public void GivenEmptyEventStore_WhenAddingEventsInBulk_ThenStoreShouldContainThoseEvents()
{
// Arrange
IEventStore store = new InMemoryEventStore();
var user = new User();
user.Register();
user.ChangePassword("newpassword");
// Act
store.Store(user.Id, user.GetUncommittedEvents());
// Assert
CollectionAssert.IsNotEmpty(((InMemoryEventStore)store).Events);
CollectionAssert.AreEqual(user.GetUncommittedEvents(), ((InMemoryEventStore)store).Events);
}
public void AcceptingEvents_GivenAggregateWithUncommittedEvents_ShouldClearUncommittedEvents()
{
// Arrange
var user = new User();
user.Register();
user.ChangePassword("newpassword");
// Act
var userRegisteredEvent = new UserRegistered(user.Id);
var userChangedPasswordEvent = new UserChangedPassword("newpassword") { ParentVersion = userRegisteredEvent.Version };
IEnumerable<object> expectedBefore = new object[] { userRegisteredEvent, userChangedPasswordEvent };
IEnumerable<object> expectedAfter = new object[0];
IEnumerable<object> before = user.GetUncommittedEvents();
user.AcceptUncommittedEvents();
IEnumerable<object> after = user.GetUncommittedEvents();
// Assert
CollectionAssertAreJsonEqual(expectedBefore, before);
CollectionAssertAreJsonEqual(expectedAfter, after);
}
public void GivenAggregateWithUncommittedEvents_WhenSaving_ThenUncommittedEventsShouldBeAccepted()
{
// Arrange
var user = new User();
user.Register();
var repository = new EventSourcingRepository<User>(new InMemoryEventStore(), new Mock<IConcurrencyMonitor>().Object);
// Act
repository.Save(user);
// Assert
CollectionAssert.IsEmpty(user.GetUncommittedEvents());
}
public void InvokingBehaviour_GivenSimpleAggregateRoot_ShouldRecordEvents()
{
// Arrange
var user = new User();
user.Register();
// Act
user.ChangePassword("newpassword");
IEnumerable<object> actual = user.GetUncommittedEvents();
var userRegisteredEvent = new UserRegistered(user.Id);
var userChangedPasswordEvent = new UserChangedPassword("newpassword") { ParentVersion = userRegisteredEvent.Version };
IEnumerable<object> expected = new object[] { userRegisteredEvent, userChangedPasswordEvent };
// Assert
CollectionAssertAreJsonEqual(expected, actual);
}
public void GivenEventStorePopulatedWithEventsForMultipleAggregates_WhenLoadingEventsForAnAggregate_ThenShouldReturnEventsForThatAggregate()
{
// Arrange
IEventStore store = new InMemoryEventStore();
var user1 = new User();
user1.Register();
user1.ChangePassword("user1pwd1");
user1.ChangePassword("user1pwd2");
var user2 = new User();
user2.Register();
user2.ChangePassword("user2pwd1");
user2.ChangePassword("user2pwd2");
store.Store(user1.Id, user1.GetUncommittedEvents());
store.Store(user2.Id, user2.GetUncommittedEvents());
// Act
IEnumerable<object> eventsForUser1 = store.Load(user1.Id);
// Assert
CollectionAssert.AreEqual(user1.GetUncommittedEvents(), eventsForUser1, "Store didn't return user1's events properly.");
}
