public void CanImplementInterfaceWithTaskReturn()
{
// this was causing issues with the completed method
EventSourceImplementer.RegisterProvider <ITaskService>(new JsonObjectSerializer());
var log = EventSourceImplementer.GetEventSourceAs <ITaskService>();
_listener.EnableEvents((EventSource)log, EventLevel.LogAlways);
// check the service
var service = new TaskService();
Assert.AreEqual("foo", service.GetItem("foo").Result);
// try a proxy
var proxy = TracingProxy.Create <ITaskService>(service);
var task = proxy.GetItem("foo");
Assert.AreEqual("foo", task.Result);
// look at the events
var events = _listener.Events.ToArray();
Assert.AreEqual(2, events.Length);
// check the individual events to make sure the task came back in the payload
Assert.AreEqual(1, events[1].Payload.Count);
Assert.AreEqual(new JsonObjectSerializer().SerializeObject(task, null), events[1].Payload[0]);
}
public void ExceptionAttributeShouldDetermineLevel()
{
Assert.AreEqual(EventLevel.Error, new EventAttributeProvider().ExceptionEventLevel);
var logger = EventSourceImplementer.GetEventSourceAs <ILogInterfaceWithExceptionAttribute>();
Listener.EnableEvents((EventSource)logger, EventLevel.LogAlways);
logger.DoSomething();
// look at the events
var events = Listener.Events.ToArray();
Assert.AreEqual(1, events.Length);
Assert.AreEqual(EventLevel.Informational, events[0].Level);
Listener.Reset();
var proxy = TracingProxy.Create <ILogInterfaceWithExceptionAttribute>(new LogInterfaceWithExceptionAttribute());
try { proxy.DoSomething(); }
catch { }
events = Listener.Events.ToArray();
Assert.AreEqual(2, events.Length);
Assert.AreEqual(EventLevel.Critical, events[1].Level);
}
public void CanImplementInterfaceWithGenericTaskMethods()
{
// turn on logging
var log = EventSourceImplementer.GetEventSourceAs <ITestServiceWithGenericTaskMethods>();
_listener.EnableEvents((EventSource)log, EventLevel.LogAlways, (EventKeywords)(-1));
Assert.AreEqual(null, log.GetNothing());
Assert.AreEqual(null, log.GetItem((int)1));
// look at the events
var events = _listener.Events.ToArray();
Assert.AreEqual(2, events.Length);
// check the individual events to make sure the data came back in the payload
//Assert.AreEqual(1, events[0].Payload.Count);
// create a proxy on the interface
_listener.Reset();
var proxy = TracingProxy.Create <ITestServiceWithGenericTaskMethods>(new TestServiceWithGenericTaskMethods());
proxy.GetNothing().Wait();
proxy.GetItem(1).Wait();
events = _listener.Events.ToArray();
Assert.AreEqual(4, events.Length);
// check the individual events to make sure the data came back in the payload
//Assert.AreEqual(1, events[0].Payload.Count);
//Assert.AreEqual(1, events[1].Payload.Count);
}
public void AsyncExceptionsAreLoggedToExceptionEvent()
{
EventSourceImplementer.RegisterProvider <IThrowExceptionsAsync>(new JsonObjectSerializer());
var logger = EventSourceImplementer.GetEventSourceAs <IThrowExceptionsAsync>();
_listener.EnableEvents((EventSource)logger, EventLevel.LogAlways, (EventKeywords)(-1));
var proxy = TracingProxy.Create <IThrowExceptionsAsync>(new ThrowExceptionsAsync());
// run the method and catch the exception
Assert.Throws <AggregateException>(() => proxy.DoThrowAsync().Wait());
// check the events
var events = _listener.Events.ToArray();
Assert.AreEqual(2, events.Length);
// check the individual events
Assert.AreEqual(logger, events[0].EventSource);
Assert.AreEqual("", events[0].Message);
Assert.AreEqual(EventLevel.Informational, events[0].Level);
Assert.IsTrue(events[0].Keywords.HasFlag((EventKeywords)1));
Assert.AreEqual(0, events[0].Payload.Count);
// the exception is logged
Assert.AreEqual(logger, events[1].EventSource);
Assert.AreEqual("{0}", events[1].Message);
Assert.AreEqual(EventLevel.Error, events[1].Level);
