1 files changed, 18 insertions, 0 deletions
diff --git a/src/python/grpcio_tests/tests/unit/_channel_args_test.py b/src/python/grpcio_tests/tests/unit/_channel_args_test.py
index 869c2f4d2f..228c0e4c16 100644
--- a/src/python/grpcio_tests/tests/unit/_channel_args_test.py
+++ b/src/python/grpcio_tests/tests/unit/_channel_args_test.py
@@ -15,6 +15,7 @@
 
 from concurrent import futures
 import unittest
+import logging
 
 import grpc
 
@@ -33,6 +34,14 @@ TEST_CHANNEL_ARGS = (
     ('arg6', TestPointerWrapper()),
 )
 
+INVALID_TEST_CHANNEL_ARGS = [
+    {
+        'foo': 'bar'
+    },
+    (('key',),),
+    'str',
+]
+
 
 class ChannelArgsTest(unittest.TestCase):
 
@@ -44,6 +53,15 @@ class ChannelArgsTest(unittest.TestCase):
             futures.ThreadPoolExecutor(max_workers=1),
             options=TEST_CHANNEL_ARGS)
 
+    def test_invalid_client_args(self):
+        for invalid_arg in INVALID_TEST_CHANNEL_ARGS:
+            self.assertRaises(
+                ValueError,
+                grpc.insecure_channel,
+                'localhost:8080',
+                options=invalid_arg)
+
 
 if __name__ == '__main__':
+    logging.basicConfig()
     unittest.main(verbosity=2)