diff --git a/apps/openstacktelemetry/app/src/test/java/org/onosproject/openstacktelemetry/impl/TestDefaultFlowInfo.java b/apps/openstacktelemetry/app/src/test/java/org/onosproject/openstacktelemetry/impl/TestDefaultFlowInfo.java
new file mode 100644
index 0000000..e661672
--- /dev/null
+++ b/apps/openstacktelemetry/app/src/test/java/org/onosproject/openstacktelemetry/impl/TestDefaultFlowInfo.java
@@ -0,0 +1,151 @@
+/*
+ * Copyright 2018-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.onosproject.openstacktelemetry.impl;
+
+import com.google.common.testing.EqualsTester;
+import org.junit.Before;
+import org.junit.Test;
+import org.onlab.packet.IpAddress;
+import org.onlab.packet.IpPrefix;
+import org.onlab.packet.MacAddress;
+import org.onlab.packet.VlanId;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.PortNumber;
+import org.onosproject.openstacktelemetry.api.FlowInfo;
+import org.onosproject.openstacktelemetry.api.StatsInfo;
+
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.is;
+
+/**
+ * Unit tests for DefaultFlowInfo class.
+ */
+public final class TestDefaultFlowInfo {
+
+    private static final String IP_ADDRESS_1 = "10.10.10.1";
+    private static final String IP_ADDRESS_2 = "20.20.20.1";
+
+    private static final String MAC_ADDRESS_1 = "AA:BB:CC:DD:EE:FF";
+    private static final String MAC_ADDRESS_2 = "FF:EE:DD:CC:BB:AA";
+
+    private static final int IP_PREFIX_LENGTH_1 = 10;
+    private static final int IP_PREFIX_LENGTH_2 = 20;
+
+    private static final int PORT_1 = 1000;
+    private static final int PORT_2 = 2000;
+
+    private static final int STATIC_INTEGER_1 = 1;
+    private static final int STATIC_INTEGER_2 = 2;
+
+    private static final String STATIC_STRING_1 = "1";
+    private static final String STATIC_STRING_2 = "2";
+
+
+    private FlowInfo info1;
+    private FlowInfo sameAsInfo1;
+    private FlowInfo info2;
+
+    @Before
+    public void setup() {
+
+        FlowInfo.Builder builder1 = new DefaultFlowInfo.DefaultBuilder();
+        FlowInfo.Builder builder2 = new DefaultFlowInfo.DefaultBuilder();
+        FlowInfo.Builder builder3 = new DefaultFlowInfo.DefaultBuilder();
+
+        StatsInfo statsInfo = new DefaultStatsInfo.DefaultBuilder().build();
+
+        info1 = builder1
+                .withFlowType((byte) STATIC_INTEGER_1)
+                .withInputInterfaceId(STATIC_INTEGER_1)
+                .withOutputInterfaceId(STATIC_INTEGER_1)
+                .withDeviceId(DeviceId.deviceId(STATIC_STRING_1))
+                .withSrcIp(IpPrefix.valueOf(
+                        IpAddress.valueOf(IP_ADDRESS_1), IP_PREFIX_LENGTH_1))
+                .withDstIp(IpPrefix.valueOf(
+                        IpAddress.valueOf(IP_ADDRESS_1), IP_PREFIX_LENGTH_1))
+                .withSrcPort(PortNumber.portNumber(PORT_1))
+                .withDstPort(PortNumber.portNumber(PORT_1))
+                .withProtocol((byte) STATIC_INTEGER_1)
+                .withVlanId(VlanId.vlanId(STATIC_STRING_1))
+                .withSrcMac(MacAddress.valueOf(MAC_ADDRESS_1))
+                .withDstMac(MacAddress.valueOf(MAC_ADDRESS_1))
+                .withStatsInfo(statsInfo)
+                .build();
+
+        sameAsInfo1 = builder2
+                .withFlowType((byte) STATIC_INTEGER_1)
+                .withInputInterfaceId(STATIC_INTEGER_1)
+                .withOutputInterfaceId(STATIC_INTEGER_1)
+                .withDeviceId(DeviceId.deviceId(STATIC_STRING_1))
+                .withSrcIp(IpPrefix.valueOf(
+                        IpAddress.valueOf(IP_ADDRESS_1), IP_PREFIX_LENGTH_1))
