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Edit File: audit-spec.js

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var chai_1 = require("chai");
var testing_1 = require("rxjs/testing");
var rxjs_1 = require("rxjs");
var operators_1 = require("rxjs/operators");
var observableMatcher_1 = require("../helpers/observableMatcher");
describe('audit operator', function () {
    var testScheduler;
    beforeEach(function () {
        testScheduler = new testing_1.TestScheduler(observableMatcher_1.observableMatcher);
    });
    it('should emit the last value in each time window', function () {
        testScheduler.run(function (_a) {
            var hot = _a.hot, cold = _a.cold, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var e1 = hot('  -a-xy-----b--x--cxyz-|');
            var e1subs = '  ^--------------------!';
            var e2 = cold('  ----i                ');
            var e2subs = [
                '               -^---!                ',
                '               ----------^---!       ',
                '               ----------------^---! ',
            ];
            var expected = '-----y--------x-----z|';
            var result = e1.pipe((0, operators_1.audit)(function () { return e2; }));
            expectObservable(result).toBe(expected);
            expectSubscriptions(e1.subscriptions).toBe(e1subs);
            expectSubscriptions(e2.subscriptions).toBe(e2subs);
        });
    });
    it('should delay the source if values are not emitted often enough', function () {
        testScheduler.run(function (_a) {
            var hot = _a.hot, cold = _a.cold, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var e1 = hot('  -a--------b-----c----|');
            var e1subs = '  ^--------------------!';
            var e2 = cold('  ----x                ');
            var e2subs = [
                '               -^---!                ',
                '               ----------^---!       ',
                '               ----------------^---! ',
            ];
            var expected = '-----a--------b-----c|';
            var result = e1.pipe((0, operators_1.audit)(function () { return e2; }));
            expectObservable(result).toBe(expected);
            expectSubscriptions(e1.subscriptions).toBe(e1subs);
            expectSubscriptions(e2.subscriptions).toBe(e2subs);
        });
    });
    it('should audit with duration Observable using next to close the duration', function () {
        testScheduler.run(function (_a) {
            var hot = _a.hot, cold = _a.cold, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var e1 = hot('   -a-xy-----b--x--cxxx-|');
            var e1subs = '   ^--------------------!';
            var e2 = cold('   ----x-y-z            ');
            var e2subs = [
                '                -^---!                ',
                '                ----------^---!       ',
                '                ----------------^---! ',
            ];
            var expected = ' -----y--------x-----x|';
            var result = e1.pipe((0, operators_1.audit)(function () { return e2; }));
            expectObservable(result).toBe(expected);
            expectSubscriptions(e1.subscriptions).toBe(e1subs);
            expectSubscriptions(e2.subscriptions).toBe(e2subs);
        });
    });
    it('should interrupt source and duration when result is unsubscribed early', function () {
        testScheduler.run(function (_a) {
            var hot = _a.hot, cold = _a.cold, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var e1 = hot('  -a-x-y-z-xyz-x-y-z----b--x-x-|');
            var unsub = '   --------------!               ';
            var e1subs = '  ^-------------!               ';
            var e2 = cold('  -----x------------|          ');
            var e2subs = [
                '               -^----!                       ',
                '               -------^----!                 ',
                '               -------------^!               ',
            ];
            var expected = '------y-----z--               ';
            var result = e1.pipe((0, operators_1.audit)(function () { return e2; }));
            expectObservable(result, unsub).toBe(expected);
            expectSubscriptions(e1.subscriptions).toBe(e1subs);
            expectSubscriptions(e2.subscriptions).toBe(e2subs);
        });
    });
    it('should not break unsubscription chains when result is unsubscribed explicitly', function () {
        testScheduler.run(function (_a) {
            var hot = _a.hot, cold = _a.cold, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var e1 = hot('  -a-x-y-z-xyz-x-y-z----b--x-x-|');
            var e1subs = '  ^-------------!               ';
            var e2 = cold('  -----x------------|          ');
            var e2subs = [
                '               -^----!                       ',
                '               -------^----!                 ',
                '               -------------^!               ',
            ];
            var expected = '------y-----z--               ';
