From 7e80d48001c8ebc11358596f10ba48daddee05f5 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Marc-Andr=C3=A9=20Lureau?= Date: Thu, 13 Dec 2018 16:37:07 +0400 Subject: [PATCH] qapi: improve reporting of unknown or missing keys MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Report the set of missing or unknown keys. And give a hint about the accepted keys. The error message for multiple meta type members (visible in tests/qapi-schema/double-type.err) is not improved. Signed-off-by: Marc-André Lureau Reviewed-by: Markus Armbruster Message-Id: <20181213123724.4866-6-marcandre.lureau@redhat.com> Signed-off-by: Markus Armbruster --- scripts/qapi/common.py | 23 +++++++++++++++-------- tests/qapi-schema/alternate-base.err | 1 + tests/qapi-schema/double-type.err | 1 + tests/qapi-schema/unknown-expr-key.err | 3 ++- tests/qapi-schema/unknown-expr-key.json | 2 +- 5 files changed, 20 insertions(+), 10 deletions(-) diff --git a/scripts/qapi/common.py b/scripts/qapi/common.py index 18f5872808..f205805751 100644 --- a/scripts/qapi/common.py +++ b/scripts/qapi/common.py @@ -874,14 +874,21 @@ def check_struct(expr, info): def check_known_keys(info, source, keys, required, optional): - for key in keys: - if key not in required and key not in optional: - raise QAPISemError(info, "Unknown key '%s' in %s" % (key, source)) - - for key in required: - if key not in keys: - raise QAPISemError(info, "Key '%s' is missing from %s" - % (key, source)) + + def pprint(elems): + return ', '.join("'" + e + "'" for e in sorted(elems)) + + missing = set(required) - set(keys) + if missing: + raise QAPISemError(info, "Key%s %s %s missing from %s" + % ('s' if len(missing) > 1 else '', pprint(missing), + 'are' if len(missing) > 1 else 'is', source)) + allowed = set(required + optional) + unknown = set(keys) - allowed + if unknown: + raise QAPISemError(info, "Unknown key%s %s in %s\nValid keys are %s." + % ('s' if len(unknown) > 1 else '', pprint(unknown), + source, pprint(allowed))) def check_keys(expr_elem, meta, required, optional=[]): diff --git a/tests/qapi-schema/alternate-base.err b/tests/qapi-schema/alternate-base.err index 30d8a34373..ebe05bc898 100644 --- a/tests/qapi-schema/alternate-base.err +++ b/tests/qapi-schema/alternate-base.err @@ -1 +1,2 @@ tests/qapi-schema/alternate-base.json:4: Unknown key 'base' in alternate 'Alt' +Valid keys are 'alternate', 'data', 'if'. diff --git a/tests/qapi-schema/double-type.err b/tests/qapi-schema/double-type.err index f9613c6d6b..799193dba1 100644 --- a/tests/qapi-schema/double-type.err +++ b/tests/qapi-schema/double-type.err @@ -1 +1,2 @@ tests/qapi-schema/double-type.json:2: Unknown key 'command' in struct 'bar' +Valid keys are 'base', 'data', 'if', 'struct'. diff --git a/tests/qapi-schema/unknown-expr-key.err b/tests/qapi-schema/unknown-expr-key.err index 12f5ed5b43..6ff8bb99c5 100644 --- a/tests/qapi-schema/unknown-expr-key.err +++ b/tests/qapi-schema/unknown-expr-key.err @@ -1 +1,2 @@ -tests/qapi-schema/unknown-expr-key.json:2: Unknown key 'bogus' in struct 'bar' +tests/qapi-schema/unknown-expr-key.json:2: Unknown keys 'bogus', 'phony' in struct 'bar' +Valid keys are 'base', 'data', 'if', 'struct'. diff --git a/tests/qapi-schema/unknown-expr-key.json b/tests/qapi-schema/unknown-expr-key.json index 3b2be00cc4..13292d75ed 100644 --- a/tests/qapi-schema/unknown-expr-key.json +++ b/tests/qapi-schema/unknown-expr-key.json @@ -1,2 +1,2 @@ # we reject an expression with unknown top-level keys -{ 'struct': 'bar', 'data': { 'string': 'str'}, 'bogus': { } } +{ 'struct': 'bar', 'data': { 'string': 'str'}, 'bogus': { }, 'phony': { } } -- 2.11.4.GIT