Assert.IsTrue(events[1].Keywords.HasFlag((EventKeywords)1));
Assert.AreEqual(1, events[1].Payload.Count);
Assert.IsTrue(events[1].Payload[0].ToString().Contains("WhoopsAsync!"));
}
static void Main(string[] args)
{
// create the log
var log = EventSourceImplementer.GetEventSourceAs <IExampleLogSource>();
EventSource es = (EventSource)log;
Console.WriteLine("Provider GUID = {0}", es.Guid);
// create a listener
var listener = new TestListener();
listener.EnableEvents(es, EventLevel.LogAlways);
using (new EventActivityScope())
{
log.Starting();
for (int i = 0; i < 10; i++)
{
using (new EventActivityScope())
{
log.AnEvent(String.Format("i = {0}", i));
}
}
log.Stopping();
}
TracingProxy.Create <Foo>(new Foo()).Bar();
TracingProxy.Create <Foo>(new Foo()).Bar2();
}
public void AbstractClassWithExternalEnumsCanBeImplemented()
{
var testLog = EventSourceImplementer.GetEventSourceAs <ITestLogWithExternalEnums>();
_listener.EnableEvents((EventSource)testLog, EventLevel.LogAlways);
// do some logging
testLog.Event("hello, world!");
// look at the events
var events = _listener.Events.ToArray();
Assert.AreEqual(1, events.Length);
// check the event source
// make sure that the EventSource attribute makes it to the event source
var eventSource = events[0].EventSource;
Assert.AreEqual("ITestLogWithExternalEnums", eventSource.Name);
// check the individual events
Assert.AreEqual(testLog, events[0].EventSource);
Assert.AreEqual(19, events[0].EventId);
Assert.AreEqual("Event: {0}", events[0].Message);
Assert.AreEqual(EventLevel.Informational, events[0].Level);
Assert.AreEqual(1, events[0].Payload.Count);
Assert.AreEqual("hello, world!", events[0].Payload[0]);
}
public void RegisterProviderShouldOverrideAttribute()
{
EventSourceImplementer.RegisterProvider <ILogInterfaceWithAttribute2>(new JsonObjectSerializer(EventLevel.Verbose));
var logger = EventSourceImplementer.GetEventSourceAs <ILogInterfaceWithAttribute2>();
_listener.EnableEvents((EventSource)logger, EventLevel.Informational, (EventKeywords)(-1));
logger.SendData(ClassData.Test);
// look at the events
var events = _listener.Events.ToArray();
Assert.AreEqual(1, events.Length);
Assert.AreEqual(1, events[0].EventId);
Assert.AreEqual(null, events[0].Payload[0]);
_listener.Reset();
_listener.EnableEvents((EventSource)logger, EventLevel.Verbose, (EventKeywords)(-1));
logger.SendData(ClassData.Test);
// look at the events
events = _listener.Events.ToArray();
Assert.AreEqual(1, events.Length);
Assert.AreEqual(1, events[0].EventId);
Assert.AreEqual(ClassData.TestJson, events[0].Payload[0]);
}
protected void EnableLogging <TLog>() where TLog : class
{
// create the logger and make sure it is serializing the parameters properly
var logger = EventSourceImplementer.GetEventSource <TLog>();
_listener.EnableEvents(logger, EventLevel.LogAlways);
}
public void TestAddingContextToEachMethod()
{
TraceParameterProvider.Default.For <IHaveRichContext>()
.AddContextData <string>("Site.Id")
.AddContextData <string>("Site.Name")
.AddContextData <int>("PID");
var proxy = EventSourceImplementer.GetEventSourceAs <IHaveRichContext>();
EnableLogging(proxy);
using (var context = TraceContext.Begin())
{
context["PID"] = 1234;
using (var context2 = TraceContext.Begin())
{
context2["Site.Id"] = "Ts1";
context2["Site.Name"] = "TestSite1";
proxy.Log("message");
}
}
// look at the events
var events = Listener.Events.ToArray();
Assert.AreEqual(1, events.Length);
Assert.AreEqual(4, events[0].Payload.Count);
Assert.AreEqual("message", events[0].Payload[0]);
Assert.AreEqual("Ts1", events[0].Payload[1]);
Assert.AreEqual("TestSite1", events[0].Payload[2]);
Assert.AreEqual(1234, events[0].Payload[3]);
}
public void EventSourceThrowsConfigured()
{
var subject = EventSourceImplementer.GetEventSourceAs <IThrowsLog>();
