1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
|
/*
* Copyright 2014 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.net.topology.impl;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.onosproject.net.DeviceId;
import org.onosproject.net.ElementId;
import org.onosproject.net.Host;
import org.onosproject.net.HostId;
import org.onosproject.net.Path;
import org.onosproject.net.host.HostServiceAdapter;
import org.onosproject.net.provider.ProviderId;
import org.onosproject.net.topology.LinkWeight;
import org.onosproject.net.topology.PathService;
import org.onosproject.net.topology.Topology;
import org.onosproject.net.topology.TopologyServiceAdapter;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import static org.onosproject.net.NetTestTools.*;
/**
* Test of the path selection subsystem.
*/
public class PathManagerTest {
private static final ProviderId PID = new ProviderId("of", "foo");
private PathManager mgr;
private PathService service;
private FakeTopoMgr fakeTopoMgr = new FakeTopoMgr();
private FakeHostMgr fakeHostMgr = new FakeHostMgr();
@Before
public void setUp() {
mgr = new PathManager();
service = mgr;
mgr.topologyService = fakeTopoMgr;
mgr.hostService = fakeHostMgr;
mgr.activate();
}
@After
public void tearDown() {
mgr.deactivate();
}
@Test
public void infraToInfra() {
DeviceId src = did("src");
DeviceId dst = did("dst");
fakeTopoMgr.paths.add(createPath("src", "middle", "dst"));
Set<Path> paths = service.getPaths(src, dst);
validatePaths(paths, 1, 2, src, dst);
}
@Test
public void infraToEdge() {
DeviceId src = did("src");
HostId dst = hid("12:34:56:78:90:ab/1");
fakeTopoMgr.paths.add(createPath("src", "middle", "edge"));
fakeHostMgr.hosts.put(dst, host("12:34:56:78:90:ab/1", "edge"));
Set<Path> paths = service.getPaths(src, dst);
validatePaths(paths, 1, 3, src, dst);
}
@Test
public void edgeToInfra() {
HostId src = hid("12:34:56:78:90:ab/1");
DeviceId dst = did("dst");
fakeTopoMgr.paths.add(createPath("edge", "middle", "dst"));
fakeHostMgr.hosts.put(src, host("12:34:56:78:90:ab/1", "edge"));
Set<Path> paths = service.getPaths(src, dst);
validatePaths(paths, 1, 3, src, dst);
}
@Test
public void edgeToEdge() {
HostId src = hid("12:34:56:78:90:ab/1");
HostId dst = hid("12:34:56:78:90:ef/1");
fakeTopoMgr.paths.add(createPath("srcEdge", "middle", "dstEdge"));
fakeHostMgr.hosts.put(src, host("12:34:56:78:90:ab/1", "srcEdge"));
fakeHostMgr.hosts.put(dst, host("12:34:56:78:90:ef/1", "dstEdge"));
Set<Path> paths = service.getPaths(src, dst);
validatePaths(paths, 1, 4, src, dst);
}
@Test
public void edgeToEdgeDirect() {
HostId src = hid("12:34:56:78:90:ab/1");
HostId dst = hid("12:34:56:78:90:ef/1");
fakeHostMgr.hosts.put(src, host("12:34:56:78:90:ab/1", "edge"));
fakeHostMgr.hosts.put(dst, host("12:34:56:78:90:ef/1", "edge"));
Set<Path> paths = service.getPaths(src, dst);
validatePaths(paths, 1, 2, src, dst);
}
@Test
public void noEdge() {
Set<Path> paths = service.getPaths(hid("12:34:56:78:90:ab/1"),
hid("12:34:56:78:90:ef/1"));
assertTrue("there should be no paths", paths.isEmpty());
}
// Makes sure the set of paths meets basic expectations.
private void validatePaths(Set<Path> paths, int count, int length,
ElementId src, ElementId dst) {
assertEquals("incorrect path count", count, paths.size());
for (Path path : paths) {
assertEquals("incorrect length", length, path.links().size());
assertEquals("incorrect source", src, path.src().elementId());
assertEquals("incorrect destination", dst, path.dst().elementId());
}
}
// Fake entity to give out paths.
private class FakeTopoMgr extends TopologyServiceAdapter {
Set<Path> paths = new HashSet<>();
@Override
public Set<Path> getPaths(Topology topology, DeviceId src, DeviceId dst) {
return paths;
}
@Override
public Set<Path> getPaths(Topology topology, DeviceId src, DeviceId dst, LinkWeight weight) {
return paths;
}
}
// Fake entity to give out hosts.
private class FakeHostMgr extends HostServiceAdapter {
private Map<HostId, Host> hosts = new HashMap<>();
@Override
public Host getHost(HostId hostId) {
return hosts.get(hostId);
}
}
}
|
