public async ThreadingTask DoesNotReportThatItemsChangedExactlyOnce()
{
var observer = TestScheduler.CreateObserver <Unit>();
TimeEntriesSource.ItemsChanged.Subscribe(observer);
var timeEntries = Enumerable.Range(0, 10)
.Select(id => new MockTimeEntry {
Id = id, IsDeleted = false, At = DateTimeOffset.Now, Duration = 1
})
.ToList();
var conflictResolutionResult = Observable.Return(timeEntries.Select(te => new UpdateResult <IDatabaseTimeEntry>(te.Id, te)));
Repository.BatchUpdate(
Arg.Any <IEnumerable <(long, IDatabaseTimeEntry)> >(),
Arg.Any <Func <IDatabaseTimeEntry, IDatabaseTimeEntry, ConflictResolutionMode> >(),
Arg.Any <IRivalsResolver <IDatabaseTimeEntry> >())
.Returns(conflictResolutionResult);
await TimeEntriesSource.BatchUpdate(timeEntries);
observer.Messages.Should().HaveCount(1);
}