Assert the contents of a generated PDF with Capybara and Cucumber

pdf_to_text.rb

# Dependencies: pdftotext (included in xpdf)
# OSX: brew install xpdf
# Ubuntu/Debian: apt-get install xpdf

Then /^I should have get a pdf with the business name$/ do
  page.response_headers['Content-Type'].should include 'application/pdf'
  pdf_to_text.should include @current_business.name
end

def pdf_to_text
  begin
    require 'tempfile'
    pdf = Tempfile.new('pdf')
    pdf.write(page.source.force_encoding('utf-8'))

    return `pdftotext #{pdf.path} -`
  ensure
    pdf.close
    pdf.unlink
  end
end