/// <summary>
/// Validates ILoadTest scenario correctness by executing single test iteration
/// from ScenarioSetup to ScenarioTearDown on the same thread.
/// Exceptions are not handled on purpose to ease problem identification while developing.
/// </summary>
/// <param name="loadTestScenario">ILoadTestScenario object</param>
/// <param name="threadId">TheardId to set in TestContext</param>
/// <param name="threadIterationId">ThreadIterationId to set in TestContext</param>
/// <param name="globalIterationId">GlobalIterationId to set in TestContext</param>
/// <returns>Raw result from single iteration</returns>
public static IterationResult Validate(ILoadTestScenario loadTestScenario, int threadId = 0, int threadIterationId = 0, int globalIterationId = 0)
{
ExecutionTimer timer = new ExecutionTimer();
TestContext testContext = new TestContext(threadId, timer);
testContext.Reset(-1, -1);
loadTestScenario.ScenarioSetup(testContext);
testContext.Reset(threadIterationId, globalIterationId);
testContext.Checkpoint(Checkpoint.IterationSetupCheckpointName);
loadTestScenario.IterationSetup(testContext);
testContext.Checkpoint(Checkpoint.IterationStartCheckpointName);
testContext.Start();
loadTestScenario.ExecuteScenario(testContext);
testContext.Stop();
testContext.Checkpoint(Checkpoint.IterationEndCheckpointName);
testContext.Checkpoint(Checkpoint.IterationTearDownCheckpointName);
loadTestScenario.IterationTearDown(testContext);
IterationResult result = new IterationResult(testContext);
testContext.Reset(-1, -1);
loadTestScenario.ScenarioTearDown(testContext);
return result;
}
public IterationResult(TestContext testContext)
{
ThreadId = testContext.ThreadId;
GlobalIterationId = testContext.GlobalIterationId;
ThreadIterationId = testContext.ThreadIterationId;
UserData = testContext.UserData;
IterationStarted = testContext.IterationStarted;
IterationFinished = testContext.IterationFinished;
Checkpoints = testContext.LoggedCheckpoints.Select(c => c).Cast<ICheckpoint>().ToArray();
}
public TestExecutorThread(ILoadTestScenario loadTestScenario, ITimer timer, int threadId, object initialUserData)
{
if (loadTestScenario == null)
throw new ArgumentNullException(nameof(loadTestScenario));
if (timer == null)
throw new ArgumentNullException(nameof(timer));
_testContext = new TestContext(threadId, timer, initialUserData);
_loadTestScenario = loadTestScenario;
_handlerThread = new Thread(ExecuteScenarioThreadFunction);
}
private static bool ExecuteWithExceptionHandling(Action action, TestContext testContext)
{
bool result = false;
try
{
action.Invoke();
result = true;
}
catch (Exception ex)
{
testContext.SetError(ex);
}
return result;
}