diff --git a/src/compute/tests/mock_osm/Constants.py b/src/compute/tests/mock_osm/Constants.py
new file mode 100644
index 0000000000000000000000000000000000000000..44d74169f0fd68073ca4ed5272f3dc7ef3ebf958
--- /dev/null
+++ b/src/compute/tests/mock_osm/Constants.py
@@ -0,0 +1,16 @@
+# Copyright 2021-2023 H2020 TeraFlow (https://www.teraflow-h2020.eu/)
+#
+# 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.
+
+WIM_USERNAME = 'admin'
+WIM_PASSWORD = 'admin'
diff --git a/src/compute/tests/mock_osm/Tools.py b/src/compute/tests/mock_osm/Tools.py
new file mode 100644
index 0000000000000000000000000000000000000000..292832bf1369b0aa4398e6b5cdc133808599ff90
--- /dev/null
+++ b/src/compute/tests/mock_osm/Tools.py
@@ -0,0 +1,44 @@
+# Copyright 2021-2023 H2020 TeraFlow (https://www.teraflow-h2020.eu/)
+#
+# 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.
+
+def compose_service_endpoint_id(endpoint_id):
+    device_uuid = endpoint_id['device_id']['device_uuid']['uuid']
+    endpoint_uuid = endpoint_id['endpoint_uuid']['uuid']
+    return ':'.join([device_uuid, endpoint_uuid])
+
+def wim_mapping(site_id, ce_endpoint_id, pe_device_id, priority=None, redundant=[]):
+    ce_endpoint_id = ce_endpoint_id['endpoint_id']
+    ce_device_uuid = ce_endpoint_id['device_id']['device_uuid']['uuid']
+    ce_endpoint_uuid = ce_endpoint_id['endpoint_uuid']['uuid']
+    pe_device_uuid = pe_device_id['device_uuid']['uuid']
+    service_endpoint_id = '{:s}:{:s}:{:s}'.format(site_id, ce_device_uuid, ce_endpoint_uuid)
+    bearer = '{:s}:{:s}'.format(ce_device_uuid, pe_device_uuid)
+    _mapping = {
+        'service_endpoint_id': service_endpoint_id,
+        'datacenter_id': site_id, 'device_id': ce_device_uuid, 'device_interface_id': ce_endpoint_uuid,
+        'service_mapping_info': {
+            'site-id': site_id,
+            'bearer': {'bearer-reference': bearer},
+        }
+    }
+    if priority is not None: _mapping['service_mapping_info']['priority'] = priority
+    if len(redundant) > 0: _mapping['service_mapping_info']['redundant'] = redundant
+    return service_endpoint_id, _mapping
+
+def connection_point(service_endpoint_id : str, encapsulation_type : str, vlan_id : int):
+    return {
+        'service_endpoint_id': service_endpoint_id,
+        'service_endpoint_encapsulation_type': encapsulation_type,
+        'service_endpoint_encapsulation_info': {'vlan': vlan_id}
+    }