/// <summary>
/// Creates a mock <see cref="IStatistics"/> object.
/// </summary>
/// <returns></returns>
public static Mock <IStatistics> CreateLockableStatistics()
{
var mock = TestUtilities.CreateMockImplementation <IStatistics>();
var lockObject = new object();
var adsbTypeCount = new long[256];
var modeSDFStatistics = new ModeSDFStatistics[32];
var adsbMessageFormatCount = new long[Enum.GetValues(typeof(MessageFormat)).OfType <MessageFormat>().Select(r => (int)r).Max() + 1];
for (var i = 0; i < modeSDFStatistics.Length; ++i)
{
modeSDFStatistics[i] = new ModeSDFStatistics()
{
DF = (DownlinkFormat)i
};
}
mock.Setup(r => r.Lock(It.IsAny <Action <IStatistics> >())).Callback((Action <IStatistics> del) => {
del(mock.Object);
});
mock.Setup(r => r.AdsbTypeCount).Returns(adsbTypeCount);
mock.Setup(r => r.ModeSDFStatistics).Returns(modeSDFStatistics);
mock.Setup(r => r.AdsbMessageFormatCount).Returns(adsbMessageFormatCount);
return(mock);
}
public ModeSDFStatisticsModel(ModeSDFStatistics value)
{
DF = (int)value.DF;
DFName = Enum.GetName(typeof(DownlinkFormat), value.DF);
MessagesReceived = value.MessagesReceived;
BadParityPI = value.BadParityPI;
}
public StatisticsView()
{
_FeedManager = Factory.ResolveSingleton <IFeedManager>();
AdsbMessageTypeCount = new long[256];
ModeSDFStatistics = new ModeSDFStatistics[32];
AdsbMessageFormatCount = new long[Enum.GetValues(typeof(MessageFormat)).OfType <MessageFormat>().Select(r => (int)r).Max() + 1];
}
/// <summary>
/// Creates a new object.
/// </summary>
public StatisticsView() : base()
{
InitializeComponent();
AdsbMessageTypeCount = new long[256];
ModeSDFStatistics = new ModeSDFStatistics[32];
AdsbMessageFormatCount = new long[Enum.GetValues(typeof(MessageFormat)).OfType <MessageFormat>().Select(r => (int)r).Max() + 1];
}
/// <summary>
/// Resets the <see cref="ModeSDFStatistics"/> array.
/// </summary>
private void ResetModeSDFStatistics()
{
for (var i = 0; i < ModeSDFStatistics.Length; ++i)
{
ModeSDFStatistics[i] = new ModeSDFStatistics()
{
DF = (DownlinkFormat)i
};
}
}
/// <summary>
/// See interface docs.
/// </summary>
public void Initialise()
{
if (!_Initialised)
{
AdsbTypeCount = new long[256];
AdsbMessageFormatCount = new long[Enum.GetValues(typeof(MessageFormat)).OfType <MessageFormat>().Select(r => (int)r).Max() + 1];
ModeSDFStatistics = new ModeSDFStatistics[32];
ResetModeSDFStatistics();
_Initialised = true;
}
}
public void StatisticsPresenter_HeartbeatTick_Updates_View_Correctly()
{
var worksheet = new ExcelWorksheetData(TestContext);
var viewProperty = worksheet.String("ViewProperty");
var valueType = worksheet.String("ValueType");
var statistic1 = worksheet.String("Statistic1");
var statistic2 = worksheet.String("Statistic2");
_Presenter.Initialise(_View.Object);
switch (valueType)
{
case "Counter":
SetStatistic(statistic1, 6000000000L);
_HeartbeatService.Raise(r => r.FastTick += null, EventArgs.Empty);
Assert.AreEqual(6000000000L, GetViewLong(viewProperty), viewProperty);
_View.Verify(r => r.UpdateCounters(), Times.Exactly(2));
break;
case "Duration":
var startTimeDuration = new DateTime(2013, 1, 1, 11, 17, 42);
_Clock.UtcNowValue = new DateTime(2013, 1, 2, 12, 0, 0);
var expectedDuration = _Clock.UtcNowValue - startTimeDuration;
SetStatistic(statistic1, startTimeDuration);
