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 void ReloadConfigOnTimer_DoesNotThrowConfigException_IfConfigReloadReturnsNull()
{
var loggingConfiguration = new ReloadNullConfiguration();
LogManager.Configuration = loggingConfiguration;
var configLoader = new LoggingConfigurationWatchableFileLoader(LogFactory.DefaultAppEnvironment);
var logFactory = new LogFactory(configLoader);
logFactory.Configuration = loggingConfiguration;
var exRecorded = Record.Exception(() => configLoader.ReloadConfigOnTimer(loggingConfiguration));
Assert.Null(exRecorded);
}
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);
}
public void ReloadConfigOnTimer_When_No_Exception_Raises_ConfigurationReloadedEvent()
{
var called = false;
LoggingConfigurationReloadedEventArgs arguments = null;
object calledBy = null;
var loggingConfiguration = new LoggingConfiguration();
LogManager.Configuration = loggingConfiguration;
var configLoader = new LoggingConfigurationWatchableFileLoader();
var logFactory = new LogFactory(configLoader);
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);
}
public void ReloadConfigOnTimer_DoesNotThrowConfigException_IfConfigChangedInBetween()
{
EventHandler <LoggingConfigurationChangedEventArgs> testChanged = null;
try
{
LogManager.Configuration = null;
var loggingConfiguration = new LoggingConfiguration();
LogManager.Configuration = loggingConfiguration;
var configLoader = new LoggingConfigurationWatchableFileLoader(LogFactory.DefaultAppEnvironment);
var logFactory = new LogFactory(configLoader);
logFactory.Configuration = loggingConfiguration;
var differentConfiguration = new LoggingConfiguration();
// Verify that the random configuration change is ignored (Only the final reset is reacted upon)
bool called = false;
LoggingConfiguration oldConfiguration = null, newConfiguration = null;
testChanged = (s, e) => { called = true; oldConfiguration = e.DeactivatedConfiguration; newConfiguration = e.ActivatedConfiguration; };
LogManager.LogFactory.ConfigurationChanged += testChanged;
var exRecorded = Record.Exception(() => configLoader.ReloadConfigOnTimer(differentConfiguration));
Assert.Null(exRecorded);
// Final reset clears the configuration, so it is changed to null
LogManager.Configuration = null;
Assert.True(called);
Assert.Equal(loggingConfiguration, oldConfiguration);
Assert.Null(newConfiguration);
}
finally
{
if (testChanged != null)
{
LogManager.LogFactory.ConfigurationChanged -= testChanged;
}
}
}