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Edit File: every-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('every', function () {
    var testScheduler;
    beforeEach(function () {
        testScheduler = new testing_1.TestScheduler(observableMatcher_1.observableMatcher);
    });
    function truePredicate(x) {
        return true;
    }
    function predicate(x) {
        return +x % 5 === 0;
    }
    it('should return false if only one of elements does not match with predicate', function () {
        testScheduler.run(function (_a) {
            var hot = _a.hot, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var values = { a: 5, b: 10, c: 15, d: 18, e: 20 };
            var e1 = hot('  --a--b--c--d--e--|', values);
            var e1subs = '  ^----------!      ';
            var expected = '-----------(x|)   ';
            expectObservable(e1.pipe((0, operators_1.every)(predicate))).toBe(expected, { x: false });
            expectSubscriptions(e1.subscriptions).toBe(e1subs);
        });
    });
    it('should accept thisArg with scalar observables', function () {
        var thisArg = {};
        (0, rxjs_1.of)(1)
            .pipe((0, operators_1.every)(function (value, index) {
            (0, chai_1.expect)(this).to.deep.equal(thisArg);
            return true;
        }, thisArg))
            .subscribe();
    });
    it('should increment index on each call to the predicate', function () {
        var indices = [];
        (0, rxjs_1.of)(1, 2, 3, 4)
            .pipe((0, operators_1.every)(function (_, i) {
            indices.push(i);
            return true;
        }))
            .subscribe();
        (0, chai_1.expect)(indices).to.deep.equal([0, 1, 2, 3]);
    });
    it('should accept thisArg with array observable', function () {
        var thisArg = {};
        (0, rxjs_1.of)(1, 2, 3, 4)
            .pipe((0, operators_1.every)(function (value, index) {
            (0, chai_1.expect)(this).to.deep.equal(thisArg);
            return true;
        }, thisArg))
            .subscribe();
    });
    it('should accept thisArg with ordinary observable', function () {
        var thisArg = {};
        var source = new rxjs_1.Observable(function (observer) {
            observer.next(1);
            observer.complete();
        });
        source
            .pipe((0, operators_1.every)(function (value, index) {
            (0, chai_1.expect)(this).to.deep.equal(thisArg);
            return true;
        }, thisArg))
            .subscribe();
    });
    it('should emit true if 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 = '-----(x|)';
            expectObservable(e1.pipe((0, operators_1.every)(predicate))).toBe(expected, { x: true });
            expectSubscriptions(e1.subscriptions).toBe(e1subs);
        });
    });
    it('should emit false if single source element does not match with predicate', function () {
        testScheduler.run(function (_a) {
            var hot = _a.hot, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var e1 = hot('  --a--|');
            var e1subs = '  ^-!   ';
            var expected = '--(x|)';
            expectObservable(e1.pipe((0, operators_1.every)(predicate))).toBe(expected, { x: false });
            expectSubscriptions(e1.subscriptions).toBe(e1subs);
        });
    });
    it('should emit false if none of elements match with predicate', function () {
        testScheduler.run(function (_a) {
            var hot = _a.hot, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var e1 = hot('  --a--b--c--d--e--|');
            var e1subs = '  ^-!               ';
            var expected = '--(x|)            ';
            expectObservable(e1.pipe((0, operators_1.every)(predicate))).toBe(expected, { x: false });
            expectSubscriptions(e1.subscriptions).toBe(e1subs);
        });
    });
    it('should return false if only some of elements matches with predicate', function () {
        testScheduler.run(function (_a) {
            var hot = _a.hot, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var values = { a: 5, b: 10, c: 15 };
            var e1 = hot('  --a--b--c--d--e--|', values);
            var e1subs = '  ^----------!      ';
            var expected = '-----------(x|)   ';
            expectObservable(e1.pipe((0, operators_1.every)(predicate))).toBe(expected, { x: false });
            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 values = { a: 5, b: 10, c: 15 };
            var e1 = hot('  --a--b--c--d--e--|', values);
            var e1subs = '  ^------!          ';
            var expected = '--------          ';
            var unsub = '   -------!          ';
            var result = e1.pipe((0, operators_1.every)(predicate));
            expectObservable(result, unsub).toBe(expected);
            expectSubscriptions(e1.subscriptions).toBe(e1subs);
        });
    });
    it('should not break unsubscription chains when result observable is unsubscribed', function () {
        testScheduler.run(function (_a) {
            var hot = _a.hot, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var values = { a: 5, b: 10, c: 15 };
            var e1 = hot('  --a--b--c--d--e--|', values);
            var e1subs = '  ^------!          ';
            var expected = '--------          ';
            var unsub = '   -------!          ';
            var result = e1.pipe((0, operators_1.mergeMap)(function (x) { return (0, rxjs_1.of)(x); }), (0, operators_1.every)(predicate), (0, operators_1.mergeMap)(function (x) { return (0, rxjs_1.of)(x); }));
            expectObservable(result, unsub).toBe(expected);
            expectSubscriptions(e1.subscriptions).toBe(e1subs);
        });
    });
    it('should propagate error if predicate eventually throws', function () {
        testScheduler.run(function (_a) {
            var hot = _a.hot, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var e1 = hot('  --a--b--c--d--e--|');
            var e1subs = '  ^-------!';
            var expected = '--------#';
            function faultyPredicate(x) {
                if (x === 'c') {
                    throw 'error';
                }
                else {
                    return true;
                }
            }
            expectObservable(e1.pipe((0, operators_1.every)(faultyPredicate))).toBe(expected);
            expectSubscriptions(e1.subscriptions).toBe(e1subs);
        });
    });
    it('should emit true if single source element matches with predicate', function () {
