Refactor with adding unit test for OpenstackNetworkingUtil

Change-Id: Ie116b9215fb53ecc6a06d75da6d29ef2f2cb1d6a
diff --git a/apps/openstacknetworking/app/src/test/java/org/onosproject/openstacknetworking/util/OpenstackNetworkingUtilTest.java b/apps/openstacknetworking/app/src/test/java/org/onosproject/openstacknetworking/util/OpenstackNetworkingUtilTest.java
new file mode 100644
index 0000000..a6c4bc3
--- /dev/null
+++ b/apps/openstacknetworking/app/src/test/java/org/onosproject/openstacknetworking/util/OpenstackNetworkingUtilTest.java
@@ -0,0 +1,59 @@
+/*
+ * 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.openstacknetworking.util;
+
+import com.fasterxml.jackson.databind.node.ObjectNode;
+import com.google.common.testing.EqualsTester;
+import org.apache.commons.io.IOUtils;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.openstack4j.model.network.NetFloatingIP;
+import org.openstack4j.openstack.networking.domain.NeutronFloatingIP;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.nio.charset.StandardCharsets;
+
+public final class OpenstackNetworkingUtilTest {
+
+    private NetFloatingIP floatingIp;
+
+    @Before
+    public void setUp() {
+        floatingIp = NeutronFloatingIP.builder()
+                .floatingNetworkId("floatingNetworkingId")
+                .portId("portId")
+                .build();
+    }
+
+    @After
+    public void tearDown() {
+    }
+
+    /**
+     * Tests the floatingIp translation.
+     */
+    @Test
+    public void testFloatingIp() throws IOException {
+        ObjectNode floatingIpNode =
+                OpenstackNetworkingUtil.modelEntityToJson(floatingIp, NeutronFloatingIP.class);
+        InputStream is = IOUtils.toInputStream(floatingIpNode.toString(), StandardCharsets.UTF_8.name());
+        NetFloatingIP floatingIp2 = (NetFloatingIP)
+                OpenstackNetworkingUtil.jsonToModelEntity(is, NeutronFloatingIP.class);
+        new EqualsTester().addEqualityGroup(floatingIp, floatingIp2).testEquals();
+    }
+}