public void DiagnosticSource_WriteException()
{
// Arrange
var logFactory = new LogFactory()
{
ThrowExceptions = true
};
var logConfig = new LoggingConfiguration(logFactory);
var logTarget = new DiagnosticListenerTarget()
{
Name = nameof(DiagnosticSource_WriteException)
};
logConfig.AddRuleForAllLevels(logTarget);
logFactory.Configuration = logConfig;
var logger = logFactory.GetLogger("MyLogger");
using (var observer = new Observer(nameof(DiagnosticSource_WriteException)))
using (var subscription = DiagnosticListener.AllListeners.Subscribe(observer))
{
// Act
logger.Error(new Exception("Boom!"), "Explosion");
// Assert
Assert.Equal(logger.Name, observer.LastEvent.Key);
Assert.Equal("Explosion", observer.GetLastEventProperty("Message"));
Assert.Equal("System.Exception: Boom!", observer.GetLastEventProperty("Exception")?.ToString());
}
}
public void DiagnosticSource_Shutdown()
{
// Arrange
var logFactory = new LogFactory()
{
ThrowExceptions = true
};
var logConfig = new LoggingConfiguration(logFactory);
var logTarget = new DiagnosticListenerTarget()
{
Name = nameof(DiagnosticSource_Shutdown)
};
logConfig.AddRuleForAllLevels(logTarget);
logFactory.Configuration = logConfig;
var logger = logFactory.GetLogger("MyLogger");
using (var observer = new Observer(nameof(DiagnosticSource_Shutdown)))
using (var subscription = DiagnosticListener.AllListeners.Subscribe(observer))
{
// Act
logger.Info("Hello World");
logFactory.Dispose();
// Assert
}
}
public void DiagnosticSource_WriteMessage()
{
// Arrange
var logFactory = new LogFactory()
{
ThrowExceptions = true
};
var logConfig = new LoggingConfiguration(logFactory);
var logTarget = new DiagnosticListenerTarget()
{
Name = nameof(DiagnosticSource_WriteMessage)
};
logConfig.AddRuleForAllLevels(logTarget);
logFactory.Configuration = logConfig;
var logger = logFactory.GetLogger("MyLogger");
using (var observer = new Observer(nameof(DiagnosticSource_WriteMessage)))
using (var subscription = DiagnosticListener.AllListeners.Subscribe(observer))
{
// Act
logger.Info("Hello World");
// Assert
Assert.Equal(logger.Name, observer.LastEvent.Key);
Assert.Equal("Hello World", observer.GetLastEventProperty("Message"));
Assert.Null(observer.GetLastEventProperty("Exception"));
}
}
