import { replaceEmptyStringInObjectToNull } from '../../../../hooks/useForm/replaceEmptyStringInObjectToNull' describe('hooks/useForm/replaceEmptyStringInObjectToNull', () => { it('should replace empty string in object to null except for required properties', () => { expect( replaceEmptyStringInObjectToNull( { foo: '', bar: 'bar', baz: '' }, ['baz'] ) ).deep.equal({ foo: null, bar: 'bar', baz: '' }) }) })