/*
* 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.action;
import static org.hamcrest.Matchers.containsInAnyOrder;
import static org.hamcrest.Matchers.is;
import static org.hamcrest.Matchers.notNullValue;
import static org.junit.Assert.assertThat;
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.statemachine.AbstractStateMachineTests;
import org.springframework.statemachine.StateMachine;
import org.springframework.statemachine.StateMachineSystemConstants;
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;
@SuppressWarnings("unchecked")
public class StateDoActivityActionTests extends AbstractStateMachineTests {
@Test
public void testSimpleStateActions() throws Exception {
context.register(Config1.class);
context.refresh();
StateMachine<TestStates,TestEvents> machine =
context.getBean(StateMachineSystemConstants.DEFAULT_ID_STATEMACHINE, StateMachine.class);
TestAction testActionS1 = context.getBean("testActionS1", TestAction.class);
TestAction testActionS2 = context.getBean("testActionS2", TestAction.class);
assertThat(machine, notNullValue());
machine.start();
assertThat(testActionS1.onExecuteLatch.await(2, TimeUnit.SECONDS), is(true));
machine.sendEvent(TestEvents.E1);
assertThat(testActionS2.onExecuteLatch.await(2, TimeUnit.SECONDS), is(true));
machine.sendEvent(TestEvents.E2);
}
@Test
public void testExitAbortsAction() throws Exception {
context.register(Config2.class);
context.refresh();
StateMachine<TestStates,TestEvents> machine =
context.getBean(StateMachineSystemConstants.DEFAULT_ID_STATEMACHINE, StateMachine.class);
TestSleepAction testActionS1 = context.getBean("testActionS1", TestSleepAction.class);
TestSleepAction testActionS2 = context.getBean("testActionS2", TestSleepAction.class);
assertThat(machine, notNullValue());
machine.start();
assertThat(testActionS1.onExecuteStartLatch.await(2, TimeUnit.SECONDS), is(true));
machine.sendEvent(TestEvents.E1);
assertThat(testActionS1.interruptedLatch.await(2, TimeUnit.SECONDS), is(true));
assertThat(testActionS1.onExecuteLatch.await(2, TimeUnit.SECONDS), is(true));
assertThat(testActionS2.onExecuteStartLatch.await(2, TimeUnit.SECONDS), is(true));
machine.sendEvent(TestEvents.E2);
assertThat(testActionS2.interruptedLatch.await(2, TimeUnit.SECONDS), is(true));
assertThat(testActionS2.onExecuteLatch.await(2, TimeUnit.SECONDS), is(true));
assertThat(machine.getState().getIds(), containsInAnyOrder(TestStates.S3));
}
@Test
public void testInternalTransitionDoesNotAbort() throws Exception {
context.register(Config3.class);
context.refresh();
StateMachine<TestStates,TestEvents> machine =
context.getBean(StateMachineSystemConstants.DEFAULT_ID_STATEMACHINE, StateMachine.class);
TestSleepAction testActionS1 = context.getBean("testActionS1", TestSleepAction.class);
TestSleepAction testActionS2 = context.getBean("testActionS2", TestSleepAction.class);
TestAction testActionS1I = context.getBean("testActionS1I", TestAction.class);
TestAction testActionS2I = context.getBean("testActionS2I", TestAction.class);
assertThat(machine, notNullValue());
machine.start();
machine.sendEvent(TestEvents.E3);
assertThat(testActionS1I.onExecuteLatch.await(2, TimeUnit.SECONDS), is(true));
assertThat(testActionS1.interruptedLatch.await(2, TimeUnit.SECONDS), is(false));
machine.sendEvent(TestEvents.E1);
machine.sendEvent(TestEvents.E4);
assertThat(testActionS2I.onExecuteLatch.await(2, TimeUnit.SECONDS), is(true));
assertThat(testActionS2.interruptedLatch.await(2, TimeUnit.SECONDS), is(false));
