public void SaveAggregateRootAndSubscribeEventTest()
{
var serviceCollection = new ServiceCollection();
var names = new List <string>();
serviceCollection.AddSingleton(names);
var executionContext = new ServiceProviderMessageHandlerExecutionContext(serviceCollection);
using (var eventPublisher = new RabbitEventBus(connectionFactory, messageSerializer, executionContext, this.GetType().Name))
using (var eventStore = new PostgreSqlEventStore(new AdoNetEventStoreConfiguration(PostgreSQLFixture.ConnectionString, new GuidKeyGenerator()), eventStoreSerializer))
using (var repository = new EventSourcingDomainRepository(eventStore, eventPublisher, snapshotProvider))
{
int eventsReceived = 0;
var ackCnt = 0;
var subscriber = (IEventSubscriber)eventPublisher;
subscriber.MessageReceived += (a, b) => eventsReceived++;
subscriber.MessageAcknowledged += (x, y) => ackCnt++;
subscriber.Subscribe <NameChangedEvent, NameChangedEventHandler>();
subscriber.Subscribe <TitleChangedEvent, TitleChangedEventHandler>();
var aggregateRootId = Guid.NewGuid();
var employee = new Employee(aggregateRootId);
employee.ChangeName("daxnet");
employee.ChangeTitle("developer");
repository.Save <Guid, Employee>(employee);
while (ackCnt < 2)
{
;
}
Assert.Equal(2, eventsReceived);
}
}
public void SaveAggregateRootAndSubscribeEventTest()
{
using (var eventPublisher = new EventBus(connectionFactory, serializer, this.GetType().Name))
using (var eventStore = new PostgreSqlEventStore(new AdoNetEventStoreConfiguration(PostgreSQLFixture.ConnectionString, new GuidKeyGenerator()), serializer))
using (var repository = new EventSourcingDomainRepository(eventStore, eventPublisher))
{
int eventsReceived = 0;
var ackCnt = 0;
var subscriber = (IEventSubscriber)eventPublisher;
subscriber.MessageReceived += (a, b) => eventsReceived++;
subscriber.MessageAcknowledged += (x, y) => ackCnt++;
subscriber.Subscribe();
var aggregateRootId = Guid.NewGuid();
var employee = new Employee {
Id = aggregateRootId
};
employee.ChangeName("daxnet");
employee.ChangeTitle("developer");
repository.Save <Guid, Employee>(employee);
while (ackCnt < 2)
{
;
}
Assert.Equal(2, eventsReceived);
}
}
public void SimpleCQRSScenarioTest1()
{
var changedName = string.Empty;
var eventStore = new DictionaryEventStore();
var eventBus = new EventBus();
var snapshotProvider = new SuppressedSnapshotProvider();
eventBus.MessageReceived += (s, e) =>
{
if (e.Message is NameChangedEvent)
{
changedName = (e.Message as NameChangedEvent).Name;
}
};
eventBus.Subscribe();
var domainRepository = new EventSourcingDomainRepository(eventStore, eventBus, snapshotProvider);
var id = Guid.NewGuid();
var model = new Employee(id);
model.ChangeName("daxnet");
domainRepository.Save <Guid, Employee>(model);
Assert.Equal("daxnet", changedName);
}
public void SimpleCQRSScenarioTest1()
{
var serviceCollection = new ServiceCollection();
var messageHandlerExecutionContext = new ServiceProviderMessageHandlerExecutionContext(serviceCollection);
var changedName = string.Empty;
var eventStore = new DictionaryEventStore();
var eventBus = new SimpleEventBus(new MessageJsonSerializer(), messageHandlerExecutionContext);
var snapshotProvider = new SuppressedSnapshotProvider();
eventBus.MessageReceived += (s, e) =>
{
if (e.Message is NameChangedEvent)
{
changedName = (e.Message as NameChangedEvent).Name;
}
};
var domainRepository = new EventSourcingDomainRepository(eventStore, eventBus, snapshotProvider);
var id = Guid.NewGuid();
var model = new Employee(id);
model.ChangeName("daxnet");
domainRepository.Save <Guid, Employee>(model);
Assert.Equal("daxnet", changedName);
}
public void SaveSnapshotCountTest2()
{
var aggregateRootId = Guid.NewGuid();
var employee = new Employee(aggregateRootId);
var localSnapshotProvider = new InMemorySnapshotProvider();
var localRepository = new EventSourcingDomainRepository(eventStore, eventPublisher, localSnapshotProvider);
for (var i = 0; i < 31; i++)
{
employee.ChangeName($"daxnet_{i}");
}
localRepository.Save <Guid, Employee>(employee);
for (var i = 0; i < 31; i++)
{
employee.ChangeTitle($"Developer_{i}");
}
localRepository.Save <Guid, Employee>(employee);
Assert.Equal(2, localSnapshotProvider.snapshots.Count);
}
public void SaveAggregateRootTest()
{
using (var eventPublisher = new EventBus(connectionFactory, messageSerializer, this.GetType().Name))
using (var eventStore = new PostgreSqlEventStore(new AdoNetEventStoreConfiguration(PostgreSQLFixture.ConnectionString, new GuidKeyGenerator()), eventStoreSerializer))
using (var repository = new EventSourcingDomainRepository(eventStore, eventPublisher, snapshotProvider))
