Resolves issue #55

- Adding tests for ldap.pp
- Only install postfix-ldap package on Debian based

manifests/ldap.pp

@@ -14,8 +14,10 @@
 # include postfix::ldap
 #
 class postfix::ldap {
-
-  package {'postfix-ldap': }
+  case $::osfamily {
+    'debian': { package {'postfix-ldap': } }
+    default: {}
+  }
 
   if ! $postfix::ldap_base {
     fail 'Missing $postfix::ldap_base !'
@@ -36,6 +38,6 @@ class postfix::ldap {
     owner   => 'root',
     group   => 'postfix',
     content => template('postfix/postfix-ldap-aliases.cf.erb'),
-    require => Package['postfix-ldap'],
+    #TODO: Figure out if should have require package here
   }
 }

spec/classes/postfix_spec.rb

@@ -37,6 +37,7 @@ describe 'postfix' do
 
     context 'when on RedHat' do
       let (:facts) { {
+        :lsbdistcodename           => 'Maipo',
         :fqdn                      => 'fqdn.example.com',
         :operatingsystem           => 'RedHat',
         :operatingsystemmajrelease => '7',
@@ -162,8 +163,53 @@ describe 'postfix' do
         end
       end
       context 'when enabling ldap' do
-        it 'should do stuff' do
-          skip 'need to write this still'
+        context 'when on Debian' do
+          let (:params) { {
+            :ldap            => true,
+            :ldap_base       => 'dc=example,dc=com',
+            :ldap_host       => 'host.example.com',
+          } }
+
+          let (:facts) { {
+            :operatingsystem => 'Debian',
+            :osfamily        => 'Debian',
+            :fqdn            => 'fqdn.example.com',
+            :lsbdistcodename => 'wheezy',
+          } }
+
+          it { should contain_package('postfix-ldap') }
+
+          it { should contain_file('/etc/postfix/ldap-aliases.cf').with(
+            :owner => 'root',
+            :group => 'postfix' ).with_content(/search_base = /)
+          }
+        end
+
+        context 'when on RedHat' do
+          let (:params) { {
+            :ldap => true,
+            :ldap_base => 'dc=example,dc=com',
+            :ldap_host => 'host.example.com',
+          } }
+
+          let (:facts) { {
+            :operatingsystem           => 'RedHat',
+            :osfamily                  => 'RedHat',
+            :operatingsystemmajrelease => '7',
+            :lsbdistcodename           => 'Maipo',
+            :fqdn                      => 'fqdn.example.com',
+          } }
+
+          it do
+            expect {
+              should_not contain_package('postfix-ldap')
+            }
+          end
+
+          it { should contain_file('/etc/postfix/ldap-aliases.cf').with(
+            :owner => 'root',
+            :group => 'postfix').with_content(/search_base = /)
+          }
         end
       end
       context 'when a custom mail_user is specified' do