Add docs and unit tests for horizon

Change-Id: If64cd03117a7b3876dd070a2aad68801754a8349

spec/classes/openstack_horizon_spec.rb

@@ -0,0 +1,44 @@
+require 'spec_helper'
+
+describe 'openstack::horizon' do
+
+  let :required_params do
+    { :secret_key => 'super_secret' }
+  end
+
+  let :params do
+    required_params
+  end
+
+  let :facts do
+    {
+      :osfamily       => 'Redhat',
+      :memorysize     => '1GB',
+      :processorcount => '1',
+      :concat_basedir => '/tmp',
+      :operatingsystemrelease => '5'
+    }
+  end
+
+  it 'should configure horizon and memcache using default parameters and secret key' do
+    should contain_class('memcached').with(
+      :listen_ip => '127.0.0.1',
+      :tcp_port  => '11211',
+      :udp_port  => '11211'
+    )
+    should contain_class('horizon').with(
+      :cache_server_ip       => '127.0.0.1',
+      :cache_server_port     => '11211',
+      :secret_key            => 'super_secret',
+      :swift                 => false,
+      :quantum               => false,
+      :horizon_app_links     => false,
+      :keystone_host         => '127.0.0.1',
+      :keystone_scheme       => 'http',
+      :keystone_default_role => 'Member',
+      :django_debug          => 'False',
+      :api_result_limit      => 1000
+    )
+  end
+
+end