/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.zookeeper.test;
import java.util.EnumSet;
import org.apache.zookeeper.WatchedEvent;
import org.apache.zookeeper.ZKTestCase;
import org.apache.zookeeper.Watcher.Event.EventType;
import org.apache.zookeeper.Watcher.Event.KeeperState;
import org.apache.zookeeper.proto.WatcherEvent;
import org.junit.Assert;
import org.junit.Test;
public class WatchedEventTest extends ZKTestCase {
@Test
public void testCreatingWatchedEvent() {
// EventWatch is a simple, immutable type, so all we need to do
// is make sure we can create all possible combinations of values.
EnumSet<EventType> allTypes = EnumSet.allOf(EventType.class);
EnumSet<KeeperState> allStates = EnumSet.allOf(KeeperState.class);
WatchedEvent we;
for(EventType et : allTypes) {
for(KeeperState ks : allStates) {
we = new WatchedEvent(et, ks, "blah");
Assert.assertEquals(et, we.getType());
Assert.assertEquals(ks, we.getState());
Assert.assertEquals("blah", we.getPath());
}
}
}
@Test
public void testCreatingWatchedEventFromWrapper() {
// Make sure we can handle any type of correct wrapper
EnumSet<EventType> allTypes = EnumSet.allOf(EventType.class);
EnumSet<KeeperState> allStates = EnumSet.allOf(KeeperState.class);
WatchedEvent we;
WatcherEvent wep;
for(EventType et : allTypes) {
for(KeeperState ks : allStates) {
wep = new WatcherEvent(et.getIntValue(), ks.getIntValue(), "blah");
we = new WatchedEvent(wep);
Assert.assertEquals(et, we.getType());
Assert.assertEquals(ks, we.getState());
Assert.assertEquals("blah", we.getPath());
}
}
}
@Test
public void testCreatingWatchedEventFromInvalidWrapper() {
// Make sure we can't convert from an invalid wrapper
try {
WatcherEvent wep = new WatcherEvent(-2342, -252352, "foo");
new WatchedEvent(wep);
Assert.fail("Was able to create WatchedEvent from bad wrapper");
} catch (RuntimeException re) {
// we're good
}
}
@Test
public void testConvertingToEventWrapper() {
WatchedEvent we = new WatchedEvent(EventType.NodeCreated, KeeperState.Expired, "blah");
WatcherEvent wew = we.getWrapper();
Assert.assertEquals(EventType.NodeCreated.getIntValue(), wew.getType());
Assert.assertEquals(KeeperState.Expired.getIntValue(), wew.getState());
Assert.assertEquals("blah", wew.getPath());
}
}