package ipc import ( "testing" "time" ) func TestDispatchSeekSendsIPCSeekMsgWithDuration(t *testing.T) { var sent any s := &Server{ disp: DispatcherFunc(func(msg any) { sent = msg }), } resp := s.dispatch(Request{Cmd: "seek", Value: 12.25}) if !resp.OK { t.Fatalf("dispatch() response = %#v, want OK", resp) } got, ok := sent.(SeekMsg) if !ok { t.Fatalf("dispatch() sent %T, want ipc.SeekMsg", sent) } want := SeekMsg{Offset: 12250 * time.Millisecond} if got != want { t.Fatalf("dispatch() sent %#v, want %#v", got, want) } }