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

   1 /*
   2  * Copyright (c) 2015, 2016 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.netvirt.openstack.netvirt.impl;
  10
  11 import static org.junit.Assert.assertEquals;
  12 import static org.mockito.Matchers.any;
  13 import static org.mockito.Mockito.mock;
  14 import static org.mockito.Mockito.when;
  15
  16 import java.lang.reflect.Field;
  17 import java.util.HashMap;
  18 import java.util.Map;
  19 import org.junit.Test;
  20 import org.junit.runner.RunWith;
  21 import org.mockito.InjectMocks;
  22 import org.mockito.Mock;
  23 import org.mockito.Spy;
  24 import org.mockito.runners.MockitoJUnitRunner;
  25 import org.opendaylight.netvirt.openstack.netvirt.NodeCacheManagerEvent;
  26 import org.opendaylight.netvirt.openstack.netvirt.api.Action;
  27 import org.opendaylight.netvirt.openstack.netvirt.api.EventDispatcher;
  28 import org.opendaylight.netvirt.openstack.netvirt.api.NodeCacheListener;
  29 import org.opendaylight.netvirt.openstack.netvirt.api.Southbound;
  30 import org.opendaylight.netvirt.utils.servicehelper.ServiceHelper;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeAugmentation;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbNodeAugmentation;
  33 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
  34 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  35 import org.osgi.framework.ServiceReference;
  36
  37 /**
  38  * Unit test for {@link NodeCacheManagerImpl}
  39  */
  40 @RunWith(MockitoJUnitRunner.class)
  41 public class NodeCacheManagerImplTest {
  42
  43     @InjectMocks private NodeCacheManagerImpl nodeCacheManagerImpl;
  44     @Spy private Map<Long, NodeCacheListener> handlers = new HashMap<>();
  45
  46     @Mock private Southbound southbound;
  47
  48     @Test
  49     public void testProcessEvent() {
  50         NodeCacheManagerEvent ev = mock(NodeCacheManagerEvent.class);
  51         Node node = mock(Node.class);
  52         when(node.getNodeId()).thenReturn(mock(NodeId.class));
  53         when(ev.getNode()).thenReturn(node);
  54
  55         when(ev.getAction()).thenReturn(Action.UPDATE);
  56         nodeCacheManagerImpl.processEvent(ev);
  57         assertEquals("Error, did not delete the event", 1, nodeCacheManagerImpl.getNodes().size());
  58
  59         when(ev.getAction()).thenReturn(Action.DELETE);
  60         nodeCacheManagerImpl.processEvent(ev);
  61         assertEquals("Error, did not delete the event", 0, nodeCacheManagerImpl.getNodes().size());
  62     }
  63
  64     @Test
  65     public void testCacheListenerAddedAndRemoved() {
  66         ServiceReference ref = mock(ServiceReference.class);
  67         when(ref.getProperty(org.osgi.framework.Constants.SERVICE_ID)).thenReturn(1L);
  68
  69         // add
  70         nodeCacheManagerImpl.cacheListenerAdded(ref, mock(NodeCacheListener.class));
  71         assertEquals("Error, cacheListenerAdded() did not add any listener", 1, handlers.size());
  72         // remove
  73         nodeCacheManagerImpl.cacheListenerRemoved(ref);
  74         assertEquals("Error, cacheListenerAdded() did not remove any listener", 0, handlers.size());
  75     }
  76
  77     @Test
  78     public void testGetOvsdbNodes() {
  79         addItem();
  80
  81         when(southbound.extractOvsdbNode(any(Node.class))).thenReturn(mock(OvsdbNodeAugmentation.class));
  82
  83         assertEquals("Error, getOvsdbNodes() did not return the correct value", 1, nodeCacheManagerImpl.getOvsdbNodes().size());
  84     }
  85
  86     @Test
  87     public void testGetBridgeNodes() {
  88         addItem();
  89
  90         when(southbound.getBridge(any(Node.class))).thenReturn(mock(OvsdbBridgeAugmentation.class));
  91
  92         assertEquals("Error, getBridgeNodes() did not return the correct value", 1, nodeCacheManagerImpl.getBridgeNodes().size());
  93     }
  94
  95     @Test
  96     public void testGetNodes() {
  97         addItem();
  98
  99         assertEquals("Error, getNodes() did not return the correct value", 1, nodeCacheManagerImpl.getNodes().size());
 100     }
 101
 102     private void addItem() {
 103         NodeCacheManagerEvent ev = mock(NodeCacheManagerEvent.class);
 104         Node node = mock(Node.class);
 105         when(node.getNodeId()).thenReturn(mock(NodeId.class));
 106         when(ev.getNode()).thenReturn(node);
 107
 108         when(ev.getAction()).thenReturn(Action.UPDATE);
 109         nodeCacheManagerImpl.processEvent(ev);
 110     }
 111
 112     @Test
 113     public void testSetDependencies() throws Exception {
 114         Southbound southbound = mock(Southbound.class);
 115         EventDispatcher eventDispatcher = mock(EventDispatcher.class);
 116
 117         ServiceHelper.overrideGlobalInstance(Southbound.class, southbound);
 118         ServiceHelper.overrideGlobalInstance(EventDispatcher.class, eventDispatcher);
 119
 120         nodeCacheManagerImpl.setDependencies(mock(ServiceReference.class));
 121
 122         assertEquals("Error, did not return the correct object", getField("southbound"), southbound);
 123         assertEquals("Error, did not return the correct object", getSuperField("eventDispatcher"), eventDispatcher);
 124     }
 125
 126     private Object getField(String fieldName) throws Exception {
 127         Field field = NodeCacheManagerImpl.class.getDeclaredField(fieldName);
 128         field.setAccessible(true);
 129         return field.get(nodeCacheManagerImpl);
 130     }
 131
 132     private Object getSuperField(String fieldName) throws Exception {
 133         Field field = NodeCacheManagerImpl.class.getSuperclass().getDeclaredField(fieldName);
 134         field.setAccessible(true);
 135         return field.get(nodeCacheManagerImpl);
 136     }
 137 }