Rails - Mar 2009 - RAILS_ROOT issue - plugin unit tests won't work under vendor/plugins

Hi,

I''m relatively new to Ruby/Rails (and developing on Windows boxes).
I''ve inherited a system and am trying to get the unit tests for a
plugin running in Windows. Specifically, I have a plugin with some
unit tests running under my app''s vendor/plugins dir. When I try and
run a specific model unit test I get a failure:

-----
c:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in
`gem_original_require'': no such file to load -- C:/Documents and
Settings/leedoejgi/workspace/Ruby/config/environment (LoadError)
-----

It''s looking in C:/Documents and Settings/leedoejgi/workspace/Ruby/
config/environment instead of C:/Documents and Settings/leedoejgi/
workspace/Ruby/myapp/clients/myapp_client/config/environment.

The unit test is requiring test_helper in the same directory, which
looks like this:

----
$:.reject! { |e| e.include? ''TextMate''}
ENV["RAILS_ENV"] = "test"

unless defined? RAILS_ROOT
  RAILS_ROOT = ''../../..''
end

require File.expand_path("#{RAILS_ROOT}/config/environment")
require ''test_help''
require ''logger''
require ''fileutils''
<snip>
----

If I set an environment variable for RAILS_ROOT in Windows of and make
the following changes to test_helper give it the right RAILS_ROOT

----
$:.reject! { |e| e.include? ''TextMate''}
ENV["RAILS_ENV"] = "test"

# Support for NetBeans testing in Windows with RAILS_ROOT set in
environement.
if !ENV[''RAILS_ROOT''].empty?
  RAILS_ROOT = ENV[''RAILS_ROOT'']
end

unless defined? RAILS_ROOT
  RAILS_ROOT = ''../../..''
end

require File.expand_path("#{RAILS_ROOT}/config/environment")
require ''test_help''
require ''logger''
require ''fileutils''
<snip>
----

I now get a different error:

-----
c:/ruby/lib/ruby/gems/1.8/gems/rails-2.0.2/lib/initializer.rb:499:in
`replace'': can''t modify frozen string (TypeError)
-----

Can anyone offer me guidance on how to get the unit tests running
under Windows?

Thanks!

  Lee

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