public void CreateTraceMonitor_AllErrors_Customized()
{
ParameterInfo parameter = typeof(Functions).GetMethod("AllErrors_Customized").GetParameters()[0];
TraceMonitor traceMonitor = ErrorTriggerListener.CreateTraceMonitor(parameter, _mockExecutor.Object);
Assert.Equal(TimeSpan.Parse("00:30:00"), traceMonitor.NotificationThrottle);
TraceFilter.AnonymousTraceFilter traceFilter = (TraceFilter.AnonymousTraceFilter)traceMonitor.Filters.Single();
Assert.Equal("Custom Message", traceFilter.Message);
int notification = 0;
traceMonitor.Subscribe(p => notification++);
Assert.Equal(0, traceFilter.GetEvents().Count());
traceMonitor.Trace(new TraceEvent(TraceLevel.Error, "Error1"));
Assert.Equal(1, traceFilter.GetEvents().Count());
Assert.Equal("Error1", traceFilter.GetEvents().Single().Message);
traceMonitor.Trace(new TraceEvent(TraceLevel.Error, "Error2"));
Assert.Equal(1, traceFilter.GetEvents().Count());
Assert.Equal("Error2", traceFilter.GetEvents().Single().Message);
// expect second notification to be ignored due to throttle
Assert.Equal(1, notification);
}
public void CreateTraceMonitor_FunctionErrorHandler_CustomFilterType()
{
ParameterInfo parameter = typeof(Functions).GetMethod("Test2ErrorHandler").GetParameters()[0];
TraceMonitor traceMonitor = ErrorTriggerListener.CreateTraceMonitor(parameter, _mockExecutor.Object);
ErrorTriggerListener.CompositeTraceFilter traceFilter = (ErrorTriggerListener.CompositeTraceFilter)traceMonitor.Filters.Single();
Assert.NotNull(traceFilter);
Assert.Equal(typeof(Functions.CustomTraceFilter), traceFilter.InnerTraceFilter.GetType());
// first log a function exception for a *different* function
// don't expect it to pass filter
FunctionInvocationException functionException = new FunctionInvocationException("Function failed", Guid.Empty,
"Microsoft.Azure.WebJobs.Extensions.Tests.Core.ErrorTriggerListenerTests+Functions.Foo", new Exception("Kaboom!"));
TraceEvent traceEvent = new TraceEvent(TraceLevel.Error, "Kaboom!", null, functionException);
traceMonitor.Trace(traceEvent);
Assert.Equal(0, traceFilter.GetEvents().Count());
functionException = new FunctionInvocationException("Function failed", Guid.Empty,
"Microsoft.Azure.WebJobs.Extensions.Tests.Core.ErrorTriggerListenerTests+Functions.Test2", new Exception("Kaboom!"));
traceEvent = new TraceEvent(TraceLevel.Error, "Kaboom!", null, functionException);
traceMonitor.Trace(traceEvent);
Assert.Equal(1, traceFilter.GetEvents().Count());
Assert.Same(functionException, traceFilter.GetEvents().Single().Exception);
}
public void CreateTraceMonitor_AllErrors()
{
ParameterInfo parameter = typeof(Functions).GetMethod("AllErrors").GetParameters()[0];
TraceMonitor traceMonitor = ErrorTriggerListener.CreateTraceMonitor(parameter, _mockExecutor.Object);
TraceFilter.AnonymousTraceFilter traceFilter = (TraceFilter.AnonymousTraceFilter)traceMonitor.Filters.Single();
Assert.Equal("One or more WebJob errors have occurred.", traceFilter.Message);
int notification = 0;
traceMonitor.Subscribe(p => notification++);
Assert.Equal(0, traceFilter.GetEvents().Count());
traceMonitor.Trace(new TraceEvent(TraceLevel.Error, "Error1"));
