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-rwxr-xr-xtools/run_tests/sanity/check_channel_arg_usage.py53
1 files changed, 53 insertions, 0 deletions
diff --git a/tools/run_tests/sanity/check_channel_arg_usage.py b/tools/run_tests/sanity/check_channel_arg_usage.py
new file mode 100755
index 0000000000..d01b29b4cb
--- /dev/null
+++ b/tools/run_tests/sanity/check_channel_arg_usage.py
@@ -0,0 +1,53 @@
+#!/usr/bin/env python
+
+# Copyright 2018 gRPC authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from __future__ import print_function
+
+import os
+import sys
+
+os.chdir(os.path.join(os.path.dirname(sys.argv[0]), '../../..'))
+
+# set of files that are allowed to use the raw GRPC_ARG_* types
+_EXCEPTIONS = set([
+ 'src/core/lib/channel/channel_args.cc',
+ 'src/core/lib/channel/channel_args.h',
+])
+
+_BANNED = set([
+ "GRPC_ARG_POINTER",
+])
+
+errors = 0
+num_files = 0
+for root, dirs, files in os.walk('src/core'):
+ for filename in files:
+ num_files += 1
+ path = os.path.join(root, filename)
+ if path in _EXCEPTIONS: continue
+ with open(path) as f:
+ text = f.read()
+ for banned in _BANNED:
+ if banned in text:
+ print('Illegal use of "%s" in %s' % (banned, path))
+ errors += 1
+
+assert errors == 0
+# This check comes about from this issue:
+# https://github.com/grpc/grpc/issues/15381
+# Basically, a change rendered this script useless and we did not realize it.
+# This dumb check ensures that this type of issue doesn't occur again.
+assert num_files > 300 # we definitely have more than 300 files