vcr-webmock-2-converter.rb

#!/usr/bin/env ruby
#
# Convert VCR cassettes that use basic auth to work with Webmock 2. Takes the folder where the VCR
#cassettes are stored as an argument.

require 'yaml'
require 'base64'

FOLDER = File.expand_path(ARGV[0])
FILES =  Dir["#{File.join(FOLDER, '**', '*.yml')}"]

def transform_request!(request)
  uri = request['request']['uri']
  # Don't use the URI class as that only works with well formed URIs. It's not guaranteed that we
  # have well formed URIs however as we can replace any part of the cassette using the VCR
  # filter_sensitive_data feature.
  return unless uri =~ %r{//([^@]+)@}
  userinfo = $1
  base64userinfo = Base64.encode64(userinfo)
  uri = uri.gsub("#{userinfo}@", '')
  request['request']['uri'] = uri
  request['request']['headers']['Authorization'] = "Basic #{base64userinfo}"
end

def transform!(path)
  print "."
  yaml = YAML.load_file(path)
  yaml['http_interactions'].each do |request|
    transform_request!(request)
  end
  File.open(path, 'w') do |f|
    YAML.dump(yaml, f)
  end
end

FILES.each do |file|
  transform!(file)
end