From: Rob Biedenharn <Rob@...>
Date: 2009-01-03T09:42:23+09:00
Subject: Re: require wackyness

On Jan 2, 2009, at 6:37 PM, Vincent Ds wrote:
> Hi,
>
> First time poster here ... picking up Ruby again after neglecting it  
> for
>> 2 years after some rails work. But, instead of Rails, this time I  
>> want
> to properly understand Ruby. Sadly though progress is slow ... mainly
> due to the following problem:
>
> I have a root directory containing 2 folders (lib & spec). lib  
> contains
> a couple of sub-folders and I want all of the folders known to Ruby so
> that it knows where to look when I require the files. But somehow this
> isn't working. Probably making a beginner mistake ... Here is what I
> have:
>
> lib/classes/movie.rb:
>
> class Movie
> #...
> end
>
> spec/spec_helper.rb:
>
> paths = %w(classes, logic, logic/scrapers)
You almost certainly do not want those commas:
  paths = %w( classes logic logic/scrapers)
>
> paths.each do |p|
>  $LOAD_PATH <<
> File.expand_path("#{File.dirname(__FILE__)}/../lib/#{p}")
> end
> puts $LOAD_PATH
>
> spec/imdb_movie_scraper_spec.rb:
>
> $LOAD_PATH << File.expand_path(File.dirname(__FILE__))
>
> require 'spec_helper'
> require 'imdb_movie_scraper'
> require 'movie'
> #...
>
> Here is what I do:
> in the root directory (directory containing lib and spec):
> spec spec/imdb_movie_scraper_spec.rb -c
>
> and it gives me the following annoying error:
> /Library/Ruby/Site/1.8/rubygems/custom_require.rb:31:in
> `gem_original_require': no such file to load -- movie (LoadError)
>  from /Library/Ruby/Site/1.8/rubygems/custom_require.rb:31:in  
> `require'
>  from ./spec/imdb_movie_scraper_spec.rb:6 (yes, this is include  
> 'movie'
>
> I know that spec_helper launched since it outputs the $LOAD_PATH just
> above the error.
>
> HOW is this possible? The file movie.rb is obviously defined in
> /Users/spobo/Code/movie-crawler/lib/classes and this is included in
> $LOAD_PATH.
>
> What am I missing here? Debugging and figuring out this stuff any  
> longer
> and my shiny new laptop will go from 60 to 0 in 0.01 second flat  
> against
> the wall. *aaaaaaaar* it's frustrating!!
> -- 


If you want *all* the directories under lib/ to be in the LOAD_PATH,  
you could do:

Dir['../lib/**/**'].each do |dir|
   $LOAD_PATH << File.expand_path(dir)
end
puts $LOAD_PATH

Then you'd pick up ALL the future directories under lib/, too!

-Rob

Rob Biedenharn		http://agileconsultingllc.com
Rob@AgileConsultingLLC.com