private IDisposable ShouldRemoveFullNameWhenDeleteInvoked()
{
return(_delete
.WithLatestFrom(_selected, (obj, selected) => selected)
.Where(selected => selected.HasValue)
.WithLatestFrom(_allNames, (selected, allNames) => allNames.Except(new[] { selected.Value }).ToArray())
.Subscribe(_allNames));
}
private IDisposable ShouldDisplayMessageWhenBookInvoked()
{
var message = Observable.CombineLatest(_flightType, _outboundDate, _returnDate, MessageText);
return(_book
.WithLatestFrom(message, (_, m) => m)
.Select(m => string.IsNullOrEmpty(m)
? Observable.Return(string.Empty)
: Observable.Merge(Observable.Return(m), Observable.Return(string.Empty).Delay(TimeSpan.FromSeconds(5), _scheduler)))
.Switch()
.Subscribe(_message));
}
private IDisposable ShouldUpdateFullNameWhenUpdatedInvoked()
{
return(_update
.WithLatestFrom(_selected, (obj, selected) => selected)
.WithLatestFrom(_fullName, (selected, fullName) => new { Selected = selected, FullName = fullName })
.Where(tuple => tuple.Selected.HasValue && tuple.FullName.HasValue)
.WithLatestFrom(_allNames, (tuple, allNames) => allNames
.TakeWhile(name => !name.Equals(tuple.Selected.Value))
.Concat(new[] { tuple.FullName.Value })
.Concat(allNames.SkipWhile(name => !name.Equals(tuple.Selected)).Skip(1))
.ToArray())
.Subscribe(_allNames));
}
private IDisposable ShouldAddFullNameWhenCreateInvoked()
{
var allNames = _create
.WithLatestFrom(_fullName, (obj, name) => name)
.Where(fullName => fullName.HasValue)
.WithLatestFrom(_allNames, (current, all) => all.Concat(new[] { current.Value }))
.Publish()
.RefCount();
return(new CompositeDisposable(
allNames.Subscribe(_allNames),
allNames.Select(_ => (FullName?)null).Subscribe(_selected)
));
}