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|
package handlers
import (
"bufio"
"fmt"
"net"
"net/http"
"net/http/httptest"
"strings"
"testing"
)
func TestServiceProxy_HTTP_Forward(t *testing.T) {
backend := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
fmt.Fprint(w, "hello")
}))
defer backend.Close()
proxy := NewServiceProxy(backend.URL, "", "/claudomator")
req := httptest.NewRequest("GET", "/claudomator/", nil)
rr := httptest.NewRecorder()
proxy.ServeHTTP(rr, req)
if rr.Code != http.StatusOK {
t.Errorf("expected 200, got %d", rr.Code)
}
if body := rr.Body.String(); body != "hello" {
t.Errorf("expected 'hello', got %q", body)
}
}
func TestServiceProxy_StripPrefix(t *testing.T) {
var seenPath string
backend := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
seenPath = r.URL.Path
w.WriteHeader(http.StatusOK)
}))
defer backend.Close()
proxy := NewServiceProxy(backend.URL, "", "/claudomator")
req := httptest.NewRequest("GET", "/claudomator/api/tasks", nil)
rr := httptest.NewRecorder()
proxy.ServeHTTP(rr, req)
if seenPath != "/api/tasks" {
t.Errorf("expected upstream to see /api/tasks, got %q", seenPath)
}
}
func TestServiceProxy_RawPathStrip(t *testing.T) {
var seenRawPath string
backend := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
seenRawPath = r.URL.RawPath
w.WriteHeader(http.StatusOK)
}))
defer backend.Close()
proxy := NewServiceProxy(backend.URL, "", "/claudomator")
req := httptest.NewRequest("GET", "/claudomator/api/tasks%2Ffoo", nil)
rr := httptest.NewRecorder()
proxy.ServeHTTP(rr, req)
if strings.HasPrefix(seenRawPath, "/claudomator") {
t.Errorf("upstream still sees /claudomator prefix in RawPath: %q", seenRawPath)
}
}
func TestServiceProxy_ServiceWorkerHeader(t *testing.T) {
backend := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Service-Worker-Allowed", "/")
w.WriteHeader(http.StatusOK)
}))
defer backend.Close()
proxy := NewServiceProxy(backend.URL, "", "/claudomator")
req := httptest.NewRequest("GET", "/claudomator/sw.js", nil)
rr := httptest.NewRecorder()
proxy.ServeHTTP(rr, req)
if got := rr.Header().Get("Service-Worker-Allowed"); got != "/" {
t.Errorf("expected Service-Worker-Allowed '/', got %q", got)
}
}
func TestServiceProxy_DifferentPrefix(t *testing.T) {
var seenPath string
backend := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
seenPath = r.URL.Path
w.WriteHeader(http.StatusOK)
}))
defer backend.Close()
proxy := NewServiceProxy(backend.URL, "", "/playground")
req := httptest.NewRequest("GET", "/playground/status", nil)
rr := httptest.NewRecorder()
proxy.ServeHTTP(rr, req)
if seenPath != "/status" {
t.Errorf("expected upstream to see /status, got %q", seenPath)
}
}
// responseHijacker wraps httptest.ResponseRecorder and implements http.Hijacker
// so WebSocket hijack tests work without a real TCP connection.
type responseHijacker struct {
*httptest.ResponseRecorder
serverConn net.Conn
}
func (h *responseHijacker) Hijack() (net.Conn, *bufio.ReadWriter, error) {
rw := bufio.NewReadWriter(bufio.NewReader(h.serverConn), bufio.NewWriter(h.serverConn))
return h.serverConn, rw, nil
}
func TestServiceProxy_WebSocket(t *testing.T) {
listener, err := net.Listen("tcp", "127.0.0.1:0")
if err != nil {
t.Fatal(err)
}
defer listener.Close()
done := make(chan struct{})
go func() {
defer close(done)
conn, err := listener.Accept()
if err != nil {
return
}
defer conn.Close()
buf := make([]byte, 4096)
n, err := conn.Read(buf)
if err != nil || n == 0 {
return
}
resp := "HTTP/1.1 101 Switching Protocols\r\nUpgrade: websocket\r\nConnection: Upgrade\r\n\r\n"
_, _ = conn.Write([]byte(resp))
msgBuf := make([]byte, 64)
n, _ = conn.Read(msgBuf)
if n > 0 {
_, _ = conn.Write(msgBuf[:n])
}
}()
targetURL := "http://" + listener.Addr().String()
proxy := NewServiceProxy(targetURL, "", "/claudomator")
clientSide, serverSide := net.Pipe()
defer clientSide.Close()
rr := httptest.NewRecorder()
rh := &responseHijacker{ResponseRecorder: rr, serverConn: serverSide}
req := httptest.NewRequest("GET", "/claudomator/ws", nil)
req.Header.Set("Upgrade", "websocket")
req.Header.Set("Connection", "Upgrade")
proxyDone := make(chan struct{})
go func() {
defer close(proxyDone)
proxy.ServeHTTP(rh, req)
}()
_, err = clientSide.Write([]byte("ping"))
if err != nil {
t.Fatal(err)
}
got := make([]byte, 64)
n, _ := clientSide.Read(got)
if n == 0 {
t.Error("expected data back from WebSocket echo")
}
clientSide.Close()
<-proxyDone
<-done
}
|
