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import {composeAsync} from './composeAsync'import {delay} from './delay'import {map} from './map'import {mapAsync} from './mapAsync'
const rejectDelay = a =>  new Promise((_, reject) => {    setTimeout(() => {      reject(a + 20)    }, 100)  })
test('happy', async () => {  const fn = async (x, prop) => {    await delay(100)    expect(prop).toBeNumber()
    return x + 1  }  const result = await mapAsync(fn, [1, 2, 3])  expect(result).toEqual([2, 3, 4])})
test('with object', async () => {  const fn = async (x, prop) => {    expect(prop).toBeString()
    return x + 1  }  const result = await mapAsync(fn, {    a: 1,    b: 2,  })  expect(result).toEqual({    a: 2,    b: 3,  })})
test('with R.composeAsync', async () => {  const result = await composeAsync(    map(x => x + 1),    mapAsync(async x => {      delay(x)
      return x    }),    map(x => x * 10)  )([1, 2, 3])  expect(result).toEqual([11, 21, 31])})
test('error', async () => {  try {    await mapAsync(rejectDelay)([1, 2, 3])  } catch (err) {    expect(err).toBe(21)  }})