public BlockTimerWindow(BlockItem Model)
{
this.InitializeComponent();
ViewModel = new BlockTimerViewModel(Model);
// N.B: This is a bit of a hack - the completion of this observable
// happens regardless of the value; I tried to use OnError for this
// instead but it actually ended up throwing the exception.
ViewModel.TimerState
.Where(x => x == BlockTimerViewState.ShouldCancel)
.Subscribe(
_ => Dispatcher.BeginInvoke(new Action(() => Close())),
() => Dispatcher.BeginInvoke(new Action(() => Close())));
Observable.Merge(
Observable.FromEvent<SizeChangedEventArgs>(this, "SizeChanged").Select(_ => new Unit()),
ViewModel.WhenAny(x => x.ProgressPercentage, _ => new Unit()))
.Select(_ => progressParentBorder.ActualWidth * ViewModel.ProgressPercentage)
.Subscribe(x => progressBorder.Width = x);
}
public void ProgressBarShouldntMoveDuringAPause()
{
(new TestScheduler()).With(sched => {
double lastPercentage = -1.0;
var fixture = new BlockTimerViewModel(new BlockItem() { Description = "Test Item" });
fixture.WhenAny(x => x.ProgressPercentage, x => x.Value).Subscribe(x => lastPercentage = x);
fixture.Start.Execute(null);
// At the beginning we should be zero
sched.RunToMilliseconds(10);
lastPercentage.AssertWithinEpsilonOf(0.0);
// Run to exactly half of the work time 25 mins / 2
sched.RunToMilliseconds((12 * 60 + 30) * 1000);
lastPercentage.AssertWithinEpsilonOf(0.5);
// Simulate hitting the Pause button
fixture.Pause.Execute(null);
// Run to 20 minutes; the progress bar shouldn't have moved
// since we were paused
sched.RunToMilliseconds(20 * 60 * 1000);
lastPercentage.AssertWithinEpsilonOf(0.5);
fixture.Start.Execute(null);
// Move to 25 minutes; the progress bar should've moved 5
// minutes worth (remember, since we were paused from 12min
// to 20min
sched.RunToMilliseconds(25 * 60 * 1000);
lastPercentage.AssertWithinEpsilonOf(0.5 + 0.2);
});
}
public void ProgressBarValueIsAccurate()
{
(new TestScheduler()).With(sched => {
double lastPercentage = -1.0;
var fixture = new BlockTimerViewModel(new BlockItem() { Description = "Test Item" });
fixture.WhenAny(x => x.ProgressPercentage, x => x.Value).Subscribe(x => lastPercentage = x);
fixture.Start.Execute(null);
// At the beginning we should be zero
sched.RunToMilliseconds(10);
lastPercentage.AssertWithinEpsilonOf(0.0);
// Run to exactly half of the work time 25 mins / 2
sched.RunToMilliseconds((12 * 60 + 30) * 1000);
lastPercentage.AssertWithinEpsilonOf(0.5);
// Run to a little before the end, should be near 1.0
sched.RunToMilliseconds(25 * 60 * 1000 - 10);
lastPercentage.AssertWithinEpsilonOf(1.0);
// Step to the beginning of the break, we should've moved back
// to zero
sched.RunToMilliseconds(25 * 60 * 1000 + 1010);
lastPercentage.AssertWithinEpsilonOf(0.0);
// Finally run to the end of the break
sched.RunToMilliseconds(30 * 60 * 1000 - 10);
lastPercentage.AssertWithinEpsilonOf(1.0);
});
}
