[rspec-users] stubbed methods are not returning what I've stubbed them to return

Dan Brooking dmbrooking at gmail.com
Sat Mar 16 14:05:09 UTC 2013


OK, so I think based on this, I'm doing it right and it's a Sinatra issue.
 I did as you suggested and made a call to
Sinatra::Application.random_string and now my error is "private method
`random_string' called for Sinatra::Application:Class".

So, like I said, looks to me like a Sintra specific issue where I need to
reference it in a certain way.  It's such a small method, I don't really
need to test this but it's used in other modules so I wanted to isolate
this to ensure I've got the stubbing down right.

Thanks!


On Sat, Mar 16, 2013 at 9:58 AM, David Chelimsky <dchelimsky at gmail.com>wrote:

> On Sat, Mar 16, 2013 at 7:56 AM, Dan Brooking <dmbrooking at gmail.com>
> wrote:
> > I'm working on a small Sintra app and am having trouble getting my stub
> to
> > return what I want it to.  I've been searching and found quite a few with
> > this question but no real answers.  I also posted this to the sinatrarb
> > google group in case it's an issue there.
> >
> > I have a helper method that returns a random string. I'm hoping it's
> > something very simple I'm doing wrong
> >
> > def random_string(length)
> >   (0..length).map{ rand(36).to_s(36) }.join
> > end
> >
> >
> > I have my test written as follows:
> >
> > describe "#random_string" do
> > it "returns a random string" do
> >
> #Sinatra::Application.any_instance.stub(:random_string).and_return("abcdef")
> >
> Sinatra::Application.should_receive(:random_string).with(6).and_return('abcdef')
> > str = random_string(6)
>
> Here ^^ random_string is being called in the context of the example,
> not the Sinatra::Application class or any of its instances. I don't
> know how Sinatra includes helper modules, but assuming that includes
> them in the Sinatra::Application object, then this should work:
>
>
> Sinatra::Application.should_receive(:random_string).with(6).and_return('abcdef')
> Sinatra::Application.random_string(6).should eq 'abcdef'
>
> HTH,
> David
>
> > str.should == "abcdef"
> > end
> > end
> >
> >
> > I have tried both lines shown in the code, and both times, the code runs.
> > Yet my tests are still failing.  It doesn't look like the stub is
> taking. My
> > failure looks like:
> >
> > #random_string returns a random string
> >      Failure/Error: str.should == "abcdef"
> >        expected: "abcdef"
> >             got: "xcz0g7a" (using ==)
> >
> > Any ideas?
> >
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> > rspec-users at rubyforge.org
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