--- /dev/null
+/*
+ * Copyright (c) 2015 Inocybe and others. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+
+package org.opendaylight.netvirt.openstack.netvirt.impl;
+
+import static org.junit.Assert.assertEquals;
+import static org.mockito.Mockito.mock;
+
+import java.util.Set;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.InjectMocks;
+import org.mockito.runners.MockitoJUnitRunner;
+import org.opendaylight.controller.sal.binding.api.BindingAwareBroker.ProviderContext;
+import org.opendaylight.netvirt.openstack.netvirt.api.OvsdbInventoryListener;
+
+/**
+ * Unit test for {@link NodeCacheManagerImpl}
+ */
+@RunWith(MockitoJUnitRunner.class)
+public class OvsdbInventoryServiceImplTest {
+
+ @InjectMocks private OvsdbInventoryServiceImpl ovsdbInventoryServiceImpl = new OvsdbInventoryServiceImpl(mock(ProviderContext.class));
+
+
+ @Test
+ public void testListenerAdded() throws Exception{
+ Set<OvsdbInventoryListener> listeners = OvsdbInventoryServiceImpl.getOvsdbInventoryListeners();
+ OvsdbInventoryListener listener = mock(OvsdbInventoryListener.class);
+
+ ovsdbInventoryServiceImpl.listenerAdded(listener);
+ assertEquals("Error, did not add the listener", 1, listeners.size());
+
+ ovsdbInventoryServiceImpl.listenerRemoved(listener);
+ assertEquals("Error, did not delete the listener", 0, listeners.size());
+ }
+}