applications/lldp-speaker/src/test/java/org/opendaylight/openflowplugin/applications/lldpspeaker/LLDPSpeakerTest.java

   1 /*
   2  * Copyright (c) 2014 Pacnet 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.openflowplugin.applications.lldpspeaker;
  10
  11 import static org.mockito.Matchers.any;
  12 import static org.mockito.Matchers.anyLong;
  13 import static org.mockito.Mockito.never;
  14 import static org.mockito.Mockito.times;
  15 import static org.mockito.Mockito.verify;
  16 import static org.mockito.Mockito.verifyNoMoreInteractions;
  17 import static org.mockito.Mockito.when;
  18
  19 import com.google.common.base.Optional;
  20 import java.util.concurrent.ScheduledExecutorService;
  21 import java.util.concurrent.ScheduledFuture;
  22 import java.util.concurrent.TimeUnit;
  23 import org.junit.Before;
  24 import org.junit.Test;
  25 import org.junit.runner.RunWith;
  26 import org.mockito.Mock;
  27 import org.mockito.runners.MockitoJUnitRunner;
  28 import org.opendaylight.mdsal.eos.binding.api.EntityOwnershipService;
  29 import org.opendaylight.mdsal.eos.common.api.EntityOwnershipState;
  30 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.MacAddress;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNodeConnector;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.port.rev130925.PortNumberUni;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorId;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorRef;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeId;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeRef;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnector;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.PacketProcessingService;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.TransmitPacketInput;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.TransmitPacketInputBuilder;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.openflow.applications.lldp.speaker.rev141023.OperStatus;
  43 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  44
  45 /**
  46  * Tests for {@link LLDPSpeaker}.
  47  */
  48 @RunWith(MockitoJUnitRunner.class)
  49 public class LLDPSpeakerTest {
  50     private static final InstanceIdentifier<NodeConnector> ID = TestUtils.createNodeConnectorId("openflow:1",
  51             "openflow:1:1");
  52     private static final MacAddress MAC_ADDRESS = new MacAddress("01:23:45:67:89:AB");
  53     private static final FlowCapableNodeConnector FLOW_CAPABLE_NODE_CONNECTOR =
  54             TestUtils.createFlowCapableNodeConnector(MAC_ADDRESS, 1L).build();
  55     private static final byte[] LLDP_FRAME = LLDPUtil.buildLldpFrame(new NodeId("openflow:1"),
  56             new NodeConnectorId("openflow:1:1"), MAC_ADDRESS, 1L);
  57     private static final TransmitPacketInput PACKET_INPUT = new TransmitPacketInputBuilder()
  58             .setEgress(new NodeConnectorRef(ID))
  59             .setNode(new NodeRef(ID.firstIdentifierOf(Node.class)))
  60             .setPayload(LLDP_FRAME).build();
  61
  62     @Mock
  63     private PacketProcessingService packetProcessingService;
  64     @Mock
  65     private ScheduledExecutorService scheduledExecutorService;
  66     @Mock
  67     private ScheduledFuture scheduledSpeakerTask;
  68     @Mock
  69     private EntityOwnershipService entityOwnershipService;
  70
  71     private final MacAddress destinationMACAddress = null;
  72     private LLDPSpeaker lldpSpeaker;
  73
  74     @Before
  75     public void setUp() {
  76         when(
  77                 scheduledExecutorService.scheduleAtFixedRate(
  78                         any(Runnable.class), anyLong(), anyLong(),
  79                         any(TimeUnit.class))).thenReturn(scheduledSpeakerTask);
  80         lldpSpeaker = new LLDPSpeaker(packetProcessingService,
  81                 scheduledExecutorService, destinationMACAddress, entityOwnershipService);
  82         when(entityOwnershipService.getOwnershipState(any())).thenReturn(Optional.of(EntityOwnershipState.IS_OWNER));
  83         lldpSpeaker.setOperationalStatus(OperStatus.RUN);
  84     }
  85
  86     /**
  87      * Test that speaker does nothing when in {@link OperStatus.STANDBY} mode.
