openstack/net-virt/src/test/java/org/opendaylight/ovsdb/openstack/netvirt/impl/NodeCacheManagerImplTest.java

   1 /*
   2  * Copyright (c) 2015 Inocybe and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8
   9 package org.opendaylight.ovsdb.openstack.netvirt.impl;
  10 import static org.junit.Assert.assertEquals;
  11 import static org.mockito.Matchers.any;
  12 import static org.mockito.Mockito.mock;
  13 import static org.mockito.Mockito.when;
  14
  15 import java.lang.reflect.Field;
  16 import java.util.Map;
  17
  18 import org.junit.Test;
  19 import org.junit.runner.RunWith;
  20 import org.mockito.InjectMocks;
  21 import org.mockito.Mock;
  22 import org.mockito.Spy;
  23 import org.opendaylight.ovsdb.openstack.netvirt.NodeCacheManagerEvent;
  24 import org.opendaylight.ovsdb.openstack.netvirt.api.Action;
  25 import org.opendaylight.ovsdb.openstack.netvirt.api.EventDispatcher;
  26 import org.opendaylight.ovsdb.openstack.netvirt.api.NodeCacheListener;
  27 import org.opendaylight.ovsdb.openstack.netvirt.api.Southbound;
  28 import org.opendaylight.ovsdb.utils.servicehelper.ServiceHelper;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeAugmentation;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbNodeAugmentation;
  31 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
  32 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  33
  34 import org.osgi.framework.ServiceReference;
  35 import org.powermock.api.mockito.PowerMockito;
  36 import org.powermock.core.classloader.annotations.PrepareForTest;
  37 import org.powermock.modules.junit4.PowerMockRunner;
  38
  39 import com.google.common.collect.Maps;
  40
  41 /**
  42  * Unit test for {@link NodeCacheManagerImpl}
  43  */
  44 @RunWith(PowerMockRunner.class)
  45 @PrepareForTest(ServiceHelper.class)
  46 public class NodeCacheManagerImplTest {
  47
  48     @InjectMocks private NodeCacheManagerImpl nodeCacheManagerImpl;
  49     @Spy private Map<Long, NodeCacheListener> handlers = Maps.newHashMap();
  50
  51     @Mock private Southbound southbound;
  52
  53     @Test
  54     public void testProcessEvent() {
  55         NodeCacheManagerEvent ev = mock(NodeCacheManagerEvent.class);
  56         Node node = mock(Node.class);
  57         when(node.getNodeId()).thenReturn(mock(NodeId.class));
  58         when(ev.getNode()).thenReturn(node);
  59
  60         when(ev.getAction()).thenReturn(Action.UPDATE);
  61         nodeCacheManagerImpl.processEvent(ev);
  62         assertEquals("Error, did not delete the event", 1, nodeCacheManagerImpl.getNodes().size());
  63
  64         when(ev.getAction()).thenReturn(Action.DELETE);
  65         nodeCacheManagerImpl.processEvent(ev);
  66         assertEquals("Error, did not delete the event", 0, nodeCacheManagerImpl.getNodes().size());
  67     }
  68
  69     @Test
  70     public void testCacheListenerAddedAndRemoved() {
  71         ServiceReference ref = mock(ServiceReference.class);
  72         when(ref.getProperty(org.osgi.framework.Constants.SERVICE_ID)).thenReturn(Long.valueOf(1));
  73
  74         // add
  75         nodeCacheManagerImpl.cacheListenerAdded(ref, mock(NodeCacheListener.class));
  76         assertEquals("Error, cacheListenerAdded() did not add any listener", 1, handlers.size());
  77         // remove
  78         nodeCacheManagerImpl.cacheListenerRemoved(ref);
  79         assertEquals("Error, cacheListenerAdded() did not remove any listener", 0, handlers.size());
  80     }
  81
  82     @Test
  83     public void testGetOvsdbNodes() {
  84         addItem();
  85
  86         when(southbound.extractOvsdbNode(any(Node.class))).thenReturn(mock(OvsdbNodeAugmentation.class));
  87
  88         assertEquals("Error, getOvsdbNodes() did not return the correct value", 1, nodeCacheManagerImpl.getOvsdbNodes().size());
  89     }
  90
  91     @Test
  92     public void testGetBridgeNodes() {
  93         addItem();
  94
  95         when(southbound.getBridge(any(Node.class))).thenReturn(mock(OvsdbBridgeAugmentation.class));
  96
  97         assertEquals("Error, getBridgeNodes() did not return the correct value", 1, nodeCacheManagerImpl.getBridgeNodes().size());
  98     }
  99
 100     @Test
 101     public void testGetNodes() {
 102         addItem();
 103
 104         assertEquals("Error, getNodes() did not return the correct value", 1, nodeCacheManagerImpl.getNodes().size());
 105     }
 106
 107     private void addItem() {
 108         NodeCacheManagerEvent ev = mock(NodeCacheManagerEvent.class);
 109         Node node = mock(Node.class);
 110         when(node.getNodeId()).thenReturn(mock(NodeId.class));
 111         when(ev.getNode()).thenReturn(node);
 112
 113         when(ev.getAction()).thenReturn(Action.UPDATE);
 114         nodeCacheManagerImpl.processEvent(ev);
 115     }
 116
 117     @Test
 118     public void testSetDependencies() throws Exception {
 119         Southbound southbound = mock(Southbound.class);
 120         EventDispatcher eventDispatcher = mock(EventDispatcher.class);
 121
 122         PowerMockito.mockStatic(ServiceHelper.class);
 123         PowerMockito.when(ServiceHelper.getGlobalInstance(Southbound.class, nodeCacheManagerImpl)).thenReturn(southbound);
 124         PowerMockito.when(ServiceHelper.getGlobalInstance(EventDispatcher.class, nodeCacheManagerImpl)).thenReturn(eventDispatcher);
 125
 126         nodeCacheManagerImpl.setDependencies(mock(ServiceReference.class));
 127
 128         assertEquals("Error, did not return the correct object", getField("southbound"), southbound);
 129         assertEquals("Error, did not return the correct object", getSuperField("eventDispatcher"), eventDispatcher);
 130     }
 131
 132     private Object getField(String fieldName) throws Exception {
 133         Field field = NodeCacheManagerImpl.class.getDeclaredField(fieldName);
 134         field.setAccessible(true);
 135         return field.get(nodeCacheManagerImpl);
 136     }
 137
 138     private Object getSuperField(String fieldName) throws Exception {
 139         Field field = NodeCacheManagerImpl.class.getSuperclass().getDeclaredField(fieldName);
 140         field.setAccessible(true);
 141         return field.get(nodeCacheManagerImpl);
 142     }
 143 }