/*
* 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.config;
import static org.hamcrest.Matchers.is;
import static org.hamcrest.Matchers.isA;
import static org.junit.Assert.assertThat;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;
import org.springframework.context.annotation.Configuration;
import org.springframework.statemachine.AbstractStateMachineTests;
import org.springframework.statemachine.config.StateMachineBuilder.Builder;
import org.springframework.statemachine.config.builders.StateMachineStateConfigurer;
import org.springframework.statemachine.config.builders.StateMachineTransitionConfigurer;
import org.springframework.statemachine.config.model.MalformedConfigurationException;
import org.springframework.statemachine.config.model.StateMachineModel;
import org.springframework.statemachine.config.model.verifier.StateMachineModelVerifier;
public class ConfigurationErrorTests extends AbstractStateMachineTests {
@Rule
public ExpectedException expectedException = ExpectedException.none();
@Override
protected AnnotationConfigApplicationContext buildContext() {
return new AnnotationConfigApplicationContext();
}
@Test
public void testInitialStateNotSet1() {
expectedException.expectCause(isA(MalformedConfigurationException.class));
context.register(Config1.class);
context.refresh();
}
@Test
public void testInitialStateNotSet2() throws Exception {
expectedException.expectCause(isA(MalformedConfigurationException.class));
Builder<String, String> builder = StateMachineBuilder.builder();
builder
.configureStates()
.withStates()
.state("S1")
.state("S2");
builder
.configureTransitions()
.withExternal()
.source("S1")
.target("S2")
.event("E1");
builder.build();
}
@Test
public void testNoTransitions() throws Exception {
expectedException.expectCause(isA(MalformedConfigurationException.class));
Builder<String, String> builder = StateMachineBuilder.builder();
builder
.configureStates()
.withStates()
.initial("S1")
.state("S1")
.state("S2");
builder.build();
}
@Test
public void testVerifierDisabled() throws Exception {
// should fail for no transitions but verifier is disabled
Builder<String, String> builder = StateMachineBuilder.builder();
builder
.configureConfiguration()
.withVerifier()
.enabled(false);
builder
.configureStates()
.withStates()
.initial("S1")
.state("S1")
.state("S2");
builder.build();
}
@Test
public void testCustomVerifier() throws Exception {
TestStateMachineModelVerifier verifier = new TestStateMachineModelVerifier();
Builder<String, String> builder = StateMachineBuilder.builder();
builder
.configureConfiguration()
.withVerifier()
.verifier(verifier);
builder
.configureStates()
.withStates()
.initial("S1")
.state("S1")
.state("S2");
builder.build();
assertThat(verifier.latch.await(2, TimeUnit.SECONDS), is(true));
}
@Configuration
@EnableStateMachine
public static class Config1 extends StateMachineConfigurerAdapter<String, String> {
// initial state not set
@Override
public void configure(StateMachineStateConfigurer<String, String> states) throws Exception {
states
.withStates()
//.initial("S1")
.state("S1")
.state("S2");
}
@Override
public void configure(StateMachineTransitionConfigurer<String, String> transitions) throws Exception {
transitions
.withExternal()
.source("S1")
.target("S2")
.event("E1");
}
}
static class TestStateMachineModelVerifier implements StateMachineModelVerifier<String, String> {
CountDownLatch latch = new CountDownLatch(1);
@Override
public void verify(StateMachineModel<String, String> model) {
latch.countDown();
}
}
}