Add spec for postfix::satellite

manifests/satellite.pp

@@ -23,15 +23,11 @@
 #
 class postfix::satellite {
 
-  # If $valid_fqdn exists, use it to override $fqdn
-  case $valid_fqdn {
-    '':      { $valid_fqdn = $::fqdn }
-    default: { $fqdn = $valid_fqdn }
-  }
+  validate_re($postfix::myorigin, '^\S+$')
 
-  include postfix::mta
+  include ::postfix::mta
 
-  postfix::virtual { "@${valid_fqdn}":
+  postfix::virtual { "@${postfix::myorigin}":
     ensure      => present,
     destination => 'root',
   }

spec/classes/postfix_satellite_spec.rb

+require 'spec_helper'
+
+describe 'postfix::satellite' do
+  let (:facts) { {
+    :osfamily            => 'Debian',
+    :needs_postfix_class => true,
+  } }
+  it { should include_class('postfix::mta') }
+  it { should contain_postfix__virtual('@foo.example.com').with(
+    :ensure      => 'present',
+    :destination => 'root'
+  ) }
+end

spec/fixtures/manifests/site.pp

-node default {
 include ::augeas
+
+if $::needs_postfix_class {
+  include ::postfix
 }