1 files changed, 46 insertions, 0 deletions
diff --git a/src/python/grpcio_tests/tests/_sanity/_sanity_test.py b/src/python/grpcio_tests/tests/_sanity/_sanity_test.py
new file mode 100644
index 0000000000..b4079850ff
--- /dev/null
+++ b/src/python/grpcio_tests/tests/_sanity/_sanity_test.py
@@ -0,0 +1,46 @@
+# Copyright 2016 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.
+
+import json
+import unittest
+
+import pkg_resources
+import six
+
+import tests
+
+
+class SanityTest(unittest.TestCase):
+
+    maxDiff = 32768
+
+    def testTestsJsonUpToDate(self):
+        """Autodiscovers all test suites and checks that tests.json is up to date"""
+        loader = tests.Loader()
+        loader.loadTestsFromNames(['tests'])
+        test_suite_names = sorted({
+            test_case_class.id().rsplit('.', 1)[0]
+            for test_case_class in tests._loader.iterate_suite_cases(
+                loader.suite)
+        })
+
+        tests_json_string = pkg_resources.resource_string('tests', 'tests.json')
+        tests_json = json.loads(tests_json_string.decode()
+                                if six.PY3 else tests_json_string)
+
+        self.assertSequenceEqual(tests_json, test_suite_names)
+
+
+if __name__ == '__main__':
+    unittest.main(verbosity=2)