public void EventQueueGrow_OnQueueGrow()
{
int queueLimit = 2;
int loggedEventCount = 10;
int expectedGrowingNumber = 0;
#if NETCOREAPP2_0
expectedGrowingNumber = loggedEventCount - queueLimit;
#else
expectedGrowingNumber = 3;
#endif
int eventsCounter = 0;
var myTarget = new MyTarget();
var targetWrapper = new AsyncTargetWrapperForEventTests()
{
WrappedTarget = myTarget,
QueueLimit = queueLimit,
TimeToSleepBetweenBatches = 500, // Make it slow
OverflowAction = AsyncTargetWrapperOverflowAction.Grow,
};
var logFactory = new LogFactory();
var loggingConfig = new NLog.Config.LoggingConfiguration(logFactory);
loggingConfig.AddRuleForAllLevels(targetWrapper);
logFactory.Configuration = loggingConfig;
var logger = logFactory.GetLogger("Test");
try
{
targetWrapper.EventQueueGrow += (o, e) => { eventsCounter++; };
for (int i = 0; i < loggedEventCount; i++)
{
logger.Info("Hello");
}
Assert.Equal(expectedGrowingNumber, eventsCounter);
}
finally
{
logFactory.Configuration = null;
}
}
public void LogEventDropped_OnRequestqueueOverflow()
{
int queueLimit = 2;
int loggedEventCount = 5;
int eventsCounter = 0;
var myTarget = new MyTarget();
var targetWrapper = new AsyncTargetWrapperForEventTests()
{
WrappedTarget = myTarget,
QueueLimit = queueLimit,
TimeToSleepBetweenBatches = 500, // Make it slow
OverflowAction = AsyncTargetWrapperOverflowAction.Discard,
};
var logFactory = new LogFactory();
var loggingConfig = new NLog.Config.LoggingConfiguration(logFactory);
loggingConfig.AddRuleForAllLevels(targetWrapper);
logFactory.Configuration = loggingConfig;
var logger = logFactory.GetLogger("Test");
try
{
targetWrapper.LogEventDropped += (o, e) => { eventsCounter++; };
for (int i = 0; i < loggedEventCount; i++)
{
logger.Info("Hello");
}
Assert.Equal(loggedEventCount - queueLimit, eventsCounter);
}
finally
{
logFactory.Configuration = null;
}
}
public void LogEventNotDropped_IfOverflowActionGrow()
{
int queueLimit = 2;
int loggedEventCount = 5;
int eventsCounter = 0;
var myTarget = new MyTarget();
var targetWrapper = new AsyncTargetWrapperForEventTests()
{
WrappedTarget = myTarget,
QueueLimit = queueLimit,
OverflowAction = AsyncTargetWrapperOverflowAction.Grow
};
var logFactory = new LogFactory();
var loggingConfig = new NLog.Config.LoggingConfiguration(logFactory);
loggingConfig.AddRuleForAllLevels(targetWrapper);
logFactory.Configuration = loggingConfig;
var logger = logFactory.GetLogger("Test");
try
{
targetWrapper.LogEventDropped += (o, e) => { eventsCounter++; };
for (int i = 0; i < loggedEventCount; i++)
{
logger.Info("Hello");
}
Assert.Equal(0, eventsCounter);
}
finally
{
logFactory.Configuration = null;
}
}
