_a) {
            var cold = _a.cold, hot = _a.hot, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var x = cold('        --a---b---c--|   ');
            var xsubs = '   ------^------------!   ';
            var e1 = hot('  ------x---------------|', { x: x });
            var expected = '--------a---b---c-----|';
            expectObservable(e1.pipe((0, operators_1.exhaustAll)())).toBe(expected);
            expectSubscriptions(x.subscriptions).toBe(xsubs);
        });
    });
    it('should handle an observable of promises', function (done) {
        var expected = [1];
        (0, rxjs_1.of)(Promise.resolve(1), Promise.resolve(2), Promise.resolve(3))
            .pipe((0, operators_1.exhaustAll)())
            .subscribe({
            next: function (x) {
                (0, chai_1.expect)(x).to.equal(expected.shift());
            },
            complete: function () {
                (0, chai_1.expect)(expected.length).to.equal(0);
                done();
            },
        });
    });
    it('should handle an observable of promises, where one rejects', function (done) {
        (0, rxjs_1.of)(Promise.reject(2), Promise.resolve(1))
            .pipe((0, operators_1.exhaustAll)())
            .subscribe({
            next: function (x) {
                done(new Error('should not be called'));
            },
            error: function (err) {
                (0, chai_1.expect)(err).to.equal(2);
                done();
            },
            complete: function () {
                done(new Error('should not be called'));
            },
        });
    });
    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);
            }
        });
        (0, rxjs_1.of)(synchronousObservable)
            .pipe((0, operators_1.exhaustAll)(), (0, operators_1.take)(3))
            .subscribe(function () {
        });
        (0, chai_1.expect)(sideEffects).to.deep.equal([0, 1, 2]);
    });
    it('should handle synchronously completing inner observables', function (done) {
        var i = 1;
        (0, rxjs_1.of)((0, rxjs_1.of)(1), (0, rxjs_1.of)(2))
            .pipe((0, operators_1.exhaustAll)())
            .subscribe({
            next: function (v) { return (0, chai_1.expect)(v).to.equal(i++); },
            complete: function () {
                (0, chai_1.expect)(i).to.equal(3);
                done();
            },
        });
    });
});
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