@rahmatsaeedi/lotide/test/headTest.js

A light-weight, simplified, & minified version of Lodash library

// jshint esversion: 6
const assert = require('chai').assert;
const head   = require('../head');
describe("#head", () => {
  it("returns 1 for [1, 2, 3]", () => {
    assert.strictEqual(head([1, 2, 3]), 1);
  });
  it("returns 'Hello' for ['Hello', 'Lighthouse', 'Labs']", () => {
    assert.strictEqual(head(["Hello", "Lighthouse", "Labs"]), "Hello");
  });
  it("returns 'undefined' for []", () => {
    assert.strictEqual(head([]) , undefined);
  });
});