Add files for spec tests.

In a vain hope that if I place the files there someone
else might write the tests :)

spec/classes/openstack_all_spec.rb

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+require 'spec_helper'
+
+describe 'openstack::all' do
+
+end

spec/classes/openstack_compute_spec.rb

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+require 'spec_helper'
+
+describe 'openstack::compute' do
+
+end

spec/classes/openstack_controller_spec.rb

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+require 'spec_helper'
+
+describe 'openstack::controller' do
+
+end

spec/spec_helper.rb

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+require 'puppet'
+require 'rspec'
+require 'rspec-puppet'
+
+def param_value(subject, type, title, param)
+  subject.resource(type, title).send(:parameters)[param.to_sym]
+end
+
+def verify_contents(subject, title, expected_lines)
+  content = subject.resource('file', title).send(:parameters)[:content]
+  (content.split("\n") & expected_lines).should == expected_lines
+end
+
+RSpec.configure do |c|
+  c.module_path = File.expand_path(File.join(File.dirname(__FILE__), 'fixtures/modules/'))
+  # Using an empty site.pp file to avoid: https://github.com/rodjek/rspec-puppet/issues/15
+  c.manifest_dir = File.expand_path(File.join(File.dirname(__FILE__), 'fixtures/manifests'))
+end