demo how to use rspec-hiera-puppet to load hiera.yaml when using dynamic puppet environments

spec_helper.rb

original_verbosity = $VERBOSE
$VERBOSE = nil
require 'rspec-puppet'
require 'rspec-hiera-puppet'
require 'test/unit'
require 'mocha/setup'

module Helpers
  extend RSpec::SharedContext
    def hiera_config_file
      thisfile = File.dirname(__FILE__)
      if thisfile.include?('modules')
        repo_root=File.expand_path(File.join(thisfile,'..','..','..'))
      else
        repo_root=File.expand_path(File.join(thisfile,'..'))
      end
      h_config = YAML.load(File.open("#{repo_root}/modules/puppet/files/configs/hiera.yaml"))
      h_config[:yaml][:datadir] = "#{repo_root}/hieradata"
      h_config
    end

  let(:hiera_config) { hiera_config_file }
end

fixture_path = File.expand_path(File.join(__FILE__, '..', 'fixtures'))

# Correct the loadpath to not include the environmental puppet
$:.delete_if {|path| path.include?('/usr/lib/ruby/site_ruby/1.8') }

RSpec.configure do |c|
  c.mock_with 'mocha'

  # == core options ==
  # For core options and their meanings, see
  # https://github.com/rspec/rspec-core/blob/master/lib/rspec/core/configuration.rb#L76-124

  #c.fail_fast = true

  # show times for 10 slowest examples (unless there are failed examples)
  #c.profile_examples = true

  # == rspec-puppet options ==
  c.module_path = File.join(fixture_path, 'modules')
  c.manifest_dir = File.join(fixture_path, 'manifests')
  c.include(Helpers)

  c.before :each do
    # don't cache facts and environment between test cases
    Facter::Util::Loader.any_instance.stubs(:load_all)
    Facter.clear
    Facter.clear_messages

    # Store environment variables (to be restored later)
    @old_env = {}
    ENV.each_key {|k| @old_env[k] = ENV[k]}
  end

  c.after :each do
    # Restore environment variables
    @old_env.each_pair {|k, v| ENV[k] = v}
    to_remove = ENV.keys.reject {|key| @old_env.include? key }
    to_remove.each {|key| ENV.delete key }
  end

end

module FacterSpec
  module ConfigHelper
    def given_a_configuration_of(config)
      Facter::Util::Config.stubs(:is_windows?).returns(config[:is_windows])
      Facter::Util::Config.stubs(:external_facts_dir).returns(config[:external_facts_dir] || "data_dir")
    end
  end
end