1 files changed, 37 insertions, 0 deletions
diff --git a/tests/unit/test_protobuf_helpers.py b/tests/unit/test_protobuf_helpers.py
new file mode 100644
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+++ b/tests/unit/test_protobuf_helpers.py
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+# Copyright 2017 Google Inc.
+#
+# 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 pytest
+
+from google.api_core import protobuf_helpers
+from google.protobuf import any_pb2
+from google.type import date_pb2
+from google.type import timeofday_pb2
+
+
+def test_from_any_pb_success():
+    in_message = date_pb2.Date(year=1990)
+    in_message_any = any_pb2.Any()
+    in_message_any.Pack(in_message)
+    out_message = protobuf_helpers.from_any_pb(date_pb2.Date, in_message_any)
+
+    assert in_message == out_message
+
+
+def test_from_any_pb_failure():
+    in_message = any_pb2.Any()
+    in_message.Pack(date_pb2.Date(year=1990))
+
+    with pytest.raises(TypeError):
+        protobuf_helpers.from_any_pb(timeofday_pb2.TimeOfDay, in_message)