/*
* Copyright 2015 the original author or authors.
*
* 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.springframework.statemachine.listener;
import static org.hamcrest.Matchers.is;
import static org.junit.Assert.assertThat;
import java.util.List;
import org.junit.Test;
import org.springframework.statemachine.TestUtils;
public class CompositeStateMachineListenerTests {
@Test
public void testRegister() throws Exception {
CompositeStateMachineListener<String, String> listener = new CompositeStateMachineListener<String, String>();
StateMachineListenerAdapter<String, String> adapter1 = new StateMachineListenerAdapter<String, String>();
listener.register(adapter1);
OrderedComposite<StateMachineListener<String, String>> listeners = listener.getListeners();
List<Object> list = TestUtils.readField("list", listeners);
assertThat(list.size(), is(1));
}
@Test
public void testUnregister() throws Exception {
CompositeStateMachineListener<String, String> listener = new CompositeStateMachineListener<String, String>();
StateMachineListenerAdapter<String, String> adapter1 = new StateMachineListenerAdapter<String, String>();
listener.register(adapter1);
listener.unregister(adapter1);
OrderedComposite<StateMachineListener<String, String>> listeners = listener.getListeners();
List<Object> list = TestUtils.readField("list", listeners);
assertThat(list.size(), is(0));
}
}