Pingping
Committed by Pavlin Radoslavov

Unit test to Router class with Async ARP

Change-Id: I3797433ae5dcce06425159887e42ee75bcf621e4
......@@ -69,6 +69,8 @@ import com.google.common.collect.Sets;
/**
* This class tests adding a route, updating a route, deleting a route,
* and adding a route whose next hop is the local BGP speaker.
* <p/>
* ARP module answers the MAC address synchronously.
*/
public class RouterTest {
......
package org.onlab.onos.sdnip;
import static org.easymock.EasyMock.anyObject;
import static org.easymock.EasyMock.createMock;
import static org.easymock.EasyMock.expect;
import static org.easymock.EasyMock.replay;
import static org.easymock.EasyMock.reset;
import static org.easymock.EasyMock.verify;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import org.junit.Before;
import org.junit.Test;
import org.onlab.junit.TestUtils;
import org.onlab.junit.TestUtils.TestUtilsException;
import org.onlab.onos.ApplicationId;
import org.onlab.onos.net.ConnectPoint;
import org.onlab.onos.net.DefaultHost;
import org.onlab.onos.net.DeviceId;
import org.onlab.onos.net.Host;
import org.onlab.onos.net.HostId;
import org.onlab.onos.net.HostLocation;
import org.onlab.onos.net.PortNumber;
import org.onlab.onos.net.flow.DefaultTrafficSelector;
import org.onlab.onos.net.flow.DefaultTrafficTreatment;
import org.onlab.onos.net.flow.TrafficSelector;
import org.onlab.onos.net.flow.TrafficTreatment;
import org.onlab.onos.net.host.HostEvent;
import org.onlab.onos.net.host.HostService;
import org.onlab.onos.net.host.InterfaceIpAddress;
import org.onlab.onos.net.intent.IntentService;
import org.onlab.onos.net.intent.MultiPointToSinglePointIntent;
import org.onlab.onos.net.provider.ProviderId;
import org.onlab.onos.sdnip.Router.InternalHostListener;
import org.onlab.onos.sdnip.config.BgpPeer;
import org.onlab.onos.sdnip.config.Interface;
import org.onlab.onos.sdnip.config.SdnIpConfigService;
import org.onlab.packet.Ethernet;
import org.onlab.packet.IpAddress;
import org.onlab.packet.IpPrefix;
import org.onlab.packet.MacAddress;
import org.onlab.packet.VlanId;
import com.google.common.collect.Sets;
import com.googlecode.concurrenttrees.radix.node.concrete.DefaultByteArrayNodeFactory;
import com.googlecode.concurrenttrees.radixinverted.ConcurrentInvertedRadixTree;
import com.googlecode.concurrenttrees.radixinverted.InvertedRadixTree;
/**
* This class tests adding a route, updating a route, deleting a route, and
* the ARP module answers the MAC address asynchronously.
*/
public class RouterTestWithAsyncArp {
private SdnIpConfigService sdnIpConfigService;
private InterfaceService interfaceService;
private IntentService intentService;
private HostService hostService;
private static final ConnectPoint SW1_ETH1 = new ConnectPoint(
DeviceId.deviceId("of:0000000000000001"),
PortNumber.portNumber(1));
private static final ConnectPoint SW2_ETH1 = new ConnectPoint(
DeviceId.deviceId("of:0000000000000002"),
PortNumber.portNumber(1));
private static final ConnectPoint SW3_ETH1 = new ConnectPoint(
DeviceId.deviceId("of:0000000000000003"),
PortNumber.portNumber(1));
private Router router;
private InternalHostListener internalHostListener;
private static final ApplicationId APPID = new ApplicationId() {
@Override
public short id() {
return 1;
}
@Override
public String name() {
return "SDNIP";
}
};
@Before
public void setUp() throws Exception {
setUpSdnIpConfigService();
setUpInterfaceService();
hostService = createMock(HostService.class);
intentService = createMock(IntentService.class);
router = new Router(APPID, intentService,
hostService, sdnIpConfigService, interfaceService);
internalHostListener = router.new InternalHostListener();
}
/**
* Sets up SdnIpConfigService.
*/
private void setUpSdnIpConfigService() {
sdnIpConfigService = createMock(SdnIpConfigService.class);
Map<IpAddress, BgpPeer> peers = new HashMap<>();
String peerSw1Eth1 = "192.168.10.1";
peers.put(IpAddress.valueOf(peerSw1Eth1),
new BgpPeer("00:00:00:00:00:00:00:01", 1, peerSw1Eth1));
// Two BGP peers are connected to switch 2 port 1.
String peer1Sw2Eth1 = "192.168.20.1";
peers.put(IpAddress.valueOf(peer1Sw2Eth1),
new BgpPeer("00:00:00:00:00:00:00:02", 1, peer1Sw2Eth1));
String peer2Sw2Eth1 = "192.168.20.2";
peers.put(IpAddress.valueOf(peer2Sw2Eth1),
new BgpPeer("00:00:00:00:00:00:00:02", 1, peer2Sw2Eth1));
expect(sdnIpConfigService.getBgpPeers()).andReturn(peers).anyTimes();
replay(sdnIpConfigService);
}
/**
* Sets up InterfaceService.
