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Edit File: finalize-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 observableMatcher_1 = require("../helpers/observableMatcher");
var rxjs_1 = require("rxjs");
var interop_helper_1 = require("../helpers/interop-helper");
describe('finalize', function () {
    it('should call finalize after complete', function (done) {
        var completed = false;
        (0, rxjs_1.of)(1, 2, 3)
            .pipe((0, operators_1.finalize)(function () {
            (0, chai_1.expect)(completed).to.be.true;
            done();
        }))
            .subscribe({
            complete: function () {
                completed = true;
            },
        });
    });
    it('should call finalize after error', function (done) {
        var thrown = false;
        (0, rxjs_1.of)(1, 2, 3)
            .pipe((0, operators_1.map)(function (x) {
            if (x === 3) {
                throw x;
            }
            return x;
        }), (0, operators_1.finalize)(function () {
            (0, chai_1.expect)(thrown).to.be.true;
            done();
        }))
            .subscribe({
            error: function () {
                thrown = true;
            },
        });
    });
    it('should call finalize upon disposal', function (done) {
        var disposed = false;
        var subscription = (0, rxjs_1.timer)(100)
            .pipe((0, operators_1.finalize)(function () {
            (0, chai_1.expect)(disposed).to.be.true;
            done();
        }))
            .subscribe();
        disposed = true;
        subscription.unsubscribe();
    });
    it('should call finalize when synchronously subscribing to and unsubscribing from a shared Observable', function (done) {
        (0, rxjs_1.interval)(50).pipe((0, operators_1.finalize)(done), (0, operators_1.share)()).subscribe().unsubscribe();
    });
    it('should call two finalize instances in succession on a shared Observable', function (done) {
        var invoked = 0;
        function checkFinally() {
            invoked += 1;
            if (invoked === 2) {
                done();
            }
        }
        (0, rxjs_1.of)(1, 2, 3).pipe((0, operators_1.finalize)(checkFinally), (0, operators_1.finalize)(checkFinally), (0, operators_1.share)()).subscribe();
    });
    it('should handle empty', function () {
        var testScheduler = new testing_1.TestScheduler(observableMatcher_1.observableMatcher);
        testScheduler.run(function (_a) {
            var hot = _a.hot, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var executed = false;
            var e1 = hot('  |   ');
            var e1subs = '  (^!)';
            var expected = '|   ';
            var result = e1.pipe((0, operators_1.finalize)(function () { return (executed = true); }));
            expectObservable(result).toBe(expected);
            expectSubscriptions(e1.subscriptions).toBe(e1subs);
            testScheduler.flush();
            (0, chai_1.expect)(executed).to.be.true;
        });
    });
    it('should handle never', function () {
        var testScheduler = new testing_1.TestScheduler(observableMatcher_1.observableMatcher);
        testScheduler.run(function (_a) {
            var hot = _a.hot, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var executed = false;
            var e1 = hot('  -');
            var e1subs = '  ^';
            var expected = '-';
            var result = e1.pipe((0, operators_1.finalize)(function () { return (executed = true); }));
            expectObservable(result).toBe(expected);
            expectSubscriptions(e1.subscriptions).toBe(e1subs);
            testScheduler.flush();
            (0, chai_1.expect)(executed).to.be.false;
        });
    });
    it('should handle throw', function () {
        var testScheduler = new testing_1.TestScheduler(observableMatcher_1.observableMatcher);
        testScheduler.run(function (_a) {
            var hot = _a.hot, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var executed = false;
            var e1 = hot('  #   ');
            var e1subs = '  (^!)';
            var expected = '#   ';
            var result = e1.pipe((0, operators_1.finalize)(function () { return (executed = true); }));
            expectObservable(result).toBe(expected);
            expectSubscriptions(e1.subscriptions).toBe(e1subs);
            testScheduler.flush();
            (0, chai_1.expect)(executed).to.be.true;
        });
    });
    it('should handle basic hot observable', function () {
        var testScheduler = new testing_1.TestScheduler(observableMatcher_1.observableMatcher);
        testScheduler.run(function (_a) {
            var hot = _a.hot, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var executed = false;
            var e1 = hot('  --a--b--c--|');
            var e1subs = '  ^----------!';
            var expected = '--a--b--c--|';
            var result = e1.pipe((0, operators_1.finalize)(function () { return (executed = true); }));
            expectObservable(result).toBe(expected);
            expectSubscriptions(e1.subscriptions).toBe(e1subs);
            testScheduler.flush();
            (0, chai_1.expect)(executed).to.be.true;
        });
    });
    it('should handle basic cold observable', function () {
        var testScheduler = new testing_1.TestScheduler(observableMatcher_1.observableMatcher);
        testScheduler.run(function (_a) {
            var cold = _a.cold, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var executed = false;
            var e1 = cold(' --a--b--c--|');
            var e1subs = '  ^----------!';
            var expected = '--a--b--c--|';
            var result = e1.pipe((0, operators_1.finalize)(function () { return (executed = true); }));
            expectObservable(result).toBe(expected);
