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x/rambda/props.spec.js

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import { props } from './props'
const obj = { a : 1, b : 2,}const propsToPick = [ 'a', 'c' ]
test('happy', () => { const result = props(propsToPick, obj) expect(result).toEqual([ 1, undefined ])})
test('curried', () => { const result = props(propsToPick)(obj) expect(result).toEqual([ 1, undefined ])})
test('wrong input', () => { expect(() => props(null)(obj)).toThrow()})