Add basic rspec test

Add a basic apply test

Change-Id: Iff4d74806c67c9480e3679fcca56d8470b9fd29e

spec/acceptance/ethercalc_spec.rb

@@ -0,0 +1,17 @@
+require 'puppet-openstack_infra_spec_helper/spec_helper_acceptance'
+
+describe 'puppet-ethercalc:: manifest', :if => ['debian', 'ubuntu'].include?(os[:family]) do
+  def pp_path
+    base_path = File.dirname(__FILE__)
+    File.join(base_path, 'fixtures')
+  end
+
+  def init_puppet_module
+    module_path = File.join(pp_path, 'ethercalc.pp')
+    File.read(module_path)
+  end
+
+  it 'should work with no errors' do
+    apply_manifest(init_puppet_module, catch_failures: true)
+  end
+end

spec/acceptance/fixtures/ethercalc.pp

@@ -0,0 +1,5 @@
+$source_dir = '/opt/openstack-health'
+
+include ethercalc::redis
+
+class { '::ethercalc': }