public void GivenPopulatedEventStore_WhenLoadingSpecificVersionOfAggregate_ThenRepositoryShouldRebuildThatAggregateToThatVersion()
{
// Arrange
var eventStore = new InMemoryEventStore(new ConsoleLogger());
var userId = Guid.NewGuid();
var events = new EventChain
{
new UserRegistered(userId),
new UserChangedPassword("newpassword"),
new UserChangedPassword("newnewpassword")
};
eventStore.Save <User>(EventStreamIdFormatter.GetStreamId <User>(userId.ToString()), 0, events);
var repository = new EventSourcingRepository <User>(eventStore, new Mock <IConcurrencyMonitor>().Object, _logger);
// Act
User user = repository.Get(userId, events[1].Version);
// Assert
Assert.AreEqual(events[1].Version, user.BaseVersion);
}
public void GivenPopulatedEventStore_WhenLoadingAggregate_ThenRepositoryShouldRebuildThatAggregate()
{
// Arrange
var eventStore = new InMemoryEventStore(new ConsoleLogger());
var userId = Guid.NewGuid();
eventStore.Save <User>(
EventStreamIdFormatter.GetStreamId <User>(userId.ToString()),
0,
new EventChain()
{
new UserRegistered(userId),
new UserChangedPassword("newpassword"),
new UserChangedPassword("newnewpassword")
});
var repository = new EventSourcingRepository <User>(eventStore, new Mock <IConcurrencyMonitor>().Object, _logger);
// Act
User user = repository.Get(userId, 3);
// Assert
Assert.Throws <InvalidOperationException>(() => user.ChangePassword("newnewpassword")); // Should fail if the user's events were correctly applied
}
public void GivenPopulatedEventStore_WhenLoadingAggregate_ThenAggregateVersionShouldReflectStoredEvents()
{
// Arrange
var eventStore = new InMemoryEventStore(new ConsoleLogger());
var userId = Guid.NewGuid();
eventStore.Save <User>(
EventStreamIdFormatter.GetStreamId <User>(userId.ToString()),
EventStreamVersion.NoStream,
new EventChain
{
new UserRegistered(userId),
new UserChangedPassword("newpassword"),
new UserChangedPassword("newnewpassword")
});
var repository = new EventSourcingRepository <User>(eventStore, new Mock <IConcurrencyMonitor>().Object, _logger);
// Act
User user = repository.Get(userId, 2);
// Assert
Assert.AreEqual(2, user.BaseVersion);
}