batman's test

import { JSDOM } from 'jsdom'
import { setCookie, getCookie, removeCookie, allowedCookieDomain } from '../cookies'

describe('Cookies', () => {
  beforeEach(() => {
    const jsd = new JSDOM("<html><title>batman's test</title></html>", {
      url: 'https://test.koala.live'
    })

    global.window = jsd.window as unknown as Window & typeof globalThis
    global.document = jsd.window.document
    global.location = jsd.window.location
  })

  test('can set cookies', () => {
    setCookie('test', 'test')
    expect(getCookie('test')).toEqual('test')
  })

  test('can remove cookies', () => {
    setCookie('test', 'test')
    removeCookie('test')
    expect(getCookie('test')).toEqual(undefined)
  })

  describe('Supports configuring the domain', () => {
    test('works when it is the same domain', () => {
      setCookie('test', 'test', { domain: 'test.koala.live' })
      expect(getCookie('test')).toEqual('test')
    })

    test('works when it is top level domain', () => {
      setCookie('test', 'test', { domain: 'koala.live' })
      expect(getCookie('test')).toEqual('test')
    })

    test('does not work in different variations of the domain', () => {
      // different subdomain
      setCookie('test', 'test', { domain: 'dev.koala.live' })
      expect(getCookie('test')).toBeUndefined()

      // different subdomain
      setCookie('test', 'test', { domain: 'www.koala.live' })
      expect(getCookie('test')).toBeUndefined()

      // top level domain
      setCookie('test', 'test', { domain: 'koala.live' })
      expect(getCookie('test')).toEqual('test')
    })

    test('does not work in different domains', () => {
      setCookie('test', 'test', { domain: 'getkoala.com' })
      expect(getCookie('test')).toBeUndefined()
    })

    test('invalid domain detection', () => {
      setCookie('test', 'test', { domain: 'test.koala.live/banana' })
      expect(getCookie('test')).toEqual('test')
    })
  })
})

describe('Domain validation', () => {
  test('validates when the domain is the same', () => {
    expect(allowedCookieDomain('dev.koala.live', 'dev.koala.live')).toEqual(true)
  })

  test('should not be valid when provided domain is a sub domain', () => {
    expect(allowedCookieDomain('koala.live', 'dev.koala.live')).toEqual(false)
  })

  test('should accept the current host name', () => {
    // the current host name is test.koala.live
    expect(allowedCookieDomain('koala.live', 'test.koala.live')).toEqual(true)
    expect(allowedCookieDomain('koala.live', 'dev.koala.live')).toEqual(false)
  })
})