+# ==================================================================================
+# Copyright (c) 2019-2020 Nokia
+# Copyright (c) 2018-2020 AT&T Intellectual Property.
+#
+# 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 msgpack
+from ricsdl.exceptions import RejectedByBackend, NotConnected, BackendError
+
+
+class MockSDLWrapper:
+ """
+ Mock wrapper for SDL that uses a dict so we do not rely on Redis for unit tests.
+ Would be really nice if SDL itself came with a "standalone: dictionary" mode for this purpose...
+ """
+
+ def __init__(self):
+ self.POLICY_DATA = {}
+
+ def set(self, key, value):
+ """set a key"""
+
+ # these are for unit testing that the handler works on various SDL errors
+ if key == "a1.policy_type.111":
+ raise RejectedByBackend()
+ if key == "a1.policy_type.112":
+ raise NotConnected()
+ if key == "a1.policy_type.113":
+ raise BackendError()
+
+ self.POLICY_DATA[key] = msgpack.packb(value, use_bin_type=True)
+
+ def get(self, key):
+ """get a key"""
+ if key in self.POLICY_DATA:
+ return msgpack.unpackb(self.POLICY_DATA[key], raw=False)
+ return None
+
+ def find_and_get(self, prefix):
+ """get all k v pairs that start with prefix"""
+ return {k: msgpack.unpackb(v, raw=False) for k, v in self.POLICY_DATA.items() if k.startswith(prefix)}
+
+ def delete(self, key):
+ """ delete a key"""
+ del self.POLICY_DATA[key]