Artifice allows you to replace the Net::HTTP subsystem of Ruby
with an equivalent that routes all requests to a Rack application.
You can use Sinatra, raw Rack, or even Rails as your application,
allowing you to build up an equivalent to the remote service you
are mocking out using familiar and convenient tools to route
requests and build up responses.
First, require artifice.
Next, activate artifice using a Rack endpoint.
You can also pass a block to
Artifice.activate_with(rack_endpoint) do # make some requests using Net::HTTP end
This will replace Net::HTTP for the duration of the block only.
You can deactivate Artifice by calling