yoonseon | fe72197 | 2017-01-10 17:18:49 -0800 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2017-present 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 | */ |
| 16 | |
| 17 | package org.onosproject.incubator.net.virtual.event; |
| 18 | |
| 19 | import org.junit.After; |
| 20 | import org.junit.Before; |
| 21 | import org.junit.Test; |
| 22 | import org.onosproject.event.AbstractEvent; |
| 23 | import org.onosproject.event.Event; |
| 24 | import org.onosproject.event.EventDeliveryService; |
| 25 | import org.onosproject.event.EventListener; |
| 26 | import org.onosproject.event.EventSink; |
| 27 | import org.onosproject.incubator.net.virtual.NetworkId; |
| 28 | |
| 29 | import java.util.ArrayList; |
| 30 | import java.util.List; |
| 31 | import java.util.Set; |
| 32 | import java.util.concurrent.CountDownLatch; |
| 33 | import java.util.concurrent.TimeUnit; |
| 34 | |
| 35 | import static org.junit.Assert.*; |
| 36 | |
| 37 | /** |
| 38 | * Test of the virtual event dispatcher mechanism. |
| 39 | */ |
| 40 | public class AbstractVirtualListenerManagerTest { |
| 41 | |
| 42 | TestEventDispatcher dispatcher = new TestEventDispatcher(); |
| 43 | VirtualListenerRegistryManager listenerRegistryManager = |
| 44 | VirtualListenerRegistryManager.getInstance(); |
| 45 | |
| 46 | PrickleManager prickleManager; |
| 47 | PrickleListener prickleListener; |
| 48 | |
| 49 | GooManager gooManager; |
| 50 | GooListener gooListener; |
| 51 | |
| 52 | BarManager barManager; |
| 53 | BarListener barListener; |
| 54 | |
| 55 | @Before |
| 56 | public void setUp() { |
| 57 | dispatcher.addSink(VirtualEvent.class, listenerRegistryManager); |
| 58 | |
| 59 | prickleListener = new PrickleListener(); |
| 60 | prickleManager = new PrickleManager(NetworkId.networkId(1)); |
| 61 | prickleManager.eventDispatcher = dispatcher; |
| 62 | prickleManager.addListener(prickleListener); |
| 63 | |
| 64 | gooListener = new GooListener(); |
| 65 | gooManager = new GooManager(NetworkId.networkId(1)); |
| 66 | gooManager.eventDispatcher = dispatcher; |
| 67 | gooManager.addListener(gooListener); |
| 68 | |
| 69 | barListener = new BarListener(); |
| 70 | barManager = new BarManager(NetworkId.networkId(2)); |
| 71 | barManager.eventDispatcher = dispatcher; |
| 72 | barManager.addListener(barListener); |
| 73 | } |
| 74 | |
| 75 | @After |
| 76 | public void tearDown() { |
| 77 | dispatcher.removeSink(VirtualEvent.class); |
| 78 | |
| 79 | prickleListener.events.clear(); |
| 80 | gooListener.events.clear(); |
| 81 | barListener.events.clear(); |
| 82 | |
| 83 | prickleListener.latch = null; |
| 84 | gooListener.latch = null; |
| 85 | barListener.latch = null; |
| 86 | } |
| 87 | |
| 88 | @Test |
| 89 | public void postPrickle() throws InterruptedException { |
| 90 | prickleListener.latch = new CountDownLatch(1); |
| 91 | prickleManager.post(new Prickle("prickle")); |
| 92 | prickleListener.latch.await(100, TimeUnit.MILLISECONDS); |
| 93 | |
| 94 | validate(prickleListener, "prickle"); |
| 95 | validate(gooListener); |
| 96 | validate(barListener); |
| 97 | } |
| 98 | |
| 99 | @Test |
| 100 | public void postGoo() throws InterruptedException { |
| 101 | gooListener.latch = new CountDownLatch(1); |
| 102 | gooManager.post(new Goo("goo")); |
| 103 | gooListener.latch.await(100, TimeUnit.MILLISECONDS); |
| 104 | |
| 105 | validate(prickleListener); |
| 106 | validate(gooListener, "goo"); |
| 107 | validate(barListener); |
| 108 | } |
| 109 | |
| 110 | @Test |
| 111 | public void postBar() throws InterruptedException { |
| 112 | barListener.latch = new CountDownLatch(1); |
| 113 | barManager.post(new Bar("bar")); |
| 114 | barListener.latch.await(100, TimeUnit.MILLISECONDS); |
| 115 | |
| 116 | validate(prickleListener); |
| 117 | validate(gooListener); |