machine.sendEvent(TestEvents.E2);
assertThat(testActionS1.interruptedLatch.await(2, TimeUnit.SECONDS), is(true));
assertThat(testActionS2.interruptedLatch.await(2, TimeUnit.SECONDS), is(true));
assertThat(testActionS1.onExecuteLatch.await(2, TimeUnit.SECONDS), is(true));
assertThat(testActionS2.onExecuteLatch.await(2, TimeUnit.SECONDS), is(true));
assertThat(machine.getState().getIds(), containsInAnyOrder(TestStates.S3));
}
@Configuration
@EnableStateMachine
static class Config1 extends EnumStateMachineConfigurerAdapter<TestStates, TestEvents> {
@Override
public void configure(StateMachineStateConfigurer<TestStates, TestEvents> states) throws Exception {
states
.withStates()
.initial(TestStates.S1)
.state(TestStates.S1, testActionS1())
.state(TestStates.S2, testActionS2())
.state(TestStates.S3);
}
@Override
public void configure(StateMachineTransitionConfigurer<TestStates, TestEvents> transitions) throws Exception {
transitions
.withExternal()
.source(TestStates.S1)
.target(TestStates.S2)
.event(TestEvents.E1)
.and()
.withExternal()
.source(TestStates.S2)
.target(TestStates.S3)
.event(TestEvents.E2);
}
@Bean
public TestAction testActionS1() {
return new TestAction();
}
@Bean
public TestAction testActionS2() {
return new TestAction();
}
}
@Configuration
@EnableStateMachine
static class Config2 extends EnumStateMachineConfigurerAdapter<TestStates, TestEvents> {
@Override
public void configure(StateMachineStateConfigurer<TestStates, TestEvents> states) throws Exception {
states
.withStates()
.initial(TestStates.S1)
.state(TestStates.S1, testActionS1())
.state(TestStates.S2, testActionS2())
.state(TestStates.S3);
}
@Override
public void configure(StateMachineTransitionConfigurer<TestStates, TestEvents> transitions) throws Exception {
transitions
.withExternal()
.source(TestStates.S1)
.target(TestStates.S2)
.event(TestEvents.E1)
.and()
.withExternal()
.source(TestStates.S2)
.target(TestStates.S3)
.event(TestEvents.E2);
}
@Bean
public TestSleepAction testActionS1() {
return new TestSleepAction(5000);
}
@Bean
public TestSleepAction testActionS2() {
return new TestSleepAction(5000);
}
}
@Configuration
@EnableStateMachine
static class Config3 extends EnumStateMachineConfigurerAdapter<TestStates, TestEvents> {
@Override
public void configure(StateMachineStateConfigurer<TestStates, TestEvents> states) throws Exception {
states
.withStates()
.initial(TestStates.S1)
.state(TestStates.S1, testActionS1())
.state(TestStates.S2, testActionS2())
.state(TestStates.S3);
}
@Override
public void configure(StateMachineTransitionConfigurer<TestStates, TestEvents> transitions) throws Exception {
transitions
.withExternal()
.source(TestStates.S1)
.target(TestStates.S2)
.event(TestEvents.E1)
.and()
.withExternal()
.source(TestStates.S2)
.target(TestStates.S3)
.event(TestEvents.E2)
.and()
.withInternal()
.source(TestStates.S1)
.event(TestEvents.E3)
.action(testActionS1I())
.and()
.withInternal()
.source(TestStates.S2)
.event(TestEvents.E4)
.action(testActionS2I());
}
@Bean
public TestSleepAction testActionS1() {
return new TestSleepAction(5000);
}
@Bean
public TestSleepAction testActionS2() {
return new TestSleepAction(5000);
}
@Bean
public TestAction testActionS1I() {
return new TestAction();
}
@Bean
public TestAction testActionS2I() {
return new TestAction();
}
}
@Override
protected AnnotationConfigApplicationContext buildContext() {
return new AnnotationConfigApplicationContext();
}
}