public void CurrentCycleCannotBeGreaterThanTargetValue()
{
var tested = new TestedTransferProgress();
tested.Start(200);
Assert.Throws <ArgumentOutOfRangeException>(() => tested.ReportProgress(201));
}
public void TestedTransferProgressCompletedPercentNeverGoesAbove100()
{
var tested = new TestedTransferProgress();
tested.Start(1);
tested.ReportProgress();
try { tested.ReportProgress(); } catch { }
Assert.Equal(100, tested.CompletedPercent);
}
public void ProgressCannotRegress()
{
var tested = new TestedTransferProgress();
tested.Start(200);
tested.ReportProgress(100);
Assert.Throws <ArgumentException>(() => tested.ReportProgress(99));
}
public void CurrentCycleStopsIncrementingAfterCompletion()
{
var tested = new TestedTransferProgress();
tested.Start(200);
tested.ReportProgress(200);
try { tested.ReportProgress(200); } catch { }
try { tested.ReportProgress(200); } catch { }
try { tested.ReportProgress(200); } catch { }
try { tested.ReportProgress(200); } catch { }
Assert.Equal(1, tested.CurrentCycle);
}
public void UnpauseUnpauses()
{
var tested = new TestedTransferProgress();
tested.Start(2);
tested.ReportProgress();
tested.Pause();
tested.UnPause();
var elapsed = tested.Elapsed;
Thread.Sleep(1);
Assert.True(tested.Elapsed > elapsed);
}
public void ReportingProgressProperlyUpdatesRemaingPercent(int iterations)
{
var tested = new TestedTransferProgress();
tested.Start(iterations);
var step = 100 / iterations;
for (int i = 0; i < iterations; ++i)
{
tested.ReportProgress();
var expectedCompletedPercent = step * (i + 1);
var expectedRemaingPercent = 100 - expectedCompletedPercent;
Assert.Equal(expectedRemaingPercent, tested.RemainingPercent, 1);
}
}
public void ReportingProgressWithArguementProperlyUpdatesCurrentCycle()
{
var tested = new TestedTransferProgress();
tested.Start(200);
Assert.Equal(0, tested.CurrentCycle);
tested.ReportProgress(100);
Assert.Equal(1, tested.CurrentCycle);
tested.ReportProgress(200);
Assert.Equal(2, tested.CurrentCycle);
}
public void ReportingProgressWithArguementProperlyUpdatesRemainingRawValue()
{
var tested = new TestedTransferProgress();
tested.Start(200);
Assert.Equal(200, tested.RemainingRawValue, 1);
tested.ReportProgress(100);
Assert.Equal(100, tested.RemainingRawValue, 1);
tested.ReportProgress(200);
Assert.Equal(0, tested.RemainingRawValue, 1);
}
public void PausePauses()
{
var tested = new TestedTransferProgress();
tested.Start(2);
tested.ReportProgress();
tested.Pause();
var elapsed = tested.Elapsed;
Thread.Sleep(1);
Assert.Equal(elapsed, tested.Elapsed);
Assert.False(tested.IsRunning);
Assert.True(tested.IsIdle);
}
public void AverageBitrateBpsCalculatesAverageTransferPerSecond()
{
// Arrange
const int bytesToTransfer = 10000;
const int cycles = 2;
const int bytesChunk = 10000 / cycles;
var bytesTransferred = 0;
var tested = new TestedTransferProgress();
tested.Start(bytesToTransfer);
// Act & Assert
for (int i = 0; i < cycles; ++i)
{
bytesTransferred += bytesChunk;
tested.ReportProgress(bytesTransferred);
Assert.True(tested.AverageBitrateBps > 0);
}
}
public void AverageCycleStepIsCorrect()
{
var tested = new TestedTransferProgress();
tested.Start(200);
Assert.Equal(0, tested.AverageCycleStep);
tested.ReportProgress(100);
Assert.Equal(100, tested.AverageCycleStep);
tested.ReportProgress(150);
Assert.Equal(75.0, tested.AverageCycleStep, 1);
tested.ReportProgress(200);
