Merge pull request #43 from Youscribe/travis

Add basic travis support

.travis.yml

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+language: ruby
+gemfile:
+   - test/support/Gemfile
+rvm:
+  - 1.9.2
+  - 1.9.3
+script:
+  - bundle exec rake knife
+  - bundle exec rake foodcritic

Rakefile

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+#!/usr/bin/env rake
+
+require 'foodcritic'
+
+task :default => [:foodcritic]
+
+FoodCritic::Rake::LintTask.new
+
+desc "Runs knife cookbook test"
+task :knife do
+  Rake::Task[:prepare_sandbox].execute
+
+  sh "bundle exec knife cookbook test cookbook -c test/.chef/knife.rb -o #{sandbox_path}/../"
+end
+
+task :prepare_sandbox do
+  files = %w{*.md *.rb attributes definitions files libraries providers recipes resources templates}
+
+  rm_rf sandbox_path
+  mkdir_p sandbox_path
+  cp_r Dir.glob("{#{files.join(',')}}"), sandbox_path
+end
+
+private
+def sandbox_path
+  File.join(File.dirname(__FILE__), %w(tmp cookbooks cookbook))
+end

test/.chef/knife.rb

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+cache_type 'BasicFile'
+cache_options(:path => "#{ENV['HOME']}/.chef/checksums")

test/support/Gemfile

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+source "https://rubygems.org"
+
+gem 'rake'
+gem 'foodcritic'
+gem 'chef', '>= 10.12.0'