gunzip_vcr.rb

# decompress gzip-ed VCR fixtures

require 'zlib'
require 'psych'

Dir.glob('spec/fixtures/vcr_cassettes/**/*.yml').each do |filename|
  data = Psych.load_file(filename)

  changed = false
  data['http_interactions'].each do |interaction|
    response = interaction['response']
    headers = response['headers']

    next unless headers['Content-Encoding'] == ['gzip']

    body = response['body']
    gz = Zlib::GzipReader.new(StringIO.new(body['string']))
    string = gz.read
    gz.close
    body['encoding'] = 'UTF-8'
    body['string'] = string

    headers.delete 'Content-Encoding'

    changed = true
  end

  if changed
    puts "writing #{filename}."
    File.write(filename, Psych.dump(data))
  end
end