@stewartmac/lotide/test/headTest.js

Modular collection of functions that operate on data, namely Arrays and Objects.

const assert = require('chai').assert;
const head = require('../head');

describe("#head", () => {
  it("should return 1 for [1,2,3]", () => {
    assert.strictEqual(head([1,2,3]), 1);
  });

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

  it("should returns undefined for []", () => {
    assert.isUndefined(head([]));
  });
  
});