How to post JSON data in rails 3 functional test

Question

I plan to use JSON data in both request and response in my project and having some problems in testing.

After searching for a while, I find the following code which uses

Answer 1

Here is a snippet that let me post json data to test my own app. rails 3

port = Rails.env.production? ? 80 : 3000
uri = URI.parse( Rails.application.routes.url_helpers.books_url(:host => request.host, :port => port, :format => :json) )
http = Net::HTTP.new(uri.host, uri.port)
request = Net::HTTP::Post.new(uri.request_uri)
request.content_type = 'application/json'
request.body = @json_data
response = http.request( request )
@result = response.body

Hope this helps others