Assert.Equal(66.7, tested.AverageCycleStep, 1);
}
public void LastCycleStepIsCorrect()
{
var tested = new TestedTransferProgress();
tested.Start(200);
Assert.Equal(0, tested.LastCycleStep);
tested.ReportProgress(100);
Assert.Equal(100, tested.LastCycleStep);
tested.ReportProgress(150);
Assert.Equal(50, tested.LastCycleStep);
tested.ReportProgress(200);
Assert.Equal(50, tested.LastCycleStep);
}
public void ReportingProgressRaisesPropertyChangedEvents()
{
var tested = new TestedTransferProgress();
tested.Start(2);
var receivedEvents = new HashSet <string>();
tested.PropertyChanged += delegate(object sender, PropertyChangedEventArgs e)
{
receivedEvents.Add(e.PropertyName);
};
tested.ReportProgress();
Assert.Contains(nameof(tested.AverageCycleDuration), receivedEvents);
Assert.Contains(nameof(tested.AverageCycleStep), receivedEvents);
Assert.Contains(nameof(tested.CompletedPercent), receivedEvents);
Assert.Contains(nameof(tested.CompletedRawValue), receivedEvents);
Assert.Contains(nameof(tested.CurrentCycle), receivedEvents);
Assert.Contains(nameof(tested.CurrentRawValue), receivedEvents);
Assert.Contains(nameof(tested.Elapsed), receivedEvents);
Assert.Contains(nameof(tested.IsIdle), receivedEvents);
Assert.Contains(nameof(tested.IsRunning), receivedEvents);
Assert.Contains(nameof(tested.LastCycleStep), receivedEvents);
Assert.Contains(nameof(tested.PreviousRawValue), receivedEvents);
Assert.Contains(nameof(tested.RemainingCyclesEstimate), receivedEvents);
Assert.Contains(nameof(tested.RemainingPercent), receivedEvents);
Assert.Contains(nameof(tested.RemainingRawValue), receivedEvents);
Assert.Contains(nameof(tested.RemainingTimeEstimate), receivedEvents);
Assert.Contains(nameof(tested.UsedAtLestOnce), receivedEvents);
Assert.Contains(nameof(tested.LastCycleTotalMillisecondsElapsed), receivedEvents);
Assert.Contains(nameof(tested.CurrentCycleDuration), receivedEvents);
Assert.Contains(nameof(tested.LastCycleDurationMs), receivedEvents);
Assert.Contains(nameof(tested.AverageBitrateBps), receivedEvents);
Assert.Contains(nameof(tested.BitrateBps), receivedEvents);
//Assert.Contains(nameof(tested.TargetCycleEstimate), receivedEvents);
//Assert.Contains(nameof(tested.TargetRawValue), receivedEvents);
}
public void TargetCycleEstimateIsCorrectEnough()
{
var tested = new TestedTransferProgress();
tested.Start(200);
Assert.Equal(200, tested.TargetCycleEstimate);
tested.ReportProgress(99);
Assert.Equal(2, tested.TargetCycleEstimate, 1);
tested.ReportProgress(100);
Assert.Equal(4, tested.TargetCycleEstimate, 1);
tested.ReportProgress(101);
Assert.Equal(5.9, tested.TargetCycleEstimate, 1);
tested.ReportProgress(200);
Assert.Equal(4, tested.TargetCycleEstimate, 1);
}
public void RemainingCyclesEstimateIsCorrectEnough()
{
var tested = new TestedTransferProgress();
tested.Start(200);
Assert.Equal(200, tested.RemainingCyclesEstimate);
tested.ReportProgress(99);
Assert.Equal(1, tested.RemainingCyclesEstimate, 1);
tested.ReportProgress(100);
Assert.Equal(2, tested.RemainingCyclesEstimate, 1);
tested.ReportProgress(101);
Assert.Equal(2.9, tested.RemainingCyclesEstimate, 1);
tested.ReportProgress(200);
Assert.Equal(0, tested.RemainingCyclesEstimate, 1);
}
public void ThrowsExceptionWhenTargetValueInvalid()
{
var tested = new TestedTransferProgress();
Assert.Throws <ArgumentOutOfRangeException>(() => { tested.Start(-100); });
}