renderers/ios-xe/src/test/java/org/opendaylight/groupbasedpolicy/renderer/ios_xe_provider/impl/listener/IosXeCapableNodeListenerImplTest.java

   1 /*
   2  * Copyright (c) 2016 Cisco Systems, Inc. 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.groupbasedpolicy.renderer.ios_xe_provider.impl.listener;
  10
  11 import java.util.Collections;
  12 import org.junit.After;
  13 import org.junit.Before;
  14 import org.junit.Test;
  15 import org.junit.runner.RunWith;
  16 import org.mockito.Matchers;
  17 import org.mockito.Mock;
  18 import org.mockito.Mockito;
  19 import org.mockito.runners.MockitoJUnitRunner;
  20 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  21 import org.opendaylight.controller.md.sal.binding.api.DataObjectModification;
  22 import org.opendaylight.controller.md.sal.binding.api.DataTreeChangeListener;
  23 import org.opendaylight.controller.md.sal.binding.api.DataTreeIdentifier;
  24 import org.opendaylight.controller.md.sal.binding.api.DataTreeModification;
  25 import org.opendaylight.groupbasedpolicy.renderer.ios_xe_provider.impl.manager.NodeManager;
  26 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
  27 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
  28 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  29 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeBuilder;
  30 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  31
  32 /**
  33  * Test for {@link IosXeCapableNodeListenerImpl}.
  34  */
  35 @RunWith(MockitoJUnitRunner.class)
  36 public class IosXeCapableNodeListenerImplTest {
  37
  38     @Mock
  39     private DataBroker dataBroker;
  40     @Mock
  41     private NodeManager nodeManager;
  42     @Mock
  43     private ListenerRegistration<DataTreeChangeListener<Node>> listenerRegistration;
  44     @Mock
  45     private DataTreeModification<Node> dataTreeModification;
  46     @Mock
  47     private DataObjectModification<Node> rootNode;
  48
  49     private IosXeCapableNodeListenerImpl listener;
  50
  51     @Before
  52     public void setUp() throws Exception {
  53         Mockito.when(dataBroker.registerDataTreeChangeListener(
  54                 Matchers.<DataTreeIdentifier<Node>>any(),
  55                 Matchers.<DataTreeChangeListener<Node>>any()))
  56                 .thenReturn(listenerRegistration);
  57         listener = new IosXeCapableNodeListenerImpl(dataBroker, nodeManager);
  58         Mockito.verify(dataBroker).registerDataTreeChangeListener(
  59                 Matchers.<DataTreeIdentifier<NetworkTopology>>any(),
  60                 Matchers.<DataTreeChangeListener<NetworkTopology>>any());
  61     }
  62
  63     @After
  64     public void tearDown() throws Exception {
  65         Mockito.verifyNoMoreInteractions(dataBroker, nodeManager, listenerRegistration);
  66     }
  67
  68     @Test
  69     public void testOnDataTreeChanged_add() throws Exception {
  70         final Node topologyNode = createNetworkTopologyNode("topology-node-id-1");
  71         Mockito.when(dataTreeModification.getRootNode()).thenReturn(rootNode);
  72         Mockito.when(rootNode.getDataBefore()).thenReturn(topologyNode);
  73         Mockito.when(rootNode.getDataAfter()).thenReturn(null);
  74
  75         listener.onDataTreeChanged(Collections.singleton(dataTreeModification));
  76         Mockito.verify(nodeManager).syncNodes(null, topologyNode);
  77     }
  78
  79
  80     @Test
  81     public void testOnDataTreeChanged_update() throws Exception {
  82         final Node topologyNodeBefore = createNetworkTopologyNode("topology-node-id-1");
  83         final Node topologyNodeAfter = createNetworkTopologyNode("topology-node-id-2");
  84         Mockito.when(dataTreeModification.getRootNode()).thenReturn(rootNode);
  85         Mockito.when(rootNode.getDataBefore()).thenReturn(topologyNodeBefore);
  86         Mockito.when(rootNode.getDataAfter()).thenReturn(topologyNodeAfter);
  87
  88         listener.onDataTreeChanged(Collections.singleton(dataTreeModification));
  89         Mockito.verify(nodeManager).syncNodes(topologyNodeAfter, topologyNodeBefore);
  90     }
  91
  92     @Test
  93     public void testOnDataTreeChanged_remove() throws Exception {
  94         final Node topologyNode = createNetworkTopologyNode("topology-node-id-2");
  95         Mockito.when(dataTreeModification.getRootNode()).thenReturn(rootNode);
  96         Mockito.when(rootNode.getDataBefore()).thenReturn(null);
  97         Mockito.when(rootNode.getDataAfter()).thenReturn(topologyNode);
  98
  99         listener.onDataTreeChanged(Collections.singleton(dataTreeModification));
 100         Mockito.verify(nodeManager).syncNodes(topologyNode, null);
 101     }
 102
 103     private Node createNetworkTopologyNode(final String nodeId) {
 104         return new NodeBuilder()
 105                 .setNodeId(new NodeId(nodeId))
 106                 .build();
 107     }
 108
 109     @Test
 110     public void testClose() throws Exception {
 111         Mockito.verify(listenerRegistration, Mockito.never()).close();
 112         listener.close();
 113         Mockito.verify(listenerRegistration).close();
 114     }
 115 }