+                .withDstIp(IpPrefix.valueOf(
+                        IpAddress.valueOf(IP_ADDRESS_1), IP_PREFIX_LENGTH_1))
+                .withSrcPort(PortNumber.portNumber(PORT_1))
+                .withDstPort(PortNumber.portNumber(PORT_1))
+                .withProtocol((byte) STATIC_INTEGER_1)
+                .withVlanId(VlanId.vlanId(STATIC_STRING_1))
+                .withSrcMac(MacAddress.valueOf(MAC_ADDRESS_1))
+                .withDstMac(MacAddress.valueOf(MAC_ADDRESS_1))
+                .withStatsInfo(statsInfo)
+                .build();
+
+        info2 = builder3
+                .withFlowType((byte) STATIC_INTEGER_2)
+                .withInputInterfaceId(STATIC_INTEGER_2)
+                .withOutputInterfaceId(STATIC_INTEGER_2)
+                .withDeviceId(DeviceId.deviceId(STATIC_STRING_2))
+                .withSrcIp(IpPrefix.valueOf(
+                        IpAddress.valueOf(IP_ADDRESS_2), IP_PREFIX_LENGTH_2))
+                .withDstIp(IpPrefix.valueOf(
+                        IpAddress.valueOf(IP_ADDRESS_2), IP_PREFIX_LENGTH_2))
+                .withSrcPort(PortNumber.portNumber(PORT_2))
+                .withDstPort(PortNumber.portNumber(PORT_2))
+                .withProtocol((byte) STATIC_INTEGER_2)
+                .withVlanId(VlanId.vlanId(STATIC_STRING_2))
+                .withSrcMac(MacAddress.valueOf(MAC_ADDRESS_2))
+                .withDstMac(MacAddress.valueOf(MAC_ADDRESS_2))
+                .withStatsInfo(statsInfo)
+                .build();
+    }
+
+    @Test
+    public void testEquality() {
+        new EqualsTester()
+                .addEqualityGroup(info1, sameAsInfo1)
+                .addEqualityGroup(info2).testEquals();
+    }
+
+    @Test
+    public void testConstruction() {
+        FlowInfo info = info1;
+
+        assertThat(info.flowType(), is((byte) STATIC_INTEGER_1));
+        assertThat(info.inputInterfaceId(), is(STATIC_INTEGER_1));
+        assertThat(info.outputInterfaceId(), is(STATIC_INTEGER_1));
+        assertThat(info.deviceId(), is(DeviceId.deviceId(STATIC_STRING_1)));
+        assertThat(info.srcIp(), is(IpPrefix.valueOf(
+                IpAddress.valueOf(IP_ADDRESS_1), IP_PREFIX_LENGTH_1)));
+        assertThat(info.dstIp(), is(IpPrefix.valueOf(
+                IpAddress.valueOf(IP_ADDRESS_1), IP_PREFIX_LENGTH_1)));
+        assertThat(info.srcPort(), is(PortNumber.portNumber(PORT_1)));
+        assertThat(info.dstPort(), is(PortNumber.portNumber(PORT_1)));
+        assertThat(info.protocol(), is((byte) STATIC_INTEGER_1));
+        assertThat(info.vlanId(), is(VlanId.vlanId(STATIC_STRING_1)));
+        assertThat(info.srcMac(), is(MacAddress.valueOf(MAC_ADDRESS_1)));
+        assertThat(info.dstMac(), is(MacAddress.valueOf(MAC_ADDRESS_1)));
+    }
+}
diff --git a/apps/openstacktelemetry/app/src/test/java/org/onosproject/openstacktelemetry/impl/TestDefaultStatsInfo.java b/apps/openstacktelemetry/app/src/test/java/org/onosproject/openstacktelemetry/impl/TestDefaultStatsInfo.java
new file mode 100644
index 0000000..f13b9b7
--- /dev/null
+++ b/apps/openstacktelemetry/app/src/test/java/org/onosproject/openstacktelemetry/impl/TestDefaultStatsInfo.java
@@ -0,0 +1,102 @@
+/*
+ * Copyright 2018-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.onosproject.openstacktelemetry.impl;
+
+import com.google.common.testing.EqualsTester;
+import org.junit.Before;
+import org.junit.Test;
+import org.onosproject.openstacktelemetry.api.StatsInfo;
+
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.is;
+
+/**
+ * Unit tests for DefaultStatsInfo class.
