add test to verify that EncryptionContext.attributes is not included in str/repr

Author: mattsb42-aws

test/unit/test_structures.py

@@ -0,0 +1,26 @@
+# Copyright 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"). You
+# may not use this file except in compliance with the License. A copy of
+# the License is located at
+#
+# http://aws.amazon.com/apache2.0/
+#
+# or in the "license" file accompanying this file. This file 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.
+"""Unit tests for ``dynamodb_encryption_sdk.structures``."""
+import pytest
+
+from dynamodb_encryption_sdk.structures import EncryptionContext
+
+
+@pytest.mark.parametrize("operator", (repr, str))
+def test_encryption_context_repr(operator):
+    value = EncryptionContext(attributes={"unique_name": {"S": "unique_value"}})
+
+    test = operator(value)
+
+    assert "unique_name" not in test
+    assert "unique_value" not in test