/*
* Copyright 2017 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.annotation;
import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.Matchers.contains;
import static org.junit.Assert.assertThat;
import java.util.EnumSet;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import org.junit.Test;
import org.springframework.beans.factory.BeanFactory;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.statemachine.AbstractStateMachineTests;
import org.springframework.statemachine.StateMachine;
import org.springframework.statemachine.config.EnableWithStateMachine;
import org.springframework.statemachine.config.StateMachineBuilder;
import org.springframework.statemachine.config.StateMachineBuilder.Builder;
import org.springframework.statemachine.config.configuration.StateMachineAnnotationPostProcessorConfiguration;
import org.springframework.statemachine.config.configurers.ConfigurationConfigurer;
@SuppressWarnings("unchecked")
public class MethodAnnotationWithBuilderTests extends AbstractStateMachineTests {
@Test
public void testMethodAnnotations1() throws Exception {
context.register(BeanConfig1.class, StateMachineAnnotationPostProcessorConfiguration.class);
context.refresh();
Bean1 bean1 = context.getBean(Bean1.class);
StateMachine<TestStates,TestEvents> machine = context.getBean(StateMachine.class);
machine.start();
assertThat(machine.getState().getIds(), contains(TestStates.S1));
machine.sendEvent(TestEvents.E1);
assertThat(machine.getState().getIds(), contains(TestStates.S2));
assertThat(bean1.onStateChangedLatch.await(1, TimeUnit.SECONDS), is(true));
}
@Test
public void testMethodAnnotations2() throws Exception {
context.register(BeanConfig2.class);
context.refresh();
Bean1 bean1 = context.getBean(Bean1.class);
StateMachine<TestStates,TestEvents> machine = context.getBean(StateMachine.class);
machine.start();
assertThat(machine.getState().getIds(), contains(TestStates.S1));
machine.sendEvent(TestEvents.E1);
assertThat(machine.getState().getIds(), contains(TestStates.S2));
assertThat(bean1.onStateChangedLatch.await(1, TimeUnit.SECONDS), is(true));
}
@Test
public void testMethodAnnotations3() throws Exception {
context.register(BeanConfig1.class, StateMachineAnnotationPostProcessorConfiguration.class);
context.refresh();
Bean1 bean1 = context.getBean(Bean1.class);
StateMachine<TestStates,TestEvents> machine = buildMachine(context);
machine.start();
assertThat(machine.getState().getIds(), contains(TestStates.S1));
machine.sendEvent(TestEvents.E1);
assertThat(machine.getState().getIds(), contains(TestStates.S2));
assertThat(bean1.onStateChangedLatch.await(1, TimeUnit.SECONDS), is(true));
}
@Test
public void testMethodAnnotations4() throws Exception {
context.register(BeanConfig3.class);
context.refresh();
Bean2 bean2 = context.getBean(Bean2.class);
StateMachine<TestStates,TestEvents> machine = buildMachine(context);
machine.start();
assertThat(machine.getState().getIds(), contains(TestStates.S1));
machine.sendEvent(TestEvents.E1);
assertThat(machine.getState().getIds(), contains(TestStates.S2));
assertThat(bean2.onStateChangedLatch.await(1, TimeUnit.SECONDS), is(true));
}
@WithStateMachine(id = "xxx")
static class Bean1 {
CountDownLatch onStateChangedLatch = new CountDownLatch(1);
@OnStateChanged
public void onStateChanged() {
onStateChangedLatch.countDown();
}
}
@WithStateMachine(name = "", id = "xxx")
static class Bean2 {
CountDownLatch onStateChangedLatch = new CountDownLatch(1);
@OnStateChanged
public void onStateChanged() {
onStateChangedLatch.countDown();
}
}
@Configuration
static class BeanConfig1 {
@Bean
public Bean1 bean1() {
return new Bean1();
}
@Bean
public StateMachine<TestStates,TestEvents> stateMachine() throws Exception {
return buildMachine(null);
}
}
@EnableWithStateMachine
static class BeanConfig2 {
@Bean
public Bean1 bean1() {
return new Bean1();
}
@Bean
public StateMachine<TestStates,TestEvents> stateMachine() throws Exception {
return buildMachine(null);
}
}
@EnableWithStateMachine
static class BeanConfig3 {
@Bean
public Bean2 bean2() {
return new Bean2();
}
}
private static StateMachine<TestStates,TestEvents> buildMachine(BeanFactory beanFactory) throws Exception {
Builder<TestStates,TestEvents> builder = StateMachineBuilder.builder();
ConfigurationConfigurer<TestStates, TestEvents> withConfiguration = builder.configureConfiguration().withConfiguration();
withConfiguration.machineId("xxx");
if (beanFactory != null) {
withConfiguration.beanFactory(beanFactory);
}
builder.configureStates()
.withStates()
.initial(TestStates.S1)
.states(EnumSet.allOf(TestStates.class));
builder.configureTransitions()
.withExternal()
.source(TestStates.S1)
.target(TestStates.S2)
.event(TestEvents.E1);
return builder.build();
}
@Override
protected AnnotationConfigApplicationContext buildContext() {
return new AnnotationConfigApplicationContext();
}
}