public void WhenAnEventsAreReplayed_ThenTheNextEventVersionShouldBeInitializedProperly()
{
var entity = new AggregateRootFake
{
Id = new FakeId()
};
var event1 = new FakeEvent(
Guid.NewGuid(),
entity.Id.Value,
entity.Id.Value,
DateTime.UtcNow,
1
);
var event2 = new FakeEvent(
Guid.NewGuid(),
entity.Id.Value,
entity.Id.Value,
DateTime.UtcNow,
2
);
entity.Replay(event1);
entity.Replay(event2);
entity.Increment();
entity.Changes[0].Version.Should().Be(3);
}
public void WhenAnEventsAreReplayed_AnErrorShouldBeThrownIfTheirIsAVersionMismatch()
{
var entity = new AggregateRootFake
{
Id = new FakeId()
};
var event1 = new FakeEvent(
Guid.NewGuid(),
entity.Id.Value,
entity.Id.Value,
DateTime.UtcNow,
1
);
var event2 = new FakeEvent(
Guid.NewGuid(),
entity.Id.Value,
entity.Id.Value,
DateTime.UtcNow,
100
);
entity.Replay(event1);
entity.Invoking(e => e.Replay(event2))
.Should().Throw <EntityException>()
.WithMessage("Unexpected event version. Expected version '100' to be '2'");
}