@nknahom/lotide/test/headTest.js

Lotide is mini clone of the Lodash (https://lodash.com) library for learning JavaScript. What is Lodash? Lodash is a library that makes JavaScript easier by taking the hassle out of working with arrays, numbers, objects, strings, etc.

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 '5' for ['5']", () => {
    assert.strictEqual(head(["5"]), "5");
  });
});