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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.routing.config.impl;
import com.google.common.collect.Maps;
import com.google.common.collect.Sets;
import org.junit.Before;
import org.junit.Test;
import org.onlab.packet.IpAddress;
import org.onlab.packet.IpPrefix;
import org.onlab.packet.MacAddress;
import org.onlab.packet.VlanId;
import org.onosproject.net.ConnectPoint;
import org.onosproject.net.DeviceId;
import org.onosproject.net.PortNumber;
import org.onosproject.net.host.HostService;
import org.onosproject.net.host.InterfaceIpAddress;
import org.onosproject.net.host.PortAddresses;
import org.onosproject.routing.config.Interface;
import java.util.Collections;
import java.util.Map;
import java.util.Set;
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.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
/**
* Unit tests for the HostToInterfaceAdaptor class.
*/
public class HostToInterfaceAdaptorTest {
private HostService hostService;
private HostToInterfaceAdaptor adaptor;
private Set<PortAddresses> portAddresses;
private Map<ConnectPoint, Interface> interfaces;
private static final ConnectPoint CP1 = new ConnectPoint(
DeviceId.deviceId("of:1"), PortNumber.portNumber(1));
private static final ConnectPoint CP2 = new ConnectPoint(
DeviceId.deviceId("of:1"), PortNumber.portNumber(2));
private static final ConnectPoint CP3 = new ConnectPoint(
DeviceId.deviceId("of:2"), PortNumber.portNumber(1));
private static final ConnectPoint NON_EXISTENT_CP = new ConnectPoint(
DeviceId.deviceId("doesnotexist"), PortNumber.portNumber(1));
@Before
public void setUp() throws Exception {
hostService = createMock(HostService.class);
portAddresses = Sets.newHashSet();
interfaces = Maps.newHashMap();
InterfaceIpAddress ia11 =
new InterfaceIpAddress(IpAddress.valueOf("192.168.1.1"),
IpPrefix.valueOf("192.168.1.0/24"));
createPortAddressesAndInterface(CP1,
Sets.newHashSet(ia11),
MacAddress.valueOf("00:00:00:00:00:01"),
VlanId.NONE);
// Two addresses in the same subnet
InterfaceIpAddress ia21 =
new InterfaceIpAddress(IpAddress.valueOf("192.168.2.1"),
IpPrefix.valueOf("192.168.2.0/24"));
InterfaceIpAddress ia22 =
new InterfaceIpAddress(IpAddress.valueOf("192.168.2.2"),
IpPrefix.valueOf("192.168.2.0/24"));
createPortAddressesAndInterface(CP2,
Sets.newHashSet(ia21, ia22),
MacAddress.valueOf("00:00:00:00:00:02"),
VlanId.vlanId((short) 4));
// Two addresses in different subnets
InterfaceIpAddress ia31 =
new InterfaceIpAddress(IpAddress.valueOf("192.168.3.1"),
IpPrefix.valueOf("192.168.3.0/24"));
InterfaceIpAddress ia41 =
new InterfaceIpAddress(IpAddress.valueOf("192.168.4.1"),
IpPrefix.valueOf("192.168.4.0/24"));
createPortAddressesAndInterface(CP3,
Sets.newHashSet(ia31, ia41),
MacAddress.valueOf("00:00:00:00:00:03"),
VlanId.NONE);
expect(hostService.getAddressBindings()).andReturn(portAddresses).anyTimes();
replay(hostService);
adaptor = new HostToInterfaceAdaptor(hostService);
}
/**
* Creates both a PortAddresses and an Interface for the given inputs and
* places them in the correct global data stores.
*
* @param cp the connect point
* @param ipAddresses the set of interface IP addresses
* @param mac the MAC address
* @param vlan the VLAN ID
*/
private void createPortAddressesAndInterface(
ConnectPoint cp, Set<InterfaceIpAddress> ipAddresses,
MacAddress mac, VlanId vlan) {
PortAddresses pa = new PortAddresses(cp, ipAddresses, mac, vlan);
portAddresses.add(pa);
expect(hostService.getAddressBindingsForPort(cp)).andReturn(
Collections.singleton(pa)).anyTimes();
Interface intf = new Interface(cp, ipAddresses, mac, vlan);
interfaces.put(cp, intf);
}
/**
* Tests {@link HostToInterfaceAdaptor#getInterfaces()}.
* Verifies that the set of interfaces returned matches what is expected
* based on the input PortAddresses data.
*/
@Test
public void testGetInterfaces() {
Set<Interface> adaptorIntfs = adaptor.getInterfaces();
assertEquals(3, adaptorIntfs.size());
assertTrue(adaptorIntfs.contains(this.interfaces.get(CP1)));
assertTrue(adaptorIntfs.contains(this.interfaces.get(CP2)));
assertTrue(adaptorIntfs.contains(this.interfaces.get(CP3)));
}
/**
* Tests {@link HostToInterfaceAdaptor#getInterface(ConnectPoint)}.
* Verifies that the correct interface is returned for a given connect
* point.
*/
@Test
public void testGetInterface() {
assertEquals(this.interfaces.get(CP1), adaptor.getInterface(CP1));
assertEquals(this.interfaces.get(CP2), adaptor.getInterface(CP2));
assertEquals(this.interfaces.get(CP3), adaptor.getInterface(CP3));
// Try and get an interface for a connect point with no addresses
reset(hostService);
expect(hostService.getAddressBindingsForPort(NON_EXISTENT_CP))
.andReturn(Collections.<PortAddresses>emptySet()).anyTimes();
replay(hostService);
assertNull(adaptor.getInterface(NON_EXISTENT_CP));
}
/**
* Tests {@link HostToInterfaceAdaptor#getInterface(ConnectPoint)} in the
* case that the input connect point is null.
* Verifies that a NullPointerException is thrown.
*/
@Test(expected = NullPointerException.class)
public void testGetInterfaceNull() {
ConnectPoint c = null;
adaptor.getInterface(c);
}
/**
* Tests {@link HostToInterfaceAdaptor#getMatchingInterface(IpAddress)}.
* Verifies that the correct interface is returned based on the given IP
* address.
*/
@Test
public void testGetMatchingInterface() {
assertEquals(this.interfaces.get(CP1),
adaptor.getMatchingInterface(IpAddress.valueOf("192.168.1.100")));
assertEquals(this.interfaces.get(CP2),
adaptor.getMatchingInterface(IpAddress.valueOf("192.168.2.100")));
assertEquals(this.interfaces.get(CP3),
adaptor.getMatchingInterface(IpAddress.valueOf("192.168.3.100")));
assertEquals(this.interfaces.get(CP3),
adaptor.getMatchingInterface(IpAddress.valueOf("192.168.4.100")));
// Try and match an address we don't have subnet configured for
assertNull(adaptor.getMatchingInterface(IpAddress.valueOf("1.1.1.1")));
}
/**
* Tests {@link HostToInterfaceAdaptor#getMatchingInterface(IpAddress)} in the
* case that the input IP address is null.
* Verifies that a NullPointerException is thrown.
*/
@Test(expected = NullPointerException.class)
public void testGetMatchingInterfaceNull() {
adaptor.getMatchingInterface(null);
}
}
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