public void KeepVariablesOnReloadWithStaticMode()
{
// Arrange
string config = @"<nlog autoReload='true'>
<variable name='maxArchiveDays' value='7' />
<targets>
<target name='logfile' type='file' fileName='test.log' maxArchiveDays='${maxArchiveDays}' />
</targets>
<rules>
<logger name='*' minLevel='Debug' writeTo='logfile' />
</rules>
</nlog>";
var logFactory = new LogFactory();
logFactory.Configuration = XmlLoggingConfigurationMock.CreateFromXml(logFactory, config);
var fileTarget = logFactory.Configuration.AllTargets[0] as NLog.Targets.FileTarget;
var beforeValue = fileTarget.MaxArchiveDays;
// Act
logFactory.Configuration.Variables["MaxArchiveDays"] = "42";
logFactory.Configuration = logFactory.Configuration.Reload();
fileTarget = logFactory.Configuration.AllTargets[0] as NLog.Targets.FileTarget;
var afterValue = fileTarget.MaxArchiveDays;
// Assert
Assert.Equal(7, beforeValue);
Assert.Equal(42, afterValue);
}
public static XmlLoggingConfigurationMock CreateFromXml(LogFactory logFactory, string configXml)
{
var newConfig = new XmlLoggingConfigurationMock(logFactory, configXml);
newConfig.LoadFromXmlContent(configXml, null);
return(newConfig);
}
public void TestKeepVariablesOnReloadAllowUpdate()
{
string config1 = @"<nlog autoReload='true' keepVariablesOnReload='true'>
<variable name='var1' value='' />
<variable name='var2' value='old_value2' />
<targets><target name='mem' type='memory' layout='${var:var2}' /></targets>
<rules><logger name='*' writeTo='mem' /></rules>
</nlog>";
string config2 = @"<nlog autoReload='true' keepVariablesOnReload='true'>
<variable name='var1' value='' />
<variable name='var2' value='new_value2' />
<targets><target name='mem' type='memory' layout='${var:var2}' /></targets>
<rules><logger name='*' writeTo='mem' /></rules>
</nlog>";
var logFactory = new LogFactory();
var xmlConfig = XmlLoggingConfigurationMock.CreateFromXml(logFactory, config1);
logFactory.Configuration = xmlConfig;
// Act
logFactory.Configuration.Variables.Remove("var1");
logFactory.Configuration.Variables.Add("var3", "new_value3");
xmlConfig.ConfigXml = config2;
logFactory.Configuration = xmlConfig.Reload();
// Assert
var nullEvent = LogEventInfo.CreateNullEvent();
Assert.Equal("", logFactory.Configuration.Variables["var1"].Render(nullEvent));
Assert.Equal("new_value2", logFactory.Configuration.Variables["var2"].Render(nullEvent));
Assert.Equal("new_value3", logFactory.Configuration.Variables["var3"].Render(nullEvent));
}
public void TestKeepVariablesOnReload()
{
string config = @"<nlog autoReload='true' keepVariablesOnReload='true'>
<variable name='var1' value='' />
<variable name='var2' value='keep_value' />
</nlog>";
var configLoader = new LoggingConfigurationWatchableFileLoader(LogFactory.DefaultAppEnvironment);
var logFactory = new LogFactory(configLoader);
var configuration = XmlLoggingConfigurationMock.CreateFromXml(logFactory, config);
logFactory.Configuration = configuration;
logFactory.Configuration.Variables["var1"] = "new_value";
logFactory.Configuration.Variables["var3"] = "new_value3";
configLoader.ReloadConfigOnTimer(configuration);
var nullEvent = LogEventInfo.CreateNullEvent();
Assert.Equal("new_value", logFactory.Configuration.Variables["var1"].Render(nullEvent));
Assert.Equal("keep_value", logFactory.Configuration.Variables["var2"].Render(nullEvent));
Assert.Equal("new_value3", logFactory.Configuration.Variables["var3"].Render(nullEvent));
logFactory.Configuration = configuration.Reload();
Assert.Equal("new_value", logFactory.Configuration.Variables["var1"].Render(nullEvent));
Assert.Equal("keep_value", logFactory.Configuration.Variables["var2"].Render(nullEvent));
Assert.Equal("new_value3", logFactory.Configuration.Variables["var3"].Render(nullEvent));
}
public override LoggingConfiguration Reload()
{
var newConfig = new XmlLoggingConfigurationMock(LogFactory, ConfigXml);
newConfig.PrepareForReload(this);
newConfig.LoadFromXmlContent(ConfigXml, null);
return(newConfig);
}
public void TestResetVariablesOnReload()
{
string config = @"<nlog autoReload='true' keepVariablesOnReload='false'>
<variable name='var1' value='' />
<variable name='var2' value='keep_value' />
</nlog>";
LogManager.Configuration = XmlLoggingConfigurationMock.CreateFromXml(config);
LogManager.Configuration.Variables["var1"] = "new_value";
LogManager.Configuration.Variables["var3"] = "new_value3";
LogManager.Configuration = LogManager.Configuration.Reload();
Assert.Equal("", LogManager.Configuration.Variables["var1"].OriginalText);
Assert.Equal("keep_value", LogManager.Configuration.Variables["var2"].OriginalText);
}
public void TestResetVariablesOnReload()
{
string config = @"<nlog autoReload='true' keepVariablesOnReload='false'>
<variable name='var1' value='' />
<variable name='var2' value='keep_value' />
</nlog>";
var configLoader = new LoggingConfigurationWatchableFileLoader();
var logFactory = new LogFactory(configLoader);
var configuration = XmlLoggingConfigurationMock.CreateFromXml(logFactory, config);
logFactory.Configuration = configuration;
logFactory.Configuration.Variables["var1"] = "new_value";
logFactory.Configuration.Variables["var3"] = "new_value3";
configLoader.ReloadConfigOnTimer(configuration);
Assert.Equal("", logFactory.Configuration.Variables["var1"].OriginalText);
Assert.Equal("keep_value", logFactory.Configuration.Variables["var2"].OriginalText);
}
public void ReloadConfigOnTimer_When_No_Exception_Raises_ConfigurationReloadedEvent()
{
var called = false;
LoggingConfigurationReloadedEventArgs arguments = null;
object calledBy = null;
var configLoader = new LoggingConfigurationWatchableFileLoader(LogFactory.DefaultAppEnvironment);
var logFactory = new LogFactory(configLoader);
var loggingConfiguration = XmlLoggingConfigurationMock.CreateFromXml(logFactory, "<nlog></nlog>");
logFactory.Configuration = loggingConfiguration;
logFactory.ConfigurationReloaded += (sender, args) => { called = true; calledBy = sender; arguments = args; };
configLoader.ReloadConfigOnTimer(loggingConfiguration);
Assert.True(called);
Assert.Same(calledBy, logFactory);
Assert.True(arguments.Succeeded);
}