lib.test.js

const a = require('assert')

const { encodings } = require("./lib");

const RED = 31
const GREEN = 32
const RESET = '\u001b[39m\u001b[49m'

test("URL encoding - match", () => {
  a(encodings.url.match("foo%20bar"))
  a(!encodings.url.match("foobar"))
  a(!encodings.url.match("foo%bar"))
  a(!encodings.url.match("foo%%bar"))
})
test("URL encoding - decode", () => {
  a(encodings.url.decode("foo%20bar") === "foo bar")
})

test("base64 encoding - match", () => {
  a(encodings.base64.match("Zm9vIGJhcg=="))
  a(!encodings.base64.match("Zm9vIGJhcg="))
})

test("base64 encoding - decode", () => {
  a(encodings.base64.decode("Zm9vIGJhcg==") === "foo bar")
})

const jwt1 = "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpYXQiOjE1MTYyMzkwMjJ9.tbDepxpstvGdW8TC3G8zg4B6rUYAOvfzdceoH48wgRQ"
test("JWT encoding - match", () => {
  a(encodings.jwt.match(jwt1))
})

test("JWT encoding - decode", () => {
  const decoded = encodings.jwt.decode(jwt1)
  a.deepEqual(decoded, {
  "header": {
    "alg": "HS256",
    "typ": "JWT"
  },
  "payload": {
    "iat": 1516239022
  },
  "signature": "tbDepxpstvGdW8TC3G8zg4B6rUYAOvfzdceoH48wgRQ"
})
})

function test(name, fn) {
  try {
    fn()
    greenFirst('PASS', name)
  } catch (ex) {
    redFirst('FAIL', name, ex)
  }
}

function greenFirst(text, ...rest) {
  console.log(`\u001b[${GREEN}m${text}\u001b${RESET}`, ...rest)
}
function redFirst(text, ...rest) {
  console.log(`\u001b[${RED}m${text}\u001b${RESET}`, ...rest)
}