/*
* 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.zookeeper;
import static org.hamcrest.Matchers.is;
import static org.junit.Assert.assertThat;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import org.apache.curator.framework.CuratorFramework;
import org.apache.zookeeper.data.Stat;
import org.junit.Test;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;
import org.springframework.messaging.MessageHeaders;
import org.springframework.statemachine.StateMachineContext;
import org.springframework.statemachine.StateMachinePersist;
import org.springframework.statemachine.support.DefaultExtendedState;
import org.springframework.statemachine.support.DefaultStateMachineContext;
public class ZookeeperStateMachinePersistTests extends AbstractZookeeperTests {
@Override
protected AnnotationConfigApplicationContext buildContext() {
return new AnnotationConfigApplicationContext();
}
@Test
public void testStateEvent() throws Exception {
context.register(ZkServerConfig.class, BaseConfig.class);
context.refresh();
CuratorFramework curatorClient =
context.getBean("curatorClient", CuratorFramework.class);
curatorClient.create().forPath("/KryoStateMachinePersistTests");
StateMachinePersist<String, String, Stat> persist = new ZookeeperStateMachinePersist<String, String>(
curatorClient, "/KryoStateMachinePersistTests");
StateMachineContext<String, String> contextOut =
new DefaultStateMachineContext<String, String>("S1", "E1", new HashMap<String, Object>(), new DefaultExtendedState());
persist.write(contextOut, new Stat());
StateMachineContext<String, String> contextIn = persist.read(new Stat());
assertThat(contextOut.getState(), is(contextIn.getState()));
assertThat(contextOut.getEvent(), is(contextIn.getEvent()));
}
@Test
public void testLogs() throws Exception {
context.register(ZkServerConfig.class, BaseConfig.class);
context.refresh();
CuratorFramework curatorClient =
context.getBean("curatorClient", CuratorFramework.class);
curatorClient.create().forPath("/KryoStateMachinePersistTests");
ZookeeperStateMachinePersist<String, String> persist = new ZookeeperStateMachinePersist<String, String>(
curatorClient, "/KryoStateMachinePersistTests", "/KryoStateMachinePersistTestsLogs", 32);
for (int i = 0; i < 10; i++) {
curatorClient.create().creatingParentsIfNeeded().forPath("/KryoStateMachinePersistTestsLogs/" + i);
}
for (int i = 0; i < 10; i++) {
Stat stat = new Stat();
stat.setVersion(i);
StateMachineContext<String, String> contextOut =
new DefaultStateMachineContext<String, String>("S" + i, "E" + i, new HashMap<String, Object>(), new DefaultExtendedState());
persist.write(contextOut, stat);
}
for (int i = 0; i < 10; i++) {
StateMachineContext<String, String> contextIn = persist.readLog(i, new Stat());
assertThat(contextIn.getState(), is("S" + i));
assertThat(contextIn.getEvent(), is("E" + i));
}
}
@Test
public void testEventHeaders() throws Exception {
context.register(ZkServerConfig.class, BaseConfig.class);
context.refresh();
CuratorFramework curatorClient =
context.getBean("curatorClient", CuratorFramework.class);
curatorClient.create().forPath("/KryoStateMachinePersistTests");
StateMachinePersist<String, String, Stat> persist = new ZookeeperStateMachinePersist<String, String>(
curatorClient, "/KryoStateMachinePersistTests");
HashMap<String, Object> eventHeaders = new HashMap<String, Object>();
eventHeaders.put("foo", "jee");
StateMachineContext<String, String> contextOut =
new DefaultStateMachineContext<String, String>("S1", "E1", eventHeaders, new DefaultExtendedState());
persist.write(contextOut, new Stat());
StateMachineContext<String, String> contextIn = persist.read(new Stat());
assertThat(contextOut.getState(), is(contextIn.getState()));
assertThat(contextOut.getEvent(), is(contextIn.getEvent()));
assertThat(contextOut.getEventHeaders().get("foo"), is(contextIn.getEventHeaders().get("foo")));
}
@Test
public void testEventHeadersAsMessageHeaders() throws Exception {
context.register(ZkServerConfig.class, BaseConfig.class);
context.refresh();
CuratorFramework curatorClient =
context.getBean("curatorClient", CuratorFramework.class);
curatorClient.create().forPath("/KryoStateMachinePersistTests");
StateMachinePersist<String, String, Stat> persist = new ZookeeperStateMachinePersist<String, String>(
curatorClient, "/KryoStateMachinePersistTests");
HashMap<String, Object> eventHeaders = new HashMap<String, Object>();
eventHeaders.put("foo", "jee");
MessageHeaders messageHeaders = new MessageHeaders(eventHeaders);
StateMachineContext<String, String> contextOut =
new DefaultStateMachineContext<String, String>("S1", "E1", messageHeaders, new DefaultExtendedState());
persist.write(contextOut, new Stat());
StateMachineContext<String, String> contextIn = persist.read(new Stat());
assertThat(contextOut.getState(), is(contextIn.getState()));
assertThat(contextOut.getEvent(), is(contextIn.getEvent()));
assertThat(contextOut.getEventHeaders().get("foo"), is(contextIn.getEventHeaders().get("foo")));
}
@Test
public void testExtendedState() throws Exception {
context.register(ZkServerConfig.class, BaseConfig.class);
context.refresh();
CuratorFramework curatorClient =
context.getBean("curatorClient", CuratorFramework.class);
curatorClient.create().forPath("/KryoStateMachinePersistTests");
StateMachinePersist<String, String, Stat> persist = new ZookeeperStateMachinePersist<String, String>(
curatorClient, "/KryoStateMachinePersistTests");
HashMap<String, Object> eventHeaders = new HashMap<String, Object>();
HashMap<Object, Object> variables = new HashMap<Object, Object>();
variables.put("foo", "jee");
StateMachineContext<String, String> contextOut =
new DefaultStateMachineContext<String, String>("S1", "E1", eventHeaders, new DefaultExtendedState(variables));
persist.write(contextOut, new Stat());
StateMachineContext<String, String> contextIn = persist.read(new Stat());
assertThat(contextOut.getState(), is(contextIn.getState()));
assertThat(contextOut.getEvent(), is(contextIn.getEvent()));
assertThat(contextOut.getExtendedState().getVariables().get("foo"), is(contextIn.getExtendedState().getVariables().get("foo")));
}
@Test
public void testChilds() throws Exception {
context.register(ZkServerConfig.class, BaseConfig.class);
context.refresh();
CuratorFramework curatorClient =
context.getBean("curatorClient", CuratorFramework.class);
curatorClient.create().forPath("/KryoStateMachinePersistTests");
StateMachinePersist<String, String, Stat> persist = new ZookeeperStateMachinePersist<String, String>(
curatorClient, "/KryoStateMachinePersistTests");
StateMachineContext<String, String> child =
new DefaultStateMachineContext<String, String>("S2", "E2", new HashMap<String, Object>(), new DefaultExtendedState());
List<StateMachineContext<String, String>> childs = new ArrayList<StateMachineContext<String, String>>();
childs.add(child);
StateMachineContext<String, String> contextOut =
new DefaultStateMachineContext<String, String>(childs, "S1", "E1", new HashMap<String, Object>(), new DefaultExtendedState());
persist.write(contextOut, new Stat());
StateMachineContext<String, String> contextIn = persist.read(new Stat());
assertThat(contextOut.getState(), is(contextIn.getState()));
assertThat(contextOut.getEvent(), is(contextIn.getEvent()));
assertThat(contextIn.getChilds().size(), is(1));
assertThat(contextIn.getChilds().get(0).getEvent(), is("E2"));
}
}