diff --git a/apps/mappingmanagement/api/src/test/java/org/onosproject/mapping/DefaultMappingEntryTest.java b/apps/mappingmanagement/api/src/test/java/org/onosproject/mapping/DefaultMappingEntryTest.java
new file mode 100644
index 0000000..d9b1ff8
--- /dev/null
+++ b/apps/mappingmanagement/api/src/test/java/org/onosproject/mapping/DefaultMappingEntryTest.java
@@ -0,0 +1,78 @@
+/*
+ * Copyright 2017-present Open Networking Laboratory
+ *
+ * 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.onosproject.mapping;
+
+import com.google.common.testing.EqualsTester;
+import org.junit.Test;
+import org.onosproject.net.DeviceId;
+
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.is;
+
+/**
+ * Unit tests for the default mapping entry class.
+ */
+public class DefaultMappingEntryTest {
+
+    private static final MappingKey MAPPING_KEY = new DefaultMappingKey();
+    private static final MappingValue MAPPING_VALUE = new DefaultMappingValue();
+
+    /**
+     * Creates a new mapping entry from an unique value.
+     *
+     * @param value unique value
+     * @return a new mapping entry
+     */
+    private static DefaultMappingEntry makeMappingEntry(int value) {
+        Mapping mapping = new DefaultMapping.Builder()
+                                .forDevice(DeviceId.deviceId("lisp:10.1.1." +
+                                                    Integer.toString(value)))
+                                .withKey(MAPPING_KEY)
+                                .withValue(MAPPING_VALUE)
+                                .withId(value)
+                                .build();
+
+        return new DefaultMappingEntry(mapping, MappingEntry.MappingEntryState.ADDED);
+    }
+
+    final MappingEntry entry1 = makeMappingEntry(1);
+    final MappingEntry sameAsEntry1 = makeMappingEntry(1);
+    final MappingEntry entry2 = makeMappingEntry(2);
+
+    /**
+     * Tests the equals, hashCode and toString methods using Guava EqualsTester.
+     */
+    @Test
+    public void testEquals() {
+        new EqualsTester()
+                .addEqualityGroup(entry1, sameAsEntry1)
+                .addEqualityGroup(entry2)
+                .testEquals();
+    }
+
+    /**
+     * Tests creation of a DefaultMappingEntry using a mapping builder.
+     */
+    @Test
+    public void testConstruction() {
+        DefaultMappingEntry entry = (DefaultMappingEntry) entry1;
+
+        assertThat(entry.deviceId(), is(DeviceId.deviceId("lisp:10.1.1.1")));
+        assertThat(entry.id(), is(MappingId.valueOf(1)));
+        assertThat(entry.key(), is(MAPPING_KEY));
+        assertThat(entry.value(), is(MAPPING_VALUE));
+    }
+}
diff --git a/apps/mappingmanagement/api/src/test/java/org/onosproject/mapping/DefaultMappingTest.java b/apps/mappingmanagement/api/src/test/java/org/onosproject/mapping/DefaultMappingTest.java
new file mode 100644
index 0000000..6a87d8b
--- /dev/null
+++ b/apps/mappingmanagement/api/src/test/java/org/onosproject/mapping/DefaultMappingTest.java
@@ -0,0 +1,99 @@
+/*
+ * Copyright 2017-present Open Networking Laboratory
+ *
+ * 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.onosproject.mapping;
+
+import com.google.common.testing.EqualsTester;
+import org.junit.Before;
+import org.junit.Test;
+import org.onosproject.net.DeviceId;
+
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.is;
+import static org.onlab.junit.ImmutableClassChecker.assertThatClassIsImmutableBaseClass;
+
+/**
+ * Unit tests for the default mapping class.
+ */
+public class DefaultMappingTest {
+
+    private Mapping mapping1;
+    private Mapping sameAsMapping1;
+    private Mapping mapping2;
+
+    @Before
+    public void setup() {
+
+        Mapping.Builder builder1 = new DefaultMapping.Builder();
+        DeviceId deviceId1 = DeviceId.deviceId("lisp:10.1.1.1");
+        MappingKey mappingKey1 = new DefaultMappingKey();
+        MappingValue mappingValue1 = new DefaultMappingValue();
+
+        mapping1 = builder1
+                        .withId(1)
+                        .withKey(mappingKey1)
+                        .withValue(mappingValue1)
+                        .forDevice(deviceId1)
+                        .build();
+
+        Mapping.Builder builder2 = new DefaultMapping.Builder();
+
+        sameAsMapping1 = builder2
+                        .withId(1)
+                        .withKey(mappingKey1)
+                        .withValue(mappingValue1)
+                        .forDevice(deviceId1)
+                        .build();
+
+        Mapping.Builder builder3 = new DefaultMapping.Builder();
+        DeviceId deviceId2 = DeviceId.deviceId("lisp:10.1.1.2");
+
+        mapping2 = builder3
+                        .withId(2)
+                        .withKey(new DefaultMappingKey())
+                        .withValue(new DefaultMappingValue())
+                        .forDevice(deviceId2)
+                        .build();
+    }
+
+    /**
+     * Checks that the DefaultMapping class is immutable but can be inherited from.
+     */
+    @Test
+    public void testImmutability() {
+        assertThatClassIsImmutableBaseClass(DefaultMapping.class);
+    }
+
+    /**
+     * Tests the equals, hashCode and toString methods using Guava EqualsTester.
+     */
+    @Test
+    public void testEquality() {
+        new EqualsTester()
+                .addEqualityGroup(mapping1, sameAsMapping1)
+                .addEqualityGroup(mapping2).testEquals();
+    }
+
+    /**
+     * Tests creation of a DefaultMapping using a mapping builder.
