On 5 Dec 2011, at 12:04, Morten Møller Riis wrote:
> Hi folks
>
> How would you spec something like this:
>
> as_user username do
> FileUtils.chmod_R 0755, "#{directory}/*"
> end
>
> Where as_user fires off a new process (and set uid to username).
>
> It seems that this won't catch FileUtils.chmod_R:
>
> FileUtils.should_receive(:chmod_R).with(0755, "#{@domain.directory}/*")
>
> I guess that is because it is passed in the block and fired off in a seperate
> process (Process.fork).
It depends on what you want to prove.
If you want to prove that this bit of code will set the actual flags on the
actual file, then why not let it do it, and then check that the file ends up
how you want it to? If it's happening in a forked process, you'll need to wait
for the process to close to be sure it's done, but otherwise that should be
quite straightforward, and will give you confidence that the whole thing is
working.
Otherwise, you need to put a layer around the whole detail of forking and
running the FileUtils command, and put your mock assertion against that layer.
Right now you're trying to introduce your mock into the stuff that happens in
the forked process, which isn't going to work.
cheers,
Matt
--
Freelance programmer & coach
Author, http://pragprog.com/book/hwcuc/the-cucumber-book (with Aslak Hellesøy)
Founder, http://relishapp.com
+44(0)7974430184 | http://twitter.com/mattwynne
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