import ansiHTML from 'ansi-html' import { Utils } from '..' describe('utils', () => { test('encodeHtml', () => { const html = '

Hello

' expect(Utils.encodeHtml(html)).toBe('<h1>Hello</h1>') }) test('getContext', () => { let ctx = Utils.getContext({ a: 1 }, { b: 2 }) expect(Utils.getContext.length).toBe(2) expect(typeof ctx.req).toBe('object') expect(typeof ctx.res).toBe('object') expect(ctx.req.a).toBe(1) expect(ctx.res.b).toBe(2) }) test('setAnsiColors', () => { Utils.setAnsiColors(ansiHTML) }) test('waitFor', async () => { let s = Date.now() await Utils.waitFor(100) expect(Date.now() - s >= 100).toBe(true) await Utils.waitFor() }) test('timeout (promise)', async () => { const result = await Utils.timeout(Promise.resolve('time not run out'), 100) expect(result).toBe('time not run out') }) test('timeout (async function)', async () => { const result = await Utils.timeout(async () => { await Utils.waitFor(10) return 'time not run out' }, 100) expect(result).toBe('time not run out') }) test('timeout (timeout in 100ms)', async () => { const timeout = Utils.timeout(Utils.waitFor(200), 100, 'timeout test 100ms') await expect(timeout).rejects.toThrow('timeout test 100ms') }) test('timeout (async timeout in 100ms)', async () => { const timeout = Utils.timeout(async () => { await Utils.waitFor(500) }, 100, 'timeout test 100ms') await expect(timeout).rejects.toThrow('timeout test 100ms') }) test('urlJoin', () => { expect(Utils.urlJoin('test', '/about')).toBe('test/about') }) test('promisifyRoute (array)', () => { const array = [1] const promise = Utils.promisifyRoute(array) expect(typeof promise).toBe('object') return promise.then(res => { expect(res).toBe(array) }) }) test('promisifyRoute (fn => array)', () => { const array = [1, 2] const fn = function () { return array } const promise = Utils.promisifyRoute(fn) expect(typeof promise).toBe('object') return promise.then(res => { expect(res).toBe(array) }) }) test('promisifyRoute (fn => promise)', () => { const array = [1, 2, 3] const fn = function () { return new Promise(resolve => { resolve(array) }) } const promise = Utils.promisifyRoute(fn) expect(typeof promise).toBe('object') return promise.then(res => { expect(res).toBe(array) }) }) test('promisifyRoute ((fn(args) => promise))', () => { const fn = function (array) { return new Promise(resolve => { resolve(array) }) } const array = [1, 2, 3] const promise = Utils.promisifyRoute(fn, array) expect(typeof promise).toBe('object') return promise.then(res => { expect(res).toBe(array) }) }) test('promisifyRoute (fn(cb) with error)', () => { const fn = function (cb) { cb(new Error('Error here')) } const promise = Utils.promisifyRoute(fn) expect(typeof promise).toBe('object') return promise.catch(e => { expect(e.message).toBe('Error here') }) }) test('promisifyRoute (fn(cb, args) with error)', () => { const fn = function (cb, array) { cb(new Error('Error here: ' + array.join())) } const array = [1, 2, 3, 4] const promise = Utils.promisifyRoute(fn, array) expect(typeof promise).toBe('object') return promise.catch(e => { expect(e.message).toBe('Error here: ' + array.join()) }) }) test('promisifyRoute (fn(cb) with result)', () => { const array = [1, 2, 3, 4] const fn = function (cb) { cb(null, array) } const promise = Utils.promisifyRoute(fn) expect(typeof promise).toBe('object') return promise.then(res => { expect(res).toBe(array) }) }) test('promisifyRoute (fn(cb, args) with result)', () => { const fn = function (cb, array, object) { cb(null, { array, object }) } const array = [1, 2, 3, 4] const object = { a: 1 } const promise = Utils.promisifyRoute(fn, array, object) expect(typeof promise).toBe('object') return promise.then(res => { expect(res.array).toBe(array) expect(res.object).toBe(object) }) }) test('chainFn (mutate, mutate)', () => { // Pass more than one argument to test that they're actually taken into account const firstFn = function (obj, count) { obj.foo = count + 1 } const secondFn = function (obj, count) { obj.bar = count + 2 } const chainedFn = Utils.chainFn(firstFn, secondFn) expect(chainedFn({}, 10)).toEqual({ foo: 11, bar: 12 }) }) test('chainFn (mutate, return)', () => { const firstFn = function (obj, count) { obj.foo = count + 1 } const secondFn = function (obj, count) { return Object.assign({}, obj, { bar: count + 2 }) } const chainedFn = Utils.chainFn(firstFn, secondFn) expect(chainedFn({}, 10)).toEqual({ foo: 11, bar: 12 }) }) test('chainFn (return, mutate)', () => { const firstFn = function (obj, count) { return Object.assign({}, obj, { foo: count + 1 }) } const secondFn = function (obj, count) { obj.bar = count + 2 } const chainedFn = Utils.chainFn(firstFn, secondFn) expect(chainedFn({}, 10)).toEqual({ foo: 11, bar: 12 }) }) test('chainFn (return, return)', () => { const firstFn = function (obj, count) { return Object.assign({}, obj, { foo: count + 1 }) } const secondFn = function (obj, count) { return Object.assign({}, obj, { bar: count + 2 }) } const chainedFn = Utils.chainFn(firstFn, secondFn) expect(chainedFn({}, 10)).toEqual({ foo: 11, bar: 12 }) }) })