Fix quotes in /etc/aliases

manifests/files.pp

@@ -10,7 +10,7 @@ class postfix::files {
   # Aliases
   file { '/etc/aliases':
     ensure  => present,
-    content => '# file managed by puppet\n',
+    content => "# file managed by puppet\n",
     replace => false,
     seltype => $postfix::params::seltype,
     notify  => Exec['newaliases'],

spec/classes/postfix_spec.rb

@@ -5,17 +5,25 @@ describe 'postfix' do
     let (:facts) { {
       :operatingsystem => 'Debian',
       :osfamily        => 'Debian',
+      :fqdn            => 'fqdn.example.com',
     } }
 
     it { should contain_package('postfix') }
+    it { should contain_package('mailx') }
+    it { should contain_file('/etc/mailname').with_content("fqdn.example.com\n") }
+    it { should contain_file('/etc/aliases').with_content("# file managed by puppet\n") }
   end
 
   context 'when on RedHat' do
     let (:facts) { {
       :operatingsystem => 'RedHat',
       :osfamily        => 'RedHat',
+      :fqdn            => 'fqdn.example.com',
     } }
 
     it { should contain_package('postfix') }
+    it { should contain_package('mailx') }
+    it { should contain_file('/etc/mailname').with_content("fqdn.example.com\n") }
+    it { should contain_file('/etc/aliases').with_content("# file managed by puppet\n") }
   end
 end