JezK

Edit File: window-spec.js

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var operators_1 = require("rxjs/operators");
var testing_1 = require("rxjs/testing");
var rxjs_1 = require("rxjs");
var observableMatcher_1 = require("../helpers/observableMatcher");
describe('window', function () {
    var rxTestScheduler;
    beforeEach(function () {
        rxTestScheduler = new testing_1.TestScheduler(observableMatcher_1.observableMatcher);
    });
    it('should emit windows that close and reopen', function () {
        rxTestScheduler.run(function (_a) {
            var hot = _a.hot, cold = _a.cold, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var source = hot('  ---a---b---c---d---e---f---g---h---i---|    ');
            var sourceSubs = '  ^--------------------------------------!    ';
            var closings = hot('-------------w------------w----------------|');
            var closingSubs = ' ^--------------------------------------!    ';
            var expected = '    x------------y------------z------------|    ';
            var x = cold('      ---a---b---c-|                              ');
            var y = cold('                   --d---e---f--|                 ');
            var z = cold('                                -g---h---i---|    ');
            var expectedValues = { x: x, y: y, z: z };
            var result = source.pipe((0, operators_1.window)(closings));
            expectObservable(result).toBe(expected, expectedValues);
            expectSubscriptions(source.subscriptions).toBe(sourceSubs);
            expectSubscriptions(closings.subscriptions).toBe(closingSubs);
        });
    });
    it('should return a single empty window if source is empty and closings are basic', function () {
        rxTestScheduler.run(function (_a) {
            var cold = _a.cold, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var source = cold('  |        ');
            var sourceSubs = '   (^!)     ';
            var closings = cold('--x--x--|');
            var closingSubs = '  (^!)     ';
            var expected = '     (w|)     ';
            var w = cold('       |        ');
            var expectedValues = { w: w };
            var result = source.pipe((0, operators_1.window)(closings));
            expectObservable(result).toBe(expected, expectedValues);
            expectSubscriptions(source.subscriptions).toBe(sourceSubs);
            expectSubscriptions(closings.subscriptions).toBe(closingSubs);
        });
    });
    it('should return a single empty window if source is empty and closing is empty', function () {
        rxTestScheduler.run(function (_a) {
            var cold = _a.cold, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var source = cold('  |   ');
            var sourceSubs = '   (^!)';
            var closings = cold('|   ');
            var closingSubs = '  (^!)';
            var expected = '     (w|)';
            var w = cold('       |   ');
            var expectedValues = { w: w };
            var result = source.pipe((0, operators_1.window)(closings));
            expectObservable(result).toBe(expected, expectedValues);
            expectSubscriptions(source.subscriptions).toBe(sourceSubs);
            expectSubscriptions(closings.subscriptions).toBe(closingSubs);
        });
    });
    it('should return a single empty window if source is sync empty and closing is sync empty', function () {
        rxTestScheduler.run(function (_a) {
            var cold = _a.cold, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var source = cold('  (|) ');
            var sourceSubs = '   (^!)';
            var expected = '     (w|)';
            var w = cold('       |   ');
            var expectedValues = { w: w };
            var result = source.pipe((0, operators_1.window)(rxjs_1.EMPTY));
            expectObservable(result).toBe(expected, expectedValues);
            expectSubscriptions(source.subscriptions).toBe(sourceSubs);
        });
    });
    it('should split a Just source into a single window identical to source, using a Never closing', function () {
        rxTestScheduler.run(function (_a) {
            var cold = _a.cold, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var source = cold('  (a|)');
            var sourceSubs = '   (^!)';
            var closings = cold('-   ');
            var closingSubs = '  (^!)';
            var expected = '     (w|)';
            var w = cold('       (a|)');
            var expectedValues = { w: w };
            var result = source.pipe((0, operators_1.window)(closings));
            expectObservable(result).toBe(expected, expectedValues);
