/*
* Copyright 2016 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.Matchers.containsInAnyOrder;
import static org.hamcrest.Matchers.notNullValue;
import static org.junit.Assert.assertThat;
import org.junit.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;
import org.springframework.context.annotation.Configuration;
import org.springframework.statemachine.AbstractStateMachineTests;
import org.springframework.statemachine.StateMachine;
import org.springframework.statemachine.StateMachineSystemConstants;
import org.springframework.statemachine.config.EnableStateMachine;
import org.springframework.statemachine.config.EnableStateMachineFactory;
import org.springframework.statemachine.config.StateMachineConfigurerAdapter;
import org.springframework.statemachine.config.StateMachineFactory;
import org.springframework.statemachine.config.builders.StateMachineStateConfigurer;
import org.springframework.statemachine.config.builders.StateMachineTransitionConfigurer;
/**
* Tests for submachine references.
*
* @author Janne Valkealahti
*
*/
public class SubmachineRefTests extends AbstractStateMachineTests {
@Test
@SuppressWarnings("unchecked")
public void testSubmachineRef() throws Exception {
context.register(Config2.class, Config1.class);
context.refresh();
StateMachine<String, String> machine = context.getBean(StateMachineSystemConstants.DEFAULT_ID_STATEMACHINE, StateMachine.class);
assertThat(machine, notNullValue());
machine.start();
assertThat(machine.getState().getIds(), containsInAnyOrder("S1"));
machine.sendEvent("E1");
assertThat(machine.getState().getIds(), containsInAnyOrder("S2", "S20"));
machine.sendEvent("E2");
assertThat(machine.getState().getIds(), containsInAnyOrder("S2", "S21", "S30"));
machine.sendEvent("E3");
assertThat(machine.getState().getIds(), containsInAnyOrder("S2", "S21", "S31"));
}
@Test
@SuppressWarnings("unchecked")
public void testSubmachineRefWithFactory() throws Exception {
context.register(Config4.class, Config3.class);
context.refresh();
StateMachineFactory<String, String> factory = context.getBean(StateMachineSystemConstants.DEFAULT_ID_STATEMACHINEFACTORY, StateMachineFactory.class);
StateMachine<String, String> machine = factory.getStateMachine();
assertThat(machine, notNullValue());
machine.start();
assertThat(machine.getState().getIds(), containsInAnyOrder("S1"));
machine.sendEvent("E1");
assertThat(machine.getState().getIds(), containsInAnyOrder("S2", "S20"));
machine.sendEvent("E2");
assertThat(machine.getState().getIds(), containsInAnyOrder("S2", "S21", "S30"));
machine.sendEvent("E3");
assertThat(machine.getState().getIds(), containsInAnyOrder("S2", "S21", "S31"));
}
@Configuration
@EnableStateMachine
static class Config1 extends StateMachineConfigurerAdapter<String, String> {
@Autowired
@Qualifier("subStateMachine")
private StateMachine<String, String> subStateMachine;
@Override
public void configure(StateMachineStateConfigurer<String, String> states) throws Exception {
states
.withStates()
.initial("S1")
.state("S2", subStateMachine);
}
@Override
public void configure(StateMachineTransitionConfigurer<String, String> transitions) throws Exception {
transitions
.withExternal()
.source("S1").target("S2").event("E1");
}
}
@Configuration
@EnableStateMachine(name = "subStateMachine")
static class Config2 extends StateMachineConfigurerAdapter<String, String> {
@Override
public void configure(StateMachineStateConfigurer<String, String> states) throws Exception {
states
.withStates()
.initial("S20")
.state("S21")
.and()
.withStates()
.parent("S21")
.initial("S30")
.state("S31");
}
@Override
public void configure(StateMachineTransitionConfigurer<String, String> transitions) throws Exception {
transitions
.withExternal()
.source("S20").target("S21").event("E2").and()
.withExternal()
.source("S30").target("S31").event("E3");
}
}
@Configuration
@EnableStateMachineFactory
static class Config3 extends StateMachineConfigurerAdapter<String, String> {
@Autowired
@Qualifier("subStateMachineFactory")
private StateMachineFactory<String, String> subStateMachineFactory;
@Override
public void configure(StateMachineStateConfigurer<String, String> states) throws Exception {
states
.withStates()
.initial("S1")
.state("S2", subStateMachineFactory);
}
@Override
public void configure(StateMachineTransitionConfigurer<String, String> transitions) throws Exception {
transitions
.withExternal()
.source("S1").target("S2").event("E1");
}
}
@Configuration
@EnableStateMachineFactory(name = "subStateMachineFactory")
static class Config4 extends StateMachineConfigurerAdapter<String, String> {
@Override
public void configure(StateMachineStateConfigurer<String, String> states) throws Exception {
states
.withStates()
.initial("S20")
.state("S21")
.and()
.withStates()
.parent("S21")
.initial("S30")
.state("S31");
}
@Override
public void configure(StateMachineTransitionConfigurer<String, String> transitions) throws Exception {
transitions
.withExternal()
.source("S20").target("S21").event("E2").and()
.withExternal()
.source("S30").target("S31").event("E3");
}
}
@Override
protected AnnotationConfigApplicationContext buildContext() {
return new AnnotationConfigApplicationContext();
}
}