/// <summary>
/// Iterate the test method the desired number of times and with the specified options.
/// The call must be made after preparing the target process(es) for iteration.
/// </summary>
/// <param name="test">pass the test itself</param>
/// <param name="stressUtilOptions">If passed, includes all options: all other optional parameters are ignored</param>
/// <param name="numIterations">The number of iterations (defaults to 71)</param>
public static void DoIterations(object test, StressUtilOptions stressUtilOptions = null, int numIterations = 71)
{
AsyncPump.Run(async() =>
{
await DoIterationsAsync(test, stressUtilOptions, numIterations);
});
}
/// <summary>
///
/// </summary>
/// <param name="TestNameOrTestContext">When running from MSTest, the TestContext can be used to get TestName as well as various other properties. When run from VSix, the compiled code test name
/// When run from command line there will be no TestContext</param>
///<param name="stressUtilOptions">Set of options to use</param>
/// <param name="sampleType"></param>
public MeasurementHolder(object TestNameOrTestContext,
StressUtilOptions stressUtilOptions,
SampleType sampleType)
{
if (TestNameOrTestContext is TestContextWrapper)
{
this.testContext = TestNameOrTestContext as TestContextWrapper;
this.TestName = testContext.TestName;
this.testContext.Properties[StressUtil.PropNameListFileResults] = lstFileResults;
}
else
{
this.TestName = TestNameOrTestContext as string;
}
this.stressUtilOptions = stressUtilOptions;
this.sampleType = sampleType;
foreach (var entry in stressUtilOptions.lstPerfCountersToUse)
{
measurements[entry.perfCounterType] = new List <uint>();
}
IsMeasuringCurrentProcess = LstPerfCounterData[0].ProcToMonitor.Id == Process.GetCurrentProcess().Id;
}
/// <summary>
/// Iterate the test method the desired number of times
/// The call can be made from the TestInitialize or the beginning of the TestMethod
/// </summary>
/// <param name="test">pass the test itself</param>
/// <param name="stressUtilOptions">If passed, includes all options: all other optional parameters are ignored</param>
/// <param name="NumIterations">The number of iterations (defaults to 71)</param>
public static async Task DoIterationsAsync(
object test,
StressUtilOptions stressUtilOptions = null,
int NumIterations = 71)
{
MeasurementHolder measurementHolder = null;
try
{
if (stressUtilOptions == null)
{
stressUtilOptions = new StressUtilOptions()
{
NumIterations = NumIterations
};
}
if (!await stressUtilOptions.SetTest(test)) // are we recurring?
{
return;
}
measurementHolder = new MeasurementHolder(
stressUtilOptions.testContext,
stressUtilOptions,
SampleType.SampleTypeIteration);
var baseDumpFileName = string.Empty;
stressUtilOptions.testContext.Properties[PropNameCurrentIteration] = 0;
stressUtilOptions.testContext.Properties[PropNameMeasurementHolder] = measurementHolder;
var utilFileName = typeof(StressUtil).Assembly.Location;
var verInfo = FileVersionInfo.GetVersionInfo(utilFileName);
/*
* InternalName: Microsoft.Test.Stress.dll
* OriginalFilename: Microsoft.Test.Stress.dll
* FileVersion: 1.1.29.55167
* FileDescription: Microsoft.Test.Stress
* Product: Microsoft.Test.Stress
* ProductVersion: 1.1.29+g7fd76485e3
* Debug: False
* Patched: False
* PreRelease: False
* PrivateBuild: False
* SpecialBuild: False
* Language: Language Neutral
*/
stressUtilOptions.logger.LogMessage($"{utilFileName} {verInfo.OriginalFilename} FileVersion:{verInfo.FileVersion} ProductVesion:{verInfo.ProductVersion}");
measurementHolder.dictTelemetryProperties["StressLibVersion"] = verInfo.FileVersion;
for (int iteration = 0; iteration < stressUtilOptions.NumIterations; iteration++)
{
if (stressUtilOptions.actExecuteBeforeEveryIterationAsync != null)
{
await stressUtilOptions.actExecuteBeforeEveryIterationAsync(iteration + 1, measurementHolder);
}
var result = stressUtilOptions._theTestMethod.Invoke(test, parameters: null);
if (stressUtilOptions._theTestMethod.ReturnType.Name == "Task")
{
var resultTask = (Task)result;
await resultTask;
}
var res = await measurementHolder.TakeMeasurementAsync($"Iter {iteration + 1,3}/{stressUtilOptions.NumIterations}", DoForceGC : true);
stressUtilOptions.logger.LogMessage(res);
stressUtilOptions.testContext.Properties[PropNameCurrentIteration] = (int)(stressUtilOptions.testContext.Properties[PropNameCurrentIteration]) + 1;
}
// note: if a leak is found an exception will be throw and this will not get called
// increment one last time, so test methods can check for final execution after measurements taken
stressUtilOptions.testContext.Properties[PropNameCurrentIteration] = (int)(stressUtilOptions.testContext.Properties[PropNameCurrentIteration]) + 1;
DoIterationsFinished(measurementHolder, exception: null);
}
catch (Exception ex)
{
DoIterationsFinished(measurementHolder, ex);
throw;
}
}