{
var aggregateRootId = Guid.NewGuid();
var employee = new Employee(aggregateRootId);
employee.ChangeName("daxnet");
employee.ChangeTitle("developer");
Assert.Equal(3, employee.Version);
repository.Save <Guid, Employee>(employee);
Assert.Equal(3, employee.Version);
}
}
public void LoadFromSnapshotTest2()
{
var aggregateRootId = Guid.NewGuid();
var employee = new Employee(aggregateRootId);
var localSnapshotProvider = new InMemorySnapshotProvider();
var localRepository = new EventSourcingDomainRepository(eventStore, eventPublisher, localSnapshotProvider);
for (var i = 0; i < 31; i++)
{
employee.ChangeName($"daxnet_{i}");
}
localRepository.Save <Guid, Employee>(employee);
for (var i = 0; i < 4; i++)
{
employee.ChangeTitle($"Software Developer_{i}");
}
localRepository.Save <Guid, Employee>(employee);
var employee2 = localRepository.GetById <Guid, Employee>(aggregateRootId);
Assert.Equal(employee.Name, employee2.Name);
Assert.Equal(employee.Title, employee2.Title);
}
public void GetByVersionTest1()
{
using (var eventPublisher = new EventBus(connectionFactory, messageSerializer, this.GetType().Name))
using (var eventStore = new PostgreSqlEventStore(new AdoNetEventStoreConfiguration(PostgreSQLFixture.ConnectionString, new GuidKeyGenerator()), eventStoreSerializer))
using (var repository = new EventSourcingDomainRepository(eventStore, eventPublisher, snapshotProvider))
{
var aggregateRootId = Guid.NewGuid();
var employee = new Employee(aggregateRootId);
employee.ChangeName("daxnet");
employee.ChangeTitle("developer");
employee.Register();
repository.Save <Guid, Employee>(employee);
var employee2 = repository.GetById <Guid, Employee>(aggregateRootId, 2); // Load 2 events as the first one is the aggregate created event.
Assert.Equal(employee.Name, employee2.Name);
Assert.Null(employee2.Title);
Assert.Equal(DateTime.MinValue, employee2.DateRegistered);
}
}
public void EventSequenceAfterSaveTest()
{
using (var eventPublisher = new EventBus(connectionFactory, messageSerializer, this.GetType().Name))
using (var eventStore = new PostgreSqlEventStore(new AdoNetEventStoreConfiguration(PostgreSQLFixture.ConnectionString, new GuidKeyGenerator()), eventStoreSerializer))
using (var repository = new EventSourcingDomainRepository(eventStore, eventPublisher, snapshotProvider))
{
var aggregateRootId = Guid.NewGuid();
var employee = new Employee(aggregateRootId);
employee.ChangeName("daxnet");
employee.ChangeTitle("developer");
repository.Save <Guid, Employee>(employee);
var events = eventStore.Load <Guid>(typeof(Employee).AssemblyQualifiedName, aggregateRootId).ToList();
Assert.Equal(3, events.Count);
Assert.Equal(1, (events[0] as IDomainEvent).Sequence);
Assert.Equal(2, (events[1] as IDomainEvent).Sequence);
Assert.Equal(3, (events[2] as IDomainEvent).Sequence);
}
}
public void LoadAggregateRootTest()
{
using (var eventPublisher = new EventBus(connectionFactory, serializer, this.GetType().Name))
using (var eventStore = new PostgreSqlEventStore(new AdoNetEventStoreConfiguration(PostgreSQLFixture.ConnectionString, new GuidKeyGenerator()), serializer))
using (var repository = new EventSourcingDomainRepository(eventStore, eventPublisher))
{
var aggregateRootId = Guid.NewGuid();
var employee = new Employee {
Id = aggregateRootId
};
employee.ChangeName("daxnet");
employee.ChangeTitle("developer");
repository.Save <Guid, Employee>(employee);
var employee2 = repository.GetById <Guid, Employee>(aggregateRootId);
Assert.Equal("daxnet", employee2.Name);
Assert.Equal("Sr. developer", employee2.Title);
Assert.Equal(2, employee2.Version);
}
}
public void LoadAggregateRootTest()
{
var serviceCollection = new ServiceCollection();
var executionContext = new ServiceProviderMessageHandlerExecutionContext(serviceCollection);
using (var eventPublisher = new RabbitEventBus(connectionFactory, messageSerializer, executionContext, this.GetType().Name))
using (var eventStore = new PostgreSqlEventStore(new AdoNetEventStoreConfiguration(PostgreSQLFixture.ConnectionString, new GuidKeyGenerator()), eventStoreSerializer))
using (var repository = new EventSourcingDomainRepository(eventStore, eventPublisher, snapshotProvider))
{
var aggregateRootId = Guid.NewGuid();
var employee = new Employee(aggregateRootId);
employee.ChangeName("daxnet");
employee.ChangeTitle("developer");
repository.Save <Guid, Employee>(employee);
var employee2 = repository.GetById <Guid, Employee>(aggregateRootId);
Assert.Equal("daxnet", employee2.Name);
Assert.Equal("Sr. developer", employee2.Title);
Assert.Equal(3, employee2.Version);
}
}