On Thu, Jan 25, 2024 at 09:47:11 -0800, Andrea Bolognani wrote:
> On Tue, Jan 16, 2024 at 05:12:41PM +0100, Peter Krempa wrote:
> > +def validate_qmp_schema_check_keys(entry, mandatory, optional):
> > + keys = set(entry.keys())
> > +
> > + for k, t in mandatory:
> > + try:
> > + keys.remove(k)
> > + except KeyError:
> > + raise qmpSchemaException("missing mandatory key '%s' in schema '%s'" % (k, entry))
> > +
> > + if not isinstance(entry[k], t):
> > + raise qmpSchemaException("key '%s' is not of the expected type '%s' in schema '%s'" % (k, t, entry))
> > +
> > + for k, t in optional:
> > + if k in keys:
> > + keys.discard(k)
> > +
> > + if t is not None:
> > + if not isinstance(entry[k], t):
> > + raise qmpSchemaException("key '%s' is not of the expected type '%s' in schema '%s'" % (k, t, entry))
>
> This doesn't cover the case where the value for the key is supposed
> to be JSON null. You can either change this to something like
>
> if ((t is not None and not isinstance(entry[k], t)) or
> (t is None and entry[k] is not None)):
> raise qmpSchemaException(...)
>
> or, more simply, drop the check on t being None...
>
> > +def validate_qmp_schema(schemalist):
> > + for entry in schemalist:
> > + if not isinstance(entry, dict):
> > + raise qmpSchemaException("schema entry '%s' is not a JSON Object (dict)" % (entry))
> > +
> > + match entry.get('meta-type', None):
> > + case 'object':
> > + for m in entry.get('members', []):
> > + validate_qmp_schema_check_keys(m,
> > + mandatory=[('name', str),
> > + ('type', str)],
> > + optional=[('default', None),
>
> ... and change the second member of the tuple to type(None) here.
>
> > def process_one(filename, args):
> > try:
> > conv = qemu_replies_load(filename)
> >
> > modify_replies(conv)
> >
> > + for (cmd, rep) in conv:
> > + if cmd['execute'] == 'query-qmp-schema':
> > + validate_qmp_schema(rep['return'])
>
> Should we check whether query-qmp-schema and its output are in fact
> present in the replies file? Or can we just assume that they're going
> to be there?
It's not needed here. The qemu capability probing code (which is
excercised via 'qemucapabilitiestest') calls it unconditionally.
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