/*
* Copyright (c) 2010-2012. Axon Framework
*
* 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.axonframework.commandhandling;
import org.axonframework.domain.DomainEventMessage;
import org.axonframework.domain.DomainEventStream;
import org.axonframework.domain.SimpleDomainEventStream;
import org.axonframework.domain.StubAggregate;
import org.axonframework.eventhandling.EventBus;
import org.axonframework.eventsourcing.EventSourcingRepository;
import org.axonframework.eventstore.EventStore;
import org.axonframework.unitofwork.CurrentUnitOfWork;
import org.axonframework.unitofwork.DefaultUnitOfWork;
import org.junit.*;
import java.util.ArrayList;
import java.util.LinkedList;
import java.util.List;
import static org.junit.Assert.*;
import static org.mockito.Mockito.*;
/**
*
*/
public class CommandHandlingTest {
private EventSourcingRepository<StubAggregate> repository;
private Object aggregateIdentifier;
private EventBus mockEventBus;
private EventStore mockEventStore;
@Before
public void setUp() {
mockEventStore = new StubEventStore();
repository = new EventSourcingRepository<StubAggregate>(StubAggregate.class, mockEventStore);
mockEventBus = mock(EventBus.class);
repository.setEventBus(mockEventBus);
aggregateIdentifier = "testAggregateIdentifier";
}
@Test
public void testCommandHandlerLoadsSameAggregateTwice() {
DefaultUnitOfWork.startAndGet();
StubAggregate stubAggregate = new StubAggregate(aggregateIdentifier);
stubAggregate.doSomething();
repository.add(stubAggregate);
CurrentUnitOfWork.commit();
DefaultUnitOfWork.startAndGet();
repository.load(aggregateIdentifier).doSomething();
repository.load(aggregateIdentifier).doSomething();
CurrentUnitOfWork.commit();
DomainEventStream es = mockEventStore.readEvents("", aggregateIdentifier);
assertTrue(es.hasNext());
assertEquals((Object) 0L, es.next().getSequenceNumber());
assertTrue(es.hasNext());
assertEquals((Object) 1L, es.next().getSequenceNumber());
assertTrue(es.hasNext());
assertEquals((Object) 2L, es.next().getSequenceNumber());
assertFalse(es.hasNext());
}
/**
*
*/
public static class StubEventStore implements EventStore {
private List<DomainEventMessage> storedEvents = new LinkedList<DomainEventMessage>();
@Override
public void appendEvents(String type, DomainEventStream events) {
while (events.hasNext()) {
storedEvents.add(events.next());
}
}
@Override
public DomainEventStream readEvents(String type, Object identifier) {
return new SimpleDomainEventStream(new ArrayList<DomainEventMessage>(storedEvents));
}
}
}