            expectSubscriptions(e1.subscriptions).toBe(e1subs);
            testScheduler.flush();
            (0, chai_1.expect)(executed).to.be.true;
        });
    });
    it('should handle basic error', function () {
        var testScheduler = new testing_1.TestScheduler(observableMatcher_1.observableMatcher);
        testScheduler.run(function (_a) {
            var hot = _a.hot, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var executed = false;
            var e1 = hot('  --a--b--c--#');
            var e1subs = '  ^----------!';
            var expected = '--a--b--c--#';
            var result = e1.pipe((0, operators_1.finalize)(function () { return (executed = true); }));
            expectObservable(result).toBe(expected);
            expectSubscriptions(e1.subscriptions).toBe(e1subs);
            testScheduler.flush();
            (0, chai_1.expect)(executed).to.be.true;
        });
    });
    it('should handle unsubscription', function () {
        var testScheduler = new testing_1.TestScheduler(observableMatcher_1.observableMatcher);
        testScheduler.run(function (_a) {
            var hot = _a.hot, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var executed = false;
            var e1 = hot('  --a--b--c--|');
            var e1subs = '  ^-----!     ';
            var expected = '--a--b-';
            var unsub = '   ------!';
            var result = e1.pipe((0, operators_1.finalize)(function () { return (executed = true); }));
            expectObservable(result, unsub).toBe(expected);
            expectSubscriptions(e1.subscriptions).toBe(e1subs);
            testScheduler.flush();
            (0, chai_1.expect)(executed).to.be.true;
        });
    });
    it('should handle interop source observables', function () {
        var finalized = false;
        var subscription = (0, interop_helper_1.asInteropObservable)(rxjs_1.NEVER)
            .pipe((0, operators_1.finalize)(function () { return (finalized = true); }))
            .subscribe();
        subscription.unsubscribe();
        (0, chai_1.expect)(finalized).to.be.true;
    });
    it('should finalize sources before sinks', function () {
        var finalized = [];
        (0, rxjs_1.of)(42)
            .pipe((0, operators_1.finalize)(function () { return finalized.push('source'); }), (0, operators_1.finalize)(function () { return finalized.push('sink'); }))
            .subscribe();
        (0, chai_1.expect)(finalized).to.deep.equal(['source', 'sink']);
    });
    it('should finalize after the finalization', function () {
        var order = [];
        var source = new rxjs_1.Observable(function () {
            return function () { return order.push('finalizer'); };
        });
        var subscription = source.pipe((0, operators_1.finalize)(function () { return order.push('finalize'); })).subscribe();
        subscription.unsubscribe();
        (0, chai_1.expect)(order).to.deep.equal(['finalizer', 'finalize']);
    });
    it('should finalize after the finalizer with synchronous completion', function () {
        var order = [];
        var source = new rxjs_1.Observable(function (subscriber) {
            subscriber.complete();
            return function () { return order.push('finalizer'); };
        });
        source.pipe((0, operators_1.finalize)(function () { return order.push('finalize'); })).subscribe();
        (0, chai_1.expect)(order).to.deep.equal(['finalizer', 'finalize']);
    });
    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.finalize)(function () {
        }), (0, operators_1.take)(3))
            .subscribe(function () {
        });
        (0, chai_1.expect)(sideEffects).to.deep.equal([0, 1, 2]);
    });
    it('should execute finalize even with a sync thrown error', function () {
        var called = false;
        var badObservable = new rxjs_1.Observable(function () {
            throw new Error('bad');
        }).pipe((0, operators_1.finalize)(function () {
            called = true;
        }));
        badObservable.subscribe({
            error: rxjs_1.noop,
        });
        (0, chai_1.expect)(called).to.be.true;
    });
    it('should execute finalize in order even with a sync error', function () {
        var results = [];
        var badObservable = new rxjs_1.Observable(function (subscriber) {
            subscriber.error(new Error('bad'));
        }).pipe((0, operators_1.finalize)(function () {
            results.push(1);
        }), (0, operators_1.finalize)(function () {
            results.push(2);
        }));
        badObservable.subscribe({
            error: rxjs_1.noop,
        });
        (0, chai_1.expect)(results).to.deep.equal([1, 2]);
    });
    it('should execute finalize in order even with a sync thrown error', function () {
        var results = [];
        var badObservable = new rxjs_1.Observable(function () {
            throw new Error('bad');
        }).pipe((0, operators_1.finalize)(function () {
            results.push(1);
        }), (0, operators_1.finalize)(function () {
            results.push(2);
        }));
        badObservable.subscribe({
            error: rxjs_1.noop,
        });
        (0, chai_1.expect)(results).to.deep.equal([1, 2]);
    });
    it('should finalize in the proper order', function () {
        var results = [];
        (0, rxjs_1.of)(1)
            .pipe((0, operators_1.finalize)(function () { return results.push(1); }), (0, operators_1.finalize)(function () { return results.push(2); }), (0, operators_1.finalize)(function () { return results.push(3); }), (0, operators_1.finalize)(function () { return results.push(4); }))
            .subscribe();
        (0, chai_1.expect)(results).to.deep.equal([1, 2, 3, 4]);
    });
});
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