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import {compose} from './compose'import {prop} from './prop'import {sortBy} from './sortBy'import {toLower} from './toLower'
test('happy', () => {  const input = [{a: 2}, {a: 1}, {a: 1}, {a: 3}]  const expected = [{a: 1}, {a: 1}, {a: 2}, {a: 3}]
  const result = sortBy(x => x.a)(input)  expect(result).toEqual(expected)})
test('with compose', () => {  const alice = {    name: 'ALICE',    age: 101,  }  const bob = {    name: 'Bob',    age: -10,  }  const clara = {    name: 'clara',    age: 314.159,  }  const people = [clara, bob, alice]  const sortByNameCaseInsensitive = sortBy(compose(toLower, prop('name')))
  expect(sortByNameCaseInsensitive(people)).toEqual([alice, bob, clara])})