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import { applySpec as applySpecRamda, nAry } from 'ramda'
import {  add,  always,  compose,  dec,  inc,  map,  path,  prop,  T,} from '../rambda.js'import { applySpec } from './applySpec.js'
test('different than Ramda when bad spec', () => {  const result = applySpec({ sum : { a : 1 } })(1, 2)  const ramdaResult = applySpecRamda({ sum : { a : 1 } })(1, 2)  expect(result).toEqual({})  expect(ramdaResult).toEqual({ sum : { a : {} } })})
test('works with empty spec', () => {  expect(applySpec({})()).toEqual({})  expect(applySpec([])(1, 2)).toEqual({})  expect(applySpec(null)(1, 2)).toEqual({})})
test('works with unary functions', () => {  const result = applySpec({    v : inc,    u : dec,  })(1)  const expected = {    v : 2,    u : 0,  }  expect(result).toEqual(expected)})
test('works with binary functions', () => {  const result = applySpec({ sum : add })(1, 2)  expect(result).toEqual({ sum : 3 })})
test('works with nested specs', () => {  const result = applySpec({    unnested : always(0),    nested   : { sum : add },  })(1, 2)  const expected = {    unnested : 0,    nested   : { sum : 3 },  }  expect(result).toEqual(expected)})
test('works with arrays of nested specs', () => {  const result = applySpec({    unnested : always(0),    nested   : [ { sum : add } ],  })(1, 2)
  expect(result).toEqual({    unnested : 0,    nested   : [ { sum : 3 } ],  })})
test('works with arrays of spec objects', () => {  const result = applySpec([ { sum : add } ])(1, 2)
  expect(result).toEqual([ { sum : 3 } ])})
test('works with arrays of functions', () => {  const result = applySpec([ map(prop('a')), map(prop('b')) ])([    {      a : 'a1',      b : 'b1',    },    {      a : 'a2',      b : 'b2',    },  ])  const expected = [    [ 'a1', 'a2' ],    [ 'b1', 'b2' ],  ]  expect(result).toEqual(expected)})
test('works with a spec defining a map key', () => {  expect(applySpec({ map : prop('a') })({ a : 1 })).toEqual({ map : 1 })})
test('cannot retains the highest arity', () => {  const f = applySpec({    f1 : nAry(2, T),    f2 : nAry(5, T),  })  const fRamda = applySpecRamda({    f1 : nAry(2, T),    f2 : nAry(5, T),  })  expect(f).toHaveLength(0)  expect(fRamda).toHaveLength(5)})
test('returns a curried function', () => {  expect(applySpec({ sum : add })(1)(2)).toEqual({ sum : 3 })})
// Additional tests// ============================================test('arity', () => {  const spec = {    one   : x1 => x1,    two   : (x1, x2) => x1 + x2,    three : (      x1, x2, x3    ) => x1 + x2 + x3,  }  expect(applySpec(    spec, 1, 2, 3  )).toEqual({    one   : 1,    two   : 3,    three : 6,  })})
test('arity over 5 arguments', () => {  const spec = {    one   : x1 => x1,    two   : (x1, x2) => x1 + x2,    three : (      x1, x2, x3    ) => x1 + x2 + x3,    four : (      x1, x2, x3, x4    ) => x1 + x2 + x3 + x4,    five : (      x1, x2, x3, x4, x5    ) => x1 + x2 + x3 + x4 + x5,  }  expect(applySpec(    spec, 1, 2, 3, 4, 5  )).toEqual({    one   : 1,    two   : 3,    three : 6,    four  : 10,    five  : 15,  })})
test('curried', () => {  const spec = {    one   : x1 => x1,    two   : (x1, x2) => x1 + x2,    three : (      x1, x2, x3    ) => x1 + x2 + x3,  }  expect(applySpec(spec)(1)(2)(3)).toEqual({    one   : 1,    two   : 3,    three : 6,  })})
test('curried over 5 arguments', () => {  const spec = {    one   : x1 => x1,    two   : (x1, x2) => x1 + x2,    three : (      x1, x2, x3    ) => x1 + x2 + x3,    four : (      x1, x2, x3, x4    ) => x1 + x2 + x3 + x4,    five : (      x1, x2, x3, x4, x5    ) => x1 + x2 + x3 + x4 + x5,  }  expect(applySpec(spec)(1)(2)(3)(4)(5)).toEqual({    one   : 1,    two   : 3,    three : 6,    four  : 10,    five  : 15,  })})
test('undefined property', () => {  const spec = { prop : path([ 'property', 'doesnt', 'exist' ]) }  expect(applySpec(spec, {})).toEqual({ prop : undefined })})
test('restructure json object', () => {  const spec = {    id          : path('user.id'),    name        : path('user.firstname'),    profile     : path('user.profile'),    doesntExist : path('user.profile.doesntExist'),    info        : { views : compose(inc, prop('views')) },    type        : always('playa'),  }
  const data = {    user : {      id        : 1337,      firstname : 'john',      lastname  : 'shaft',      profile   : 'shaft69',    },    views : 42,  }
  expect(applySpec(spec, data)).toEqual({    id          : 1337,    name        : 'john',    profile     : 'shaft69',    doesntExist : undefined,    info        : { views : 43 },    type        : 'playa',  })})