public void PerformanceCollectorRefreshTest()
{
var counters = new PerformanceCounter[]
{
new PerformanceCounter("Processor", "% Processor Time", "_Total"),
new PerformanceCounter("Processor", "% Processor Time", "_Total")
};
var newCounter = new PerformanceCounter("Memory", "Available Bytes", string.Empty);
IPerformanceCollector collector = new PerformanceCollector();
foreach (var pc in counters)
{
collector.RegisterPerformanceCounter(
PerformanceCounterUtility.FormatPerformanceCounter(pc),
null,
pc.CategoryName,
pc.CounterName,
pc.InstanceName,
false,
true);
}
collector.RefreshPerformanceCounter(collector.PerformanceCounters.Last(), newCounter);
Assert.IsTrue(collector.PerformanceCounters.Last().PerformanceCounter.CategoryName == newCounter.CategoryName);
Assert.IsTrue(collector.PerformanceCounters.Last().PerformanceCounter.CounterName == newCounter.CounterName);
Assert.IsTrue(collector.PerformanceCounters.Last().PerformanceCounter.InstanceName == newCounter.InstanceName);
}
public void PerformanceCollectorSanityTest()
{
const int CounterCount = 3;
const string CategoryName = "Processor";
const string CounterName = "% Processor Time";
const string InstanceName = "_Total";
IPerformanceCollector collector = new PerformanceCollector();
for (int i = 0; i < CounterCount; i++)
{
collector.RegisterPerformanceCounter(
@"\Processor(_Total)\% Processor Time",
null,
CategoryName,
CounterName,
InstanceName,
false,
true);
}
var results = collector.Collect().ToList();
Assert.AreEqual(CounterCount, results.Count);
foreach (var result in results)
{
var pc = result.Item1.PerformanceCounter;
var value = result.Item2;
Assert.AreEqual(CategoryName, pc.CategoryName);
Assert.AreEqual(CounterName, pc.CounterName);
Assert.AreEqual(InstanceName, pc.InstanceName);
Assert.IsTrue(value >= 0 && value <= 100);
}
}
public void PerformanceCollectorBadStateTest()
{
var counters = new PerformanceCounter[]
{
new PerformanceCounter("Processor", "% Processor Time", "_Total123blabla"),
new PerformanceCounter("Processor", "% Processor Time", "_Total")
};
IPerformanceCollector collector = new PerformanceCollector();
foreach (var pc in counters)
{
try
{
collector.RegisterPerformanceCounter(
PerformanceCounterUtility.FormatPerformanceCounter(pc),
null,
pc.CategoryName,
pc.CounterName,
pc.InstanceName,
false,
true);
}
catch (Exception)
{
}
}
Assert.IsTrue(collector.PerformanceCounters.First().IsInBadState);
Assert.IsFalse(collector.PerformanceCounters.Last().IsInBadState);
}