Added puppetlabs-firewall (required by puppetlabs-postgresql), updated the other modules.

modules/firewall/spec/unit/classes/firewall_linux_spec.rb

@@ -0,0 +1,30 @@
+require 'spec_helper'
+
+describe 'firewall::linux', :type => :class do
+  let(:facts_default) {{ :kernel => 'Linux' }}
+  it { should contain_package('iptables').with_ensure('present') }
+
+  context 'RedHat like' do
+    %w{RedHat CentOS Fedora}.each do |os|
+      context "operatingsystem => #{os}" do
+        releases = (os == 'Fedora' ? [14,15,'Rawhide'] : [6,7])
+        releases.each do |osrel|
+          context "operatingsystemrelease => #{osrel}" do
+            let(:facts) { facts_default.merge({ :operatingsystem => os,
+                                                :operatingsystemrelease => osrel}) }
+            it { should contain_class('firewall::linux::redhat').with_require('Package[iptables]') }
+          end
+        end
+      end
+    end
+  end
+
+  context 'Debian like' do
+    %w{Debian Ubuntu}.each do |os|
+      context "operatingsystem => #{os}" do
+        let(:facts) { facts_default.merge({ :operatingsystem => os }) }
+        it { should contain_class('firewall::linux::debian').with_require('Package[iptables]') }
+      end
+    end
+  end
+end