From: Jim Weirich <jim@...>
Date: 2007-03-25T11:01:31+09:00
Subject: Re: Ruby Gem question, updating a gem of a called procedure

dkmd_nielsen wrote:
> Primary procedure does this:
> 
> gem 'CmsStandards'
> require 'CmsStandards'
> require 'Project'
> gem 'CmsPresort'
> require 'CmsPresort'
> require 'PresortSummaryReport'

You can actually drop all of the gem statement in the above code (and 
the other example as well).  You only need to use the gem statement if 
you wish to load a non-default version of the gem.

> [...] But gem will load it from the
> gem library.  Correct?

A gem is only "activated" (i.e. moved into the Ruby load path) if it 
contains a required file that is not normally found.  Just make sure 
your test version is available in the load path and the gem will never 
be activated.  I test my libraries in this manner all the time.

-- Jim Weirich

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