            var unsub = '   --------------!               ';
            var result = e1.pipe((0, operators_1.mergeMap)(function (x) { return (0, rxjs_1.of)(x); }), (0, operators_1.audit)(function () { return e2; }), (0, operators_1.mergeMap)(function (x) { return (0, rxjs_1.of)(x); }));
            expectObservable(result, unsub).toBe(expected);
            expectSubscriptions(e1.subscriptions).toBe(e1subs);
            expectSubscriptions(e2.subscriptions).toBe(e2subs);
        });
    });
    it('should handle a busy producer emitting a regular repeating sequence', function () {
        testScheduler.run(function (_a) {
            var hot = _a.hot, cold = _a.cold, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var e1 = hot('  abcdefabcdefabcdefabcdefa|    ');
            var e1subs = '  ^------------------------!    ';
            var e2 = cold(' -----x                        ');
            var e2subs = [
                '               ^----!                        ',
                '               ------^----!                  ',
                '               ------------^----!            ',
                '               ------------------^----!      ',
                '               ------------------------^----!',
            ];
            var expected = '-----f-----f-----f-----f-----(a|)';
            var result = e1.pipe((0, operators_1.audit)(function () { return e2; }));
            expectObservable(result).toBe(expected);
            expectSubscriptions(e1.subscriptions).toBe(e1subs);
            expectSubscriptions(e2.subscriptions).toBe(e2subs);
        });
    });
    it('should mirror source if durations are immediate', function () {
        testScheduler.run(function (_a) {
            var hot = _a.hot, cold = _a.cold, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var e1 = hot('  abcdefabcdefabcdefabcdefa|');
            var e1subs = '  ^------------------------!';
            var e2 = cold(' x');
            var expected = 'abcdefabcdefabcdefabcdefa|';
            var result = e1.pipe((0, operators_1.audit)(function () { return e2; }));
            expectObservable(result).toBe(expected);
            expectSubscriptions(e1.subscriptions).toBe(e1subs);
        });
    });
    it('should emit no values if durations are EMPTY', function () {
        testScheduler.run(function (_a) {
            var hot = _a.hot, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var e1 = hot('  abcdefabcdefabcdefabcdefa|');
            var e1subs = '  ^------------------------!';
            var e2 = rxjs_1.EMPTY;
            var expected = '-------------------------|';
            var result = e1.pipe((0, operators_1.audit)(function () { return e2; }));
            expectObservable(result).toBe(expected);
            expectSubscriptions(e1.subscriptions).toBe(e1subs);
        });
    });
    it('should emit no values and never complete if duration is a never', function () {
        testScheduler.run(function (_a) {
            var hot = _a.hot, cold = _a.cold, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var e1 = hot('  ----abcdefabcdefabcdefabcdefa|');
            var e1subs = '  ^----------------------------!';
            var e2 = cold(' -');
            var e2subs = '  ----^-------------------------';
            var expected = '------------------------------';
            var result = e1.pipe((0, operators_1.audit)(function () { return e2; }));
            expectObservable(result).toBe(expected);
            expectSubscriptions(e1.subscriptions).toBe(e1subs);
            expectSubscriptions(e2.subscriptions).toBe(e2subs);
        });
    });
    it('should unsubscribe duration Observable when source raise error', function () {
        testScheduler.run(function (_a) {
            var hot = _a.hot, cold = _a.cold, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var e1 = hot('  ----abcdefabcdefabcdefabcdefa#');
            var e1subs = '  ^----------------------------!';
            var e2 = cold(' -');
            var e2subs = '  ----^------------------------!';
            var expected = '-----------------------------#';
            var result = e1.pipe((0, operators_1.audit)(function () { return e2; }));
            expectObservable(result).toBe(expected);
            expectSubscriptions(e1.subscriptions).toBe(e1subs);
            expectSubscriptions(e2.subscriptions).toBe(e2subs);
        });
    });
    it('should mirror source if durations are synchronous observables', function () {
        testScheduler.run(function (_a) {
            var hot = _a.hot, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var e1 = hot('  abcdefabcdefabcdefabcdefa|');
            var e1subs = '  ^------------------------!';
            var e2 = (0, rxjs_1.of)('one single value');
            var expected = 'abcdefabcdefabcdefabcdefa|';
            var result = e1.pipe((0, operators_1.audit)(function () { return e2; }));
            expectObservable(result).toBe(expected);
            expectSubscriptions(e1.subscriptions).toBe(e1subs);
        });
    });
    it('should raise error as soon as just-throw duration is used', function () {