*/
private void setUpInterfaceService() {
interfaceService = createMock(InterfaceService.class);
Set<Interface> interfaces = Sets.newHashSet();
Set<InterfaceIpAddress> interfaceIpAddresses1 = Sets.newHashSet();
interfaceIpAddresses1.add(new InterfaceIpAddress(
IpAddress.valueOf("192.168.10.101"),
IpPrefix.valueOf("192.168.10.0/24")));
Interface sw1Eth1 = new Interface(SW1_ETH1,
interfaceIpAddresses1, MacAddress.valueOf("00:00:00:00:00:01"));
interfaces.add(sw1Eth1);
Set<InterfaceIpAddress> interfaceIpAddresses2 = Sets.newHashSet();
interfaceIpAddresses2.add(new InterfaceIpAddress(
IpAddress.valueOf("192.168.20.101"),
IpPrefix.valueOf("192.168.20.0/24")));
Interface sw2Eth1 = new Interface(SW2_ETH1,
interfaceIpAddresses2, MacAddress.valueOf("00:00:00:00:00:02"));
interfaces.add(sw2Eth1);
Set<InterfaceIpAddress> interfaceIpAddresses3 = Sets.newHashSet();
interfaceIpAddresses3.add(new InterfaceIpAddress(
IpAddress.valueOf("192.168.30.101"),
IpPrefix.valueOf("192.168.30.0/24")));
Interface sw3Eth1 = new Interface(SW3_ETH1,
interfaceIpAddresses3, MacAddress.valueOf("00:00:00:00:00:03"));
interfaces.add(sw3Eth1);
expect(interfaceService.getInterface(SW1_ETH1)).andReturn(sw1Eth1).anyTimes();
expect(interfaceService.getInterface(SW2_ETH1)).andReturn(sw2Eth1).anyTimes();
expect(interfaceService.getInterface(SW3_ETH1)).andReturn(sw3Eth1).anyTimes();
expect(interfaceService.getInterfaces()).andReturn(interfaces).anyTimes();
replay(interfaceService);
}
/**
* This method tests adding a route entry.
*/
@Test
public void testProcessRouteAdd() throws TestUtilsException {
// Construct a route entry
RouteEntry routeEntry = new RouteEntry(
IpPrefix.valueOf("1.1.1.0/24"),
IpAddress.valueOf("192.168.10.1"));
// Construct a route intent
MultiPointToSinglePointIntent intent = staticIntentBuilder();
// Set up test expectation
reset(hostService);
expect(hostService.getHostsByIp(anyObject(IpPrefix.class))).andReturn(
new HashSet<Host>()).anyTimes();
hostService.startMonitoringIp(IpAddress.valueOf("192.168.10.1"));
replay(hostService);
reset(intentService);
intentService.submit(intent);
replay(intentService);
// Call the processRouteAdd() method in Router class
router.leaderChanged(true);
TestUtils.setField(router, "isActivatedLeader", true);
router.processRouteAdd(routeEntry);
Host host = new DefaultHost(ProviderId.NONE, HostId.NONE,
MacAddress.valueOf("00:00:00:00:00:01"), VlanId.NONE,
new HostLocation(
SW1_ETH1.deviceId(),
SW1_ETH1.port(), 1),
Sets.newHashSet(IpPrefix.valueOf("192.168.10.1/32")));
internalHostListener.event(
new HostEvent(HostEvent.Type.HOST_ADDED, host));
// Verify
assertEquals(router.getRoutes().size(), 1);
assertTrue(router.getRoutes().contains(routeEntry));
assertEquals(router.getPushedRouteIntents().size(), 1);
assertEquals(router.getPushedRouteIntents().iterator().next(),
intent);
verify(intentService);
verify(hostService);
}
/**
* This method tests updating a route entry.
