@reactivex/rxjs/spec-js/observables/pairs-spec.js

Reactive Extensions for modern JavaScript

"use strict";
var chai_1 = require('chai');
var Rx = require('../../dist/cjs/Rx');
var Observable = Rx.Observable;
describe('Observable.pairs', function () {
    asDiagram('pairs({a: 1, b:2})')('should create an observable emits key-value pair', function () {
        var e1 = Observable.pairs({ a: 1, b: 2 }, rxTestScheduler);
        var expected = '(ab|)';
        var values = {
            a: ['a', 1],
            b: ['b', 2]
        };
        expectObservable(e1).toBe(expected, values);
    });
    it('should create an observable without scheduler', function (done) {
        var expected = [
            ['a', 1],
            ['b', 2],
            ['c', 3]
        ];
        Observable.pairs({ a: 1, b: 2, c: 3 }).subscribe(function (x) {
            chai_1.expect(x).to.deep.equal(expected.shift());
        }, function (x) {
            done(new Error('should not be called'));
        }, function () {
            chai_1.expect(expected).to.be.empty;
            done();
        });
    });
    it('should work with empty object', function () {
        var e1 = Observable.pairs({}, rxTestScheduler);
        var expected = '|';
        expectObservable(e1).toBe(expected);
    });
});
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