            expectSubscriptions(source.subscriptions).toBe(sourceSubs);
            expectSubscriptions(closings.subscriptions).toBe(closingSubs);
        });
    });
    it('should return a single Never window if source is Never', function () {
        rxTestScheduler.run(function (_a) {
            var cold = _a.cold, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var source = cold('  ------');
            var sourceSubs = '   ^-----';
            var closings = cold('------');
            var closingSubs = '  ^-----';
            var expected = '     w-----';
            var w = cold('       ------');
            var expectedValues = { w: w };
            var result = source.pipe((0, operators_1.window)(closings));
            expectObservable(result).toBe(expected, expectedValues);
            expectSubscriptions(source.subscriptions).toBe(sourceSubs);
            expectSubscriptions(closings.subscriptions).toBe(closingSubs);
        });
    });
    it('should be able to split a never Observable into timely empty windows', function () {
        rxTestScheduler.run(function (_a) {
            var hot = _a.hot, cold = _a.cold, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var source = hot('   ^--------');
            var sourceSubs = '   ^--------';
            var closings = cold('--x--x--|');
            var closingSubs = '  ^-------!';
            var expected = '     a-b--c---';
            var a = cold('       --|      ');
            var b = cold('         ---|   ');
            var c = cold('            ----');
            var expectedValues = { a: a, b: b, c: c };
            var result = source.pipe((0, operators_1.window)(closings));
            expectObservable(result).toBe(expected, expectedValues);
            expectSubscriptions(source.subscriptions).toBe(sourceSubs);
            expectSubscriptions(closings.subscriptions).toBe(closingSubs);
        });
    });
    it('should emit an error-only window if outer is a simple throw-Observable', function () {
        rxTestScheduler.run(function (_a) {
            var cold = _a.cold, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var source = cold('  #        ');
            var sourceSubs = '   (^!)     ';
            var closings = cold('--x--x--|');
            var closingSubs = '  (^!)     ';
            var expected = '     (w#)     ';
            var w = cold('       #        ');
            var expectedValues = { w: w };
            var result = source.pipe((0, operators_1.window)(closings));
            expectObservable(result).toBe(expected, expectedValues);
            expectSubscriptions(source.subscriptions).toBe(sourceSubs);
            expectSubscriptions(closings.subscriptions).toBe(closingSubs);
        });
    });
    it('should handle basic case with window closings', function () {
        rxTestScheduler.run(function (_a) {
            var hot = _a.hot, cold = _a.cold, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var source = hot('-1-2-^3-4-5-6-7-8-9-|         ');
            var subs = '           ^--------------!         ';
            var closings = hot('---^---x---x---x---x---x---|');
            var closingSubs = '    ^--------------!         ';
            var expected = '       a---b---c---d--|         ';
            var a = cold('         -3-4|                    ');
            var b = cold('             -5-6|                ');
            var c = cold('                 -7-8|            ');
            var d = cold('                     -9-|         ');
            var expectedValues = { a: a, b: b, c: c, d: d };
            var result = source.pipe((0, operators_1.window)(closings));
            expectObservable(result).toBe(expected, expectedValues);
            expectSubscriptions(source.subscriptions).toBe(subs);
            expectSubscriptions(closings.subscriptions).toBe(closingSubs);
        });
    });
    it('should handle basic case with window closings, but outer throws', function () {
        rxTestScheduler.run(function (_a) {
            var hot = _a.hot, cold = _a.cold, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var source = hot('-1-2-^3-4-5-6-7-8-9-#         ');
            var subs = '           ^--------------!         ';
            var closings = hot('---^---x---x---x---x---x---|');
            var closingSubs = '    ^--------------!         ';
            var expected = '       a---b---c---d--#         ';
            var a = cold('         -3-4|                    ');
            var b = cold('             -5-6|                ');
            var c = cold('                 -7-8|            ');
            var d = cold('                     -9-#         ');
