使用NUnit测试时编写日志文件

我有一个测试程序集(MyTestProject)，我想使用log4net编写一些日志记录。因此，我创建了一个与我在其中设置日志记录的程序集同名的配置文件，如下所示:

<?xml version="1.0" encoding="utf-8" ?>
<!-- .NET application configuration file
 This file must have the exact same name as your application with
 .config appended to it. For example if your application is testApp.exe
 then the config file must be testApp.exe.config it must also be in the
 same directory as the application. -->
<configuration>
    <configSections>
    <!-- Register the section handler for the log4net section -->
    <section name="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler,log4net" />
    <sectionGroup name="NUnit">
      <!--  For .NET 2.0 Beta 2 replace the lines with the following -->
      <section name="TestCaseBuilder" type="System.Configuration.NameValueSectionHandler, System, Version=2.0.50215.44, Culture=neutral, PublicKeyToken=b77a5c561934e089" />
      <section name="TestRunner" type="System.Configuration.NameValueSectionHandler, System, Version=2.0.50215.44, Culture=neutral, PublicKeyToken=b77a5c561934e089" />
    </sectionGroup>
    </configSections>
    <NUnit>
      <TestCaseBuilder>
        <add key="OldStyleTestCases" value="false" />
      </TestCaseBuilder>
      <TestRunner>
        <!-- Valid values are STA,MTA. Others ignored. -->
        <add key="ApartmentState" value="STA" />
        <!-- See ThreadPriority enum for other valid values -->
        <add key="ThreadPriority" value="Normal" />
      </TestRunner>
    </NUnit>
    <appSettings>
      <add key="ApartmentState" value="STA" />
      <add key="apartment" value="STA" />
    </appSettings>
    <!-- This section contains the log4net configuration settings -->
    <log4net debug="true">
      <!-- Define some output appenders -->
      <appender name="LogFileAppender" type="log4net.Appender.FileAppender,log4net" >
        <param name="File" value="D:/data.log" />
        <param name="AppendToFile" value="false" />
        <layout type="log4net.Layout.PatternLayout,log4net">
            <param name="ConversionPattern" value="%d [%t] %-5p %c [%x] &lt;%X{auth}&gt; - %m%n" />
        </layout>
      </appender>

      <!-- Setup the root category, add the appenders and set the default priority -->
      <root>
        <level value="DEBUG" />
        <appender-ref ref="LogFileAppender" />
      </root>
    </log4net>
</configuration>

在我的代码中，我设置日志如下:

[TestFixture]
public class MyTest
{
    private readonly ILog log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
    [TestFixtureSetUp] 
    public void Init() 
    {
        log.Info("Something to log");
        ... 
    }
}

但是，当我运行测试时，没有创建这样的文件D:/data.log。更可疑的是，当我调试代码，并从log添加一个手表的附件，我得到一个空的集合。