public void TestBadProperties()
{
using (var eventSourceListener = new TestDiagnosticSourceEventListener())
using (var diagnosticSourceListener = new DiagnosticListener("TestBadPropertiesSource"))
{
Assert.Equal(0, eventSourceListener.EventCount);
// This has a syntax error in the Url case, so it should be ignored.
eventSourceListener.Enable("TestBadPropertiesSource/TestEvent1:cls.Ur-+l");
/***************************************************************************************/
// Emit an event that matches the first pattern.
MyClass val = new MyClass()
{
Url = "MyUrl", Point = new MyPoint()
{
X = 3, Y = 5
}
};
if (diagnosticSourceListener.IsEnabled("TestEvent1"))
{
diagnosticSourceListener.Write("TestEvent1", new { propStr = "hi", propInt = 4, cls = val });
}
Assert.Equal(1, eventSourceListener.EventCount); // Exactly one more event has been emitted.
Assert.Equal("TestBadPropertiesSource", eventSourceListener.LastEvent.SourceName);
Assert.Equal("TestEvent1", eventSourceListener.LastEvent.EventName);
Assert.Equal(3, eventSourceListener.LastEvent.Arguments.Count);
Assert.Equal(val.GetType().FullName, eventSourceListener.LastEvent.Arguments["cls"]); // ToString on cls is the class name
Assert.Equal("hi", eventSourceListener.LastEvent.Arguments["propStr"]);
Assert.Equal("4", eventSourceListener.LastEvent.Arguments["propInt"]);
eventSourceListener.ResetEventCountAndLastEvent();
}
}
public void TestSpecificEvents()
{
using (var eventSourceListener = new TestDiagnosticSourceEventListener())
using (var diagnosticSourceListener = new DiagnosticListener("TestSpecificEventsSource"))
{
Assert.Equal(0, eventSourceListener.EventCount);
// Turn on events with both implicit and explicit types You can have whitespace
// before and after each spec.
eventSourceListener.Enable(
" TestSpecificEventsSource/TestEvent1:cls_Point_X=cls.Point.X;cls_Point_Y=cls.Point.Y\r\n" +
" TestSpecificEventsSource/TestEvent2:cls_Url=cls.Url\r\n"
);
/***************************************************************************************/
// Emit an event that matches the first pattern.
MyClass val = new MyClass()
{
Url = "MyUrl", Point = new MyPoint()
{
X = 3, Y = 5
}
};
if (diagnosticSourceListener.IsEnabled("TestEvent1"))
{
diagnosticSourceListener.Write("TestEvent1", new { propStr = "hi", propInt = 4, cls = val });
}
Assert.Equal(1, eventSourceListener.EventCount); // Exactly one more event has been emitted.
Assert.Equal("TestSpecificEventsSource", eventSourceListener.LastEvent.SourceName);
Assert.Equal("TestEvent1", eventSourceListener.LastEvent.EventName);
Assert.Equal(5, eventSourceListener.LastEvent.Arguments.Count);
Assert.Equal(val.GetType().FullName, eventSourceListener.LastEvent.Arguments["cls"]); // ToString on cls is the class name
Assert.Equal("hi", eventSourceListener.LastEvent.Arguments["propStr"]);
Assert.Equal("4", eventSourceListener.LastEvent.Arguments["propInt"]);
Assert.Equal("3", eventSourceListener.LastEvent.Arguments["cls_Point_X"]);
Assert.Equal("5", eventSourceListener.LastEvent.Arguments["cls_Point_Y"]);
eventSourceListener.ResetEventCountAndLastEvent();
/***************************************************************************************/
// Emit an event that matches the second pattern.
if (diagnosticSourceListener.IsEnabled("TestEvent2"))
{
diagnosticSourceListener.Write("TestEvent2", new { prop2Str = "hello", prop2Int = 8, cls = val });
}
Assert.Equal(1, eventSourceListener.EventCount); // Exactly one more event has been emitted.
Assert.Equal("TestSpecificEventsSource", eventSourceListener.LastEvent.SourceName);
Assert.Equal("TestEvent2", eventSourceListener.LastEvent.EventName);
Assert.Equal(4, eventSourceListener.LastEvent.Arguments.Count);
Assert.Equal(val.GetType().FullName, eventSourceListener.LastEvent.Arguments["cls"]); // ToString on cls is the class name
Assert.Equal("hello", eventSourceListener.LastEvent.Arguments["prop2Str"]);
Assert.Equal("8", eventSourceListener.LastEvent.Arguments["prop2Int"]);
Assert.Equal("MyUrl", eventSourceListener.LastEvent.Arguments["cls_Url"]);
eventSourceListener.ResetEventCountAndLastEvent();
// Emit an event that does not match either pattern. (thus will be filtered out)
if (diagnosticSourceListener.IsEnabled("TestEvent3"))
{
diagnosticSourceListener.Write("TestEvent3", new { propStr = "prop3", });
}
Assert.Equal(0, eventSourceListener.EventCount); // No Event should be fired.
