public void Trace_From_ManyThreads()
{
TracerConfig.Reset("null;* *");
StringListTraceListener stringTracer = new StringListTraceListener();
TracerConfig.Listeners.Add(stringTracer);
List <Thread> threads = new List <Thread>();
int Threads = 5;
int GenerateCount = 10 * 1000;
int LinesPerGenerate = 5;
for (int i = 0; i < Threads; i++)
{
Thread t = new Thread(new ParameterizedThreadStart(GenerateTraces));
t.IsBackground = true;
t.Start(GenerateCount);
threads.Add(t);
}
threads.ForEach((t) => t.Join());
Assert.AreEqual(Threads * GenerateCount * LinesPerGenerate, stringTracer.Messages.Count);
HashSet <int> threadIds = new HashSet <int>();
foreach (var line in stringTracer.Messages)
{
threadIds.Add(int.Parse(line.Substring(20, 4)));
}
Assert.AreEqual(Threads, threadIds.Count);
}
public void Trace_Only_Exceptions()
{
TracerConfig.Reset("null;* Exception");
StringListTraceListener stringTracer = new StringListTraceListener();
TracerConfig.Listeners.Add(stringTracer);
const int Runs = 20;
for (int i = 0; i < Runs; i++)
{
string exStr = "Ex Nr" + i;
try
{
using (Tracer tr1 = new Tracer(myType, "Enclosing Method"))
{
using (Tracer tracer = new Tracer(myType, "Thread Method"))
{
throw new NotImplementedException(exStr);
}
}
}
catch (Exception)
{ }
Assert.AreEqual(i + 1, stringTracer.Messages.Count);
Assert.IsTrue(stringTracer.Messages[i].Contains(exStr),
String.Format("Got {0} but did not find substring {1}", stringTracer.Messages[i], exStr));
}
}
public void Every_Thread_Prints_His_Exception_Only_Once()
{
TracerConfig.Reset("null");
StringListTraceListener stringTracer = new StringListTraceListener();
TracerConfig.Listeners.Add(stringTracer);
ThreadStart method = () =>
{
try
{
using (Tracer tr1 = new Tracer(myType, "Enclosing Method"))
{
using (Tracer tracer = new Tracer(myType, "Thread Method"))
{
throw new NotImplementedException(Thread.CurrentThread.Name);
}
}
}
catch (Exception)
{ }
};
List <Thread> threads = new List <Thread>();
const int ThreadCount = 3;
List <string> threadNames = new List <string>();
for (int i = 0; i < ThreadCount; i++)
{
Thread t = new Thread(method);
string threadName = "Tracer Thread " + i;
t.Name = threadName;
threadNames.Add(threadName);
t.Start();
threads.Add(t);
}
threads.ForEach(t => t.Join());
var exLines = stringTracer.GetMessages(line => line.Contains("Exception"));
Assert.AreEqual(ThreadCount, exLines.Count);
for (int i = 0; i < threadNames.Count; i++)
{
Assert.IsTrue(exLines.Any(traceLine => traceLine.Contains(threadNames[i])),
String.Format("Thread with name {0} not found in output", exLines[i]));
}
Assert.AreEqual(ThreadCount * 5, stringTracer.Messages.Count);
}
public void When_Level1_And_Error_IsEnabled_NothingElse_Must_Pass()
{
TracerConfig.Reset("null;* l1+error");
StringListTraceListener stringTracer = new StringListTraceListener();
TracerConfig.Listeners.Add(stringTracer);
GenerateLevelTraces(Level.L1);
try
{
Assert.AreEqual(4, stringTracer.Messages.Count);
}
finally
{
ExceptionHelper.WhenException(() => stringTracer.Messages.ForEach((str) => Console.Write(str)));
}
}
public void When_Level2_IsEnabled_NoOtherTracesArrive()
{
TracerConfig.Reset("null;* level2");
StringListTraceListener stringTracer = new StringListTraceListener();
TracerConfig.Listeners.Add(stringTracer);
GenerateLevelTraces(Level.L1);
try
{
Assert.AreEqual(0, stringTracer.Messages.Count);
}
finally
{
ExceptionHelper.WhenException(() => stringTracer.Messages.ForEach((str) => Console.Write(str)));
}
}