comp.lang.ruby

Pit Capitain

1/31/2007 11:34:00 AM

Raymond O'connor schrieb:
> I'm new to testing, so my apologies if this is really basic, but is
> there anyway to test the value of a local variable in my unit tests? So
> far I've been making everything instance vars that don't really need to
> be, so I can see their value in my unit tests.

I have never needed to test local variables. Can you give an example why
you would like to do this?

> Also, one of my methods calls another method in a 3rd party library that
> could throw an exception if there's no network connection. My method
> has some special logic in it to handle this exception. I would like to
> test this in a unit test for the method but I can't figure out how to
> throw this exception since its raised in a method I don't have control
> over. I guess I could put a 'raise exception if test' in my method but
> that doesn't seem right. Is there any better way to test this?

Test doubles. See
http://www.martinfowler.com/articles/mocksArent... for an
explanation. There are some Ruby frameworks you can use. Look for "mock"
on http://rub....

Regards,
Pit