        testScheduler.run(function (_a) {
            var hot = _a.hot, cold = _a.cold, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var e1 = hot('  ----abcdefabcdefabcdefabcdefa|');
            var e1subs = '  ^---!                         ';
            var e2 = cold(' #');
            var e2subs = '  ----(^!)                      ';
            var expected = '----(-#)                      ';
            var result = e1.pipe((0, operators_1.audit)(function () { return e2; }));
            expectObservable(result).toBe(expected);
            expectSubscriptions(e1.subscriptions).toBe(e1subs);
            expectSubscriptions(e2.subscriptions).toBe(e2subs);
        });
    });
    it('should audit using durations of varying lengths', function () {
        testScheduler.run(function (_a) {
            var hot = _a.hot, cold = _a.cold, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var e1 = hot('  abcdefabcdabcdefghabca|     ');
            var e1subs = '  ^---------------------!     ';
            var e2 = [
                cold('          -----x                      '),
                cold('              ---x                    '),
                cold('                  -------x            '),
                cold('                        --x           '),
                cold('                           ----x      '),
            ];
            var e2subs = [
                '               ^----!                      ',
                '               ------^--!                  ',
                '               ----------^------!          ',
                '               ------------------^-!       ',
                '               ---------------------^---!  ',
            ];
            var expected = '-----f---d-------h--c----(a|)';
            var i = 0;
            var result = e1.pipe((0, operators_1.audit)(function () { return e2[i++]; }));
            expectObservable(result).toBe(expected);
            expectSubscriptions(e1.subscriptions).toBe(e1subs);
            for (var j = 0; j < e2.length; j++) {
                expectSubscriptions(e2[j].subscriptions).toBe(e2subs[j]);
            }
        });
    });
    it('should propagate error from duration Observable', function () {
        testScheduler.run(function (_a) {
            var hot = _a.hot, cold = _a.cold, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var e1 = hot('  abcdefabcdabcdefghabca|');
            var e1subs = '  ^----------------!     ';
            var e2 = [
                cold('          -----x                 '),
                cold('              ---x               '),
                cold('                  -------#       '),
            ];
            var e2subs = [
                '               ^----!                 ',
                '               ------^--!             ',
                '               ----------^------!     ',
            ];
            var expected = '-----f---d-------#     ';
            var i = 0;
            var result = e1.pipe((0, operators_1.audit)(function () { return e2[i++]; }));
            expectObservable(result).toBe(expected);
            expectSubscriptions(e1.subscriptions).toBe(e1subs);
            for (var j = 0; j < e2.length; j++) {
                expectSubscriptions(e2[j].subscriptions).toBe(e2subs[j]);
            }
        });
    });
    it('should propagate error thrown from durationSelector function', function () {
        testScheduler.run(function (_a) {
            var hot = _a.hot, cold = _a.cold, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var e1 = hot('  abcdefabcdabcdefghabca|   ');
            var e1subs = '  ^---------!               ';
            var e2 = [
                cold('          -----x                    '),
                cold('              ---x                  '),
                cold('                  -------x          '),
            ];
            var e2subs = [
                '               ^----!                     ',
                '               ------^--!                 ',
            ];
            var expected = '-----f---d#                ';
            var i = 0;
            var result = e1.pipe((0, operators_1.audit)(function () {
                if (i === 2) {
                    throw 'error';
                }
                return e2[i++];
            }));
            expectObservable(result).toBe(expected);
            expectSubscriptions(e1.subscriptions).toBe(e1subs);
            for (var j = 0; j < e2subs.length; j++) {
                expectSubscriptions(e2[j].subscriptions).toBe(e2subs[j]);
            }
        });
    });
    it('should complete when source does not emit', function () {
        testScheduler.run(function (_a) {
            var hot = _a.hot, cold = _a.cold, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var e1 = hot('  -----|');
            var subs = '    ^----!';
            var expected = '-----|';
            function durationSelector() {
                return cold('-----|');
            }
            expectObservable(e1.pipe((0, operators_1.audit)(durationSelector))).toBe(expected);
