package handler

import (
	"errors"
	"fmt"
	"testing"

	rErrors "codeberg.org/danjones000/responsable-errors"
	"github.com/stretchr/testify/assert"
)

var someErr error = errors.New("I am a teapot")

var noop Transformer = func(err error) rErrors.ResponsableError {
	return nil
}

func TestWithTrans(t *testing.T) {
	c := config{}
	c = WithTransformer(noop)(c)
	assert.Len(t, c.transformers, 1)
	exp := fmt.Sprintf("%p", noop)
	fd := fmt.Sprintf("%p", c.transformers[0])
	assert.Equal(t, exp, fd)
}

func TestWithDef(t *testing.T) {
	c := config{}
	c = WithDefaultTransformer()(c)
	assert.Len(t, c.transformers, 1)
	exp := fmt.Sprintf("%p", ginTransformer)
	fd := fmt.Sprintf("%p", c.transformers[0])
	assert.Equal(t, exp, fd)
}

func TestGinTransNotGinError(t *testing.T) {
	assert.Nil(t, ginTransformer(someErr))
}