import { getFormData , Event } from './getFormData' ; async function submitForm ( form ) { const div = document . createElement ( 'div' ) ; div . innerHTML = `
    <form>
      ${ form }
      <button type="submit">submit</button>
    </form>` ; return new Promise ( ( resolve ) => { const form = div . querySelector ( 'form' ) ; form ?. addEventListener ( 'submit' , ( event ) => { resolve ( { preventDefault : event . preventDefault , currentTarget : event . target , } ) ; } ) ; form ?. submit ( ) ; } ) ; } test ( 'correctly expands flattened names to object structures' , async ( ) => { const event = await submitForm ( `
    <input name="first" value="first value" />
    <input name="second" value="second value" />
    
    <input name="obj.first" value="first nested value" />
    <input name="obj.second" value="second nested value" />
    
    <input name="arr[]" value="first" />
    <input name="arr[]" value="second" />
    
    <input name="idx[0]" value="zero" />
    <input name="idx[1]" value="one" />
  ` ) ; const data = getFormData ( event ) ; expect ( data ) . toEqual ( { first : 'first value' , second : 'second value' , obj : { first : 'first nested value' , second : 'second nested value' , } , arr : [ 'first' , 'second' ] , idx : [ 'zero' , 'one' ] , } ) ; } ) ; test ( 'checkboxes  use value when provided' , async ( ) => { const event = await submitForm ( `
    <input name="empty" type="checkbox" />
    <input name="checked" type="checkbox" checked />
    <input name="valued" type="checkbox" value="with-value" checked />
    
    <input name="arr[]" type="checkbox" value="red" checked />
    <input name="arr[]" type="checkbox" value="white" />
    <input name="arr[]" type="checkbox" value="blue" checked />
  ` ) ; const data = getFormData ( event ) ; expect ( data ) . toEqual ( { empty : false , checked : true , valued : 'with-value' , arr : [ 'red' , 'blue' ] , } ) ; } ) ; test ( 'coerce types' , async ( ) => { const event = await submitForm ( `
    <input type="datetime-local" name="date" value="2021-02-15T15:50:00" />
    <input type="checkbox" name="checkbox" checked="checked" />
    <input type="number" name="number" value="3" />
    <input type="number" name="emptyNumber" />
    <input type="password" name="password" value="hunter2" />
    <input type="radio" name="radio" value="on" checked />
    <input type="radio" name="radio" value="off" />
    <input type="range" name="range" value="4" />
    <input type="text" name="text" value="string" />
  ` ) ; const data = getFormData ( event ) ; expect ( data . date ) . toBeInstanceOf ( Date ) ; expect ( data . checkbox ) . toEqual ( true ) ; expect ( data . number ) . toEqual ( 3 ) ; expect ( data . emptyNumber ) . toEqual ( undefined ) ; expect ( data . password ) . toEqual ( { digest : 'f52fbd32b2b3b86ff88ef6c490628285f482af15ddcb29541f94bcf526a3f6c7' , algorithm : 'sha-256' , } ) ; expect ( data . radio ) . toEqual ( 'on' ) ; expect ( data . text ) . toEqual ( 'string' ) ; } ) ;