axax/esnext/__tests__/combineLatest.test.js

A library of async iterator extensions for JavaScript including ```map```, ```reduce```, ```filter```, ```flatMap```, ```pipe``` and [more](https://github.com/jamiemccrindle/axax/blob/master/docs/API.md#functions).

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const combineLatest_1 = require("../combineLatest");
const subject_1 = require("../subject");
const toArray_1 = require("../toArray");
test("combineLatest", async () => {
    const subjects = [
        new subject_1.Subject(),
        new subject_1.Subject(),
        new subject_1.Subject(),
    ];
    const combined = combineLatest_1.combineLatest(...subjects.map(s => s.iterator));
    subjects[0].onNext(1);
    subjects[1].onNext(2);
    subjects[2].onNext(3);
    subjects[0].onCompleted();
    subjects[1].onCompleted();
    subjects[2].onCompleted();
    const result = (await toArray_1.toArray(combined)).sort();
    expect(result).toEqual([[1, 2, 3]]);
});
test("combineLatest not enough values", async () => {
    const subjects = [
        new subject_1.Subject(),
        new subject_1.Subject(),
        new subject_1.Subject(),
    ];
    const combined = combineLatest_1.combineLatest(...subjects.map(s => s.iterator));
    subjects[1].onNext(2);
    subjects[2].onNext(3);
    subjects[0].onCompleted();
    subjects[1].onCompleted();
    subjects[2].onCompleted();
    const result = (await toArray_1.toArray(combined)).sort();
    expect(result).toEqual([]);
});