[mocha-developer] how does Mocha compare in terms of classical vs mock-based testing, and stubbing???
dchelimsky at gmail.com
Wed Feb 7 23:05:50 EST 2007
On 2/7/07, Greg Hauptmann <greg.hauptmann.ruby at gmail.com> wrote:
> Hi David - I've checked at the Mocha source code and starting having a
> look. I'm interested in understanding your comment on interface
> discovery. If you (or someone else) is across the Mocha codebase you could
> provide a pointer to where this interface discovery takes please?
Hi Greg - did you read http://jmock.org/oopsla2004.pdf? It explains it
better than I could.
Read that first and if you have any questions about it feel free to ask.
> On 2/5/07, David Chelimsky <dchelimsky at gmail.com> wrote:
> > On 2/4/07, Greg Hauptmann <greg.hauptmann.ruby at gmail.com> wrote:
> > > Hi guys,
> > >
> > > I've just been reading Martin Fowler's article re mock versus
> > > stubbing<http://martinfowler.com/articles/mocksArentStubs.html>where
> > > he compares traditional TDD testing techniques with mock based
> > > testing. I'd be interested in comments from a ruby on rails perspective
> > in
> > > terms of this and Mocha? For example:
> > >
> > > a) Do you see Mocha as a robust way to test Ruby on Rails based apps?
> > Yes - though I think of mocking as one tool among many in a robust
> > testing-toolkit.
> > >
> > > b) Why would one use Mocha over traditional non-mock object based
> > testing
> > > for Ruby on Rails?
> > Interface Discovery!!!!!! Read http://jmock.org/oopsla2004.pdf for
> > more info on that.
> > >
> > > c) Is Mocha a good choice for stubbing out other components that the
> > rails
> > > app may interact with, for the purpose of testing?
> > Short version: Yes.
> > Longer version: A guideline that I like to follow is to wrap 3rd party
> > APIs with thin adapters that provide context-appropriate method names
> > and only those that your app needs. Then you mock your own API, not
> > the 3rd party API. You still need to test your adapter, but that test
> > is isolated from the tests that are about your application and what it
> > does.
> > Cheers,
> > David
> > >
> > > Tks
> > > Greg
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