56 lines
1.1 KiB
Go
56 lines
1.1 KiB
Go
package udp
|
|
|
|
import (
|
|
"net"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/stretchr/testify/assert"
|
|
"github.com/stretchr/testify/require"
|
|
)
|
|
|
|
func TestUDPProxy(t *testing.T) {
|
|
backendAddr := ":8081"
|
|
go newServer(t, ":8081", HandlerFunc(func(conn *Conn) {
|
|
for {
|
|
b := make([]byte, 1024*1024)
|
|
n, err := conn.Read(b)
|
|
require.NoError(t, err)
|
|
_, err = conn.Write(b[:n])
|
|
require.NoError(t, err)
|
|
}
|
|
}))
|
|
|
|
proxy, err := NewProxy(backendAddr)
|
|
require.NoError(t, err)
|
|
|
|
proxyAddr := ":8080"
|
|
go newServer(t, proxyAddr, proxy)
|
|
|
|
time.Sleep(time.Second)
|
|
udpConn, err := net.Dial("udp", proxyAddr)
|
|
require.NoError(t, err)
|
|
|
|
_, err = udpConn.Write([]byte("DATAWRITE"))
|
|
require.NoError(t, err)
|
|
|
|
b := make([]byte, 1024*1024)
|
|
n, err := udpConn.Read(b)
|
|
require.NoError(t, err)
|
|
assert.Equal(t, "DATAWRITE", string(b[:n]))
|
|
}
|
|
|
|
func newServer(t *testing.T, addr string, handler Handler) {
|
|
addrL, err := net.ResolveUDPAddr("udp", addr)
|
|
require.NoError(t, err)
|
|
|
|
listener, err := Listen("udp", addrL)
|
|
require.NoError(t, err)
|
|
|
|
for {
|
|
conn, err := listener.Accept()
|
|
require.NoError(t, err)
|
|
go handler.ServeUDP(conn)
|
|
}
|
|
}
|