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Diffstat (limited to 'framework/src/onos/core/net/src/test/java/org/onosproject/event/impl/CoreEventDispatcherTest.java')
-rw-r--r-- | framework/src/onos/core/net/src/test/java/org/onosproject/event/impl/CoreEventDispatcherTest.java | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/framework/src/onos/core/net/src/test/java/org/onosproject/event/impl/CoreEventDispatcherTest.java b/framework/src/onos/core/net/src/test/java/org/onosproject/event/impl/CoreEventDispatcherTest.java new file mode 100644 index 00000000..9ba3db59 --- /dev/null +++ b/framework/src/onos/core/net/src/test/java/org/onosproject/event/impl/CoreEventDispatcherTest.java @@ -0,0 +1,132 @@ +/* + * 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.event.impl; + +import org.junit.After; +import org.junit.Before; +import org.junit.Test; +import org.onosproject.event.AbstractEvent; +import org.onosproject.event.EventSink; + +import java.util.ArrayList; +import java.util.List; +import java.util.concurrent.CountDownLatch; +import java.util.concurrent.TimeUnit; + +import static org.junit.Assert.assertEquals; + +/** + * Test of the even dispatcher mechanism. + */ +public class CoreEventDispatcherTest { + + private final CoreEventDispatcher dispatcher = new CoreEventDispatcher(); + private final PrickleSink prickleSink = new PrickleSink(); + private final GooSink gooSink = new GooSink(); + + @Before + public void setUp() { + dispatcher.activate(); + dispatcher.addSink(Prickle.class, prickleSink); + dispatcher.addSink(Goo.class, gooSink); + } + + @After + public void tearDown() { + dispatcher.removeSink(Goo.class); + dispatcher.removeSink(Prickle.class); + dispatcher.deactivate(); + } + + @Test + public void post() throws Exception { + prickleSink.latch = new CountDownLatch(1); + dispatcher.post(new Prickle("yo")); + prickleSink.latch.await(100, TimeUnit.MILLISECONDS); + validate(prickleSink, "yo"); + validate(gooSink); + } + + @Test + public void postEventWithBadSink() throws Exception { + gooSink.latch = new CountDownLatch(1); + dispatcher.post(new Goo("boom")); + gooSink.latch.await(100, TimeUnit.MILLISECONDS); + validate(gooSink, "boom"); + validate(prickleSink); + } + + @Test + public void postEventWithNoSink() throws Exception { + dispatcher.post(new Thing("boom")); + validate(gooSink); + validate(prickleSink); + } + + private void validate(Sink sink, String... strings) { + int i = 0; + assertEquals("incorrect event count", strings.length, sink.subjects.size()); + for (String string : strings) { + assertEquals("incorrect event", string, sink.subjects.get(i++)); + } + } + + private enum Type { FOO } + + private static class Thing extends AbstractEvent<Type, String> { + protected Thing(String subject) { + super(Type.FOO, subject); + } + } + + private static class Prickle extends Thing { + protected Prickle(String subject) { + super(subject); + } + } + + private static class Goo extends Thing { + protected Goo(String subject) { + super(subject); + } + } + + private static class Sink { + final List<String> subjects = new ArrayList<>(); + CountDownLatch latch; + + protected void process(String subject) { + subjects.add(subject); + latch.countDown(); + } + } + + private static class PrickleSink extends Sink implements EventSink<Prickle> { + @Override + public void process(Prickle event) { + process(event.subject()); + } + } + + private static class GooSink extends Sink implements EventSink<Goo> { + @Override + public void process(Goo event) { + process(event.subject()); + throw new IllegalStateException("BOOM!"); + } + } + +} |