@root-systems/redux-form-validators/src/__tests__/absence.spec.js

Simple validations with redux-form

import assert from 'assert'
import { absence } from '../index'
import getErrorId from './helper'

const ERROR_ID = 'form.errors.absence'

function test (value) {
  return getErrorId(absence()(value))
}

describe('Validator: absence', function () {
  it('should be invalid when `value` is not empty', function() {
    assert.equal(ERROR_ID, test(1))
    assert.equal(ERROR_ID, test('str'))
    assert.equal(ERROR_ID, test(' abc '))
  })
  it('should be valid when `value` is empty', function() {
    assert.ok(!test())
    assert.ok(!test(''))
    assert.ok(!test('   '))
    assert.ok(!test(' \n \t '))
  })
})