        testScheduler.run(function (_a) {
            var hot = _a.hot, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var values = { a: 5 };
            var e1 = hot('  --a--|   ', values);
            var e1subs = '  ^----!   ';
            var expected = '-----(x|)';
            expectObservable(e1.pipe((0, operators_1.every)(predicate))).toBe(expected, { x: true });
            expectSubscriptions(e1.subscriptions).toBe(e1subs);
        });
    });
    it('should emit true if scalar source matches with predicate', function () {
        testScheduler.run(function (_a) {
            var expectObservable = _a.expectObservable;
            var e1 = (0, rxjs_1.of)(5);
            var expected = '(x|)';
            expectObservable(e1.pipe((0, operators_1.every)(predicate))).toBe(expected, { x: true });
        });
    });
    it('should emit false if scalar source does not match with predicate', function () {
        testScheduler.run(function (_a) {
            var expectObservable = _a.expectObservable;
            var e1 = (0, rxjs_1.of)(3);
            var expected = '(x|)';
            expectObservable(e1.pipe((0, operators_1.every)(predicate))).toBe(expected, { x: false });
        });
    });
    it('should propagate error if predicate throws on scalar source', function () {
        testScheduler.run(function (_a) {
            var expectObservable = _a.expectObservable;
            var e1 = (0, rxjs_1.of)(3);
            var expected = '#';
            function faultyPredicate(x) {
                throw 'error';
            }
            expectObservable(e1.pipe((0, operators_1.every)(faultyPredicate))).toBe(expected);
        });
    });
    it('should emit true if scalar array source matches with predicate', function () {
        testScheduler.run(function (_a) {
            var expectObservable = _a.expectObservable;
            var e1 = (0, rxjs_1.of)(5, 10, 15, 20);
            var expected = '(x|)';
            expectObservable(e1.pipe((0, operators_1.every)(predicate))).toBe(expected, { x: true });
        });
    });
    it('should emit false if scalar array source does not match with predicate', function () {
        testScheduler.run(function (_a) {
            var expectObservable = _a.expectObservable;
            var e1 = (0, rxjs_1.of)(5, 9, 15, 20);
            var expected = '(x|)';
            expectObservable(e1.pipe((0, operators_1.every)(predicate))).toBe(expected, { x: false });
        });
    });
    it('should propagate error if predicate eventually throws on scalar array source', function () {
        testScheduler.run(function (_a) {
            var expectObservable = _a.expectObservable;
            var e1 = (0, rxjs_1.of)(5, 10, 15, 20);
            var expected = '#';
            function faultyPredicate(x) {
                if (x === 15) {
                    throw 'error';
                }
                return true;
            }
            expectObservable(e1.pipe((0, operators_1.every)(faultyPredicate))).toBe(expected);
        });
    });
    it('should emit true if all source elements match with predicate', function () {
        testScheduler.run(function (_a) {
            var hot = _a.hot, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var values = { a: 5, b: 10, c: 15, d: 20, e: 25 };
            var e1 = hot('  --a--b--c--d--e--|   ', values);
            var e1subs = '  ^----------------!   ';
            var expected = '-----------------(x|)';
            expectObservable(e1.pipe((0, operators_1.every)(predicate))).toBe(expected, { x: true });
            expectSubscriptions(e1.subscriptions).toBe(e1subs);
        });
    });
    it('should raise error if source raises error', 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.every)(truePredicate))).toBe(expected);
            expectSubscriptions(e1.subscriptions).toBe(e1subs);
        });
    });
    it('should not complete if source never emits', 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.every)(truePredicate))).toBe(expected);
            expectSubscriptions(e1.subscriptions).toBe(e1subs);
        });
    });
    it('should emit true if source element matches with predicate after subscription', function () {
        testScheduler.run(function (_a) {
            var hot = _a.hot, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var values = { a: 5, b: 10, c: 15, d: 20, e: 25 };
            var e1 = hot('--z--^--a--b--c--d--e--|   ', values);
            var e1subs = '     ^-----------------!   ';
            var expected = '   ------------------(x|)';
            expectObservable(e1.pipe((0, operators_1.every)(predicate))).toBe(expected, { x: true });
            expectSubscriptions(e1.subscriptions).toBe(e1subs);
        });
    });
    it('should emit false if source element does not match with predicate after subscription', function () {
        testScheduler.run(function (_a) {
            var hot = _a.hot, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var values = { a: 5, b: 10, c: 15, d: 20 };
            var e1 = hot('--z--^--b--c--z--d--|', values);
            var e1subs = '     ^--------!      ';
            var expected = '   ---------(x|)   ';
            expectObservable(e1.pipe((0, operators_1.every)(predicate))).toBe(expected, { x: false });
            expectSubscriptions(e1.subscriptions).toBe(e1subs);
        });
    });
    it('should raise error if source raises error after subscription', function () {
        testScheduler.run(function (_a) {
            var hot = _a.hot, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var e1 = hot('--z--^--#');
            var e1subs = '     ^--!';
            var expected = '   ---#';
            expectObservable(e1.pipe((0, operators_1.every)(truePredicate))).toBe(expected);
            expectSubscriptions(e1.subscriptions).toBe(e1subs);
        });
    });
    it('should emit true if source does not emit after subscription', function () {
        testScheduler.run(function (_a) {
            var hot = _a.hot, expectObservable = _a.expectObservable, expectSubscriptions = _a.expectSubscriptions;
            var e1 = hot('--z--^-----|   ');
            var e1subs = '     ^-----!   ';
            var expected = '   ------(x|)';
            expectObservable(e1.pipe((0, operators_1.every)(predicate))).toBe(expected, { x: true });
            expectSubscriptions(e1.subscriptions).toBe(e1subs);
        });
    });
});
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