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From: Markus Armbruster <armbru@redhat.com>
To: John Snow <jsnow@redhat.com>
Cc: Michael Roth <michael.roth@amd.com>,
	Cleber Rosa <crosa@redhat.com>,
	qemu-devel@nongnu.org, Eduardo Habkost <ehabkost@redhat.com>
Subject: Re: [PATCH v4 09/19] qapi/expr.py: Check type of 'data' member
Date: Thu, 25 Mar 2021 15:26:12 +0100
Message-ID: <87r1k3s41n.fsf@dusky.pond.sub.org> (raw)
In-Reply-To: <20210325060356.4040114-10-jsnow@redhat.com> (John Snow's message of "Thu, 25 Mar 2021 02:03:46 -0400")

Suggest

    qapi/expr.py: Check type of union and alternate 'data' member

John Snow <jsnow@redhat.com> writes:

> We don't actually check, so the user can get some unpleasant stacktraces.

Let's point to the new tests here.

> Formalize it.

Huh?

> Signed-off-by: John Snow <jsnow@redhat.com>
> ---
>  scripts/qapi/expr.py                              | 7 +++++++
>  tests/qapi-schema/alternate-invalid-data-type.err | 2 ++
>  tests/qapi-schema/union-invalid-data-type.err     | 2 ++
>  3 files changed, 11 insertions(+)
>
> diff --git a/scripts/qapi/expr.py b/scripts/qapi/expr.py
> index 73e7d8cb0d..ca5ab7bfda 100644
> --- a/scripts/qapi/expr.py
> +++ b/scripts/qapi/expr.py
> @@ -281,6 +281,9 @@ def check_union(expr, info):
>              raise QAPISemError(info, "'discriminator' requires 'base'")
>          check_name_is_str(discriminator, info, "'discriminator'")
>  
> +    if not isinstance(members, dict):
> +        raise QAPISemError(info, "'data' must be an object")
> +
>      for (key, value) in members.items():
>          source = "'data' member '%s'" % key
>          if discriminator is None:
> @@ -296,6 +299,10 @@ def check_alternate(expr, info):
>  
>      if not members:
>          raise QAPISemError(info, "'data' must not be empty")
> +
> +    if not isinstance(members, dict):
> +        raise QAPISemError(info, "'data' must be an object")
> +
>      for (key, value) in members.items():
>          source = "'data' member '%s'" % key
>          check_name_lower(key, info, source)
> diff --git a/tests/qapi-schema/alternate-invalid-data-type.err b/tests/qapi-schema/alternate-invalid-data-type.err
> index e69de29bb2..c7301ccb00 100644
> --- a/tests/qapi-schema/alternate-invalid-data-type.err
> +++ b/tests/qapi-schema/alternate-invalid-data-type.err
> @@ -0,0 +1,2 @@
> +alternate-invalid-data-type.json: In alternate 'Alt':
> +alternate-invalid-data-type.json:2: 'data' must be an object
> diff --git a/tests/qapi-schema/union-invalid-data-type.err b/tests/qapi-schema/union-invalid-data-type.err
> index e69de29bb2..b71c3400c5 100644
> --- a/tests/qapi-schema/union-invalid-data-type.err
> +++ b/tests/qapi-schema/union-invalid-data-type.err
> @@ -0,0 +1,2 @@
> +union-invalid-data-type.json: In union 'TestUnion':
> +union-invalid-data-type.json:9: 'data' must be an object



