public void Retrieving_an_aggregate_with_expected_version_greater_than_the_actual_version_should_throw_a_concurrency_exception()
{
var aggregate = new TestAggregate(_aggregateIdUnderTest);
for (var i = 0; i < 5; i++)
{
var eventId = Guid.NewGuid();
_storedEvents.Add(eventId);
aggregate.GenerateEvent(eventId);
}
RepoUnderTest.Save(aggregate);
Assert.Throws <AggregateVersionException>(() => RepoUnderTest.GetAggregateFromRepository <TestAggregate>(_aggregateIdUnderTest, 10));
}
public void Retreiving_a_nonexistant_aggregate_id_should_throw_an_exception()
{
var aggregate = new TestAggregate(_aggregateIdUnderTest);
for (var i = 0; i < 2; i++)
{
var eventId = Guid.NewGuid();
_storedEvents.Add(eventId);
aggregate.GenerateEvent(eventId);
}
RepoUnderTest.Save(aggregate);
Assert.Throws <AggregateNotFoundException>(() => RepoUnderTest.GetAggregateFromRepository <TestAggregate>(Guid.NewGuid().ToString()));
}
public void Saving_new_events_to_an_existing_aggregate_should_correctly_persist_events()
{
var aggregate = new TestAggregate(_aggregateIdUnderTest);
RepoUnderTest.Save(aggregate);
_retrievedAggregate = RepoUnderTest.GetAggregateFromRepository <TestAggregate>(_aggregateIdUnderTest);
var eventId = Guid.NewGuid();
_retrievedAggregate.GenerateEvent(eventId);
RepoUnderTest.Save(_retrievedAggregate);
var actualAggregate = RepoUnderTest.GetAggregateFromRepository <TestAggregate>(_aggregateIdUnderTest);
Assert.AreEqual(1, actualAggregate.EventsApplied.Count);
Assert.AreEqual(_aggregateIdUnderTest, actualAggregate.Id);
Assert.AreEqual(eventId, actualAggregate.EventsApplied[0]);
}
public void Retrieving_an_aggregate_with_events_when_specifying_a_version_reconstructs_the_entity_correctly()
{
var aggregate = new TestAggregate(_aggregateIdUnderTest);
for (var i = 0; i < 5; i++)
{
var eventId = Guid.NewGuid();
_storedEvents.Add(eventId);
aggregate.GenerateEvent(eventId);
}
RepoUnderTest.Save(aggregate);
_retrievedAggregate = RepoUnderTest.GetAggregateFromRepository <TestAggregate>(_aggregateIdUnderTest, 6);
Assert.AreEqual(_aggregateIdUnderTest, _retrievedAggregate.Id);
Assert.AreEqual(_storedEvents.Count, _retrievedAggregate.EventsApplied.Count);
foreach (var id in _storedEvents)
{
Assert.Contains(id, _retrievedAggregate.EventsApplied);
}
}
