Unit tests for Neighbour Resolution Service.
This patch involves a refactoring to split the neighbour actions
implementation out from the main NeighbourResolutionManager class.
ONOS-5276
Change-Id: I082b401ae9046a1ed983610af05da112bd2683d3
diff --git a/incubator/net/src/test/java/org/onosproject/incubator/net/neighbour/impl/DefaultNeighbourMessageActionsTest.java b/incubator/net/src/test/java/org/onosproject/incubator/net/neighbour/impl/DefaultNeighbourMessageActionsTest.java
new file mode 100644
index 0000000..a0dc4c1
--- /dev/null
+++ b/incubator/net/src/test/java/org/onosproject/incubator/net/neighbour/impl/DefaultNeighbourMessageActionsTest.java
@@ -0,0 +1,168 @@
+/*
+ * Copyright 2016-present Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.onosproject.incubator.net.neighbour.impl;
+
+import com.google.common.collect.ImmutableList;
+import com.google.common.collect.Sets;
+import org.junit.Before;
+import org.junit.Test;
+import org.onlab.packet.ARP;
+import org.onlab.packet.Ethernet;
+import org.onlab.packet.Ip4Address;
+import org.onlab.packet.IpAddress;
+import org.onlab.packet.MacAddress;
+import org.onlab.packet.VlanId;
+import org.onosproject.incubator.net.intf.Interface;
+import org.onosproject.net.ConnectPoint;
+import org.onosproject.net.edge.EdgePortServiceAdapter;
+import org.onosproject.net.flow.DefaultTrafficTreatment;
+import org.onosproject.net.flow.TrafficTreatment;
+import org.onosproject.net.packet.DefaultOutboundPacket;
+import org.onosproject.net.packet.OutboundPacket;
+import org.onosproject.net.packet.PacketService;
+
+import java.nio.ByteBuffer;
+import java.util.Collections;
+import java.util.List;
+
+import static org.easymock.EasyMock.createMock;
+import static org.easymock.EasyMock.expectLastCall;
+import static org.easymock.EasyMock.replay;
+import static org.easymock.EasyMock.verify;
+import static org.onosproject.incubator.net.neighbour.impl.DefaultNeighbourMessageContext.createContext;
+import static org.onosproject.incubator.net.neighbour.impl.NeighbourTestUtils.createArpRequest;
+import static org.onosproject.incubator.net.neighbour.impl.NeighbourTestUtils.intf;
+
+/**
+ * Unit tests for DefaultNeighbourMessageActions.
+ */
+public class DefaultNeighbourMessageActionsTest {
+
+ private static final ConnectPoint CP1 = ConnectPoint.deviceConnectPoint("of:0000000000000001/1");
+ private static final ConnectPoint CP2 = ConnectPoint.deviceConnectPoint("of:0000000000000001/2");
+ private static final ConnectPoint CP3 = ConnectPoint.deviceConnectPoint("of:0000000000000002/1");
+
+ private static final List<ConnectPoint> EDGE_PORTS =
+ ImmutableList.<ConnectPoint>builder()
+ .add(CP1)
+ .add(CP2)
+ .add(CP3)
+ .build();
+
+ private static final MacAddress MAC1 = MacAddress.valueOf(1);
+ private static final MacAddress MAC2 = MacAddress.valueOf(2);
+ private static final IpAddress IP1 = IpAddress.valueOf(1);
+ private static final IpAddress IP2 = IpAddress.valueOf(2);
+
+ private static final VlanId VLAN1 = VlanId.vlanId((short) 1);
+
+ private static final Interface INTF1 = intf(CP1, IP1, MAC1, VLAN1);
+ private static final Interface INTF2 = intf(CP2, IP2, MAC2, VLAN1);
+
+ private DefaultNeighbourMessageActions actions;
+ private PacketService packetService;
+
+ @Before
+ public void setUp() throws Exception {
+ packetService = createMock(PacketService.class);
+ actions = new DefaultNeighbourMessageActions(packetService, new TestEdgeService());
+ }
+
+ @Test
+ public void reply() throws Exception {
+ Ethernet request = createArpRequest(IP1);
+
+ Ip4Address ip4Address = INTF1.ipAddressesList().get(0).ipAddress().getIp4Address();
+ Ethernet response = ARP.buildArpReply(ip4Address, MAC2, request);
+
+ packetService.emit(outbound(response, CP1));
+ expectLastCall().once();
+ replay(packetService);
+
+ actions.reply(createContext(request, CP1, null), MAC2);
+
+ verify(packetService);
+ }
+
+ @Test
+ public void forwardToConnectPoint() {
+ Ethernet request = createArpRequest(IP1);
+
+ packetService.emit(outbound(request, CP2));
+ expectLastCall().once();
+ replay(packetService);
+
+ actions.forward(createContext(request, CP1, null), CP2);
+
+ verify(packetService);
+ }
+
+ @Test
+ public void forwardToInterface() {
+ Ethernet request = createArpRequest(IP1);
+
+ Ethernet forwardedRequest = (Ethernet) request.clone();
+ forwardedRequest.setSourceMACAddress(INTF2.mac());
+ forwardedRequest.setVlanID(INTF2.vlan().toShort());
+
+ packetService.emit(outbound(forwardedRequest, CP2));
+ expectLastCall().once();
+ replay(packetService);
+
+ actions.forward(createContext(request, CP1, null), INTF2);
+
+ verify(packetService);
+ }
+
+ @Test
+ public void flood() {
+ Ethernet request = createArpRequest(IP1);
+
+ // Expect the packet to be emitted out all ports apart from the in port
+ Sets.difference(Sets.newLinkedHashSet(EDGE_PORTS), Collections.singleton(CP1))
+ .forEach(cp -> {
+ packetService.emit(outbound(request, cp));
+ expectLastCall().once();
+ });
+ replay(packetService);
+
+ actions.flood(createContext(request, CP1, null));
+
+ verify(packetService);
+ }
+
+ private static OutboundPacket outbound(Ethernet packet, ConnectPoint outPort) {
+ TrafficTreatment treatment = DefaultTrafficTreatment.builder().setOutput(outPort.port()).build();
+ return new DefaultOutboundPacket(outPort.deviceId(),
+ treatment, ByteBuffer.wrap(packet.serialize()));
+ }
+
+ private class TestEdgeService extends EdgePortServiceAdapter {
+
+ @Override
+ public boolean isEdgePoint(ConnectPoint point) {
+ return true;
+ }
+
+ @Override
+ public Iterable<ConnectPoint> getEdgePoints() {
+ return EDGE_PORTS;
+ }
+
+ }
+
+}