On 11 Jun 2009, at 08:17, Amit Kulkarni wrote:
David Chelimsky wrote:
On Wed, Jun 10, 2009 at 5:55 AM, Amit Kulkarni<li...@ruby-forum.com>
wrote:
Hello,
� � �I had seen many controller spec using mock and stub
objects.
� � �I had written controller spec earlier without these
objects.
� � �In the book it is mention about mock and stub
objects.but i am
still not getting the reason behind it.
Did you read the chapter on Mock Objects?
Yes i have read Mock Objects.
I understood a bit that Mock object create objects virtually so that
we
can run our specs.It helps us in that we dont have to actually create
those objects.
But i am still not getting my hand on it.
we may have a situation that just for instance that all the
development
is done and we are now writing the spec for it.In this case all the
coding in controller,model are done.
So when we write specs for controller do we have to create mock
objects?
What if we write specs in controller without using mock objects?Will
it
be fine?
If you're writing the specs after you've written the code, you're
losing a lot of the value of mock objects.
Mock objects were originally devised as a design tool for use when
doing TDD. TDD stands for Test *Driven* Development, meaning that you
write the test before you have written any of the code. When you're
doing this, you want to be able to build the system piece by piece,
class by class, so you write tests for a single object at a time, and
use mock objects to assemble quick, lightweight sketches of the
surrounding objects that you imagine it will interact with when the
system is finished.
Also since i am using the beta version Mocking Objects part is not
there.And it is does not give clearcut idea from the topic Mock
Objects.
Also it will be very helpful if you can provide me a link or anything
which can give me details of Mocks and Stubs.How to use it?When to use
it..e.t.c
This is a big topic which is not going to be easy to explain over
email. Here is some more stuff for you to read.
http://www.patmaddox.com/blog/you-probably-dont-get-mocks
http://www.mockobjects.com/book/
http://www.jmock.org/oopsla2004.pdf
http://www.martinfowler.com/articles/mocksArentStubs.html
Matt Wynne
http://beta.songkick.com
http://blog.mattwynne.net
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