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x/rambda/source/mapKeys.spec.js

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selfrefactor/rambda
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import {mapKeys} from './mapKeys'
const obj = {  a: 1,  b: 2,}const changeKeyFn = prop => `${prop}_foo`const expected = {  a_foo: 1,  b_foo: 2,}
test('happy', () => {  const result = mapKeys(changeKeyFn, obj)
  expect(result).toEqual(expected)})
test('curried', () => {  const result = mapKeys(changeKeyFn)(obj)
  expect(result).toEqual(expected)})