[rspec-users] superclass mismatch for class ModelExampleGroup (TypeError)

David Chelimsky dchelimsky at gmail.com
Fri Apr 10 04:12:16 EDT 2009


On Wed, Apr 8, 2009 at 5:48 PM, Andrew Zielinski
<andrew.zielinski.is at gmail.com> wrote:
>
> Thanks David,
>
> It seems like remarkable was the culprit. Somebody had posted the same issue
> to lighthouse.

Do you mean rspec's lighthouse account? If so, which ticket?

> The solution was to specify the lib in environment.rb instead of setting it
> to false for rspec and rspec-rails. The discussion was in Portuguese so I'm
> not sure why this works.
>
> I don't get the error anymore but now when I run spec_server it hangs.
> Running it with debug produced the following output:
>
> -----------Exception `LoadError' at /Library/Ruby/Site/1.8/rubygems.rb:871 -
> no such file to load -- rubygems/defaults/operating_system
> Exception `LoadError' at /Library/Ruby/Site/1.8/rubygems/config_file.rb:35 -
> no such file to load -- Win32API

Win32API??? No idea why that is being loaded (or trying to be).

> Exception `TypeError' at (eval):4 - can't modify frozen object
> Exception `MissingSourceFile' at
> /Library/Ruby/Site/1.8/rubygems/custom_require.rb:31 - no such file to load
> -- fast_xs
> Exception `Gem::LoadError' at /Library/Ruby/Site/1.8/rubygems.rb:636 -
> RubyGem version error: rack(0.3.0 not ~> 1.0.0)
>
> Exception `Gem::LoadError' at /Library/Ruby/Site/1.8/rubygems.rb:636 - Could
> not find RubyGem tmail (~> 1.2.3)
>
> Exception `MissingSourceFile' at
> /Library/Ruby/Site/1.8/rubygems/custom_require.rb:31 - no such file to load
> -- tmail/tmailscanner
> Exception `MissingSourceFile' at
> /Library/Ruby/Site/1.8/rubygems/custom_require.rb:38 - no such file to load
> -- tmail/tmailscanner
> Exception `MissingSourceFile' at
> /Library/Ruby/Gems/1.8/gems/activesupport-2.3.2/lib/active_support/dependencies.rb:162
> - no such file to load -- tmail/tmailscanner
> /Library/Ruby/Gems/1.8/gems/rails-2.3.2/lib/initializer.rb:756: warning:
> instance variable @reload_plugins not initialized
> /Library/Ruby/Gems/1.8/gems/rails-2.3.2/lib/initializer.rb:756: warning:
> instance variable @reload_plugins not initialized
> /Library/Ruby/Gems/1.8/gems/rails-2.3.2/lib/initializer.rb:756: warning:
> instance variable @reload_plugins not initialized
> /Library/Ruby/Gems/1.8/gems/rails-2.3.2/lib/initializer.rb:756: warning:
> instance variable @reload_plugins not initialized

There's not that much help in this backtrace (for me). Anybody else
paying attention and getting some idea about this problem?

>
> ...................
>
>
>
> David Chelimsky-2 wrote:
>>
>> On Tue, Apr 7, 2009 at 6:20 PM, Andrew Zielinski
>> <andrew.zielinski.is at gmail.com> wrote:
>>>
>>> I hope somebody can help me with this.
>>>
>>> I can't seem to run spec_server with rails 2.3.2 using rspec/rspec-rails
>>> 1.2.2. I'm also using mocha 0.9.5 and remarkable 2.3.0.
>>
>> The stack trace doesn't show it, but the superclass mismatch suggests
>> that you have a version of rspec pre 1.2 that is being loaded
>> somewhere. The old ModelExampleGroup derived directly from
>> Test::Unit::TestCase, but the 1.2 class derives from
>> ActiveSupport::TestCase. Can you check to see what versions of rspec
>> and rspec-rails you have installed and uninstall all the old ones if
>> you can.
>>
>> HTH,
>> David
>>
>>>
>>> Thanks Andrew
>>>
>>> Here is the stack trace:
>>>
>>> ---------------------------------
>>>
>>> /Library/Ruby/Gems/1.8/gems/rspec-rails-1.2.2/lib/spec/rails/example/model_example_group.rb:9:
>>> superclass mismatch for class ModelExampleGroup (TypeError)
>>>
>>> from /Library/Ruby/Site/1.8/rubygems/custom_require.rb:31:in
>>> `gem_original_require'
>>> from /Library/Ruby/Site/1.8/rubygems/custom_require.rb:31:in `require'
>>> from
>>> /Library/Ruby/Gems/1.8/gems/activesupport-2.3.2/lib/active_support/dependencies.rb:158:in
>>> `require'
>>> from
>>> /Library/Ruby/Gems/1.8/gems/rspec-rails-1.2.2/lib/spec/rails/example.rb:6
>>> from /Library/Ruby/Site/1.8/rubygems/custom_require.rb:31:in
>>> `gem_original_require'
>>> from /Library/Ruby/Site/1.8/rubygems/custom_require.rb:31:in `require'
>>> from
>>> /Library/Ruby/Gems/1.8/gems/activesupport-2.3.2/lib/active_support/dependencies.rb:158:in
>>> `require'
>>> from /Library/Ruby/Gems/1.8/gems/rspec-rails-1.2.2/lib/spec/rails.rb:19
>>>  ... 9 levels...
>>> from /Library/Ruby/Gems/1.8/gems/rails-2.3.2/lib/initializer.rb:113:in
>>> `run'
>>> from ./script/../config/environment.rb:13
>>> from ./script/spec_server:6:in `require'
>>> from ./script/spec_server:6
>>>
>>>
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>
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