test.js

"use strict";

const test = require("ava");
const time = require(".");

const s = "21 Jully 1969 02:56 UTC";
const d = new Date(s);

test("date", (t) => {
  t.is(time.date(), time.date(new Date()));
  t.is(time.date(d), "1969-07-21");
  t.is(time.date(s), "1969-07-21");
});

test("time", (t) => {
  t.is(time.time(), time.time(new Date()));
  t.is(time.time(d), "02:56:00Z");
  t.is(time.time(s), "02:56:00Z");
});

test("datetime", (t) => {
  t.is(time.datetime(), time.datetime(new Date()));
  t.is(time.datetime(d), "1969-07-21T02:56:00Z");
  t.is(time.datetime(s), "1969-07-21T02:56:00Z");
});

function fake(value) {
  return {
    getTimezoneOffset() {
      return value;
    },
  };
}

test("offset", (t) => {
  t.is(time.offset(fake(120)), "-02:00");
  t.is(time.offset(fake(-120)), "+02:00");
  t.is(time.offset(fake(90)), "-01:30");
  t.is(time.offset(fake(-90)), "+01:30");
});