package dbus import ( "fmt" "net" "testing" ) func TestTcpConnection(t *testing.T) { listener, err := net.Listen("tcp", ":0") if err != nil { t.Fatal("Failed to create listener") } host, port, err := net.SplitHostPort(listener.Addr().String()) if err != nil { t.Fatal("Failed to parse host/port") } conn, err := Dial(fmt.Sprintf("tcp:host=%s,port=%s", host, port)) if err != nil { t.Error("Expected no error, got", err) } if conn == nil { t.Error("Expected connection, got nil") } }