Testing file content in rspec-puppet

gistfile1.pp

describe 'when setting resolver params' do
  # Convenience helper for returning parameters for a type from the 
  # catalogue.
  def param(type, title, param) 
    catalogue.resource(type, title).send(:parameters)[param.to_sym]
  end

  it 'should create multiple nameserver entries when nameserver is an array' do
    params['nameserver'] = ["1.1.1.1","2.2.2.2","3.3.3.3"]
    content = param("file", "/etc/resolv.conf","content")
    content.should =~ /\nnameserver 1.1.1.1\nnameserver 2.2.2.2\nnameserver 3.3.3.3\n/
  end
end