Generate HTML page using rails without a webserver

Question

is possible to generate an HTML page using Ruby on Rails framework without using a webserver? I want do something like this:

html = RailsHTMLGenerator.generate('path/to/rails/root', '/posts/540')
puts html

The first parameter is the Rails.root, the second is the HTTP path, and the function return the HTML of that page as string.

Someone can tell me how to do this? Ty.

Answer 1

I've found a solution:

require '/path/to/application.rb'
app = APPName::Application.initialize!
session = ActionDispatch::Integration::Session.new(app)
session.get '/'
puts session.body