var actual = (((EventSource)subject).Settings & EventSourceSettings.ThrowOnEventWriteErrors) != 0;
Assert.IsTrue(actual);
}
public void TestLoggingObjectsWithNoDefaultConstructor()
{
var testLog = EventSourceImplementer.GetEventSourceAs<IMessageNoDefaultConstructor>();
Listener.EnableEvents((EventSource)testLog, EventLevel.LogAlways, (EventKeywords)(-1));
testLog.Sample(new ClassNoDefaultConstructor(1), new StructNoDefaultConstructor(1));
}
public void RegisterProviderTwiceShouldFail()
{
var contextProvider = new MyTraceContextProvider();
EventSourceImplementer.RegisterProvider <ILog2>(contextProvider);
Assert.Throws <InvalidOperationException>(() => EventSourceImplementer.RegisterProvider <ILog>(contextProvider));
}
public void EventSourceThrowsConfigured()
{
var subject = EventSourceImplementer.GetEventSourceAs<IThrowsLog>();
var propertyInfo = typeof(EventSource).GetProperty( "ThrowOnEventWriteErrors", BindingFlags.Instance | BindingFlags.NonPublic );
var actual = propertyInfo == null || (bool) propertyInfo.GetValue( subject );
Assert.IsTrue( actual );
}
public void DerivedAgainInterfaceCanBeImplemented()
{
var testLog = EventSourceImplementer.GetEventSourceAs<IJustAnInterfaceDerivedAgain>();
Listener.EnableEvents((EventSource)testLog, EventLevel.LogAlways);
// do some logging
testLog.AddNumbers(2, 3);
testLog.SubtractNumbers(4, 5);
// look at the events
var events = Listener.Events.ToArray();
Assert.AreEqual(2, events.Length);
// check the event source
// make sure that the EventSource attribute makes it to the event source
var eventSource = events[0].EventSource;
Assert.AreEqual("IJustAnInterfaceDerivedAgain", eventSource.Name);
// check the individual events
Assert.AreEqual(testLog, events[0].EventSource);
Assert.AreEqual(1, events[0].EventId);
Assert.AreEqual("{0} {1}", events[0].Message);
Assert.AreEqual(EventLevel.Informational, events[0].Level);
Assert.AreEqual(2, events[0].Payload.Count);
Assert.AreEqual(2, events[0].Payload[0]);
Assert.AreEqual(3, events[0].Payload[1]);
Assert.AreEqual(testLog, events[1].EventSource);
Assert.AreEqual(4, events[1].EventId);
Assert.AreEqual("{0} {1}", events[1].Message);
Assert.AreEqual(EventLevel.Informational, events[1].Level);
Assert.AreEqual(2, events[1].Payload.Count);
Assert.AreEqual(4, events[1].Payload[0]);
Assert.AreEqual(5, events[1].Payload[1]);
}
public void EventSourceThrowsConfigured()
{
var subject = EventSourceImplementer.GetEventSourceAs <IThrowsLog>();
var fieldInfo = typeof(EventSource).GetField("m_throwOnEventWriteErrors", BindingFlags.Instance | BindingFlags.NonPublic);
var actual = (bool)fieldInfo.GetValue(subject);
Assert.IsTrue(actual);
}
public void RegisterProviderAfterSourceCreationShouldFail()
{
var log = EventSourceImplementer.GetEventSource <ILog3>();
var contextProvider = new MyTraceContextProvider();
Assert.Throws <InvalidOperationException>(() => EventSourceImplementer.RegisterProvider <ILog>(contextProvider));
}
static MyTestEventSource()
{
TraceParameterProvider.Default.ForAnything()
.With <Exception>()
.Trace(e => e.Message).As("ExceptionMessage")
.Trace(e => e.StackTrace);
Log = EventSourceImplementer.GetEventSourceAs <MyTestEventSource>();
}
public static T EventSourceFor <TLogger>()
{
var type = typeof(TLogger);
lock (_eventSources)
{
return(_eventSources.GetOrAdd(type, t => EventSourceImplementer.GetLog <TLogger, T>()));
}
}
public void TestRenamingInterface()
{
EventSourceImplementationAttribute.For <IHateThisName>(new EventSourceImplementationAttribute()
{
Name = "A Better Name"
});
var logger = EventSourceImplementer.GetEventSourceAs <IHateThisName>();
Assert.AreEqual("A Better Name", ((EventSource)logger).Name);
}
public static T LogFor <TLogger>()
{
var type = typeof(TLogger);
lock (_eventSources)
{
return(_eventSources.GetOrAdd(type, t => EventSourceImplementer.GetLog <TLogger, T>()));
