public void ProgramFailureTest()
{
using (DataLoggerEventSource itemToTest = DataLoggerEventSource.Log())
using (EventListener lisner = new EventListener())
{
List <EventWrittenEventArgs> eventsList = new List <EventWrittenEventArgs>();
lisner.EventWritten += (source, entry) => eventsList.Add(entry);
Assert.AreEqual <int>(0, eventsList.Count);
lisner.EnableEvents(itemToTest, EventLevel.LogAlways, EventKeywords.All);
itemToTest.ProgramFailure("ClassName", "problem");
Assert.AreEqual <int>(1, eventsList.Count);
EventWrittenEventArgs eventArgs = eventsList[0];
Assert.AreEqual <int>(1, eventArgs.EventId);
Assert.AreEqual <string>("At ClassName.ProgramFailureTest encountered application failure: problem", String.Format(eventArgs.Message, eventArgs.Payload.Select <object, string>(x => x.ToString()).ToArray <string>()));
Assert.AreEqual <EventChannel>(EventChannel.Admin, eventArgs.Channel);
Assert.AreEqual <int>(1, eventArgs.EventId);
Assert.AreEqual <string>(nameof(DataLoggerEventSource.ProgramFailure), eventArgs.EventName);
Assert.AreSame(DataLoggerEventSource.Log(), eventArgs.EventSource);
Assert.IsTrue((DataLoggerEventSource.Keywords.Diagnostic & eventArgs.Keywords) > 0);
Assert.AreEqual <EventLevel>(EventLevel.Error, eventArgs.Level);
Assert.AreEqual <EventOpcode>(EventOpcode.Info, eventArgs.Opcode);
Assert.AreEqual <EventTask>(DataLoggerEventSource.Tasks.Code, eventArgs.Task);
Assert.AreEqual <byte>(0x01, eventArgs.Version);
}
}
/// <summary>
/// Logs the exception using <see cref="DataLoggerEventSource" />.
/// </summary>
/// <param name="eventSource">The event source to be used for problem reporting.</param>
/// <param name="className">Name of the class where the exception has been caught.</param>
/// <param name="e">The exception to be reported.</param>
/// <param name="methodName">Name of the method.</param>
internal static void LogException(this DataLoggerEventSource eventSource, string className, Exception e, [CallerMemberName] string methodName = nameof(LogException))
{
Exception _exception = e;
string _innerText = "An exception has been caught:";
while (e != null)
{
eventSource.ProgramFailure(className, methodName, $"{_innerText} of type {_exception.GetType().Name} capturing the message: {e.Message}");
e = e.InnerException;
_innerText = "It contains inner exception:";
}
}
