RSpec testing for ingester

ingester_spec.rb

require 'spec_helper'
require 'pry'
describe 'profile::ingester' do
  on_supported_os({
    supported_os: [
      {
        'operatingsystem' => 'CentOS',
        'operatingsystemrelease' => [
          '5',
          '6',
          '7'
        ]
      }
    ]
  }).each do |os, facts|
    context "on #{os}" do
      let(:facts) do
        facts.merge({
          puppetversion: Puppet.version,
          ap_env: 'dev',
          ap_region: 'us-east-1',
          role: 'ingester'
        })
      end
      role = facts[role]
      puts "My Role is #{role}"
      puts "My FactsRole is #{facts[role]}"
      puts "My FactsRole2 is #{facts[:role]}"
      scope = YAML.load('role: ingester')
      hiera = Hiera.new(:config => 'spec/fixtures/hiera.yaml')
      modules = hiera.lookup('nodejs::npm', "role/%{role}", scope)
      modules.each do |title, mod|
        mod_name = mod['package']
        mod_version = mod['ensure']
        context "with #{mod_name} (#{title}) set to #{mod_version}" do
          it { should contain_nodejs__npm(title).with_ensure(mod_version) }
        end
      end
      %w(profile::ingester).each do |puppet_class|
        it { is_expected.to contain_class(puppet_class) }
      end
      provider_class = Puppet::Type.type(:package).provider(:rpm)
      before :each do
        Puppet::Type.type(:package).stubs(:defaultprovider).returns(provider_class)
      end
      it { is_expected.to compile.with_all_deps }
    end
  end
end