diff --git a/.fixtures.yml b/.fixtures.yml
new file mode 100644
index 00000000..a5de51c9
--- /dev/null
+++ b/.fixtures.yml
@@ -0,0 +1,3 @@
+fixtures:
+  symlinks:
+    "horizon": "#{source_dir}"
diff --git a/.gemfile b/.gemfile
new file mode 100644
index 00000000..9aad840c
--- /dev/null
+++ b/.gemfile
@@ -0,0 +1,5 @@
+source :rubygems
+
+puppetversion = ENV.key?('PUPPET_VERSION') ? "= #{ENV['PUPPET_VERSION']}" : ['>= 2.7']
+gem 'puppet', puppetversion
+gem 'puppetlabs_spec_helper', '>= 0.1.0'
diff --git a/Rakefile b/Rakefile
new file mode 100644
index 00000000..cd3d3799
--- /dev/null
+++ b/Rakefile
@@ -0,0 +1 @@
+require 'puppetlabs_spec_helper/rake_tasks'
diff --git a/spec/classes/horizon_init_spec.rb b/spec/classes/horizon_init_spec.rb
new file mode 100644
index 00000000..175230e5
--- /dev/null
+++ b/spec/classes/horizon_init_spec.rb
@@ -0,0 +1,33 @@
+require 'spec_helper'
+
+describe 'horizon' do
+  let :params do
+    {
+      'cache_server_ip' => '10.0.0.1'
+    }
+  end
+
+  describe 'when running on redhat' do
+    let :facts do
+      {
+        'osfamily' => 'RedHat'
+      }
+    end
+
+    it {
+      should contain_service('httpd').with_name('httpd')
+    }
+  end
+
+  describe 'when running on debian' do
+    let :facts do
+      {
+        'osfamily' => 'Debian'
+      }
+    end
+
+    it {
+      should contain_service('httpd').with_name('apache2')
+    }
+  end
+end
diff --git a/spec/fixtures/manifests/site.pp b/spec/fixtures/manifests/site.pp
new file mode 100644
index 00000000..e69de29b
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
new file mode 100644
index 00000000..2c6f5664
--- /dev/null
+++ b/spec/spec_helper.rb
@@ -0,0 +1 @@
+require 'puppetlabs_spec_helper/module_spec_helper'