从代码而不是从配置启用log4net的文件日志记录

Question

为什么以下测试失败？(它在xunit中)我尝试过不同的appender并且它从不写任何东西虽然日志似乎已经准备好了.我最终创建了自己的appender来测试它.

    public class TestAppender : AppenderSkeleton {
        public event Action<LoggingEvent> AppendCalled = delegate { };
        protected override void Append(LoggingEvent loggingEvent) {
            AppendCalled(loggingEvent);
        }
    }
    public class Class1 {
        private TestAppender _appender = new TestAppender();
        public Class1() {
            log4net.Util.LogLog.InternalDebugging = true;
            Hierarchy hierarchy = (Hierarchy)LogManager.GetRepository();
            Logger rootLogger = hierarchy.Root;
            rootLogger.Level = Level.All;
            Logger coreLogger = hierarchy.GetLogger("abc") as Logger;
            coreLogger.Level = Level.All;

            coreLogger.Parent = rootLogger;
            PatternLayout patternLayout = new PatternLayout();
            patternLayout.ConversionPattern = "%logger - %message %newline";
            patternLayout.ActivateOptions();
            _appender.Layout = patternLayout;
            _appender.ActivateOptions();
            coreLogger.AddAppender(_appender);            
        }
        [Fact]
        public void Test() {
            bool called = false;
            _appender.AppendCalled += e => called = true;
            var log = LogManager.GetLogger("abc");
            log.Debug("This is a debugging message");
            Thread.Sleep(TimeSpan.FromSeconds(2));
            log.Info("This is an info message");
            Thread.Sleep(TimeSpan.FromSeconds(2));
            log.Warn("This is a warning message");
            Thread.Sleep(TimeSpan.FromSeconds(2));
            log.Error("This is an error message");
            Assert.True(called);
        }
}

Answer 1

我总是使用下面的代码从代码中配置log4net.效果很好!

Hierarchy hierarchy = (Hierarchy)LogManager.GetRepository();
hierarchy.Root.RemoveAllAppenders(); /*Remove any other appenders*/

FileAppender fileAppender = new FileAppender();
fileAppender.AppendToFile = true;
fileAppender.LockingModel = new FileAppender.MinimalLock();
fileAppender.File = Server.MapPath("/") + "log.txt";
PatternLayout pl = new PatternLayout();
pl.ConversionPattern = "%d [%2%t] %-5p [%-10c]   %m%n%n";
pl.ActivateOptions();
fileAppender.Layout = pl;
fileAppender.ActivateOptions();

log4net.Config.BasicConfigurator.Configure(fileAppender);

//Test logger
ILog log =LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
log.Debug("Testing!");