Merging AlexRRR's test frameworks additions

Gemfile

+source 'http://rubygems.org'
+
+gem 'rake'
+gem 'colorize'
+gem 'puppet', '~> 3.7.1'
+gem 'rspec', '~> 3.1'
+gem 'puppet-lint', '~> 1.1.0'
+gem 'rspec-puppet', '~> 1.0.1'
+gem 'puppetlabs_spec_helper', '~> 0.8.2'

README.md

@@ -17,3 +17,14 @@ To define a package, and all required dependencies, use this format:
     r::package { 'reshape': dependencies => true, }
 
 on RHEL/CentOS machines, make sure you have EPEL enabled, or R won't install properly.
+
+
+## Testing
+Testing is done via rspec-puppet, install dependencies
+```
+bundle install
+```
+run tests
+```
+rspec
+```

spec/defines/package_spec.rb

+# for rspec-puppet documentation - see http://rspec-puppet.com/tutorial/
+require_relative '../spec_helper'
+
+describe 'r::package' do
+
+  describe 'In ubuntu/redhat' do
+
+    let(:facts) { {
+      :operatingsystem => 'Debian',
+      :architecture => 'amd64',
+      :osfamily => 'Debian',
+     } }
+
+     let(:title) {'test'}
+
+     it 'sets up the correct binary' do
+       should contain_exec('install_r_package_test')
+        .with_unless(/\/usr\/bin\/R/)
+     end
+   end
+end

spec/fixtures/modules/r

+../../../
\ No newline at end of file

spec/spec_helper.rb

-dir = File.expand_path(File.dirname(__FILE__))
-$LOAD_PATH.unshift File.join(dir, 'lib')
+require 'rspec-puppet'
+require 'puppetlabs_spec_helper/module_spec_helper'
+require 'puppetlabs_spec_helper/puppetlabs_spec_helper'
+require 'yaml'
 
-require 'mocha'
-require 'puppet'
-require 'rspec'
-require 'spec/autorun'
+fixture_path = File.expand_path(File.join(__FILE__, '..', 'fixtures'))
 
-Spec::Runner.configure do |config|
-    config.mock_with :mocha
-end
-
-# We need this because the RAL uses 'should' as a method.  This
-# allows us the same behaviour but with a different method name.
-class Object
-    alias :must :should
+RSpec.configure do |c|
+  c.module_path = File.join(fixture_path, 'modules') 
+  c.manifest_dir = File.join(fixture_path, 'manifests')
 end