public void Find_should_return_hydrated_entity_when_it_has_snapsot_and_no_later_events()
{
var entityId = Guid.NewGuid();
var snapshot = new MementoOriginator.Memento
{
SourceId = entityId,
Version = 3,
Value = 30
};
var eventStoreMock = new Mock <IEventStore>();
eventStoreMock.Setup(eventStore => eventStore.Load(entityId, snapshot.Version + 1)).Returns(Enumerable.Empty <Commit>);
var snapshotStoreMock = new Mock <ISnapshotStore>();
snapshotStoreMock.Setup(snapshotStore => snapshotStore.Get(entityId, int.MaxValue)).Returns(() => snapshot);
var repository = new EventSourcedRepository <MementoOriginator>(eventStoreMock.Object, snapshotStoreMock.Object);
var entity = repository.Find(entityId);
entity.Id.Should().Be(entityId);
entity.Version.Should().Be(snapshot.Version);
entity.Value.Should().Be(snapshot.Value);
}
public void Find_should_return_null_when_there_are_no_evetns_with_specified_source_id()
{
var eventStoreMock = new Mock <IEventStore>();
eventStoreMock.Setup(eventStore => eventStore.Load(It.IsAny <Guid>(), 0)).Returns(Enumerable.Empty <Commit>);
var repository = new EventSourcedRepository <CorrectEventSourced>(eventStoreMock.Object);
repository.Find(Guid.NewGuid()).Should().BeNull();
}
public void Find_should_return_hydrated_entity_when_it_has_snapsot_and_events()
{
var entityId = Guid.NewGuid();
var snapshot = new MementoOriginator.Memento
{
SourceId = entityId,
Version = 3,
Value = 30
};
var events = new IEvent[]
{
new CorrectEventSourced.Updated {
SourceId = entityId, SourceVersion = snapshot.Version + 1, Value = 40
},
new CorrectEventSourced.Updated {
SourceId = entityId, SourceVersion = snapshot.Version + 2, Value = 50
}
};
var commit = new Commit
{
Id = Guid.NewGuid(),
SourceId = entityId,
Changes = events
};
var snapshotStoreMock = new Mock <ISnapshotStore>();
snapshotStoreMock.Setup(snapshotStore => snapshotStore.Get(entityId, int.MaxValue)).Returns(() => snapshot);
var eventStoreMock = new Mock <IEventStore>();
eventStoreMock.Setup(eventStore => eventStore.Load(entityId, snapshot.Version + 1)).Returns(new[] { commit });
var repository = new EventSourcedRepository <MementoOriginator>(eventStoreMock.Object, snapshotStoreMock.Object);
var entity = repository.Find(entityId);
entity.Id.Should().Be(entityId);
entity.Version.Should().Be(events.Last().SourceVersion);
entity.Value.Should().Be(events.OfType <CorrectEventSourced.Updated>().Last().Value);
}
public void Find_should_return_hydrated_entity_when_it_has_events()
{
var entityId = Guid.NewGuid();
var events = new IEvent[]
{
new CorrectEventSourced.Created {
SourceId = entityId, SourceVersion = 1, Value = 1
},
new CorrectEventSourced.Updated {
SourceId = entityId, SourceVersion = 2, Value = 20
},
new CorrectEventSourced.Updated {
SourceId = entityId, SourceVersion = 3, Value = 30
}
};
var commit = new Commit
{
Id = Guid.NewGuid(),
SourceId = entityId,
Changes = events
};
var eventStoreMock = new Mock <IEventStore>();
eventStoreMock.Setup(eventStore => eventStore.Load(entityId, 0)).Returns(new [] { commit });
var repository = new EventSourcedRepository <CorrectEventSourced>(eventStoreMock.Object);
var entity = repository.Find(entityId);
entity.Id.Should().Be(entityId);
entity.Version.Should().Be(events.Last().SourceVersion);
entity.Value.Should().Be(events.Cast <dynamic>().Last().Value);
}