| 118 | validate(barListener, "bar"); |
| 119 | } |
| 120 | |
| 121 | @Test |
| 122 | public void postEventWithNoListener() throws Exception { |
| 123 | dispatcher.post(new Thing("boom")); |
| 124 | |
| 125 | validate(prickleListener); |
| 126 | validate(gooListener); |
| 127 | validate(barListener); |
| 128 | } |
| 129 | |
| 130 | private void validate(TestListener listener, String... strings) { |
| 131 | int i = 0; |
| 132 | assertEquals("incorrect event count", strings.length, listener.events.size()); |
| 133 | for (String string : strings) { |
| 134 | Event event = (Event) listener.events.get(i++); |
| 135 | assertEquals("incorrect event", string, event.subject()); |
| 136 | } |
| 137 | } |
| 138 | |
| 139 | private enum Type { FOO } |
| 140 | |
| 141 | private static class Thing extends AbstractEvent<Type, String> { |
| 142 | protected Thing(String subject) { |
| 143 | super(Type.FOO, subject); |
| 144 | } |
| 145 | } |
| 146 | |
| 147 | private static class Prickle extends Thing { |
| 148 | protected Prickle(String subject) { |
| 149 | super(subject); |
| 150 | } |
| 151 | } |
| 152 | |
| 153 | private static class Goo extends Thing { |
| 154 | protected Goo(String subject) { |
| 155 | super(subject); |
| 156 | } |
| 157 | } |
| 158 | |
| 159 | private static class Bar extends Thing { |
| 160 | protected Bar(String subject) { |
| 161 | super(subject); |
| 162 | } |
| 163 | } |
| 164 | |
| 165 | private class TestListener<E extends Event> implements EventListener<E> { |
| 166 | List<E> events = new ArrayList<>(); |
| 167 | CountDownLatch latch; |
| 168 | |
| 169 | @Override |
| 170 | public void event(E event) { |
| 171 | System.out.println(this.getClass().toString()); |
| 172 | events.add(event); |
| 173 | latch.countDown(); |
| 174 | } |
| 175 | } |
| 176 | |
| 177 | private class PrickleListener extends TestListener<Prickle> { |
| 178 | } |
| 179 | |
| 180 | private class GooListener extends TestListener<Goo> { |
| 181 | } |
| 182 | |
| 183 | private class BarListener extends TestListener<Bar> { |
| 184 | } |
| 185 | |
| 186 | private class PrickleManager extends AbstractVirtualListenerManager<Prickle, PrickleListener> { |
| 187 | public PrickleManager(NetworkId networkId) { |
| 188 | super(networkId); |
| 189 | } |
| 190 | } |
| 191 | |
| 192 | private class GooManager extends AbstractVirtualListenerManager<Goo, GooListener> { |
| 193 | public GooManager(NetworkId networkId) { |
| 194 | super(networkId); |
| 195 | } |
| 196 | } |
| 197 | |
| 198 | private class BarManager extends AbstractVirtualListenerManager<Bar, BarListener> { |
| 199 | public BarManager(NetworkId networkId) { |
| 200 | super(networkId); |
| 201 | } |
| 202 | } |
| 203 | |
| 204 | |
| 205 | private class TestEventDispatcher implements EventDeliveryService { |
| 206 | private EventSink sink; |
| 207 | |
| 208 | @Override |
| 209 | public <E extends Event> void addSink(Class<E> eventClass, EventSink<E> sink) { |
| 210 | this.sink = sink; |
| 211 | } |
| 212 | |
| 213 | @Override |
| 214 | public <E extends Event> void removeSink(Class<E> eventClass) { |
| 215 | this.sink = null; |
| 216 | } |
| 217 | |
| 218 | @Override |
| 219 | public <E extends Event> EventSink<E> getSink(Class<E> eventClass) { |
| 220 | return null; |
| 221 | } |
| 222 | |
| 223 | @Override |
| 224 | public Set<Class<? extends Event>> getSinks() { |
| 225 | return null; |
| 226 | } |
| 227 | |
| 228 | @Override |
| 229 | public void setDispatchTimeLimit(long millis) { |
| 230 | |
| 231 | } |
| 232 | |
| 233 | @Override |
| 234 | public long getDispatchTimeLimit() { |
| 235 | return 0; |
| 236 | } |
| 237 | |
| 238 | @Override |
| 239 | public void post(Event event) { |
| 240 | if (event instanceof VirtualEvent) { |
| 241 | sink.process(event); |
| 242 | } |
| 243 | } |
| 244 | } |
| 245 | } |