diff --git a/app/src/test/java/org/opencord/olt/impl/TestBase.java b/app/src/test/java/org/opencord/olt/impl/TestBase.java
new file mode 100644
index 0000000..b8447a9
--- /dev/null
+++ b/app/src/test/java/org/opencord/olt/impl/TestBase.java
@@ -0,0 +1,127 @@
+/*
+ * Copyright 2016-present Open Networking Foundation
+ *
+ * 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.
+ */
+package org.opencord.olt.impl;
+
+import com.google.common.collect.Maps;
+import org.onlab.packet.Ip4Address;
+import org.onlab.packet.MacAddress;
+import org.onosproject.core.DefaultApplicationId;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.meter.MeterId;
+import org.opencord.sadis.BandwidthProfileInformation;
+import org.opencord.sadis.BaseInformationService;
+import org.opencord.sadis.SadisService;
+import org.opencord.sadis.SubscriberAndDeviceInformation;
+
+import java.util.Map;
+
+public class TestBase {
+
+    protected static final String CLIENT_NAS_PORT_ID = "PON 1/1";
+    protected static final String CLIENT_CIRCUIT_ID = "CIR-PON 1/1";
+    protected static final String OLT_DEV_ID = "of:00000000000000aa";
+    protected static final DeviceId DEVICE_ID_1 = DeviceId.deviceId(OLT_DEV_ID);
+    protected MeterId usMeterId = MeterId.meterId(1);
+    protected MeterId dsMeterId = MeterId.meterId(2);
+    protected String usBpId = "HSIA-US";
+    protected String dsBpId = "HSIA-DS";
+    protected DefaultApplicationId appId = new DefaultApplicationId(1, "OltServices");
+
+    Map<String, BandwidthProfileInformation> bpInformation = Maps.newConcurrentMap();
+
+    protected void addBandwidthProfile(String id) {
+        BandwidthProfileInformation bpInfo = new BandwidthProfileInformation();
+        bpInfo.setAssuredInformationRate(0);
+        bpInfo.setCommittedInformationRate(10000);
+        bpInfo.setCommittedBurstSize(1000L);
+        bpInfo.setExceededBurstSize(2000L);
+        bpInfo.setExceededInformationRate(20000);
+        bpInformation.put(id, bpInfo);
+    }
+
+    protected class MockSadisService implements SadisService {
+
+        @Override
+        public BaseInformationService<SubscriberAndDeviceInformation> getSubscriberInfoService() {
+            return new MockSubService();
+        }
+
+        @Override
+        public BaseInformationService<BandwidthProfileInformation> getBandwidthProfileService() {
+            return new MockBpService();
+        }
+    }
+
+    private class MockBpService implements BaseInformationService<BandwidthProfileInformation> {
+
+        @Override
+        public void invalidateAll() {
+
+        }
+
+        @Override
+        public void invalidateId(String id) {
+
+        }
+
+        @Override
+        public BandwidthProfileInformation get(String id) {
+            return bpInformation.get(id);
+        }
+
+        @Override
+        public BandwidthProfileInformation getfromCache(String id) {
+            return null;
+        }
+    }
+
+    private class MockSubService implements BaseInformationService<SubscriberAndDeviceInformation> {
+        MockSubscriberAndDeviceInformation sub =
+                new MockSubscriberAndDeviceInformation(CLIENT_NAS_PORT_ID,
+                        CLIENT_NAS_PORT_ID, CLIENT_CIRCUIT_ID, null, null);
+
+        @Override
+        public SubscriberAndDeviceInformation get(String id) {
+            return sub;
+        }
+
+        @Override
+        public void invalidateAll() {
+        }
+
+        @Override
+        public void invalidateId(String id) {
+        }
+
+        @Override
+        public SubscriberAndDeviceInformation getfromCache(String id) {
+            return null;
+        }
+    }
+
+    private class MockSubscriberAndDeviceInformation extends SubscriberAndDeviceInformation {
+
+        MockSubscriberAndDeviceInformation(String id, String nasPortId,
+                                           String circuitId, MacAddress hardId,
+                                           Ip4Address ipAddress) {
+            this.setHardwareIdentifier(hardId);
+            this.setId(id);
+            this.setIPAddress(ipAddress);
+            this.setNasPortId(nasPortId);
+            this.setCircuitId(circuitId);
+        }
+    }
+}