[rspec-users] Apparent regression in rspec 2 on ruby 1.9: constant resolution fails in describes in nested modules

David Chelimsky dchelimsky at gmail.com
Fri Nov 5 08:13:36 EDT 2010


On Nov 3, 2010, at 5:39 PM, Rhett Sutphin wrote:

> Hi,
> 
> I've converted a couple of my smaller libraries' spec suites to rspec 2 with no trouble.  (I'm enjoying the new version -- thanks to all involved.)  I'm trying to convert one a larger suite now and I've run into two problems on ruby 1.9.1 (but not 1.8.7) related to constant resolution in describes inside of modules.  One of the problems haven't been able to reproduce in a simple test case, but the other one I have.  Here's the reproducible one:
> 
> # ---- baz_spec.rb
> 
> module Foo
>  module Quux
>    class Baz
>      def name
>        "noise"
>      end
>    end
>  end
> end
> 
> module Foo::Quux
>  describe Baz do
>    it "has a name" do
>      Baz.new.name.should == 'noise'
>    end
>  end
> end
> 
> # ----
> 
> This spec passes on rspec 2.0.1 and 1.3.0 on Ruby 1.8.7:
> 
> ----
> $ ruby -v
> ruby 1.8.7 (2010-08-16 patchlevel 302) [i686-darwin10.4.0]
> $ spec _1.3.0_ baz_spec.rb 
> .
> 
> Finished in 0.002011 seconds
> 
> 1 example, 0 failures
> $ rspec _2.0.1_ baz_spec.rb 
> .
> 
> Finished in 0.00077 seconds
> 1 example, 0 failures
> ----
> 
> It also passes on rspec 1.3.0 on Ruby 1.9.1.  On rspec 2.0.1, it fails:
> 
> ----
> $ ruby -v
> ruby 1.9.1p378 (2010-01-10 revision 26273) [i386-darwin10.3.0]
> $ spec _1.3.0_ baz_spec.rb 
> .
> 
> Finished in 0.020187 seconds
> 
> 1 example, 0 failures
> $ rspec _2.0.1_ baz_spec.rb 
> F
> 
> Failures:
>  1) Foo::Quux::Baz has a name
>     Failure/Error: Baz.new.name.should == 'noise'
>     uninitialized constant RSpec::Core::ExampleGroup::Nested_1::Baz
>     # ./baz_spec.rb:14:in `block (2 levels) in <module:Quux>'
> 
> Finished in 0.00159 seconds
> 1 example, 1 failure
> ----
> 
> Is this a bug or expected behavior in rspec 2?  I'll file an issue if it's a bug -- this would be against rspec-core, correct?

Same issue just came up on this list yesterday: http://groups.google.com/group/rspec/browse_thread/thread/60cfab923dbf007a


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