use rspec-puppet-facts for fluentd_spec

spec/classes/fluentd_spec.rb

@@ -1,37 +1,20 @@
 require 'spec_helper'
 
 describe 'fluentd', :type => :class do
-  shared_examples 'when called with no parameters' do
-    it {
-      should contain_class('fluentd::repo')
-      should contain_class('fluentd::install')
-      should contain_class('fluentd::config')
-      should contain_class('fluentd::service')
-    }
+  on_supported_os.each do |os, facts|
+    context "on #{os}" do
+      let :facts do
+        facts
+      end
+
+      describe 'when called with no parameters' do
+        it {
+          should contain_class('fluentd::repo')
+          should contain_class('fluentd::install')
+          should contain_class('fluentd::config')
+          should contain_class('fluentd::service')
+        }
+      end
+    end
   end
-
-  context 'when osfamily is Debian' do
-    let(:facts) {
-      {
-        :osfamily        => 'Debian',
-        :lsbdistid       => 'Ubuntu',
-        :operatingsystem => 'Ubuntu',
-        :lsbdistcodename => 'precise',
-        :architecture    => 'amd64',
-      }
-    }
-
-    include_examples 'when called with no parameters'
-  end
-
-  context 'when osfamily is RedHat' do
-    let(:facts) {
-      {
-        :osfamily => 'RedHat',
-      }
-    }
-
-    include_examples 'when called with no parameters'
-  end
-
 end