diff --git a/app/src/test/java/org/opencord/sadis/impl/BaseSadis.java b/app/src/test/java/org/opencord/sadis/impl/BaseSadis.java
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+++ b/app/src/test/java/org/opencord/sadis/impl/BaseSadis.java
@@ -0,0 +1,221 @@
+/*
+ * Copyright 2017-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.sadis.impl;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import org.onosproject.codec.impl.CodecManager;
+import org.onosproject.core.ApplicationId;
+import org.onosproject.core.CoreServiceAdapter;
+import org.onosproject.net.config.ConfigApplyDelegate;
+import org.onosproject.net.config.NetworkConfigRegistryAdapter;
+import org.onosproject.net.config.NetworkConfigListener;
+import org.onosproject.net.config.Config;
+import org.onosproject.net.config.NetworkConfigEvent;
+import org.opencord.sadis.BaseConfig;
+import org.opencord.sadis.BaseInformationService;
+import org.opencord.sadis.BaseInformation;
+
+import java.io.InputStream;
+import java.time.Duration;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import static org.junit.Assert.*;
+
+public abstract class BaseSadis {
+
+    protected SadisManager sadis;
+    protected ConfigApplyDelegate delegate;
+    protected ObjectMapper mapper;
+    protected ApplicationId subject;
+    protected BaseConfig config;
+    protected NetworkConfigEvent event;
+    protected static NetworkConfigListener configListener;
+
+    public void setUp(String localConfig, Class configClass) throws Exception {
+        sadis = new SadisManager();
+        sadis.coreService = new MockCoreService();
+        delegate = new MockConfigDelegate();
+        mapper = new ObjectMapper();
+        subject = sadis.coreService.registerApplication("org.opencord.sadis");
+
+        config.init(subject, "sadis-local-mode-test", node(localConfig), mapper, delegate);
+        sadis.cfgService = new MockNetworkConfigRegistry(subject, config);
+
+        event = new NetworkConfigEvent(NetworkConfigEvent.Type.CONFIG_ADDED, subject, configClass);
+
+        sadis.codecService = new CodecManager();
+        sadis.activate();
+    }
+
+    public void tearDown() {
+        this.sadis.deactivate();
+    }
+
+    protected JsonNode node(String jsonFile) throws Exception {
+        final InputStream jsonStream = BaseSadis.class.getResourceAsStream(jsonFile);
+        final JsonNode testConfig = mapper.readTree(jsonStream);
+        return testConfig;
+    }
+
+    protected void checkConfigInfo(int cacheMaxSize, String cacheTtl, BaseConfig config) {
+        assertEquals(cacheMaxSize, config.getCacheMaxSize());
+        assertEquals(Duration.parse(cacheTtl), config.getCacheTtl());
+    }
+
+    protected void invalidateId(String id, BaseInformationService service) {
+        service.invalidateId(id);
+    }
+
+    protected void invalidateAll(BaseInformationService service) {
+        service.invalidateAll();
+    }
+
+    protected void checkFromBoth(String id, BaseInformation localEntry, BaseInformationService service) {
+        BaseInformation entry = service.getfromCache(id);
+        assertNull(entry);
+        checkGetForExisting(id, localEntry, service);
+    }
+
+    abstract boolean checkEquality(BaseInformation localEntry, BaseInformation entry);
+
+    protected void checkGetForExisting(String id, BaseInformation localEntry, BaseInformationService service) {
+        BaseInformation entry = service.get(id);
+        assertNotNull(entry);
+        System.out.println(entry);
+        if (localEntry != null) {
+            assertTrue(checkEquality(localEntry, entry));
+        }
+    }
+
+
+    /**
+     * Mocks an ONOS configuration delegate to allow JSON based configuration to
+     * be tested.
+     */
+    private static final class MockConfigDelegate implements ConfigApplyDelegate {
+        @Override
+        public void onApply(@SuppressWarnings("rawtypes") Config config) {
+            config.apply();
+        }
+    }
+
+    /**
+     * Mocks an instance of {@link ApplicationId} so that the application
+     * component under test can query and use its application ID.
+     */
+    private static final class MockApplicationId implements ApplicationId {
+
+        private final short id;
+        private final String name;
+
+        public MockApplicationId(short id, String name) {
+            this.id = id;
+            this.name = name;
+        }
+
+        @Override
+        public short id() {
+            return id;
+        }
+
+        @Override
+        public String name() {
+            return name;
+        }
+    }
+
+    /**
+     * Mocks the core services of ONOS so that the application under test can
+     * register and query application IDs.
+     */
+    private static final class MockCoreService extends CoreServiceAdapter {
+
+        private List<ApplicationId> idList = new ArrayList<ApplicationId>();
+        private Map<String, ApplicationId> idMap = new HashMap<String, ApplicationId>();
+
+        /*
+         * (non-Javadoc)
+         *
+         * @see
+         * org.onosproject.core.CoreServiceAdapter#getAppId(java.lang.Short)
+         */
+        @Override
+        public ApplicationId getAppId(Short id) {
+            if (id >= idList.size()) {
+                return null;
+            }
+            return idList.get(id);
+        }
+
+        /*
+         * (non-Javadoc)
+         *
+         * @see
+         * org.onosproject.core.CoreServiceAdapter#getAppId(java.lang.String)
+         */
+        @Override
+        public ApplicationId getAppId(String name) {
+            return idMap.get(name);
+        }
+
+        /*
+         * (non-Javadoc)
+         *
+         * @see
+         * org.onosproject.core.CoreServiceAdapter#registerApplication(java.lang
+         * .String)
+         */
+        @Override
+        public ApplicationId registerApplication(String name) {
+            ApplicationId appId = idMap.get(name);
+            if (appId == null) {
+                appId = new MockApplicationId((short) idList.size(), name);
+                idList.add(appId);
+                idMap.put(name, appId);
+            }
+            return appId;
+        }
+
+    }
+
+
+    /**
+     * Mocks the ONOS network configuration registry so that the application
+     * under test can access a JSON defined configuration.
+     */
+    static final class MockNetworkConfigRegistry<S> extends NetworkConfigRegistryAdapter {
+        private final BaseConfig config;
+
+        public MockNetworkConfigRegistry(final S subject, final BaseConfig config) {
+            this.config = config;
+        }
+
+        @SuppressWarnings("unchecked")
+        @Override
+        public <S, C extends Config<S>> C getConfig(final S subject, final Class<C> configClass) {
+            return (C) config;
+        }
+
+        @Override
+        public void addListener(NetworkConfigListener listener) {
+            configListener = listener;
+        }
+    }
+}