*
* @throws TestUtilsException
*/
@Test
public void testRouteUpdate() throws TestUtilsException {
// Construct the existing route entry
RouteEntry routeEntry = new RouteEntry(
IpPrefix.valueOf("1.1.1.0/24"),
IpAddress.valueOf("192.168.10.1"));
// Construct the existing MultiPointToSinglePointIntent intent
MultiPointToSinglePointIntent intent = staticIntentBuilder();
// Set up the bgpRoutes field of Router class with existing route, and
// pushedRouteIntents field with the corresponding existing intent
setBgpRoutesField(routeEntry);
setPushedRouteIntentsField(routeEntry, intent);
// Start to construct a new route entry and new intent
RouteEntry routeEntryUpdate = new RouteEntry(
IpPrefix.valueOf("1.1.1.0/24"),
IpAddress.valueOf("192.168.20.1"));
// Construct a new MultiPointToSinglePointIntent intent
TrafficSelector.Builder selectorBuilderNew =
DefaultTrafficSelector.builder();
selectorBuilderNew.matchEthType(Ethernet.TYPE_IPV4).matchIPDst(
routeEntryUpdate.prefix());
TrafficTreatment.Builder treatmentBuilderNew =
DefaultTrafficTreatment.builder();
treatmentBuilderNew.setEthDst(MacAddress.valueOf("00:00:00:00:00:02"));
Set<ConnectPoint> ingressPointsNew = new HashSet<ConnectPoint>();
ingressPointsNew.add(SW1_ETH1);
ingressPointsNew.add(SW3_ETH1);
MultiPointToSinglePointIntent intentNew =
new MultiPointToSinglePointIntent(APPID,
selectorBuilderNew.build(),
treatmentBuilderNew.build(),
ingressPointsNew, SW2_ETH1);
// Set up test expectation
reset(hostService);
expect(hostService.getHostsByIp(anyObject(IpPrefix.class))).andReturn(
new HashSet<Host>()).anyTimes();
hostService.startMonitoringIp(IpAddress.valueOf("192.168.20.1"));
replay(hostService);
reset(intentService);
intentService.withdraw(intent);
intentService.submit(intentNew);
replay(intentService);
// Call the processRouteAdd() method in Router class
router.leaderChanged(true);
TestUtils.setField(router, "isActivatedLeader", true);
router.processRouteAdd(routeEntryUpdate);
Host host = new DefaultHost(ProviderId.NONE, HostId.NONE,
MacAddress.valueOf("00:00:00:00:00:02"), VlanId.NONE,
new HostLocation(
SW2_ETH1.deviceId(),
SW2_ETH1.port(), 1),
Sets.newHashSet(IpPrefix.valueOf("192.168.20.1/32")));
internalHostListener.event(
new HostEvent(HostEvent.Type.HOST_ADDED, host));
// Verify
assertEquals(router.getRoutes().size(), 1);
assertTrue(router.getRoutes().contains(routeEntryUpdate));
assertEquals(router.getPushedRouteIntents().size(), 1);
assertEquals(router.getPushedRouteIntents().iterator().next(),
intentNew);
verify(intentService);
verify(hostService);
}
/**
* This method tests deleting a route entry.
*/
@Test
public void testProcessRouteDelete() throws TestUtilsException {
// Construct the existing route entry
RouteEntry routeEntry = new RouteEntry(
IpPrefix.valueOf("1.1.1.0/24"),
IpAddress.valueOf("192.168.10.1"));
// Construct the existing MultiPointToSinglePointIntent intent
MultiPointToSinglePointIntent intent = staticIntentBuilder();
// Set up the bgpRoutes field of Router class with existing route, and
// pushedRouteIntents field with the corresponding existing intent
setBgpRoutesField(routeEntry);
setPushedRouteIntentsField(routeEntry, intent);
// Set up expectation
reset(intentService);
intentService.withdraw(intent);
replay(intentService);
// Call route deleting method in Router class
router.leaderChanged(true);
TestUtils.setField(router, "isActivatedLeader", true);
router.processRouteDelete(routeEntry);
// Verify
assertEquals(router.getRoutes().size(), 0);
assertEquals(router.getPushedRouteIntents().size(), 0);
verify(intentService);
}
/**
* Constructs a static MultiPointToSinglePointIntent.
*/
private MultiPointToSinglePointIntent staticIntentBuilder() {
TrafficSelector.Builder selectorBuilder =
DefaultTrafficSelector.builder();
selectorBuilder.matchEthType(Ethernet.TYPE_IPV4).matchIPDst(
IpPrefix.valueOf("1.1.1.0/24"));
TrafficTreatment.Builder treatmentBuilder =
DefaultTrafficTreatment.builder();
treatmentBuilder.setEthDst(MacAddress.valueOf("00:00:00:00:00:01"));
Set<ConnectPoint> ingressPoints = new HashSet<ConnectPoint>();
ingressPoints.add(SW2_ETH1);
ingressPoints.add(SW3_ETH1);
MultiPointToSinglePointIntent intent =
new MultiPointToSinglePointIntent(APPID,
selectorBuilder.build(), treatmentBuilder.build(),
ingressPoints, SW1_ETH1);
return intent;
}
/**
* Sets bgpRoutesField in Router class.
*
* @throws TestUtilsException
*/
private void setBgpRoutesField(RouteEntry routeEntry)
throws TestUtilsException {
InvertedRadixTree<RouteEntry> bgpRoutes =
new ConcurrentInvertedRadixTree<>(
new DefaultByteArrayNodeFactory());
bgpRoutes.put(RouteEntry.createBinaryString(routeEntry.prefix()),
routeEntry);
TestUtils.setField(router, "bgpRoutes", bgpRoutes);
}
/**
* Sets pushedRouteIntentsField in Router class.
*
* @throws TestUtilsException
*/
private void setPushedRouteIntentsField(RouteEntry routeEntry,
MultiPointToSinglePointIntent intent)
throws TestUtilsException {
ConcurrentHashMap<IpPrefix, MultiPointToSinglePointIntent>
pushedRouteIntents = new ConcurrentHashMap<>();
pushedRouteIntents.put(routeEntry.prefix(), intent);
TestUtils.setField(router, "pushedRouteIntents", pushedRouteIntents);
}
}
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