max_redirects = 3

# Follow redirects
response = max_redirects.times.lazy.filter_map {
  puts "Requesting #{url}…"
  response = Net::HTTP.get_response(URI(url))
  case response
  when Net::HTTPRedirection
    url = response["location"]
    nil
  else
    response
  end
}.first

assert_equal 200, response.code.to_i