IEnumerable <TraceEvent> traceEvents = traceFilter.GetEvents();
Assert.Equal(1, traceEvents.Count());
Assert.Equal("Error1", traceEvents.Single().Message);
traceMonitor.Trace(new TraceEvent(TraceLevel.Error, "Error2"));
traceEvents = traceFilter.GetEvents();
Assert.Equal(1, traceEvents.Count());
Assert.Equal("Error2", traceEvents.Single().Message);
Assert.Equal(2, notification);
}
public void Trace_WithThrottle_NotificationsAreSuspendedThenResumed()
{
int notificationCount = 0;
int filterCount = 0;
int throttleSeconds = 1;
var monitor = new TraceMonitor()
.Filter(p =>
{
filterCount++;
return true;
})
.Subscribe(p =>
{
notificationCount++;
})
.Throttle(TimeSpan.FromSeconds(throttleSeconds));
monitor.Trace(new TraceEvent(TraceLevel.Error, "Error!"));
monitor.Trace(new TraceEvent(TraceLevel.Error, "Error!"));
Assert.Equal(1, notificationCount);
Thread.Sleep(throttleSeconds * 1000);
monitor.Trace(new TraceEvent(TraceLevel.Error, "Error!"));
monitor.Trace(new TraceEvent(TraceLevel.Error, "Error!"));
Assert.Equal(2, notificationCount);
Thread.Sleep(throttleSeconds * 1000);
monitor.Trace(new TraceEvent(TraceLevel.Error, "Error!"));
Assert.Equal(5, filterCount);
Assert.Equal(3, notificationCount);
}
public void Trace_WithThrottle_NotificationsAreSuspendedThenResumed()
{
int notificationCount = 0;
int filterCount = 0;
int throttleSeconds = 1;
var monitor = new TraceMonitor()
.Filter(p =>
{
filterCount++;
return(true);
})
.Subscribe(p =>
{
notificationCount++;
})
.Throttle(TimeSpan.FromSeconds(throttleSeconds));
monitor.Trace(new TraceEvent(TraceLevel.Error, "Error!"));
monitor.Trace(new TraceEvent(TraceLevel.Error, "Error!"));
Assert.Equal(1, notificationCount);
Thread.Sleep(throttleSeconds * 1000);
monitor.Trace(new TraceEvent(TraceLevel.Error, "Error!"));
monitor.Trace(new TraceEvent(TraceLevel.Error, "Error!"));
Assert.Equal(2, notificationCount);
Thread.Sleep(throttleSeconds * 1000);
monitor.Trace(new TraceEvent(TraceLevel.Error, "Error!"));
Assert.Equal(5, filterCount);
Assert.Equal(3, notificationCount);
}
public void CreateTraceMonitor_FunctionErrorHandler()
{
ParameterInfo parameter = typeof(Functions).GetMethod("TestErrorHandler").GetParameters()[0];
TraceMonitor traceMonitor = ErrorTriggerListener.CreateTraceMonitor(parameter, _mockExecutor.Object);
TraceFilter.AnonymousTraceFilter traceFilter = (TraceFilter.AnonymousTraceFilter)traceMonitor.Filters.Single();
Assert.Equal("Function 'Functions.Test' failed.", traceFilter.Message);
// first log a function exception for a *different* function
// don't expect it to pass filter
FunctionInvocationException functionException = new FunctionInvocationException("Function failed", new Exception("Kaboom!"))
{
MethodName = "Microsoft.Azure.WebJobs.Extensions.Tests.Core.ErrorTriggerListenerTests+Functions.Foo"
};
TraceEvent traceEvent = new TraceEvent(TraceLevel.Error, "Kaboom!", null, functionException);
traceMonitor.Trace(traceEvent);
Assert.Equal(0, traceFilter.GetEvents().Count());
functionException = new FunctionInvocationException("Function failed", new Exception("Kaboom!"))
