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/*
* 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.
*/
/* $Id$ */
package org.apache.fop.events;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import org.apache.fop.events.model.EventSeverity;
public class BasicEventTestCase {
@Test
public void testBasics() throws Exception {
MyEventListener listener = new MyEventListener();
EventBroadcaster broadcaster = new DefaultEventBroadcaster();
broadcaster.addEventListener(listener);
assertTrue(broadcaster.hasEventListeners());
Event ev = new Event(this, "123", EventSeverity.INFO,
Event.paramsBuilder()
.param("reason", "I'm tired")
.param("blah", Integer.valueOf(23))
.build());
broadcaster.broadcastEvent(ev);
ev = listener.event;
assertNotNull(ev);
assertEquals("123", listener.event.getEventID());
assertEquals(EventSeverity.INFO, listener.event.getSeverity());
assertEquals("I'm tired", ev.getParam("reason"));
assertEquals(Integer.valueOf(23), ev.getParam("blah"));
broadcaster.removeEventListener(listener);
assertFalse(broadcaster.hasEventListeners());
//Just check that there are no NPEs
broadcaster.broadcastEvent(ev);
}
@Test
public void testEventProducer() throws Exception {
MyEventListener listener = new MyEventListener();
EventBroadcaster broadcaster = new DefaultEventBroadcaster();
broadcaster.addEventListener(listener);
assertTrue(broadcaster.hasEventListeners());
TestEventProducer producer = TestEventProducer.Provider.get(broadcaster);
producer.complain(this, "I'm tired", 23);
Event ev = listener.event;
assertNotNull(ev);
assertEquals("org.apache.fop.events.TestEventProducer.complain",
listener.event.getEventID());
assertEquals(EventSeverity.WARN, listener.event.getSeverity());
assertEquals("I'm tired", ev.getParam("reason"));
assertEquals(Integer.valueOf(23), ev.getParam("blah"));
broadcaster.removeEventListener(listener);
assertFalse(broadcaster.hasEventListeners());
//Just check that there are no NPEs
broadcaster.broadcastEvent(ev);
}
private class MyEventListener implements EventListener {
private Event event;
public void processEvent(Event event) {
if (this.event != null) {
fail("Multiple events received");
}
this.event = event;
}
}
}
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