Re: [PATCH 11/18] tests: expand the migration precopy helper to support failures

["Daniel P. Berrangé" <berrange@redhat.com>]

On Mon, Mar 07, 2022 at 03:57:16PM +0800, Peter Xu wrote:
> On Wed, Mar 02, 2022 at 05:49:25PM +0000, Daniel P. Berrangé wrote:
> >  static void test_precopy_common(const char *listen_uri,
> >                                  const char *connect_uri,
> >                                  TestMigrateStartHook start_hook,
> >                                  TestMigrateFinishHook finish_hook,
> > +                                bool expect_fail,
> > +                                bool dst_quit,
> >                                  bool dirty_ring)
> >  {
> >      MigrateStart *args = migrate_start_new();
> > @@ -875,24 +890,32 @@ static void test_precopy_common(const char *listen_uri,
> >  
> >      migrate_qmp(from, connect_uri, "{}");
> >  
> > -    wait_for_migration_pass(from);
> > +    if (expect_fail) {
> > +        wait_for_migration_fail(from, !dst_quit);
> 
> Two more thoughts..
> 
> (1) Shall we move MigrateStart creation to be even upper?  Then we avoid
>     passing over these parameters but merge these new parameters into
>     MigrateStart too.  After all we used to have similar long lists of
>     params and we merged them into MigrateStart.

I don't to use MigrateStart as these new parameters are not common
to all migration tests. I have come up with an equivalent approach
though.

> (2) Shall we leverage MigrateStart.hide_stderr?  I saw a bunch of errors
>     dumped even if all things run as expected.

Yes.

Regards,
Daniel
-- 
|: https://berrange.com      -o-    https://www.flickr.com/photos/dberrange :|
|: https://libvirt.org         -o-            https://fstop138.berrange.com :|
|: https://entangle-photo.org    -o-    https://www.instagram.com/dberrange :|