Allow HTTP connections when no cassette

Usually, HTTP requests made when no cassette is inserted will result in an error. You can set the allow_http_connections_when_no_cassette configuration option to true to allow requests, if you do not want to use VCR for everything.

Background

Given a file named "vcr_setup.rb" with:

if ARGV.include?('--with-server')
  $server = start_sinatra_app do
    get('/') { "Hello" }
  end
end

require 'vcr'

VCR.configure do |c|
  c.allow_http_connections_when_no_cassette = true
  c.hook_into :webmock
  c.cassette_library_dir = 'cassettes'
  c.default_cassette_options = {
    :match_requests_on => [:method, :host, :path]
  }
end

And the directory "vcr/cassettes" does not exist.

Allow HTTP connections when no cassette

Given a file named "no_cassette.rb" with:

require 'vcr_setup.rb'

puts "Response: " + Net::HTTP.get_response('localhost', '/', $server ? $server.port : 0).body

When I run ruby no_cassette.rb --with-server

Then the output should contain "Response: Hello".

Cassettes record and replay as normal

Given a file named "record_replay_cassette.rb" with:

require 'vcr_setup.rb'

VCR.use_cassette('localhost') do
  puts "Response: " + Net::HTTP.get_response('localhost', '/', $server ? $server.port : 0).body
end

When I run ruby record_replay_cassette.rb --with-server

Then the output should contain "Response: Hello"

And the file "cassettes/localhost.yml" should contain "Hello"

When I run ruby record_replay_cassette.rb

Then the output should contain "Response: Hello".