public Task <TestResults> StartTest(HttpTestConfig config, IList <SaveSpansArgs> saveSpansArgs, CancellationToken?ct = null)
{
var testResults = new TestResults();
if (config == null)
{
return(Task.FromResult(testResults));
}
testResults.FailExpiredMs = config.FailExpiredMs;
testResults.Uri = config.LastTestUri;
testResults.Data = config.LastTestData;
testResults.MaxParallelCount = config.MaxParallelCount;
testResults.HttpMethod = config.HttpMethod;
var theToken = ct ?? CancellationToken.None;
var results = new ConcurrentBag <TestResult>();
var taskCompletionSource = new TaskCompletionSource <TestResults>();
var parallelOptions = new ParallelOptions()
{
CancellationToken = theToken, MaxDegreeOfParallelism = config.MaxParallelCount
};
Parallel.ForEach(saveSpansArgs, parallelOptions, (span) =>
{
var testResult = AsyncHelper.RunSync(() =>
RunTestClientSpan(WebApiHelper, testResults.FailExpiredMs, span, config));
results.Add(testResult);
});
testResults.Items = results.ToList();
taskCompletionSource.SetResult(testResults);
return(taskCompletionSource.Task);
}
public static string GetRequestUri(HttpTestConfig config, string method)
{
if (_fixedTraceApiEndPoint == null)
{
_fixedTraceApiEndPoint = config.TraceApiEndPoint;
_fixedTraceApiEndPoint = _fixedTraceApiEndPoint.TrimEnd('/') + "/";
}
return(_fixedTraceApiEndPoint + method);
}
public IList <SaveSpansArgs> CreateTestClientSpans(HttpTestConfig config)
{
var result = new List <SaveSpansArgs>();
var now = DateHelper.Instance.GetDateNow();
var ticks = now.Ticks;
var traceId = "trace_" + ticks;
var tracerId = "ConcurrentTest-Tracer-" + now.ToString("yyyyMMddHHmmss");
for (int i = 0; i < config.ConcurrentCount; i++)
{
var spanId = "span_" + i.ToString("");
var saveClientSpan = SaveClientSpan.Create(now, now.AddMilliseconds(10), tracerId, traceId, null, spanId, "FooOp");
var saveSpansArgs = new SaveSpansArgs();
saveSpansArgs.Items.Add(saveClientSpan);
result.Add(saveSpansArgs);
}
return(result);
}
public virtual Task <TestResults> StartTest(HttpTestConfig config, CancellationToken?ct = null)
{
var testResults = new TestResults();
if (config == null)
{
return(Task.FromResult(testResults));
}
testResults.FailExpiredMs = config.FailExpiredMs;
testResults.Uri = config.LastTestUri;
testResults.Data = config.LastTestData;
testResults.MaxParallelCount = config.MaxParallelCount;
testResults.HttpMethod = config.HttpMethod;
#region not real parallel test
////this will not block current thread
//for (int i = 0; i < config.ConcurrentCount; i++)
//{
// var index = i;
// var testResult = AsyncHelper.RunSync(() => RunHttpTest(index, testResults.Uri, testResults.FailExpiredMs));
// results.Add(testResult);
//}
//_simpleLog.Log("Concurrent Test Completed.");
#endregion
#region parallel demos
//Threads on a non-threaded machine:
//=> Parallel
//=> -- -- --
//=> / \
//=> >---- -- -- -- -- ---->>
//Threads on a threaded machine:
//=> ------
//=> / \
//=> >-------------->>
#endregion
var theToken = ct ?? CancellationToken.None;
var results = new ConcurrentBag <TestResult>();
var taskCompletionSource = new TaskCompletionSource <TestResults>();
var parallelOptions = new ParallelOptions()
{
CancellationToken = theToken, MaxDegreeOfParallelism = config.MaxParallelCount
};
Parallel.For(0, config.ConcurrentCount, parallelOptions, i =>
{
var index = i;
var testResult = AsyncHelper.RunSync(() => RunHttpTest(index, testResults.Uri, testResults.FailExpiredMs, testResults.HttpMethod, testResults.Data));
results.Add(testResult);
});
testResults.Items = results.ToList();
taskCompletionSource.SetResult(testResults);
return(taskCompletionSource.Task);
}
public void SaveConfig(HttpTestConfig config)
{
AsyncHelper.RunSync(() => SimpleConfigFile.SaveFile(config));
}
private async Task <TestResult> RunTestClientSpan(IWebApiTester webApiHelper, int failExpiredMs, SaveSpansArgs saveSpansArgs, HttpTestConfig config)
{
var stopwatch = new Stopwatch();
stopwatch.Start();
var jsonData = saveSpansArgs.ToJson(false);
var saveOk = await webApiHelper.TestHttpPost(config.GetSaveSpansApiUri(), jsonData, failExpiredMs).ConfigureAwait(false);
stopwatch.Stop();
var testResult = new TestResult();
testResult.Success = saveOk;
testResult.ElapsedMs = stopwatch.ElapsedMilliseconds;
var itemsCount = saveSpansArgs.Items.Count;
var saveClientSpan = saveSpansArgs.Items.First();
testResult.Message = string.Format("{0}(1/{1}) => {2} , take {3:0.00} ms",
saveClientSpan.SpanId,
itemsCount,
saveOk ? "Success" : "Fail",
stopwatch.ElapsedMilliseconds);
SimpleLog.Log(testResult.Message);
return(testResult);
}
public static string GetSaveSpansApiUri(this HttpTestConfig config)
{
return(GetRequestUri(config, "SaveSpans"));
}