rspec

This is the error that occurs:

/var/lib/gems/1.8/gems/rspec-1.1.4/lib/spec.rb:27:in `exit?': undefined method `run?' for Test::Unit:Module (NoMethodError)
    from /var/lib/gems/1.8/gems/rspec-1.1.4/lib/spec/runner.rb:193:in `register_at_exit_hook'
    from spec/dsl_spec.rb:3

This doesn't happen on every machine, but it happens every time on my Ubuntu Linux 64-bit continuous integration machine when the following are true:

1. RSpec is loaded while Object.const_defined?(:Test) is false
2. Spec.exit? is called while Object.const_defined?(:Test) is true
3. test/unit has not been loaded

My particular way to cause this was to have a spec_helper.rb file that looked like this:

require 'rubygems'
require 'spec'

require File.dirname(__FILE__) + '/../lib/myproject'

Where the project in question loaded ActiveRecord and, by implication, ActiveSupport, which doesn't actually load test/unit but defines the Test::Unit module. Therefore when Spec.exit? is called, it assumes test/unit has been loaded and calls Test::Unit.run?, resulting in the above error.

Someone else had the same problem: https://www.ruby-forum.com/topic...

A workaround is to require 'spec' only after your app code has been initialized, so either Test will be there or it won't.

My commit on github: http://github.com/eventualbuddha...