            expectSubscriptions(e1.subscriptions).toBe(subs);
        });
    });
    it('should raise error when source does not emit and raises error', function () {
        testScheduler.run(function (_a) {
            var hot = _a.hot, cold = _a.cold, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var e1 = hot('  -----#');
            var subs = '    ^----!';
            var expected = '-----#';
            function durationSelector() {
                return cold('   -----|');
            }
            expectObservable(e1.pipe((0, operators_1.audit)(durationSelector))).toBe(expected);
            expectSubscriptions(e1.subscriptions).toBe(subs);
        });
    });
    it('should handle an empty source', function () {
        testScheduler.run(function (_a) {
            var cold = _a.cold, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var e1 = cold(' |');
            var subs = '    (^!)';
            var expected = '|';
            function durationSelector() {
                return cold('   -----|');
            }
            expectObservable(e1.pipe((0, operators_1.audit)(durationSelector))).toBe(expected);
            expectSubscriptions(e1.subscriptions).toBe(subs);
        });
    });
    it('should handle a never source', function () {
        testScheduler.run(function (_a) {
            var cold = _a.cold, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var e1 = cold(' -');
            var subs = '    ^';
            var expected = '-';
            function durationSelector() {
                return cold('   -----|');
            }
            expectObservable(e1.pipe((0, operators_1.audit)(durationSelector))).toBe(expected);
            expectSubscriptions(e1.subscriptions).toBe(subs);
        });
    });
    it('should handle a throw source', function () {
        testScheduler.run(function (_a) {
            var cold = _a.cold, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var e1 = cold(' #');
            var subs = '    (^!)';
            var expected = '#';
            function durationSelector() {
                return cold('   -----|');
            }
            expectObservable(e1.pipe((0, operators_1.audit)(durationSelector))).toBe(expected);
            expectSubscriptions(e1.subscriptions).toBe(subs);
        });
    });
    it('should audit by promise resolves', function (done) {
        var e1 = (0, rxjs_1.interval)(10).pipe((0, operators_1.take)(5));
        var expected = [0, 1, 2, 3, 4];
        e1.pipe((0, operators_1.audit)(function () { return Promise.resolve(42); })).subscribe({
            next: function (x) {
                (0, chai_1.expect)(x).to.equal(expected.shift());
            },
            error: function () {
                done(new Error('should not be called'));
            },
            complete: function () {
                (0, chai_1.expect)(expected.length).to.equal(0);
                done();
            },
        });
    });
    it('should raise error when promise rejects', function (done) {
        var e1 = (0, rxjs_1.interval)(10).pipe((0, operators_1.take)(10));
        var expected = [0, 1, 2];
        var error = new Error('error');
        e1.pipe((0, operators_1.audit)(function (x) {
            if (x === 3) {
                return new Promise(function (resolve, reject) {
                    reject(error);
                });
            }
            else {
                return new Promise(function (resolve) {
                    resolve(42);
                });
            }
        })).subscribe({
            next: function (x) {
                (0, chai_1.expect)(x).to.equal(expected.shift());
            },
            error: function (err) {
                (0, chai_1.expect)(err).to.be.an('error', 'error');
                (0, chai_1.expect)(expected.length).to.equal(0);
                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);
            }
        });
        synchronousObservable
            .pipe((0, operators_1.audit)(function () { return (0, rxjs_1.of)(0); }), (0, operators_1.take)(3))
            .subscribe(function () {
        });
        (0, chai_1.expect)(sideEffects).to.deep.equal([0, 1, 2]);
    });
    it('should emit last value after duration completes if source completes first', function () {
        testScheduler.run(function (_a) {
            var hot = _a.hot, cold = _a.cold, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var e1 = hot('  -a--------xy|  ');
            var e1subs = '  ^-----------!  ';
            var e2 = cold('  ----x         ');
            var e2subs = [
                '               -^---!         ',
                '               ----------^---!',
            ];
            var expected = '-----a--------(y|)';
            var result = e1.pipe((0, operators_1.audit)(function () { return e2; }));
            expectObservable(result).toBe(expected);
            expectSubscriptions(e1.subscriptions).toBe(e1subs);
            expectSubscriptions(e2.subscriptions).toBe(e2subs);
        });
    });
});
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