static void Main(string[] args)
{
FileTarget wrappedTarget = new FileTarget();
wrappedTarget.FileName = "${basedir}/file.txt";
RepeatingTargetWrapper target = new RepeatingTargetWrapper();
target.WrappedTarget = wrappedTarget;
target.RepeatCount = 3;
NLog.Config.SimpleConfigurator.ConfigureForTargetLogging(target, LogLevel.Debug);
Logger logger = LogManager.GetLogger("Example");
logger.Debug("log message");
}
public void RepeatingTargetWrapperTest1()
{
var target = new MyTarget();
var wrapper = new RepeatingTargetWrapper()
{
WrappedTarget = target,
RepeatCount = 3,
};
((ISupportsInitialize)wrapper).Initialize();
((ISupportsInitialize)target).Initialize();
var events = new LogEventInfo[]
{
new LogEventInfo(LogLevel.Debug, "Logger1", "Hello"),
new LogEventInfo(LogLevel.Info, "Logger1", "Hello"),
new LogEventInfo(LogLevel.Info, "Logger2", "Hello"),
};
var exceptions = new List<Exception>();
var continuations = new AsyncContinuation[events.Length];
for (int i = 0; i < continuations.Length; ++i)
{
continuations[i] = exceptions.Add;
}
wrapper.WriteLogEvents(events, continuations);
// make sure all events went through and were replicated 3 times
Assert.AreEqual(9, target.Events.Count);
Assert.AreSame(events[0], target.Events[0]);
Assert.AreSame(events[0], target.Events[1]);
Assert.AreSame(events[0], target.Events[2]);
Assert.AreSame(events[1], target.Events[3]);
Assert.AreSame(events[1], target.Events[4]);
Assert.AreSame(events[1], target.Events[5]);
Assert.AreSame(events[2], target.Events[6]);
Assert.AreSame(events[2], target.Events[7]);
Assert.AreSame(events[2], target.Events[8]);
Assert.AreEqual(continuations.Length, exceptions.Count, "Some continuations were not invoked.");
}
public void RepeatingTargetWrapperTest1()
{
var target = new MyTarget();
var wrapper = new RepeatingTargetWrapper()
{
WrappedTarget = target,
RepeatCount = 3,
};
wrapper.Initialize(null);
target.Initialize(null);
var exceptions = new List<Exception>();
var events = new[]
{
new LogEventInfo(LogLevel.Debug, "Logger1", "Hello").WithContinuation(exceptions.Add),
new LogEventInfo(LogLevel.Info, "Logger1", "Hello").WithContinuation(exceptions.Add),
new LogEventInfo(LogLevel.Info, "Logger2", "Hello").WithContinuation(exceptions.Add),
};
wrapper.WriteAsyncLogEvents(events);
// make sure all events went through and were replicated 3 times
Assert.Equal(9, target.Events.Count);
Assert.Same(events[0].LogEvent, target.Events[0]);
Assert.Same(events[0].LogEvent, target.Events[1]);
Assert.Same(events[0].LogEvent, target.Events[2]);
Assert.Same(events[1].LogEvent, target.Events[3]);
Assert.Same(events[1].LogEvent, target.Events[4]);
Assert.Same(events[1].LogEvent, target.Events[5]);
Assert.Same(events[2].LogEvent, target.Events[6]);
Assert.Same(events[2].LogEvent, target.Events[7]);
Assert.Same(events[2].LogEvent, target.Events[8]);
Assert.Equal(events.Length, exceptions.Count);
}
public void RepeatingTargetWrapperTest2()
{
var target = new MyTarget();
target.ThrowExceptions = true;
var wrapper = new RepeatingTargetWrapper()
{
WrappedTarget = target,
RepeatCount = 3,
};
wrapper.Initialize(null);
target.Initialize(null);
var exceptions = new List<Exception>();
var events = new []
{
new LogEventInfo(LogLevel.Debug, "Logger1", "Hello").WithContinuation(exceptions.Add),
new LogEventInfo(LogLevel.Info, "Logger1", "Hello").WithContinuation(exceptions.Add),
new LogEventInfo(LogLevel.Info, "Logger2", "Hello").WithContinuation(exceptions.Add),
};
wrapper.WriteAsyncLogEvents(events);
// make sure all events went through but were registered only once
// since repeating target wrapper will not repeat in case of exception.
Assert.Equal(3, target.Events.Count);
Assert.Same(events[0].LogEvent, target.Events[0]);
Assert.Same(events[1].LogEvent, target.Events[1]);
Assert.Same(events[2].LogEvent, target.Events[2]);
Assert.Equal(events.Length, exceptions.Count);
foreach (var exception in exceptions)
{
Assert.NotNull(exception);
Assert.Equal("Some exception has occurred.", exception.Message);
}
}
public void RepeatingTargetWrapperTest2()
{
var target = new MyTarget();
target.ThrowExceptions = true;
var wrapper = new RepeatingTargetWrapper()
{
WrappedTarget = target,
RepeatCount = 3,
};
((ISupportsInitialize)wrapper).Initialize();
((ISupportsInitialize)target).Initialize();
var events = new LogEventInfo[]
{
new LogEventInfo(LogLevel.Debug, "Logger1", "Hello"),
new LogEventInfo(LogLevel.Info, "Logger1", "Hello"),
new LogEventInfo(LogLevel.Info, "Logger2", "Hello"),
};
var exceptions = new List<Exception>();
var continuations = new AsyncContinuation[events.Length];
for (int i = 0; i < continuations.Length; ++i)
{
continuations[i] = exceptions.Add;
}
wrapper.WriteLogEvents(events, continuations);
// make sure all events went through but were registered only once
// since repeating target wrapper will not repeat in case of exception.
Assert.AreEqual(3, target.Events.Count);
Assert.AreSame(events[0], target.Events[0]);
Assert.AreSame(events[1], target.Events[1]);
Assert.AreSame(events[2], target.Events[2]);
Assert.AreEqual(continuations.Length, exceptions.Count, "Some continuations were not invoked.");
foreach (var exception in exceptions)
{
Assert.IsNotNull(exception);
Assert.AreEqual("Some exception has ocurred.", exception.Message);
}
}
