server_test.go

package main

import (
	"fmt"
	"net"
	"testing"
	"time"
)

var _ = func() bool {
	testing.Init()
	return true
}()

func TestServerRoomGame(t *testing.T) {
	go start()

	time.Sleep(1 * time.Second)

	wrongTokenConn, err := net.Dial("tcp", ":12345")
	if err != nil {
		t.Fatal(err)
	}

	fmt.Fprintf(wrongTokenConn, "connect\n")
	//try to connect with wrong token
	fmt.Fprintf(wrongTokenConn, "%s\n", "wrong123")

	var response string
	fmt.Fscan(wrongTokenConn, &response)
	//we expect the server to return "wrong_token" for the one who connects
	if response != "wrong_token" {
		t.Errorf("expected response to be \"wrong token\" but it was %s\n", response)
	}

	wrongTokenConn.Close()

	conn, err := net.Dial("tcp", ":12345")
	if err != nil {
		t.Fatal(err)
	}

	//first the one who creates room connects
	fmt.Fprintf(conn, "wait\n")

	var token string
	fmt.Fscan(conn, &token)

	//we expect the server to return us a 5 characters random token
	if len(token) != 5 {
		t.Errorf("server did not return 5 character token but returned %s\n", token)
	}

	connectToRoom, err := net.Dial("tcp", ":12345")
	if err != nil {
		t.Fatal(err)
	}

	fmt.Fprintf(connectToRoom, "connect\n")
	fmt.Fprintf(connectToRoom, "%s\n", token)
	fmt.Fscan(connectToRoom, &response)

	if response != "first" {
		t.Errorf("expected response to be \"first\" but it was %s\n", response)
	}

	fmt.Fscan(conn, &response)

	if response != "second" {
		t.Errorf("expected response to be \"second\" but it was %s\n", response)
	}

	//the first player places
	fmt.Fprintf(connectToRoom, "2\n")

	//expect the server to return where the other player has placed

	fmt.Fscan(conn, &response)

	if response != "2" {
		t.Errorf("expected response to be 2 but it was %s\n", response)
	}

}