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/*
* Copyright 2014-2015 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.common;
import org.junit.Before;
import org.junit.Test;
import org.onlab.packet.ChassisId;
import org.onosproject.net.ConnectPoint;
import org.onosproject.net.DefaultDevice;
import org.onosproject.net.DefaultLink;
import org.onosproject.net.Device;
import org.onosproject.net.DeviceId;
import org.onosproject.net.Link;
import org.onosproject.net.Path;
import org.onosproject.net.PortNumber;
import org.onosproject.net.provider.ProviderId;
import org.onosproject.net.topology.ClusterId;
import org.onosproject.net.topology.DefaultGraphDescription;
import org.onosproject.net.topology.GraphDescription;
import org.onosproject.net.topology.LinkWeight;
import org.onosproject.net.topology.TopologyCluster;
import java.util.Set;
import static com.google.common.collect.ImmutableSet.of;
import static org.junit.Assert.*;
import static org.onosproject.net.DeviceId.deviceId;
import static org.onosproject.net.PortNumber.portNumber;
/**
* Test of the default topology implementation.
*/
public class DefaultTopologyTest {
public static final ProviderId PID = new ProviderId("of", "foo.bar");
public static final DeviceId D1 = deviceId("of:1");
public static final DeviceId D2 = deviceId("of:2");
public static final DeviceId D3 = deviceId("of:3");
public static final DeviceId D4 = deviceId("of:4");
public static final DeviceId D5 = deviceId("of:5");
public static final PortNumber P1 = portNumber(1);
public static final PortNumber P2 = portNumber(2);
public static final LinkWeight WEIGHT = edge ->
edge.src().deviceId().equals(D4) || edge.dst().deviceId().equals(D4)
? 2.0 : 1.0;
private DefaultTopology dt;
@Before
public void setUp() {
long now = System.currentTimeMillis();
Set<Device> devices = of(device("1"), device("2"),
device("3"), device("4"),
device("5"));
Set<Link> links = of(link("1", 1, "2", 1), link("2", 1, "1", 1),
link("3", 2, "2", 2), link("2", 2, "3", 2),
link("1", 3, "4", 3), link("4", 3, "1", 3),
link("3", 4, "4", 4), link("4", 4, "3", 4));
GraphDescription graphDescription =
new DefaultGraphDescription(now, System.currentTimeMillis(), devices, links);
dt = new DefaultTopology(PID, graphDescription);
assertEquals("incorrect supplier", PID, dt.providerId());
assertEquals("incorrect time", now, dt.time());
assertEquals("incorrect device count", 5, dt.deviceCount());
assertEquals("incorrect link count", 8, dt.linkCount());
assertEquals("incorrect cluster count", 2, dt.clusterCount());
assertEquals("incorrect broadcast set size", 6,
dt.broadcastSetSize(ClusterId.clusterId(0)));
}
@Test
public void pathRelated() {
Set<Path> paths = dt.getPaths(D1, D2);
assertEquals("incorrect path count", 1, paths.size());
paths = dt.getPaths(D1, D3);
assertEquals("incorrect path count", 2, paths.size());
paths = dt.getPaths(D1, D5);
assertTrue("no paths expected", paths.isEmpty());
paths = dt.getPaths(D1, D3, WEIGHT);
assertEquals("incorrect path count", 1, paths.size());
}
@Test
public void pointRelated() {
assertTrue("should be infrastructure point",
dt.isInfrastructure(new ConnectPoint(D1, P1)));
assertFalse("should not be infrastructure point",
dt.isInfrastructure(new ConnectPoint(D1, P2)));
}
@Test
public void clusterRelated() {
Set<TopologyCluster> clusters = dt.getClusters();
assertEquals("incorrect cluster count", 2, clusters.size());
TopologyCluster c = dt.getCluster(D1);
Set<DeviceId> devs = dt.getClusterDevices(c);
assertEquals("incorrect cluster device count", 4, devs.size());
assertTrue("cluster should contain D2", devs.contains(D2));
assertFalse("cluster should not contain D5", devs.contains(D5));
}
// Short-hand for creating a link.
public static Link link(String src, int sp, String dst, int dp) {
return new DefaultLink(PID, new ConnectPoint(did(src), portNumber(sp)),
new ConnectPoint(did(dst), portNumber(dp)),
Link.Type.DIRECT);
}
// Crates a new device with the specified id
public static Device device(String id) {
return new DefaultDevice(PID, did(id), Device.Type.SWITCH,
"mfg", "1.0", "1.1", "1234", new ChassisId());
}
// Short-hand for producing a device id from a string
public static DeviceId did(String id) {
return deviceId("of:" + id);
}
}
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