/***************************************************************************************/
// Emit an event from another diagnostic source with the same event name.
// It will be filtered out.
using (var diagnosticSourceListener2 = new DiagnosticListener("TestSpecificEventsSource2"))
{
if (diagnosticSourceListener2.IsEnabled("TestEvent1"))
{
diagnosticSourceListener2.Write("TestEvent1", new { propStr = "hi", propInt = 4, cls = val });
}
}
Assert.Equal(0, eventSourceListener.EventCount); // No Event should be fired.
// Disable all the listener and insure that no more events come through.
eventSourceListener.Disable();
diagnosticSourceListener.Write("TestEvent1", null);
diagnosticSourceListener.Write("TestEvent2", null);
Assert.Equal(0, eventSourceListener.EventCount); // No Event should be received.
}
// Make sure that there are no Diagnostic Listeners left over.
DiagnosticListener.AllListeners.Subscribe(DiagnosticSourceTest.MakeObserver(delegate(DiagnosticListener listen)
{
Assert.True(!listen.Name.StartsWith("BuildTestSource"));
}));
}
public void TestNulls()
{
using (var eventSourceListener = new TestDiagnosticSourceEventListener())
using (var diagnosticSourceListener = new DiagnosticListener("TestNullsTestSource"))
{
Assert.Equal(0, eventSourceListener.EventCount);
// Turn on events with both implicit and explicit types
eventSourceListener.Enable("TestNullsTestSource/TestEvent1:cls.Url;cls_Point_X=cls.Point.X");
/***************************************************************************************/
// Emit a null arguments object.
if (diagnosticSourceListener.IsEnabled("TestEvent1"))
{
diagnosticSourceListener.Write("TestEvent1", null);
}
Assert.Equal(1, eventSourceListener.EventCount); // Exactly one more event has been emitted.
Assert.Equal("TestNullsTestSource", eventSourceListener.LastEvent.SourceName);
Assert.Equal("TestEvent1", eventSourceListener.LastEvent.EventName);
Assert.Equal(0, eventSourceListener.LastEvent.Arguments.Count);
eventSourceListener.ResetEventCountAndLastEvent();
/***************************************************************************************/
// Emit an arguments object with nulls in it.
MyClass val = null;
string strVal = null;
if (diagnosticSourceListener.IsEnabled("TestEvent1"))
{
diagnosticSourceListener.Write("TestEvent1", new { cls = val, propStr = "propVal1", propStrNull = strVal });
}
Assert.Equal(1, eventSourceListener.EventCount); // Exactly one more event has been emitted.
Assert.Equal("TestNullsTestSource", eventSourceListener.LastEvent.SourceName);
Assert.Equal("TestEvent1", eventSourceListener.LastEvent.EventName);
Assert.Equal(3, eventSourceListener.LastEvent.Arguments.Count);
Assert.Equal("", eventSourceListener.LastEvent.Arguments["cls"]); // Tostring() on a null end up as an empty string.
Assert.Equal("propVal1", eventSourceListener.LastEvent.Arguments["propStr"]);
Assert.Equal("", eventSourceListener.LastEvent.Arguments["propStrNull"]); // null strings get turned into empty strings
eventSourceListener.ResetEventCountAndLastEvent();
/***************************************************************************************/
// Emit an arguments object that points at null things
MyClass val1 = new MyClass()
{
Url = "myUrlVal", Point = null
};
if (diagnosticSourceListener.IsEnabled("TestEvent1"))
{
diagnosticSourceListener.Write("TestEvent1", new { cls = val1, propStr = "propVal1" });
}
Assert.Equal(1, eventSourceListener.EventCount); // Exactly one more event has been emitted.
