Demonstrates how chai-as-promised will correctly handle uncaught errors

Uncaught errors with chai-as-promised.js

// Setup: npm install mocha chai chai-as-promised
// Run: node node_modules/mocha/bin/mocha

const chai = require("chai");
const chaiAsPromised = require("chai-as-promised");
const mocha = require("mocha");

chai.use(chaiAsPromised);

const expect = chai.expect;

// Sample model test.
describe("Promises", function () {
    it("should resolve using chai-as-promised", function () {
        return expect(Promise.resolve("foo")).to.eventually.equal("foo");
    });

    it("this will throw", function () {
        const promise = new Promise(() => {
            setTimeout(
                () => {
                    throw new Error("var self = this;");
                },
                1000);
        });

        return expect(promise).to.eventually.be.fulfilled;
    });
});