/*
* 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.state;
import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.Matchers.notNullValue;
import static org.junit.Assert.assertThat;
import java.util.Arrays;
import java.util.Collection;
import java.util.concurrent.TimeUnit;
import org.junit.Test;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.task.SyncTaskExecutor;
import org.springframework.core.task.TaskExecutor;
import org.springframework.statemachine.AbstractStateMachineTests;
import org.springframework.statemachine.ObjectStateMachine;
import org.springframework.statemachine.StateMachineSystemConstants;
import org.springframework.statemachine.action.Action;
import org.springframework.statemachine.config.EnableStateMachine;
import org.springframework.statemachine.config.EnumStateMachineConfigurerAdapter;
import org.springframework.statemachine.config.builders.StateMachineStateConfigurer;
import org.springframework.statemachine.config.builders.StateMachineTransitionConfigurer;
/**
* Tests for state entry and exit actions.
*
* @author Janne Valkealahti
*
*/
public class StateActionTests extends AbstractStateMachineTests {
@Test
@SuppressWarnings("unchecked")
public void testStateEntryExit() throws Exception {
AnnotationConfigApplicationContext ctx = new AnnotationConfigApplicationContext(Config1.class);
ObjectStateMachine<TestStates,TestEvents> machine =
ctx.getBean(StateMachineSystemConstants.DEFAULT_ID_STATEMACHINE, ObjectStateMachine.class);
TestExitAction testExitAction = ctx.getBean("testExitAction", TestExitAction.class);
TestEntryAction testEntryAction = ctx.getBean("testEntryAction", TestEntryAction.class);
assertThat(testExitAction, notNullValue());
assertThat(testEntryAction, notNullValue());
machine.start();
machine.sendEvent(TestEvents.E1);
assertThat(testExitAction.onExecuteLatch.await(2, TimeUnit.SECONDS), is(true));
assertThat(testEntryAction.onExecuteLatch.await(2, TimeUnit.SECONDS), is(true));
ctx.close();
}
@Configuration
@EnableStateMachine
public static class Config1 extends EnumStateMachineConfigurerAdapter<TestStates, TestEvents> {
@Override
public void configure(StateMachineStateConfigurer<TestStates, TestEvents> states) throws Exception {
Collection<Action<TestStates, TestEvents>> entryActions = Arrays.asList(testEntryAction());
Collection<Action<TestStates, TestEvents>> exitActions = Arrays.asList(testExitAction());
states
.withStates()
.initial(TestStates.S1)
.state(TestStates.S1, null, exitActions)
.state(TestStates.S2, entryActions, null);
}
@Override
public void configure(StateMachineTransitionConfigurer<TestStates, TestEvents> transitions) throws Exception {
transitions
.withExternal()
.source(TestStates.S1)
.target(TestStates.S2)
.event(TestEvents.E1);
}
@Bean
public Action<TestStates, TestEvents> testEntryAction() {
return new TestEntryAction();
}
@Bean
public Action<TestStates, TestEvents> testExitAction() {
return new TestExitAction();
}
@Bean
public TaskExecutor taskExecutor() {
return new SyncTaskExecutor();
}
}
}