package handler

import (
	"errors"
	"net/http"
	"net/http/httptest"
	"testing"

	"github.com/gin-gonic/gin"
	"github.com/stretchr/testify/suite"
)

func TestHandler(t *testing.T) {
	suite.Run(t, new(HandlerTestSuite))
}

type HandlerTestSuite struct {
	suite.Suite
	w   *httptest.ResponseRecorder
	ctx *gin.Context
}

func (s *HandlerTestSuite) SetupTest() {
	gin.SetMode(gin.TestMode)
	s.w = httptest.NewRecorder()
	s.ctx, _ = gin.CreateTestContext(s.w)
	s.ctx.Request = new(http.Request)
}

func (s *HandlerTestSuite) TearDownTest() {
	s.w = nil
	s.ctx = nil
}

func (s *HandlerTestSuite) TestHandler() {
	err := errors.New("Goodbye")
	HandlerWithErrorWrapper(func(c *gin.Context) error {
		return err
	})(s.ctx)

	found := s.ctx.Errors.Last()
	s.Assert().True(errors.Is(found, err))
}

func (s *HandlerTestSuite) TestHandlerNil() {
	HandlerWithErrorWrapper(func(c *gin.Context) error {
		return nil
	})(s.ctx)

	found := s.ctx.Errors.Last()
	s.Assert().Nil(found)
}