public async Task When_an_aggregate_has_pending_events_then_creating_a_snapshot_throws()
{
var account = new CustomerAccount().Apply(new RequestSpam());
await Configuration.Current.Repository<CustomerAccount>().Save(account);
await account.ApplyAsync(new NotifyOrderCanceled());
var repository = Configuration.Current.SnapshotRepository();
Action save = () => repository.SaveSnapshot(account).Wait();
save.ShouldThrow<InvalidOperationException>()
.WithMessage("A snapshot can only be created from an aggregate having no pending events. Save the aggregate before creating a snapshot.");
}
public async Task When_an_aggregate_has_pending_events_then_creating_a_snapshot_throws()
{
var account = new CustomerAccount().Apply(new RequestSpam());
await Configuration.Current.Repository <CustomerAccount>().Save(account);
await account.ApplyAsync(new NotifyOrderCanceled());
var repository = Configuration.Current.SnapshotRepository();
Action save = () => repository.SaveSnapshot(account).Wait();
save.ShouldThrow <InvalidOperationException>()
.WithMessage("A snapshot can only be created from an aggregate having no pending events. Save the aggregate before creating a snapshot.");
}