Assert.Equal("TestNullsTestSource", eventSourceListener.LastEvent.SourceName);
Assert.Equal("TestEvent1", eventSourceListener.LastEvent.EventName);
Assert.Equal(3, eventSourceListener.LastEvent.Arguments.Count);
Assert.Equal(val1.GetType().FullName, eventSourceListener.LastEvent.Arguments["cls"]); // ToString on cls is the class name
Assert.Equal("propVal1", eventSourceListener.LastEvent.Arguments["propStr"]);
Assert.Equal("myUrlVal", eventSourceListener.LastEvent.Arguments["Url"]);
eventSourceListener.ResetEventCountAndLastEvent();
/***************************************************************************************/
// Emit an arguments object that points at null things (variation 2)
MyClass val2 = new MyClass()
{
Url = null, Point = new MyPoint()
{
X = 8, Y = 9
}
};
if (diagnosticSourceListener.IsEnabled("TestEvent1"))
{
diagnosticSourceListener.Write("TestEvent1", new { cls = val2, propStr = "propVal1" });
}
Assert.Equal(1, eventSourceListener.EventCount); // Exactly one more event has been emitted.
Assert.Equal("TestNullsTestSource", eventSourceListener.LastEvent.SourceName);
Assert.Equal("TestEvent1", eventSourceListener.LastEvent.EventName);
Assert.Equal(3, eventSourceListener.LastEvent.Arguments.Count);
Assert.Equal(val2.GetType().FullName, eventSourceListener.LastEvent.Arguments["cls"]); // ToString on cls is the class name
Assert.Equal("propVal1", eventSourceListener.LastEvent.Arguments["propStr"]);
Assert.Equal("8", eventSourceListener.LastEvent.Arguments["cls_Point_X"]);
eventSourceListener.ResetEventCountAndLastEvent();
}
}
public void TestWildCardEventName()
{
using (var eventSourceListener = new TestDiagnosticSourceEventListener())
using (var diagnosticSourceListener = new DiagnosticListener("TestWildCardEventNameSource"))
{
Assert.Equal(0, eventSourceListener.EventCount);
// Turn on events with both implicit and explicit types
eventSourceListener.Enable("TestWildCardEventNameSource");
/***************************************************************************************/
// Emit an event, check that all implicit properties are generated
MyClass val = new MyClass()
{
Url = "MyUrl", Point = new MyPoint()
{
X = 3, Y = 5
}
};
if (diagnosticSourceListener.IsEnabled("TestEvent1"))
{
diagnosticSourceListener.Write("TestEvent1", new { propStr = "hi", propInt = 4, cls = val });
}
Assert.Equal(1, eventSourceListener.EventCount); // Exactly one more event has been emitted.
Assert.Equal("TestWildCardEventNameSource", eventSourceListener.LastEvent.SourceName);
Assert.Equal("TestEvent1", eventSourceListener.LastEvent.EventName);
Assert.Equal(3, eventSourceListener.LastEvent.Arguments.Count);
Assert.Equal(val.GetType().FullName, eventSourceListener.LastEvent.Arguments["cls"]); // ToString on cls is the class name
Assert.Equal("hi", eventSourceListener.LastEvent.Arguments["propStr"]);
Assert.Equal("4", eventSourceListener.LastEvent.Arguments["propInt"]);
eventSourceListener.ResetEventCountAndLastEvent();
/***************************************************************************************/
// Emit the same event, with a different set of implicit properties
if (diagnosticSourceListener.IsEnabled("TestEvent1"))
{
diagnosticSourceListener.Write("TestEvent1", new { propStr2 = "hi2", cls = val });
}
Assert.Equal(1, eventSourceListener.EventCount); // Exactly one more event has been emitted.
Assert.Equal("TestWildCardEventNameSource", eventSourceListener.LastEvent.SourceName);
Assert.Equal("TestEvent1", eventSourceListener.LastEvent.EventName);
Assert.Equal(2, eventSourceListener.LastEvent.Arguments.Count);
Assert.Equal(val.GetType().FullName, eventSourceListener.LastEvent.Arguments["cls"]); // ToString on cls is the class name
Assert.Equal("hi2", eventSourceListener.LastEvent.Arguments["propStr2"]);
eventSourceListener.ResetEventCountAndLastEvent();
/***************************************************************************************/
// Emit an event from another diagnostic source with the same event name.
// It will be filtered out.
using (var diagnosticSourceListener2 = new DiagnosticListener("TestWildCardEventNameSource2"))
{
if (diagnosticSourceListener2.IsEnabled("TestEvent1"))
{
diagnosticSourceListener2.Write("TestEvent1", new { propStr = "hi", propInt = 4, cls = val });
}
}
Assert.Equal(0, eventSourceListener.EventCount); // No Event should be fired.
}
}