}
//var logger = EventSourceImplementer.GetEventSource(typeof(T), typeof(TLogger).FullName);
//return (T)(object)logger;
}
public void BuiltInSerializedTypesCanBeLoggedInDirectMethods()
{
var listener = new TestEventListener();
var testLog = EventSourceImplementer.GetEventSourceAs <TypeLogWithSerializedTypesInDirectMethod>();
listener.EnableEvents(testLog, EventLevel.LogAlways);
testLog.LogIntPtr(new IntPtr(1234)); Assert.AreEqual("1234", listener.Events.Last().Payload[0].ToString());
testLog.LogChar('c'); Assert.AreEqual("c", listener.Events.Last().Payload[0].ToString());
testLog.LogDecimal(3.456m); Assert.AreEqual("3.456", listener.Events.Last().Payload[0].ToString());
}
public void DerivedInterfaceCanBeImplemented()
{
var testLog = EventSourceImplementer.GetEventSourceAs <IDerivedCalculator>();
_listener.EnableEvents((EventSource)testLog, EventLevel.LogAlways, (EventKeywords)(-1));
var proxy = TracingProxy.Create <IDerivedCalculator>(new Calculator());
proxy.Clear();
proxy.AddNumbers(1, 2);
}
public void TestMessageFormatting()
{
var testLog = EventSourceImplementer.GetEventSourceAs<IHaveMessageFormatting>();
Listener.EnableEvents((EventSource)testLog, EventLevel.LogAlways, (EventKeywords)(-1));
testLog.StartJobManually(new DateTime(2015, 4, 1));
// look at the events
var events = Listener.Events.ToArray();
Assert.AreEqual(1, events.Length);
Assert.AreEqual("2015-04-01 00:00:00Z", events[0].Payload[0]);
}
public void TestLoggingProxyWithCompletedEvents()
{
// create a logger for the interface and listen on it
var logger = EventSourceImplementer.GetEventSource <ICalculatorWithCompleted>();
_listener.EnableEvents(logger, EventLevel.LogAlways, (EventKeywords)(-1));
// create a calculator and a proxy
var proxy = TracingProxy.Create <VirtualCalculator, ICalculatorWithCompleted>(new VirtualCalculator());
// call the method through the proxy
proxy.Clear();
Assert.AreEqual(3, proxy.AddNumbers(1, 2));
VerifyEvents(logger);
// check the events
var events = _listener.Events.ToArray();
Assert.AreEqual(4, events.Length);
var eventSource = events[0].EventSource;
// check the individual events
Assert.AreEqual(logger, events[0].EventSource);
Assert.AreEqual(1, events[0].EventId);
Assert.AreEqual("", events[0].Message);
Assert.AreEqual(EventLevel.Informational, events[0].Level);
Assert.IsTrue(events[0].Keywords.HasFlag((EventKeywords)1));
Assert.AreEqual(0, events[0].Payload.Count);
Assert.AreEqual(logger, events[1].EventSource);
Assert.AreEqual("", events[1].Message);
Assert.AreEqual(EventLevel.Informational, events[1].Level);
Assert.IsTrue(events[1].Keywords.HasFlag((EventKeywords)2));
Assert.AreEqual(0, events[0].Payload.Count);
Assert.AreEqual(logger, events[2].EventSource);
Assert.AreEqual("{0} {1}", events[2].Message);
Assert.AreEqual(EventLevel.Informational, events[2].Level);
Assert.IsTrue(events[2].Keywords.HasFlag((EventKeywords)4));
Assert.AreEqual(2, events[2].Payload.Count);
Assert.AreEqual(1, events[2].Payload[0]);
Assert.AreEqual(2, events[2].Payload[1]);
// a fourth event for completed
Assert.AreEqual(logger, events[3].EventSource);
Assert.AreEqual("{0}", events[3].Message);
Assert.AreEqual(EventLevel.Informational, events[3].Level);
Assert.IsTrue(events[3].Keywords.HasFlag((EventKeywords)8));
Assert.AreEqual(1, events[3].Payload.Count);
Assert.AreEqual(3, events[3].Payload[0]);
}
public void BadExpressionGeneratesMeaningfulException()
{
EnableLogging <ILogEmailChangesWithBadExpressionTPP>();
// do some logging
var log = EventSourceImplementer.GetEventSourceAs <ILogEmailChangesWithBadExpressionTPP>();
var change = new EmailChange()
{
From = "me", To = "you", When = new DateTime(2010, 1, 1)
};
log.LogChange(change);
}
/// <summary>
/// Initializes a new instance of the TracingProxyImplementer class.
