public void Filtering()
{
LogManager.Start();
MemoryLogger memoryLog = LogManager.CreateMemoryLogger();
memoryLog.SubscribeToEvents(TestLogger.Write, EventLevel.Verbose);
TestLogger.Write.String("first message");
TestLogger.Write.String("bacon...bacon...bacon... OMG BACON");
memoryLog.Disabled = true;
memoryLog.Stream.Seek(0, SeekOrigin.Begin);
// Nothing filtered.
using (var reader = new StreamReader(memoryLog.Stream))
{
int lines = 0;
while ((reader.ReadLine()) != null)
{
++lines;
}
Assert.AreEqual(2, lines);
}
memoryLog.Dispose();
memoryLog = LogManager.CreateMemoryLogger();
memoryLog.SubscribeToEvents(TestLogger.Write, EventLevel.Verbose);
memoryLog.AddRegexFilter("first");
TestLogger.Write.String("first message");
TestLogger.Write.String("bacon...bacon...bacon... OMG BACON");
memoryLog.Disabled = true;
memoryLog.Stream.Seek(0, SeekOrigin.Begin);
// Should now get just the one message
using (var reader = new StreamReader(memoryLog.Stream))
{
int lines = 0;
string line;
while ((line = reader.ReadLine()) != null)
{
Assert.IsFalse(line.Contains("bacon"));
++lines;
}
Assert.AreEqual(1, lines);
}
memoryLog.Dispose();
memoryLog = LogManager.CreateMemoryLogger();
memoryLog.SubscribeToEvents(TestLogger.Write, EventLevel.Verbose);
memoryLog.AddRegexFilter("BaCoN"); // filter for bacon, ensure REs are not case sensitive.
TestLogger.Write.String("first message");
TestLogger.Write.String("bacon...bacon...bacon... OMG BACON");
memoryLog.Disabled = true;
memoryLog.Stream.Seek(0, SeekOrigin.Begin);
// Now we should get the second only.
using (var reader = new StreamReader(memoryLog.Stream))
{
int lines = 0;
string line;
while ((line = reader.ReadLine()) != null)
{
++lines;
Assert.IsTrue(line.Contains("bacon"));
}
Assert.AreEqual(1, lines);
}
memoryLog.Dispose();
LogManager.Shutdown();
}