{
MethodName = "Microsoft.Azure.WebJobs.Extensions.Tests.Core.ErrorTriggerListenerTests+Functions.Test"
};
traceEvent = new TraceEvent(TraceLevel.Error, "Kaboom!", null, functionException);
traceMonitor.Trace(traceEvent);
Assert.Equal(1, traceFilter.GetEvents().Count());
Assert.Same(functionException, traceFilter.GetEvents().Single().Exception);
}
public void Trace_NoFilters_AlwaysNotify()
{
int notificationCount = 0;
var monitor = new TraceMonitor()
.Subscribe(p =>
{
notificationCount++;
});
monitor.Trace(new TraceEvent(TraceLevel.Error, "Error!"));
monitor.Trace(new TraceEvent(TraceLevel.Error, "Error!"));
monitor.Trace(new TraceEvent(TraceLevel.Error, "Error!"));
Assert.Equal(3, notificationCount);
}
public void Trace_SubscribersAreNotified()
{
int notificationCount = 0;
var monitor = new TraceMonitor()
.Filter(p => { return(true); })
.Subscribe(p =>
{
notificationCount++;
});
monitor.Trace(new TraceEvent(TraceLevel.Error, "Error!"));
monitor.Trace(new TraceEvent(TraceLevel.Error, "Error!"));
monitor.Trace(new TraceEvent(TraceLevel.Error, "Error!"));
Assert.Equal(3, notificationCount);
}
public void Trace_SubscribersAreNotified()
{
int notificationCount = 0;
var monitor = new TraceMonitor()
.Filter(p => { return true; })
.Subscribe(p =>
{
notificationCount++;
});
monitor.Trace(new TraceEvent(TraceLevel.Error, "Error!"));
monitor.Trace(new TraceEvent(TraceLevel.Error, "Error!"));
monitor.Trace(new TraceEvent(TraceLevel.Error, "Error!"));
Assert.Equal(3, notificationCount);
}
public void Trace_IgnoresDuplicateErrors()
{
int notificationCount = 0;
int filterCount = 0;
var monitor = new TraceMonitor()
.Filter(p =>
{
filterCount++;
return(true);
})
.Subscribe(p =>
{
notificationCount++;
});
Exception ex = new Exception("Kaboom!");
monitor.Trace(new TraceEvent(TraceLevel.Error, "Error!", null, ex));
monitor.Trace(new TraceEvent(TraceLevel.Error, "Error!", null, ex));
monitor.Trace(new TraceEvent(TraceLevel.Error, "Error!", null, ex));
Assert.Equal(1, filterCount);
Assert.Equal(1, notificationCount);
}
public void Trace_MultipleFilters_AllFiltersInvoked()
{
int filterCount = 0;
Func <TraceEvent, bool> filter = p =>
{
filterCount++;
return(true);
};
var monitor = new TraceMonitor()
.Filter(filter)
.Filter(filter)
.Filter(filter);
monitor.Trace(new TraceEvent(TraceLevel.Error, "Error!"));
Assert.Equal(3, filterCount);
}
public void Trace_AnonymousFilter_NotifiesAsExpected()
{
TraceFilter filter = null;
var monitor = new TraceMonitor()
.Filter(p =>
{
return(true);
}, "Custom Message")
.Subscribe(p =>
{
filter = p;
});
TraceEvent traceEvent = new TraceEvent(TraceLevel.Error, "Error!");
monitor.Trace(traceEvent);
Assert.Equal("Custom Message", filter.Message);
Assert.Equal(1, filter.Events.Count);
Assert.Same(traceEvent, filter.Events.Single());
}
public void Trace_NoFilters_AlwaysNotify()
{
int notificationCount = 0;
var monitor = new TraceMonitor()
.Subscribe(p =>
{
notificationCount++;
});
monitor.Trace(new TraceEvent(TraceLevel.Error, "Error!"));
monitor.Trace(new TraceEvent(TraceLevel.Error, "Error!"));
monitor.Trace(new TraceEvent(TraceLevel.Error, "Error!"));
Assert.Equal(3, notificationCount);
}
public void Trace_IgnoresDuplicateErrors()
{
int notificationCount = 0;
int filterCount = 0;
var monitor = new TraceMonitor()
.Filter(p =>
{
filterCount++;
return true;
})
.Subscribe(p =>
{
notificationCount++;
});
Exception ex = new Exception("Kaboom!");
monitor.Trace(new TraceEvent(TraceLevel.Error, "Error!", null, ex));
monitor.Trace(new TraceEvent(TraceLevel.Error, "Error!", null, ex));
monitor.Trace(new TraceEvent(TraceLevel.Error, "Error!", null, ex));
Assert.Equal(1, filterCount);
Assert.Equal(1, notificationCount);
}
public void Trace_MultipleFilters_AllFiltersInvoked()
{
int filterCount = 0;
Func<TraceEvent, bool> filter = p =>
{
filterCount++;
return true;
};
var monitor = new TraceMonitor()
.Filter(filter)
.Filter(filter)
.Filter(filter);
monitor.Trace(new TraceEvent(TraceLevel.Error, "Error!"));
Assert.Equal(3, filterCount);
}
public void Trace_AnonymousFilter_NotifiesAsExpected()
{
TraceFilter filter = null;
var monitor = new TraceMonitor()
.Filter(p =>
{
return true;
}, "Custom Message")
.Subscribe(p =>
{
filter = p;
});
TraceEvent traceEvent = new TraceEvent(TraceLevel.Error, "Error!");
monitor.Trace(traceEvent);
Assert.Equal("Custom Message", filter.Message);
Assert.Equal(1, filter.Events.Count);
Assert.Same(traceEvent, filter.Events.Single());
}