_HeartbeatService.Raise(r => r.FastTick += null, EventArgs.Empty);
Assert.AreEqual(expectedDuration, GetViewTimeSpan(viewProperty), viewProperty);
_View.Verify(r => r.UpdateCounters(), Times.Exactly(2));
// Confirm that a null connection time is handled correctly
SetStatistic(statistic1, null);
_Clock.UtcNowValue = _Clock.UtcNowValue.AddSeconds(1);
_HeartbeatService.Raise(r => r.FastTick += null, EventArgs.Empty);
Assert.AreEqual(TimeSpan.Zero, GetViewTimeSpan(viewProperty), viewProperty);
break;
case "ListCounters":
var statCounters = (long[])typeof(IStatistics).GetProperty(statistic1).GetValue(_Statistics.Object, null);
var viewCounters = GetViewListCounters(viewProperty);
var length = statCounters.Count();
for (var i = 0; i < length; ++i)
{
statCounters[i] = (i + 1) * 4;
}
_HeartbeatService.Raise(r => r.FastTick += null, EventArgs.Empty);
for (var i = 0; i < length; ++i)
{
Assert.AreEqual((i + 1) * 4, viewCounters[i], "{0}[{1}]", viewProperty, i);
}
_View.Verify(r => r.UpdateCounters(), Times.Exactly(2));
break;
case "ListObjects":
var statList = (IList)typeof(IStatistics).GetProperty(statistic1).GetValue(_Statistics.Object, null);
var viewList = GetViewListObjects(viewProperty);
var listLength = statList.Count;
Assert.IsTrue(listLength > 0);
var elementType = statList.GetType().GetElementType();
for (var i = 0; i < listLength; ++i)
{
if (elementType == typeof(ModeSDFStatistics))
{
statList[i] = new ModeSDFStatistics()
{
DF = (DownlinkFormat)i,
BadParityPI = i + 1,
MessagesReceived = i - 1,
};
}
else
{
throw new NotImplementedException();
}
}
_HeartbeatService.Raise(r => r.FastTick += null, EventArgs.Empty);
for (var i = 0; i < listLength; ++i)
{
Assert.AreNotEqual(statList[i], viewList[i], "The view object must be a clone of the statistic object, not the actual statistic object");
if (elementType == typeof(ModeSDFStatistics))
{
var viewElement = (ModeSDFStatistics)viewList[i];
Assert.AreEqual((DownlinkFormat)i, viewElement.DF);
Assert.AreEqual(i + 1, viewElement.BadParityPI);
Assert.AreEqual(i - 1, viewElement.MessagesReceived);
}
else
{
throw new NotImplementedException();
}
}
break;
case "Ratio":
SetStatistic(statistic1, 400L);
SetStatistic(statistic2, 100L);
_HeartbeatService.Raise(r => r.FastTick += null, EventArgs.Empty);
Assert.AreEqual(0.25, GetViewDouble(viewProperty), viewProperty);
_View.Verify(r => r.UpdateCounters(), Times.Exactly(2));
// Assert that a denominator of zero doesn't cause the ratio calculation to throw a divide by zero exception or produce a result of Infinity
SetStatistic(statistic1, 0L);
_Clock.UtcNowValue = _Clock.UtcNowValue.AddSeconds(1);
_HeartbeatService.Raise(r => r.FastTick += null, EventArgs.Empty);
Assert.AreEqual(0.0, GetViewDouble(viewProperty), viewProperty);
break;
case "Throughput":
SetStatistic(statistic1, 2239488L);
var startTimeThroughput = new DateTime(2013, 1, 2, 12, 0, 0);
_Clock.UtcNowValue = new DateTime(2013, 1, 2, 12, 1, 0);
SetStatistic(statistic2, startTimeThroughput);
_HeartbeatService.Raise(r => r.FastTick += null, EventArgs.Empty);
Assert.AreEqual(36.45, GetViewDouble(viewProperty), viewProperty);
_View.Verify(r => r.UpdateCounters(), Times.Exactly(2));
break;
default:
Assert.Fail("Unknown value type {0}", valueType);
break;
}
}