/// </summary>
/// <param name="executeType">The type of object to execute.</param>
/// <param name="logType">The type of object to log.</param>
/// <param name="callWithActivityScope">True to generate a proxy that wraps an activity scope around all calls.</param>
public TracingProxyImplementer(Type executeType, Type logType, bool callWithActivityScope)
{
_executeType = executeType;
_callWithActivityScope = callWithActivityScope;
_serializationProvider = TraceSerializationProvider.GetSerializationProvider(logType);
// create a log of the given log type
var log = EventSourceImplementer.GetEventSource(logType);
_logType = log.GetType();
CreateMethod = ImplementProxy(log);
}
public void CanReturnEmptySourceList()
{
EnableLogging <InterfaceWithEmptyProvider>();
var log = EventSourceImplementer.GetEventSourceAs <InterfaceWithEmptyProvider>();
log.TraceAsData("p1", "p2");
// look at the events
var events = _listener.Events.ToArray();
Assert.AreEqual(1, events.Length);
Assert.AreEqual(0, events[0].Payload.Count);
}
public void ContextCanBeControlledByMethodAttribute()
{
var testLog = EventSourceImplementer.GetEventSourceAs <ILogWithAttributeDisabledAndMethodEnabled>();
Listener.EnableEvents((EventSource)testLog, EventLevel.LogAlways);
testLog.DoSomething();
// look at the events
var events = Listener.Events.ToArray();
Assert.AreEqual(1, events.Length);
Assert.AreEqual(1, events[0].Payload.Count);
}
public void ProviderCanBeSpecifiedByAttribute()
{
var testLog = EventSourceImplementer.GetEventSourceAs <ILogWithProviderAttribute>();
Listener.EnableEvents((EventSource)testLog, EventLevel.LogAlways);
testLog.DoSomething();
// look at the events
var events = Listener.Events.ToArray();
Assert.AreEqual(1, events.Length);
Assert.AreEqual("context", events[0].Payload[0]);
}
public void AbstractClassCanBeImplemented()
{
var testLog = EventSourceImplementer.GetEventSourceAs <TestLog>();
_listener.EnableEvents(testLog, EventLevel.LogAlways, (EventKeywords)(-1));
// do some logging
testLog.Failure("whoops!");
testLog.Other("doing something", 19);
testLog.Direct("factory direct");
// look at the events
var events = _listener.Events.ToArray();
Assert.AreEqual(3, events.Length);
// check the event source
// make sure that the EventSource attribute makes it to the event source
var eventSource = events[0].EventSource;
Assert.AreEqual("TestLog", eventSource.Name);
Assert.AreEqual(new Guid("0469abfa-1bb2-466a-b645-e3e15a02f3ff"), eventSource.Guid);
// check the individual events
Assert.AreEqual(testLog, events[0].EventSource);
Assert.AreEqual(1, events[0].EventId);
Assert.AreEqual("Application Failure: {0}", events[0].Message);
Assert.AreEqual(EventLevel.Error, events[0].Level);
Assert.IsTrue(events[0].Keywords.HasFlag(TestLog.Keywords.Diagnostic));
Assert.AreEqual(TestLog.Tasks.DBQuery, events[0].Task);
Assert.AreEqual(1, events[0].Payload.Count);
Assert.AreEqual("whoops!", events[0].Payload[0]);
Assert.AreEqual(testLog, events[1].EventSource);
Assert.AreEqual(4, events[1].EventId);
Assert.AreEqual("Other Information: {0} {1}", events[1].Message);
Assert.AreEqual(EventLevel.Informational, events[1].Level);
Assert.IsTrue(events[1].Keywords.HasFlag(TestLog.Keywords.Perf));
Assert.AreEqual(2, events[1].Payload.Count);
Assert.AreEqual("doing something", events[1].Payload[0]);
Assert.AreEqual(19, events[1].Payload[1]);
Assert.AreEqual(testLog, events[2].EventSource);
Assert.AreEqual(5, events[2].EventId);
Assert.AreEqual("Direct Call: {0}", events[2].Message);
Assert.AreEqual(EventLevel.Warning, events[2].Level);
Assert.IsTrue(events[2].Keywords.HasFlag(TestLog.Keywords.Diagnostic));
Assert.AreEqual(1, events[2].Payload.Count);
Assert.AreEqual("factory direct", events[2].Payload[0]);
}