promise-results/test/assumptions.js

Promise all results of a collection of promises whether they are resolved OR rejected.

describe("Assumptions", function() {
  it("Chai validates valid promised array", function() {
    return new Promise(function(r) {
      setImmediate(function(){
        r([2, 3, 4]);
      });
    }).should.eventually.eql([2, 3, 4]);
  });
  it("Chai validates wrong promised array", function() {
    return new Promise(function(r) {
      setImmediate(function(){
        r([2, 3, 4]);
      });
    }).should.eventually.not.eql([2, 3, 5]);
  });
  it("Chai validates a valid promised object", function() {
    return new Promise(function(r) {
      setImmediate(function(){
        r({a: 2, b: 3});
      });
    }).should.eventually.eql({a: 2, b: 3});
  });
  it("Chai validates a wrong promised object", function() {
    return new Promise(function(r) {
      setImmediate(function(){
        r({a: 2, b: 3});
      });
    }).should.eventually.not.eql({a: 2, b: 4});
  });
  it("Chai validates an empty array of promises", function() {
    return Promise.all([]).should.eventually.eql([]);
  });
  it("Chai validates an array of promises", function() {
    return Promise.all([2, 34]).should.eventually.eql([2, 34]);
  });
  it("Chai validates an array of values", function() {
    return Promise.all([
      Promise.resolve(2),
      Promise.resolve(34)
    ]).should.eventually.eql([2, 34]);
  });
  it("Chai validates a Promises/A promise", function() {
    return Promise.all([
      Promise.resolve(2),
      {then: function (s) {
        s(34);
      }}
    ]).should.eventually.eql([2, 34]);
  });
  it("Chai validates rejections", function() {
    return new Promise(function(s, e) {
      setImmediate(function(){
        e(new Error("nope"));
      });
    }).should.eventually.be.rejectedWith(Error);
  });
});