refactor default spec test

spec/defines/generate_concat_spec.rb

@@ -3,17 +3,27 @@
 require 'spec_helper'
 
 describe 'Rsyslog::Generate_concat', include_rsyslog: true do
-  let(:pre_condition) { 'include rsyslog' }
-  let(:title) { 'mygeneratedconcat' }
+  context 'default' do
+    let(:pre_condition) { 'include rsyslog' }
+    let(:title) { 'mygeneratedconcat' }
 
-  let(:params) do
-    {
-      confdir: '/etc/rsyslog.d',
-      target: '50-rsyslog.conf'
-    }
-  end
+    on_supported_os.each do |os, os_facts|
+      context "on #{os}" do
+        let :facts do
+          os_facts
+        end
+
+        let(:params) do
+          {
+            confdir: '/etc/rsyslog.d',
+            target: '50-rsyslog.conf'
+          }
+        end
 
-  context 'with defaults' do
-    it { is_expected.to contain_concat('/etc/rsyslog.d/50-rsyslog.conf').that_notifies('Service[rsyslog]') }
+        it 'contains rsyslog config with syslog service notification' do
+          is_expected.to contain_concat('/etc/rsyslog.d/50-rsyslog.conf').that_notifies('Service[rsyslog]')
+        end
+      end
+    end
   end
 end