public void ApplyingNoEvents_GivenNewAggregateObject_ShouldNotModifyState()
{
// Arrange
var user = new User();
// Act
user.ApplyAll(Enumerable.Empty<object>());
// Assert
AssertAreJsonEqual((Guid?)null, user.BaseVersion);
}
public void ApplyingEventsThatHaveBaseType_GivenAnyAggregateObject_ShouldCallAppropriateApplyMethodForEachTypeInEventTypeHierarchy()
{
// Arrange
var user = new User();
var events = new object[] { new UserRegistered(user.Id), new UserChangedPassword("newpassword"), new UserChangedPassword("newerpassword") };
// Act
user.ApplyAll(events);
// Assert
Assert.AreEqual(3, user.ChangeCount);
}
public void ApplyingPreviouslyGeneratedEvents_GivenNewAggregateObject_ShouldBringAggregateBackToPreviousState()
{
// Arrange
var user = new User();
user.Register();
var events = new object[] {new UserRegistered(user.Id), new UserChangedPassword("newpassword"), new UserChangedPassword("newerpassword") };
// Act
user.ApplyAll(events);
// Assert
Assert.Throws<InvalidOperationException>(() => user.ChangePassword("newerpassword"), "Expected exception stating the new password must be different the the previous one, indicating that previous events have replayed successfully.");
}
public void ApplyingPreviousEvents_GivenEventsThatWouldNotSatisfyCurrentInvariantLogic_ShouldNotFail()
{
// Arrange
var userId = Guid.Parse("{42B90234-926D-4AA6-A960-F610D52F8F88}");
var user = new User();
var events = new object[] {new UserRegistered(userId), new UserChangedPassword("newpassword"), new UserChangedPassword("newpassword") };
// Act
user.ApplyAll(events);
// Assert
Assert.Throws<InvalidOperationException>(() => user.ChangePassword("newpassword"), "Expected exception stating the new password must be different the the previous one, indicating that previous events have replayed successfully.");
}
public void InvokingBehaviourOnObjectWithNoIdThatDoesntSetTheId_ShouldFail()
{
var user = new User();
var events = new object[] { /*new UserRegistered(user.Id), */new UserChangedPassword("newpassword"), new UserChangedPassword("newpassword") };
user.ApplyAll(events);
Assert.Throws<IdNotSetException>(() => user.ChangePassword("newnewpassword"));
}