Enterprise Library Test Guide - Willy .Net

80
Enterprise Library Test Guide
Test case Result Automated test
Verify that ExceptionHandler
objects
can be created
directly, without
using a configuration
source.
Passed The following example verifies that a WrapHandler object
can be created directly, without using a configuration source.
There are similar tests for ReplaceHandler objects and LoggingExceptionHandler
objects.
[TestMethod]
public void WrapExceptionCreateDirect()
{
Exception originalException = new System.Arithmetic
Exception("Arithmetic Exception is not handled");
WrapHandler handler = new WrapHandler("Wrapped
Exception: Arithmetic Exception wrapped with Security
Exception", Type.GetType("System.Security.
SecurityException, mscorlib, Version=2.0.0.0,
Culture=neutral, PublicKeyToken=b77a5c561934e089")
);
Exception wrappedException = handler.HandleExceptio
n(originalException, new Guid());
Assert.IsTrue(wrappedException is System.Security.
SecurityException);
Assert.AreEqual(wrappedException.Message,
"Wrapped Exception: Arithmetic Exception
wrapped with Security Exception");
Assert.IsTrue(wrappedException.InnerException
is ArithmeticException);
}
Verify that custom
exception handlers
can be added to the
application block
from information in
the configuration
source.
Passed
In this example, a custom exception handler implements the
IExceptionHandler interface. The test verifies that that custom
handler class can be added to the application block from information
in the configuration source.
The following is the custom exception hander.
CustomExceptionHandler class
[ConfigurationElementType(typeof(CustomHandlerData)
)]
public class CustomExceptionHandler : IException-
Handler
{
…
NameValueCollection attributes;
public CustomExceptionHandler(){}
public CustomExceptionHandler(NameValueCollection
attributes){…}
public Exception HandleException(Exception exception,
Guid correlationID)
{
…
return exception;
}
}