fn-cases

A simple way to test your JavaScript functions.

Installation

npm i fn-cases

Easy to use!

Test your expected output

const fnCases = require('fn-cases')

const passed = (parameter) => parameter * 2

fnCases([
    [passed(2), 4]
])

Expected output

const fail = (parameter) => parameter + 1

fnCases([
    [fail(1), 3],
    [fail(2), 3],
    [fail(4), 6]
])

Expected output

const even = (n) => n % 2 === 0

const boolean = fnCases([
    [even(2), true],
    [even(6), true]
], true)

if (boolean) return console.log('Test passed, continue the program...')

Expected output