wip; Add tests

sdk/keyvault/azure-keyvault-keys/tests/test_crypto_client.py

@@ -491,6 +491,15 @@ def test_calls_service_for_operations_unsupported_locally():
     assert supports_nothing.wrap_key.call_count == 0
 
 
+def test_local_only_mode_no_service_calls():
+    """With a local-only CryptographyClient, it shouldn't call the service if an operation can't be performed locally"""
+
+    mock_client = mock.Mock()
+    jwk = mock.Mock(spec=JsonWebKey)
+    client = CryptographyClient.from_jkw(key_id="https://localhost/fake/key/version", jwk=jwk)
+    client._client = mock_client
+
+
 def test_prefers_local_provider():
     """The client should complete operations locally whenever possible"""