public void ParallelRequestsWithTracing()
{
var setupLog = new SetupLog();
var stringWriter = new StringWriter();
using (TestServer testServer = CreateTestServer(stringWriter, setupLog))
{
// 10 parallel threads, each thread issues 2 requests, each request traces 2x
Action issueRequestAction = () =>
{
IssueTraceRequest(testServer, 2);
IssueTraceRequest(testServer, 2);
};
Parallel.Invoke(Enumerable.Repeat(issueRequestAction, 10).ToArray());
}
string logOutput = stringWriter.ToString();
testOutputHelper.WriteLine(logOutput);
int countLineBreaks = TestHelper.CountLineBreaks(logOutput);
Assert.True(countLineBreaks > 140 && countLineBreaks < 180);
Assert.NotEmpty(setupLog);
Assert.False(setupLog.HasAnyExceeding(TraceLevel.Info));
}
//[InlineData(40, 1000, 30)]
public void ParallelTraceTest(int threads, int requestsPerThread, int tracesPerRequest)
{
var setupLog = new SetupLog();
Stopwatch overallStopwatch = Stopwatch.StartNew();
// Test logging to TextWriter.Null - which should have no perf overhead
using (TestServer testServer = CreateTestServer(TextWriter.Null, setupLog))
{
Action testThread = () =>
{
int threadId = Thread.CurrentThread.ManagedThreadId;
testOutputHelper.WriteLine("{0}: Starting requests on thread {1}", overallStopwatch.Elapsed, threadId);
var stopWatch = Stopwatch.StartNew();
for (int i = 0; i < requestsPerThread; ++i)
{
IssueTraceRequest(testServer, tracesPerRequest);
}
stopWatch.Stop();
testOutputHelper.WriteLine("{0}: Completed {1} requests on thread {2} in {3}",
overallStopwatch.Elapsed,
requestsPerThread,
threadId,
stopWatch.Elapsed);
};
Parallel.Invoke(Enumerable.Repeat(testThread, threads).ToArray());
}
Assert.NotEmpty(setupLog);
Assert.False(setupLog.HasAnyExceeding(TraceLevel.Info));
}
public void SingleRequestWithTracing()
{
var setupLog = new SetupLog();
var stringWriter = new StringWriter();
using (TestServer testServer = CreateTestServer(stringWriter, setupLog))
{
IssueTraceRequest(testServer, 2);
}
testOutputHelper.WriteLine(stringWriter.ToString());
Assert.NotEmpty(setupLog);
Assert.False(setupLog.HasAnyExceeding(TraceLevel.Info));
}
public void ExceptionTracing()
{
var setupLog = new SetupLog();
var stringWriter = new StringWriter();
using (TestServer testServer = CreateTestServer(stringWriter, setupLog))
{
var task = testServer.CreateRequest("/exception").GetAsync();
var response = task.Result; // Wait for the call to complete
}
testOutputHelper.WriteLine(stringWriter.ToString());
Assert.NotEmpty(setupLog);
Assert.False(setupLog.HasAnyExceeding(TraceLevel.Info));
}
public void SingleRequestWithTracingWith3LogTargets()
{
var setupLog = new SetupLog();
var stringWriter = new StringWriter();
using (TestServer testServer = new OwinTestWith3LogTargets(testOutputHelper).CreateTestServer(stringWriter, setupLog, true))
{
IssueTraceRequest(testServer, 2);
}
testOutputHelper.WriteLine("Logging complete.");
testOutputHelper.WriteLine("");
testOutputHelper.WriteLine("StringWriter contents:");
testOutputHelper.WriteLine(stringWriter.ToString());
Assert.NotEmpty(setupLog);
testOutputHelper.WriteLine("");
testOutputHelper.WriteLine("Setup log:");
testOutputHelper.WriteEntries(setupLog);
Assert.False(setupLog.HasAnyExceeding(TraceLevel.Info));
}