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POWhat are "specs" for in Ruby gems?
 

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    <p>I was looking through the Datamapper directories and opened up <code>dm-core/tasks/dm.rb</code>. Just generally speaking, what the heck is going on in this file? It looks like Greek to me. Particularly this thing about "specs" - what are those for? Is that similar to a software spec which defines what a project is supposed to encompass?</p> <pre><code>require 'spec/rake/spectask' require 'spec/rake/verify_rcov' task :default =&gt; 'spec' RCov::VerifyTask.new(:verify_rcov =&gt; :rcov) do |t| t.threshold = 87.7 # Make sure you have rcov 0.7 or higher! end def run_spec(name, files, rcov) Spec::Rake::SpecTask.new(name) do |t| t.spec_opts &lt;&lt; '--options' &lt;&lt; ROOT + 'spec/spec.opts' t.spec_files = Pathname.glob(ENV['FILES'] || files.to_s).map { |f| f.to_s } t.rcov = rcov t.rcov_opts &lt;&lt; '--exclude' &lt;&lt; 'spec' t.rcov_opts &lt;&lt; '--text-summary' #t.rcov_opts &lt;&lt; '--sort' &lt;&lt; 'coverage' &lt;&lt; '--sort-reverse' #t.rcov_opts &lt;&lt; '--only-uncovered' #t.rcov_opts &lt;&lt; '--profile' end end public_specs = ROOT + 'spec/public/**/*_spec.rb' semipublic_specs = ROOT + 'spec/semipublic/**/*_spec.rb' all_specs = ROOT + 'spec/**/*_spec.rb' desc 'Run all specifications' run_spec('spec', all_specs, false) desc 'Run all specifications with rcov' run_spec('rcov', all_specs, true) namespace :spec do desc 'Run public specifications' run_spec('public', public_specs, false) desc 'Run semipublic specifications' run_spec('semipublic', semipublic_specs, false) end namespace :rcov do desc 'Run public specifications with rcov' run_spec('public', public_specs, true) desc 'Run semipublic specifications with rcov' run_spec('semipublic', semipublic_specs, true) end desc 'Run all comparisons with ActiveRecord' task :perf do sh ROOT + 'script/performance.rb' end desc 'Profile DataMapper' task :profile do sh ROOT + 'script/profile.rb' end </code></pre>
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