diff --git a/.nodeset.yml b/.nodeset.yml
new file mode 100644
index 00000000..767f9cd2
--- /dev/null
+++ b/.nodeset.yml
@@ -0,0 +1,31 @@
+---
+default_set: 'centos-64-x64'
+sets:
+  'centos-59-x64':
+    nodes:
+      "main.foo.vm":
+        prefab: 'centos-59-x64'
+  'centos-64-x64':
+    nodes:
+      "main.foo.vm":
+        prefab: 'centos-64-x64'
+  'fedora-18-x64':
+    nodes:
+      "main.foo.vm":
+        prefab: 'fedora-18-x64'
+  'debian-607-x64':
+    nodes:
+      "main.foo.vm":
+        prefab: 'debian-607-x64'
+  'debian-70rc1-x64':
+    nodes:
+      "main.foo.vm":
+        prefab: 'debian-70rc1-x64'
+  'ubuntu-server-10044-x64':
+    nodes:
+      "main.foo.vm":
+        prefab: 'ubuntu-server-10044-x64'
+  'ubuntu-server-12042-x64':
+    nodes:
+      "main.foo.vm":
+        prefab: 'ubuntu-server-12042-x64'
diff --git a/Gemfile b/Gemfile
new file mode 100644
index 00000000..128f9fe3
--- /dev/null
+++ b/Gemfile
@@ -0,0 +1,26 @@
+source 'https://rubygems.org'
+
+group :development, :test do
+  gem 'rake',                    :require => false
+  gem 'rspec-puppet',            :require => false
+  gem 'puppetlabs_spec_helper',  :require => false
+  gem 'rspec-system',            :require => false
+  gem 'rspec-system-puppet',     :require => false
+  gem 'rspec-system-serverspec', :require => false
+  gem 'puppet-lint',             :require => false
+  gem 'pry',                     :require => false
+end
+
+if facterversion = ENV['FACTER_GEM_VERSION']
+  gem 'facter', facterversion, :require => false
+else
+  gem 'facter', :require => false
+end
+
+if puppetversion = ENV['PUPPET_GEM_VERSION']
+  gem 'puppet', puppetversion, :require => false
+else
+  gem 'puppet', :require => false
+end
+
+# vim:ft=ruby
diff --git a/Rakefile b/Rakefile
new file mode 100644
index 00000000..bb60173e
--- /dev/null
+++ b/Rakefile
@@ -0,0 +1,2 @@
+require 'puppetlabs_spec_helper/rake_tasks'
+require 'rspec-system/rake_task'
diff --git a/manifests/forwarder.pp b/manifests/forwarder.pp
index 655a15d0..e9b57e8c 100644
--- a/manifests/forwarder.pp
+++ b/manifests/forwarder.pp
@@ -117,7 +117,7 @@
   # to the agnostic resources declared here.
   case $::kernel {
     default: { } # no special configuration needed
-    'Linux': { include splunk::platform::posix   }
+    'Linux': { class { 'splunk::platform::posix': splunkd_port => $splunkd_port, } }
     'SunOS': { include splunk::platform::solaris }
   }
 
diff --git a/manifests/platform/posix.pp b/manifests/platform/posix.pp
index bf7d2d55..9bb8b2ab 100644
--- a/manifests/platform/posix.pp
+++ b/manifests/platform/posix.pp
@@ -14,7 +14,9 @@
 #
 # Requires: nothing
 #
-class splunk::platform::posix inherits splunk::virtual {
+class splunk::platform::posix (
+  $splunkd_port = $splunk::splunkd_port,
+) inherits splunk::virtual {
 
   # Many of the resources declared here are virtual. They will be realized by
   # the appropriate including class if required.
@@ -67,7 +69,7 @@
     restart  => '/opt/splunk/bin/splunk restart splunkd',
     start    => '/opt/splunk/bin/splunk start splunkd',
     stop     => '/opt/splunk/bin/splunk stop splunkd',
-    pattern  => "splunkd -p ${splunk::splunkd_port} (restart|start)",
+    pattern  => "splunkd -p ${splunkd_port} (restart|start)",
     require  => Service['splunk'],
   }
   Service['splunkweb'] {
diff --git a/spec/spec.opts b/spec/spec.opts
new file mode 100644
index 00000000..de653df4
--- /dev/null
+++ b/spec/spec.opts
@@ -0,0 +1,4 @@
+--format s
+--colour
+--loadby mtime
+--backtrace
diff --git a/spec/spec_helper_system.rb b/spec/spec_helper_system.rb
new file mode 100644
index 00000000..ce97663f
--- /dev/null
+++ b/spec/spec_helper_system.rb
@@ -0,0 +1,27 @@
+require 'rspec-system/spec_helper'
+require 'rspec-system-puppet/helpers'
+require 'rspec-system-serverspec/helpers'
+include RSpecSystemPuppet::Helpers
+
+RSpec.configure do |c|
+  # Project root
+  proj_root = File.expand_path(File.join(File.dirname(__FILE__), '..'))
+
+  # Enable colour
+  c.tty = true
+
+  c.include RSpecSystemPuppet::Helpers
+
+  # This is where we 'setup' the nodes before running our tests
+  c.before :suite do
+    # Install puppet
+    puppet_install
+
+    # Install modules and dependencies
+    puppet_module_install(:source => proj_root, :module_name => 'splunk')
+    shell('puppet module install nanliu-staging --version 0.3.1')
+    shell('puppet module install puppetlabs-stdlib --version 3.0.0')
+    shell('puppet module install puppetlabs-inifile --version 1.0.0')
+  end
+end
+
diff --git a/spec/system/forwarder_spec.rb b/spec/system/forwarder_spec.rb
new file mode 100644
index 00000000..8bc39288
--- /dev/null
+++ b/spec/system/forwarder_spec.rb
@@ -0,0 +1,52 @@
+require 'spec_helper_system'
+require 'pry'
+
+describe 'setting up the forwarder' do
+
+  it 'should be able to set up a forwarder' do
+    pp = <<-EOS
+      class { 'splunk::params':
+        version => '6.0',
+        build   => '182037',
+      }
+      class { 'splunk::forwarder': }
+    EOS
+
+    # Run it twice and test for idempotency
+    puppet_apply(pp) do |r|
+      r.exit_code.should_not == 1
+      r.refresh
+      r.exit_code.should be_zero
+    end
+  end
+
+  describe service('splunk') do
+    it { should be_running }
+  end
+
+  it 'changes the transforms settings for the forwarder' do
+    pp = <<-EOS
+      splunkforwarder_transforms { 'hadoop severity regex':
+        section => 'hadoop_severity',
+        setting => 'REGEX',
+        value   => '\\d',
+      }
+      splunkforwarder_transforms { 'hadoop severity format':
+        section => 'hadoop_severity',
+        setting => 'FORMAT',
+        value   => 'severity::$1',
+      }
+    EOS
+
+    # Run it twice and test for idempotency
+    puppet_apply(pp) do |r|
+      r.exit_code.should_not == 1
+      r.refresh
+      r.exit_code.should be_zero
+    end
+  end
+
+  describe file('/opt/splunkforwarder/etc/system/local/transforms.conf') do
+    its(:content) { should match(/\[hadoop_severity\]\nREGEX=\\d\nFORMAT=severity/) }
+  end
+end