public void TestPercentageProcessed()
{
var source = new Mock <ILogSource>();
var sourceProperties = new PropertiesBufferList();
sourceProperties.SetValue(Core.Properties.PercentageProcessed, Percentage.Zero);
source.Setup(x => x.Columns).Returns(Core.Columns.Minimum);
source.Setup(x => x.GetAllProperties(It.IsAny <IPropertiesBuffer>()))
.Callback((IPropertiesBuffer destination) => sourceProperties.CopyAllValuesTo(destination));
source.Setup(x => x.GetProperty(Core.Properties.PercentageProcessed))
.Returns(() => sourceProperties.GetValue(Core.Properties.PercentageProcessed));
source.Setup(x => x.Properties).Returns(() => sourceProperties.Properties);
using (var file = Create(source.Object))
{
var fileListener = (ILogSourceListener)file;
file.GetProperty(Core.Properties.PercentageProcessed).Should().Be(Percentage.Zero, "because the filtered log file hasn't consumed anything of its source (yet)");
_taskScheduler.RunOnce();
file.GetProperty(Core.Properties.PercentageProcessed).Should().Be(Percentage.Zero, "because even though the filter doesn't have anything to do just yet - it's because its own source hasn't even started");
sourceProperties.SetValue(Core.Properties.PercentageProcessed, Percentage.FromPercent(42));
fileListener.OnLogFileModified(source.Object, LogSourceModification.Appended(0, 84));
_taskScheduler.RunOnce();
file.GetProperty(Core.Properties.PercentageProcessed).Should().Be(Percentage.FromPercent(42), "because now the filtered log file has processed 100% of the data the source sent it, but the original data source is still only at 42%");
sourceProperties.SetValue(Core.Properties.PercentageProcessed, Percentage.HundredPercent);
fileListener.OnLogFileModified(source.Object, LogSourceModification.Appended(84, 200));
_taskScheduler.RunOnce();
file.GetProperty(Core.Properties.PercentageProcessed).Should().Be(Percentage.HundredPercent);
}
}
private void UpdatePercentageProcessed(long streamPosition, long fileSize, bool allow100Percent)
{
var processed = Percentage.Of(streamPosition, fileSize).Clamped();
if (processed >= Percentage.FromPercent(99) && !allow100Percent)
{
processed = Percentage.FromPercent(99);
}
_localProperties.SetValue(Core.Properties.PercentageProcessed, processed);
}
