public void WriteMessageAfterIntervalHasExpiredStartsNewInterval()
{
MyTarget wrappedTarget = new MyTarget();
LimitingTargetWrapper wrapper = new LimitingTargetWrapper(wrappedTarget, 5, TimeSpan.FromMilliseconds(100));
InitializeTargets(wrappedTarget, wrapper);
Exception lastException = null;
wrapper.WriteAsyncLogEvent(
new LogEventInfo(LogLevel.Debug, "test", "first interval").WithContinuation(ex => lastException = ex));
//Let the interval expire.
Thread.Sleep(100);
//Writing a logEvent should start a new Interval. This should be written to InternalLogger.Debug.
string internalLog = RunAndCaptureInternalLog(() =>
{
// We can write 5 messages again since a new interval started.
lastException = WriteNumberAsyncLogEventsStartingAt(0, 5, wrapper);
}, LogLevel.Trace);
//We should have written 6 messages (1 in first interval and 5 in second interval).
Assert.Equal(6, wrappedTarget.WriteCount);
Assert.Contains("new interval", internalLog);
Assert.Null(lastException);
}
public void WriteMoreMessagesThanMessageLimitDiscardsExcessMessages()
{
MyTarget wrappedTarget = new MyTarget();
LimitingTargetWrapper wrapper = new LimitingTargetWrapper(wrappedTarget, 5, TimeSpan.FromHours(1));
InitializeTargets(wrappedTarget, wrapper);
// Write limit number of messages should just write them to the wrappedTarget.
var lastException = WriteNumberAsyncLogEventsStartingAt(0, 5, wrapper);
Assert.Equal(5, wrappedTarget.WriteCount);
//Additional messages will be discarded, but InternalLogger will write to trace.
string internalLog = RunAndCaptureInternalLog(() =>
{
wrapper.WriteAsyncLogEvent(
new LogEventInfo(LogLevel.Debug, "test", $"Hello {5}").WithContinuation(ex => lastException = ex));
}, LogLevel.Trace);
Assert.Equal(5, wrappedTarget.WriteCount);
Assert.Contains("MessageLimit", internalLog);
Assert.Null(lastException);
}