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websocketify_test.go
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websocketify_test.go
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package websockifygo
import (
"fmt"
"log"
"net"
"net/http"
"testing"
"time"
"github.com/gorilla/websocket"
"github.com/stretchr/testify/assert"
)
func TestProxy(t *testing.T) {
// create a example echo server
echoServer, err := net.Listen("tcp", "127.0.0.1:12340")
if err != nil {
t.Fatal(err)
}
go func() {
defer echoServer.Close()
for {
conn, err := echoServer.Accept()
if err != nil {
log.Fatal(err)
}
go func() {
defer conn.Close()
buf := make([]byte, 1024)
for {
n, err := conn.Read(buf)
if err != nil {
return
}
fmt.Println("echo:", string(buf[:n]))
conn.Write(buf[:n])
}
}()
}
}()
// create a proxy server
wsp := &WSproxy{
URL: "/echo",
Target: "127.0.0.1:12340",
}
go func() {
wsp.Serve("127.0.0.1:12341")
}()
// wait for the proxy server to start
time.Sleep(100 * time.Millisecond)
{
// create a client
r, err := http.Get("http://127.0.0.1:12341/")
assert.Nil(t, err)
assert.Equal(t, http.StatusNotFound, r.StatusCode)
}
{
r, err := http.Get("http://127.0.0.1:12341/echo")
assert.Nil(t, err)
assert.Equal(t, http.StatusBadRequest, r.StatusCode)
}
{
// websocket client
conn, _, err := websocket.DefaultDialer.Dial("ws://127.0.0.1:12341/echo", nil)
assert.Nil(t, err)
defer conn.Close()
conn.WriteMessage(websocket.BinaryMessage, []byte("hello"))
_, message, err := conn.ReadMessage()
assert.Nil(t, err)
assert.Equal(t, "hello", string(message))
}
}