package tests

import (
	"bufio"
	"kerma/helpers"
	"kerma/utils"
	"net"
	"testing"

	. "github.com/smartystreets/goconvey/convey"
)

func TestHandler(t *testing.T) {
	host := "127.0.0.1:1337"
	net.Listen("tcp", host)
	conn, _ := net.Dial("tcp", host)
	scanner := bufio.NewScanner(conn)

	var config helpers.Config
	config.Construct()

	Convey("Given a new handler", t, func() {
		var handler utils.TCPHandler
		handler.Construct(conn)

		Convey("When Construct is called, a new object is returned", func() {
			So(handler.Conn, ShouldResemble, conn)
			So(handler.Config, ShouldResemble, config)
		})

		Convey("When Output is called, a JSON string should be returned on the connection", func() {
			jsonString := `{"foo": "bar"}`
			handler.Output([]byte(jsonString))
			resp := string(scanner.Bytes())

			So(resp, ShouldEqual, resp)
		})

		Convey("When Input is called, a JSON string and no error should be obtained from the connection", func() {
			jsonString := `{"foo": "bar"}`
			resp, err := handler.Input([]byte(jsonString))

			So(resp, ShouldEqual, resp)
			So(err, ShouldBeNil)
		})

		Convey("When GetRemotePeer is called, the local connection should be returned", func() {
			So(handler.GetRemotePeer(), ShouldEqual, host)
		})
	})
}