  88      */
  89     @Test
  90     public void testStandBy() {
  91         lldpSpeaker.setOperationalStatus(OperStatus.STANDBY);
  92         // Add node connector - LLDP packet should be transmitted through
  93         // packetProcessingService
  94         lldpSpeaker.nodeConnectorAdded(ID, FLOW_CAPABLE_NODE_CONNECTOR);
  95
  96         // Execute one iteration of periodic task - LLDP packet should be
  97         // transmitted second time
  98         lldpSpeaker.run();
  99
 100         // Check packet transmission
 101         verify(packetProcessingService, times(1)).transmitPacket(PACKET_INPUT);
 102         verifyNoMoreInteractions(packetProcessingService);
 103     }
 104
 105     /**
 106      * Test that LLDP frame is transmitted after port appeared in inventory and
 107      * periodically after that.
 108      */
 109     @Test
 110     public void testNodeConnectorAdd() {
 111         // Add node connector - LLDP packet should be transmitted through
 112         // packetProcessingService
 113         lldpSpeaker.nodeConnectorAdded(ID, FLOW_CAPABLE_NODE_CONNECTOR);
 114
 115
 116         when(entityOwnershipService.getOwnershipState(any()))
 117                 .thenReturn(Optional.of(EntityOwnershipState.OWNED_BY_OTHER));
 118         // Execute one iteration of periodic task - LLDP packet should be
 119         // not transmit second packet because it doesn't own the device.
 120         lldpSpeaker.run();
 121
 122         // Check packet transmission
 123         verify(packetProcessingService, times(1)).transmitPacket(PACKET_INPUT);
 124         verifyNoMoreInteractions(packetProcessingService);
 125     }
 126
 127     /**
 128      * Test that LLDP frame stop to periodically transmit after port disappeared
 129      * from inventory.
 130      */
 131     @Test
 132     public void testNodeConnectorRemoval() {
 133         // Prepare for test - add node connector first
 134         lldpSpeaker.nodeConnectorAdded(ID, FLOW_CAPABLE_NODE_CONNECTOR);
 135
 136         // Trigger removal of packet
 137         lldpSpeaker.nodeConnectorRemoved(ID);
 138
 139         // Run one iteration of LLDP flood
 140         lldpSpeaker.run();
 141
 142         // Verify that LLDP frame sent only once (by nodeConnectorAdded),
 143         // e.g. no flood after removal
 144         verify(packetProcessingService, times(1)).transmitPacket(PACKET_INPUT);
 145         verifyNoMoreInteractions(packetProcessingService);
 146     }
 147
 148     /**
 149      * Test that when {@link LLDPSpeaker#nodeConnectorAdded} is called multiple times
 150      * with same arguments, only the first one have effect.
 151      */
 152     @Test
 153     public void testMultipleSameNodeConnectorAddEvents() {
 154         // Add node connector - LLDP packet should be transmitted through
 155         // packetProcessingService
 156         for (int i = 0; i < 10; i++) {
 157             lldpSpeaker.nodeConnectorAdded(ID, FLOW_CAPABLE_NODE_CONNECTOR);
 158         }
 159
 160         // Check packet transmission
 161         verify(packetProcessingService, times(1)).transmitPacket(PACKET_INPUT);
 162         verifyNoMoreInteractions(packetProcessingService);
 163     }
 164
 165     /**
 166      * Test that checks if LLDPSpeaker working fine with local ports.
 167      */
 168     @Test
 169     public void testLocalNodeConnectorCreation() {
 170         // Call nodeConnectorAdded with local port
 171         FlowCapableNodeConnector fcnc = TestUtils
 172                 .createFlowCapableNodeConnector()
 173                 .setPortNumber(new PortNumberUni("LOCAL")).build();
 174         lldpSpeaker.nodeConnectorAdded(ID, fcnc);
 175
 176         // Verify that nothing happened for local port
 177         verify(packetProcessingService, never()).transmitPacket(
 178                 any(TransmitPacketInput.class));
 179     }
 180 }