  reply index

Thread overview: 59+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-25  6:03 [PATCH v4 00/19] qapi: static typing conversion, pt3 John Snow
2021-03-25  6:03 ` [PATCH v4 01/19] qapi/expr: Comment cleanup John Snow
2021-03-25 15:41   ` Markus Armbruster
2021-03-25 20:06     ` John Snow
2021-03-25  6:03 ` [PATCH v4 02/19] flake8: Enforce shorter line length for comments and docstrings John Snow
2021-03-25 15:21   ` Markus Armbruster
2021-03-25 20:20     ` John Snow
2021-03-26  6:26       ` Markus Armbruster
2021-03-26 16:30         ` John Snow
2021-03-26 16:44           ` Peter Maydell
2021-04-08  8:32             ` Markus Armbruster
2021-04-08  8:58             ` Daniel P. Berrangé
2021-04-09  9:33               ` Markus Armbruster
2021-04-09 17:08                 ` John Snow
2021-04-08  8:35           ` Markus Armbruster
2021-04-16 12:44   ` Markus Armbruster
2021-04-16 20:25     ` John Snow
2021-04-17 10:52       ` Markus Armbruster
2021-04-20 18:06         ` John Snow
2021-03-25  6:03 ` [PATCH v4 03/19] qapi/expr.py: Remove 'info' argument from nested check_if_str John Snow
2021-03-25  6:03 ` [PATCH v4 04/19] qapi/expr.py: Check for dict instead of OrderedDict John Snow
2021-03-25  6:03 ` [PATCH v4 05/19] qapi/expr.py: constrain incoming expression types John Snow
2021-03-25 14:04   ` Markus Armbruster
2021-03-25 20:48     ` John Snow
2021-03-26  5:40       ` Markus Armbruster
2021-03-26 17:12         ` John Snow
2021-03-25  6:03 ` [PATCH v4 06/19] qapi/expr.py: Add assertion for union type 'check_dict' John Snow
2021-03-25  6:03 ` [PATCH v4 07/19] qapi/expr.py: move string check upwards in check_type John Snow
2021-03-25  6:03 ` [PATCH v4 08/19] qapi: add tests for invalid 'data' field type John Snow
2021-03-25 14:24   ` Markus Armbruster
2021-03-25  6:03 ` [PATCH v4 09/19] qapi/expr.py: Check type of 'data' member John Snow
2021-03-25 14:26   ` Markus Armbruster [this message]
2021-03-25 21:04     ` John Snow
2021-03-25  6:03 ` [PATCH v4 10/19] qapi/expr.py: Add casts in a few select cases John Snow
2021-03-25 14:33   ` Markus Armbruster
2021-03-25 23:32     ` John Snow
2021-03-25  6:03 ` [PATCH v4 11/19] qapi/expr.py: Modify check_keys to accept any Collection John Snow
2021-03-25 14:45   ` Markus Armbruster
2021-03-25 23:37     ` John Snow
2021-03-25  6:03 ` [PATCH v4 12/19] qapi/expr.py: add type hint annotations John Snow
2021-03-25  6:03 ` [PATCH v4 13/19] qapi/expr.py: Consolidate check_if_str calls in check_if John Snow
2021-03-25 15:15   ` Markus Armbruster
2021-03-26  0:07     ` John Snow
2021-03-25  6:03 ` [PATCH v4 14/19] qapi/expr.py: Remove single-letter variable John Snow
2021-03-25  6:03 ` [PATCH v4 15/19] qapi/expr.py: enable pylint checks John Snow
2021-03-25  6:03 ` [PATCH v4 16/19] qapi/expr.py: Add docstrings John Snow
2021-04-14 15:04   ` Markus Armbruster
2021-04-17  1:00     ` John Snow
2021-04-17 13:18       ` Markus Armbruster
2021-04-21  1:27         ` John Snow
2021-04-21 13:58           ` Markus Armbruster
2021-04-21 18:20             ` John Snow
2021-03-25  6:03 ` [PATCH v4 17/19] qapi/expr.py: Use tuples instead of lists for static data John Snow
2021-03-25 15:19   ` Markus Armbruster
2021-03-25  6:03 ` [PATCH v4 18/19] qapi/expr.py: move related checks inside check_xxx functions John Snow
2021-03-25  6:03 ` [PATCH v4 19/19] qapi/expr.py: Use an expression checker dispatch table John Snow
2021-03-25 15:46 ` [PATCH v4 00/19] qapi: static typing conversion, pt3 Markus Armbruster
2021-03-26  0:40 ` John Snow
2021-03-26 18:01 ` John Snow

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