            var expectedValues = { a: a, b: b, c: c, d: d };
            var result = source.pipe((0, operators_1.window)(closings));
            expectObservable(result).toBe(expected, expectedValues);
            expectSubscriptions(source.subscriptions).toBe(subs);
            expectSubscriptions(closings.subscriptions).toBe(closingSubs);
        });
    });
    it('should stop emitting windows when outer is unsubscribed early', function () {
        rxTestScheduler.run(function (_a) {
            var hot = _a.hot, cold = _a.cold, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var source = hot('-1-2-^3-4-5-6-7-8-9-|         ');
            var subs = '           ^-------!                ';
            var closings = hot('---^---x---x---x---x---x---|');
            var closingSubs = '    ^-------!                ';
            var expected = '       a---b----                ';
            var a = cold('         -3-4|                    ');
            var b = cold('             -5-6                 ');
            var unsub = '          --------!                ';
            var expectedValues = { a: a, b: b };
            var result = source.pipe((0, operators_1.window)(closings));
            expectObservable(result, unsub).toBe(expected, expectedValues);
            expectSubscriptions(source.subscriptions).toBe(subs);
            expectSubscriptions(closings.subscriptions).toBe(closingSubs);
        });
    });
    it('should not break unsubscription chains when result is unsubscribed explicitly', function () {
        rxTestScheduler.run(function (_a) {
            var hot = _a.hot, cold = _a.cold, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var source = hot('-1-2-^3-4-5-6-7-8-9-|         ');
            var subs = '           ^-------!                ';
            var closings = hot('---^---x---x---x---x---x---|');
            var closingSubs = '    ^-------!                ';
            var expected = '       a---b----                ';
            var a = cold('         -3-4|                    ');
            var b = cold('             -5-6-                ');
            var unsub = '          --------!                ';
            var expectedValues = { a: a, b: b };
            var result = source.pipe((0, operators_1.mergeMap)(function (x) { return (0, rxjs_1.of)(x); }), (0, operators_1.window)(closings), (0, operators_1.mergeMap)(function (x) { return (0, rxjs_1.of)(x); }));
            expectObservable(result, unsub).toBe(expected, expectedValues);
            expectSubscriptions(source.subscriptions).toBe(subs);
            expectSubscriptions(closings.subscriptions).toBe(closingSubs);
        });
    });
    it('should make outer emit error when closing throws', function () {
        rxTestScheduler.run(function (_a) {
            var hot = _a.hot, cold = _a.cold, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var source = hot('-1-2-^3-4-5-6-7-8-9-#');
            var subs = '           ^---!           ';
            var closings = hot('---^---#           ');
            var closingSubs = '    ^---!           ';
            var expected = '       a---#           ';
            var a = cold('         -3-4#           ');
            var expectedValues = { a: a };
            var result = source.pipe((0, operators_1.window)(closings));
            expectObservable(result).toBe(expected, expectedValues);
            expectSubscriptions(source.subscriptions).toBe(subs);
            expectSubscriptions(closings.subscriptions).toBe(closingSubs);
        });
    });
    it('should complete the resulting Observable when window closings completes', function () {
        rxTestScheduler.run(function (_a) {
            var hot = _a.hot, cold = _a.cold, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var source = hot('-1-2-^3-4-5-6-7-8-9-|');
            var subs = '           ^--------------!';
            var closings = hot('---^---x---x---|   ');
            var closingSubs = '    ^-----------!   ';
            var expected = '       a---b---c------|';
            var a = cold('         -3-4|           ');
            var b = cold('             -5-6|       ');
            var c = cold('                 -7-8-9-|');
            var expectedValues = { a: a, b: b, c: c };
            var result = source.pipe((0, operators_1.window)(closings));
            expectObservable(result).toBe(expected, expectedValues);
            expectSubscriptions(source.subscriptions).toBe(subs);
            expectSubscriptions(closings.subscriptions).toBe(closingSubs);
        });
    });
});
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