Example for https://github.com/myronmarston/vcr/issues/101

Runtest.rb

require 'rubygems'
require 'vcr'
require 'test/unit'
require 'rack/test'
require 'excon'

VCR.config do |c|
  c.cassette_library_dir = "fixtures"
  c.stub_with :excon
  c.default_cassette_options = { :record => :new_episodes}
end

class VCRExampleTest < Test::Unit::TestCase

  def self.runtest
    #make a new file to post
    posted_file = File.new("TestFile", "w+")
    posted_file.write("This is a test")
    posted_file.flush
    params={'blob_data' => Rack::Test::UploadedFile.new(posted_file.path, "text/plain")}
    begin
      VCR.use_cassette("example1") do
        Excon.post("http://www.example.com", :body=>params['blob_data'])
      end
    rescue => e
      puts e.inspect
      puts e.backtrace
    ensure
      File.delete(posted_file.path)
    end
  end

end

VCRExampleTest.runtest