+     */
+    @Test
+    public void testConstruction() {
+        DefaultMapping mapping = (DefaultMapping) mapping1;
+
+        assertThat(mapping.deviceId(), is(DeviceId.deviceId("lisp:10.1.1.1")));
+        assertThat(mapping.id(), is(MappingId.valueOf(1)));
+    }
+}
diff --git a/apps/mappingmanagement/api/src/test/java/org/onosproject/mapping/MappingEventTest.java b/apps/mappingmanagement/api/src/test/java/org/onosproject/mapping/MappingEventTest.java
new file mode 100644
index 0000000..35a33db
--- /dev/null
+++ b/apps/mappingmanagement/api/src/test/java/org/onosproject/mapping/MappingEventTest.java
@@ -0,0 +1,87 @@
+/*
+ * Copyright 2017-present Open Networking Laboratory
+ *
+ * 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.onosproject.mapping;
+
+import com.google.common.testing.EqualsTester;
+import org.junit.Before;
+import org.junit.Test;
+import org.onosproject.event.AbstractEventTest;
+import org.onosproject.net.DeviceId;
+
+import java.util.concurrent.TimeUnit;
+
+/**
+ * Unit tests for the MappingEvent class.
+ */
+public class MappingEventTest extends AbstractEventTest {
+
+    private MappingEvent event1;
+    private MappingEvent sameAsEvent1;
+    private MappingEvent event2;
+
+    /**
+     * Creates a mock of mapping object from mappingId and deviceId.
+     *
+     * @param mid mapping identifier
+     * @param did device identifier
+     * @return mock of mapping object
+     */
+    private Mapping mockMapping(long mid, String did) {
+        Mapping.Builder builder = new DefaultMapping.Builder();
+        DeviceId deviceId = DeviceId.deviceId(did);
+
+        return builder
+                .withId(mid)
+                .withKey(new DefaultMappingKey())
+                .withValue(new DefaultMappingValue())
+                .forDevice(deviceId)
+                .build();
+    }
+
+    @Before
+    public void setup() {
+        final Mapping mapping1 = mockMapping(1, "lisp:10.1.1.1");
+        final Mapping mapping2 = mockMapping(2, "lisp:10.1.1.2");
+
+        event1 = new MappingEvent(MappingEvent.Type.MAPPING_ADDED, mapping1);
+        sameAsEvent1 = new MappingEvent(MappingEvent.Type.MAPPING_ADDED, mapping1);
+        event2 = new MappingEvent(MappingEvent.Type.MAPPING_ADD_REQUESTED, mapping2);
+    }
+
+    /**
+     * Tests the equals, hashCode and toString methods using Guava EqualsTester.
+     */
+    @Test
+    public void testEquals() {
+        new EqualsTester()
+                .addEqualityGroup(event1)
+                .addEqualityGroup(sameAsEvent1)
+                .addEqualityGroup(event2)
+                .testEquals();
+    }
+
+    /**
+     * Tests creation of a MappingEvent.
+     */
+    @Test
+    public void testConstructor() {
+        final long time = System.currentTimeMillis();
+        final Mapping mapping = mockMapping(1, "lisp:10.1.1.1");
+        final MappingEvent event = new MappingEvent(MappingEvent.Type.MAPPING_UPDATED, mapping);
+        validateEvent(event, MappingEvent.Type.MAPPING_UPDATED, mapping, time,
+                time + TimeUnit.SECONDS.toMillis(30));
+    }
+}
diff --git a/apps/mappingmanagement/api/src/test/java/org/onosproject/mapping/MappingIdTest.java b/apps/mappingmanagement/api/src/test/java/org/onosproject/mapping/MappingIdTest.java
new file mode 100644
index 0000000..0acdcaa
--- /dev/null
+++ b/apps/mappingmanagement/api/src/test/java/org/onosproject/mapping/MappingIdTest.java
@@ -0,0 +1,64 @@
+/*
+ * Copyright 2017-present Open Networking Laboratory
+ *
+ * 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.onosproject.mapping;
+
+import com.google.common.testing.EqualsTester;
+import org.junit.Test;
+
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.is;
+import static org.hamcrest.Matchers.notNullValue;
+import static org.onlab.junit.ImmutableClassChecker.assertThatClassIsImmutable;
+
+/**
+ * Unit tests for mapping id class.
+ */
+public class MappingIdTest {
+
+    final MappingId mappingId1 = MappingId.valueOf(1);
+    final MappingId sameAsMappingId1 = MappingId.valueOf(1);
+    final MappingId mappingId2 = MappingId.valueOf(2);
+
+    /**
+     * Checks that the MappingId class is immutable.
+     */
+    @Test
+    public void testImmutability() {
+        assertThatClassIsImmutable(MappingId.class);
+    }
+
+    /**
+     * Checks the operation of equals(), hashCode() and toString() methods.
+     */
+    @Test
+    public void testEquals() {
+        new EqualsTester()
+                .addEqualityGroup(mappingId1, sameAsMappingId1)
+                .addEqualityGroup(mappingId2)
+                .testEquals();
+    }
+
+    /**
+     * Checks the construction of a MappingId object.
+     */
+    @Test
+    public void testConstruction() {
+        final long mappingIdValue = 8888L;
+        final MappingId mappingId = MappingId.valueOf(mappingIdValue);
+        assertThat(mappingId, is(notNullValue()));
+        assertThat(mappingId.value(), is(mappingIdValue));
+    }
+}