Re: Reflection and code replacement.

Davy,

We use TypeMock (www.typemock.com) at work.  With this tool, we can mock the
db calls (or any other object/method).  Check it out.

Bobby

-----Original Message-----
From: Discussion of advanced .NET topics.
[mailto:[email protected]] On Behalf Of Davy J
Sent: Friday, February 27, 2009 9:15 AM
To: [email protected]
Subject: Re: [ADVANCED-DOTNET] Reflection and code replacement.

That's the problem I can't use a database in the unit tests, the project is
continously built in about four different scenarios, it's extreamly dificult
to test it without running the ASP.NET page.

I guess I can just stop the test at the point of the first exception and
test that the exception returned is the one expected. But it seams to be a
poor mans unit test then.

Dave.

On Fri, Feb 27, 2009 at 3:10 PM, John Warner <[email protected]> wrote:

> Can't answer your question. An alternate approach if I understand you
> correctly (and a good chance I don't) when testing the inserts use 'odd'
> values so the DBA at the back end can just run a delete query to clear
> 'you' out when the test cycle is done. In case the reflection option does
> not pan out...
>
> John Warner
>
>
> > -----Original Message-----
> > From: Discussion of advanced .NET topics. [mailto:ADVANCED-
> > [email protected]] On Behalf Of Davy J
> > Sent: Friday, February 27, 2009 8:59 AM
> > To: [email protected]
> > Subject: [ADVANCED-DOTNET] Reflection and code replacement.
> >
> > Hi,
> >
> > I'm currently writing unit tests against an existing website which I'm
> not
> > able to modify the source of.
> >
> > I've run into a problem where I need to test a method that is trying to
> > insert a record into the database.
> >
> > Is there anyway of doing reflection / emit to replace the save method of
> the
> > db class with either an anoymous delegate or copy the class definition
> and
> > override the class implementations so that nothing happens?
> >
> >
> > sort of:
> >
> >    DbInstance.Save = delegate(BusinessObject bo){
> >        return true;
> >    }
> >
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