+ */
+public final class TestDefaultStatsInfo {
+
+    private static final int STATIC_INTEGER_1 = 1;
+    private static final int STATIC_INTEGER_2 = 2;
+
+    private StatsInfo info1;
+    private StatsInfo sameAsInfo1;
+    private StatsInfo info2;
+
+    @Before
+    public void setup() {
+        StatsInfo.Builder builder1 = new DefaultStatsInfo.DefaultBuilder();
+        StatsInfo.Builder builder2 = new DefaultStatsInfo.DefaultBuilder();
+        StatsInfo.Builder builder3 = new DefaultStatsInfo.DefaultBuilder();
+
+        info1 = builder1
+                .withStartupTime(STATIC_INTEGER_1)
+                .withCurrAccPkts(STATIC_INTEGER_1)
+                .withCurrAccBytes(STATIC_INTEGER_1)
+                .withPrevAccPkts(STATIC_INTEGER_1)
+                .withPrevAccBytes(STATIC_INTEGER_1)
+                .withFstPktArrTime(STATIC_INTEGER_1)
+                .withLstPktOffset(STATIC_INTEGER_1)
+                .withErrorPkts((short) STATIC_INTEGER_1)
+                .withDropPkts((short) STATIC_INTEGER_1)
+                .build();
+
+        sameAsInfo1 = builder2
+                .withStartupTime(STATIC_INTEGER_1)
+                .withCurrAccPkts(STATIC_INTEGER_1)
+                .withCurrAccBytes(STATIC_INTEGER_1)
+                .withPrevAccPkts(STATIC_INTEGER_1)
+                .withPrevAccBytes(STATIC_INTEGER_1)
+                .withFstPktArrTime(STATIC_INTEGER_1)
+                .withLstPktOffset(STATIC_INTEGER_1)
+                .withErrorPkts((short) STATIC_INTEGER_1)
+                .withDropPkts((short) STATIC_INTEGER_1)
+                .build();
+
+        info2 = builder3
+                .withStartupTime(STATIC_INTEGER_2)
+                .withCurrAccPkts(STATIC_INTEGER_2)
+                .withCurrAccBytes(STATIC_INTEGER_2)
+                .withPrevAccPkts(STATIC_INTEGER_2)
+                .withPrevAccBytes(STATIC_INTEGER_2)
+                .withFstPktArrTime(STATIC_INTEGER_2)
+                .withLstPktOffset(STATIC_INTEGER_2)
+                .withErrorPkts((short) STATIC_INTEGER_2)
+                .withDropPkts((short) STATIC_INTEGER_2)
+                .build();
+    }
+
+    @Test
+    public void testEquality() {
+        new EqualsTester()
+                .addEqualityGroup(info1, sameAsInfo1)
+                .addEqualityGroup(info2).testEquals();
+    }
+
+    @Test
+    public void testConstruction() {
+        StatsInfo info = info1;
+
+        assertThat(info.startupTime(), is((long) STATIC_INTEGER_1));
+        assertThat(info.currAccPkts(), is(STATIC_INTEGER_1));
+        assertThat(info.currAccBytes(), is((long) STATIC_INTEGER_1));
+        assertThat(info.prevAccPkts(), is(STATIC_INTEGER_1));
+        assertThat(info.prevAccBytes(), is((long) STATIC_INTEGER_1));
+        assertThat(info.fstPktArrTime(), is((long) STATIC_INTEGER_1));
+        assertThat(info.lstPktOffset(), is(STATIC_INTEGER_1));
+        assertThat(info.errorPkts(), is((short) STATIC_INTEGER_1));
+        assertThat(info.dropPkts(), is((short) STATIC_INTEGER_1));
+    }
+}