feat: configure application transports and unify graceful shutdown

transport/native/server_test.go

@@ -504,12 +504,13 @@ func (b *closeBody) Close() error {
 	return errors.Join(err, b.conn.Close())
 }
 
-func TestServerShutdownCancelsActiveHandler(t *testing.T) {
-	started := make(chan struct{})
+func TestServerShutdownTimeoutCancelsActiveHandler(t *testing.T) {
+	started, canceled := make(chan struct{}), make(chan struct{})
 	application := omni.NewWithRouter(netrouter.New())
 	application.GET("/wait", func(ctx *omni.Context) error {
 		close(started)
 		<-ctx.Context().Done()
+		close(canceled)
 		return ctx.Context().Err()
 	})
 	server, listener, done := startServer(t, application)
@@ -524,19 +525,12 @@ func TestServerShutdownCancelsActiveHandler(t *testing.T) {
 	case <-time.After(2 * time.Second):
 		t.Fatal("handler did not start")
 	}
-	shutdownContext, cancel := context.WithTimeout(context.Background(), time.Second)
+	shutdownContext, cancel := context.WithTimeout(context.Background(), 50*time.Millisecond)
 	defer cancel()
-	if err := server.Shutdown(shutdownContext); err != nil {
-		t.Fatal(err)
-	}
-	response, err := http.ReadResponse(bufio.NewReader(conn), &http.Request{Method: http.MethodGet})
-	if err != nil {
-		t.Fatal(err)
-	}
-	response.Body.Close()
-	if response.StatusCode != http.StatusInternalServerError {
-		t.Fatalf("expected canceled handler to become 500, got %d", response.StatusCode)
+	if err := server.Shutdown(shutdownContext); !errors.Is(err, context.DeadlineExceeded) {
+		t.Fatalf("expected shutdown deadline, got %v", err)
 	}
+	<-canceled
 	conn.Close()
 	select {
 	case err := <-done: