Thomas Vachuska | 4f1a60c | 2014-10-28 13:39:07 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2014 Open Networking Laboratory |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
tom | ea961ff | 2014-10-01 12:45:15 -0700 | [diff] [blame] | 16 | package org.onlab.onos.store.trivial.impl; |
Ayaka Koshibe | 1743ddb | 2014-09-30 15:24:48 -0700 | [diff] [blame] | 17 | |
| 18 | import java.util.Set; |
| 19 | import java.util.concurrent.atomic.AtomicInteger; |
| 20 | |
| 21 | import org.junit.After; |
| 22 | import org.junit.Before; |
| 23 | import org.junit.Test; |
Ayaka Koshibe | 1743ddb | 2014-09-30 15:24:48 -0700 | [diff] [blame] | 24 | import org.onlab.onos.cluster.NodeId; |
Yuta HIGUCHI | 80912e6 | 2014-10-12 00:15:47 -0700 | [diff] [blame] | 25 | import org.onlab.onos.mastership.MastershipTerm; |
Ayaka Koshibe | 1743ddb | 2014-09-30 15:24:48 -0700 | [diff] [blame] | 26 | import org.onlab.onos.net.DeviceId; |
Ayaka Koshibe | 1743ddb | 2014-09-30 15:24:48 -0700 | [diff] [blame] | 27 | |
| 28 | import com.google.common.collect.Sets; |
| 29 | |
| 30 | import static org.junit.Assert.assertEquals; |
| 31 | import static org.junit.Assert.assertNull; |
| 32 | import static org.junit.Assert.assertTrue; |
Yuta HIGUCHI | 80912e6 | 2014-10-12 00:15:47 -0700 | [diff] [blame] | 33 | import static org.onlab.onos.mastership.MastershipEvent.Type.*; |
Ayaka Koshibe | 1743ddb | 2014-09-30 15:24:48 -0700 | [diff] [blame] | 34 | import static org.onlab.onos.net.MastershipRole.*; |
Ayaka Koshibe | 1743ddb | 2014-09-30 15:24:48 -0700 | [diff] [blame] | 35 | |
| 36 | /** |
| 37 | * Test for the simple MastershipStore implementation. |
| 38 | */ |
| 39 | public class SimpleMastershipStoreTest { |
| 40 | |
Ayaka Koshibe | 1743ddb | 2014-09-30 15:24:48 -0700 | [diff] [blame] | 41 | private static final DeviceId DID1 = DeviceId.deviceId("of:01"); |
| 42 | private static final DeviceId DID2 = DeviceId.deviceId("of:02"); |
| 43 | private static final DeviceId DID3 = DeviceId.deviceId("of:03"); |
| 44 | private static final DeviceId DID4 = DeviceId.deviceId("of:04"); |
| 45 | |
| 46 | private static final NodeId N1 = new NodeId("local"); |
| 47 | private static final NodeId N2 = new NodeId("other"); |
| 48 | |
| 49 | private SimpleMastershipStore sms; |
| 50 | |
| 51 | @Before |
| 52 | public void setUp() throws Exception { |
| 53 | sms = new SimpleMastershipStore(); |
| 54 | sms.activate(); |
| 55 | } |
| 56 | |
| 57 | @After |
| 58 | public void tearDown() throws Exception { |
| 59 | sms.deactivate(); |
| 60 | } |
| 61 | |
| 62 | @Test |
| 63 | public void getRole() { |
| 64 | //special case, no backup or master |
| 65 | put(DID1, N1, false, false); |
| 66 | assertEquals("wrong role", NONE, sms.getRole(N1, DID1)); |
| 67 | |
| 68 | //backup exists but we aren't mapped |
| 69 | put(DID2, N1, false, true); |
| 70 | assertEquals("wrong role", STANDBY, sms.getRole(N1, DID2)); |
| 71 | |
| 72 | //N2 is master |
| 73 | put(DID3, N2, true, true); |
| 74 | assertEquals("wrong role", MASTER, sms.getRole(N2, DID3)); |
| 75 | |
| 76 | //N2 is master but N1 is only in backups set |
| 77 | put(DID4, N2, true, false); |
| 78 | assertEquals("wrong role", STANDBY, sms.getRole(N1, DID4)); |
| 79 | } |
| 80 | |
| 81 | @Test |
| 82 | public void getMaster() { |
| 83 | put(DID3, N2, true, true); |
| 84 | assertEquals("wrong role", MASTER, sms.getRole(N2, DID3)); |
| 85 | assertEquals("wrong device", N2, sms.getMaster(DID3)); |
| 86 | } |
| 87 | |
| 88 | @Test |
| 89 | public void setMaster() { |
| 90 | put(DID1, N1, false, false); |
| 91 | assertEquals("wrong event", MASTER_CHANGED, sms.setMaster(N1, DID1).type()); |
| 92 | assertEquals("wrong role", MASTER, sms.getRole(N1, DID1)); |
| 93 | //set node that's already master - should be ignored |
| 94 | assertNull("wrong event", sms.setMaster(N1, DID1)); |
| 95 | |
| 96 | //set STANDBY to MASTER |
| 97 | put(DID2, N1, false, true); |
| 98 | assertEquals("wrong role", STANDBY, sms.getRole(N1, DID2)); |
| 99 | assertEquals("wrong event", MASTER_CHANGED, sms.setMaster(N1, DID2).type()); |
| 100 | assertEquals("wrong role", MASTER, sms.getRole(N1, DID2)); |
| 101 | } |
| 102 | |
| 103 | @Test |
| 104 | public void getDevices() { |
| 105 | Set<DeviceId> d = Sets.newHashSet(DID1, DID2); |
| 106 | |
| 107 | put(DID1, N2, true, true); |
| 108 | put(DID2, N2, true, true); |
| 109 | put(DID3, N1, true, true); |
| 110 | assertTrue("wrong devices", d.equals(sms.getDevices(N2))); |
| 111 | } |
| 112 | |
| 113 | @Test |
| 114 | public void getTermFor() { |
| 115 | put(DID1, N1, true, true); |
| 116 | assertEquals("wrong term", MastershipTerm.of(N1, 0), sms.getTermFor(DID1)); |
| 117 | |
| 118 | //switch to N2 and back - 2 term switches |
| 119 | sms.setMaster(N2, DID1); |
| 120 | sms.setMaster(N1, DID1); |
| 121 | assertEquals("wrong term", MastershipTerm.of(N1, 2), sms.getTermFor(DID1)); |
| 122 | } |
| 123 | |
| 124 | @Test |
| 125 | public void requestRole() { |
| 126 | //NONE - become MASTER |
| 127 | put(DID1, N1, false, false); |
| 128 | assertEquals("wrong role", MASTER, sms.requestRole(DID1)); |
| 129 | |
| 130 | //STANDBY without backup - become MASTER |
| 131 | put(DID2, N1, false, true); |
| 132 | assertEquals("wrong role", MASTER, sms.requestRole(DID2)); |
| 133 | |
| 134 | //STANDBY with backup - stay STANDBY |
| 135 | put(DID3, N2, false, true); |
| 136 | assertEquals("wrong role", STANDBY, sms.requestRole(DID3)); |
| 137 | |
| 138 | //local (N1) is MASTER - stay MASTER |
| 139 | put(DID4, N1, true, true); |
| 140 | assertEquals("wrong role", MASTER, sms.requestRole(DID4)); |
| 141 | } |
| 142 | |
| 143 | @Test |
| 144 | public void unsetMaster() { |
| 145 | //NONE - record backup but take no other action |
| 146 | put(DID1, N1, false, false); |
Ayaka Koshibe | c404770 | 2014-10-07 14:43:52 -0700 | [diff] [blame] | 147 | sms.setStandby(N1, DID1); |
Ayaka Koshibe | 1743ddb | 2014-09-30 15:24:48 -0700 | [diff] [blame] | 148 | assertTrue("not backed up", sms.backups.contains(N1)); |
| 149 | sms.termMap.clear(); |
Ayaka Koshibe | c404770 | 2014-10-07 14:43:52 -0700 | [diff] [blame] | 150 | sms.setStandby(N1, DID1); |
Ayaka Koshibe | 1743ddb | 2014-09-30 15:24:48 -0700 | [diff] [blame] | 151 | assertTrue("term not set", sms.termMap.containsKey(DID1)); |
| 152 | |
| 153 | //no backup, MASTER |
| 154 | put(DID1, N1, true, true); |
Ayaka Koshibe | c404770 | 2014-10-07 14:43:52 -0700 | [diff] [blame] | 155 | assertNull("wrong event", sms.setStandby(N1, DID1)); |
Ayaka Koshibe | 1743ddb | 2014-09-30 15:24:48 -0700 | [diff] [blame] | 156 | assertNull("wrong node", sms.masterMap.get(DID1)); |
| 157 | |
| 158 | //backup, switch |
| 159 | sms.masterMap.clear(); |
| 160 | put(DID1, N1, true, true); |
| 161 | put(DID2, N2, true, true); |
Ayaka Koshibe | c404770 | 2014-10-07 14:43:52 -0700 | [diff] [blame] | 162 | assertEquals("wrong event", MASTER_CHANGED, sms.setStandby(N1, DID1).type()); |
Ayaka Koshibe | 1743ddb | 2014-09-30 15:24:48 -0700 | [diff] [blame] | 163 | } |
| 164 | |
| 165 | //helper to populate master/backup structures |
| 166 | private void put(DeviceId dev, NodeId node, boolean store, boolean backup) { |
| 167 | if (store) { |
| 168 | sms.masterMap.put(dev, node); |
| 169 | } |
| 170 | if (backup) { |
| 171 | sms.backups.add(node); |
| 172 | } |
| 173 | sms.termMap.put(dev, new AtomicInteger()); |
| 174 | } |
| 175 | } |