question

Solutions

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Setup

bundle install
rake db:create db:migrate db:seed 
rails server

Test

rspec

Documentation

rake db:seed will create 3 users with different roles:

• reader@mail.com with password 123123123 - can read everybodie's post. Cannot create or delete any.
• writer@mail.com with password 123123123 - can create/update/delete own posts. Cannot read/update/delete foreign.
• admin@mail.com with password 123123123 - can do everything.

See spec/controllers/posts_controller_spec.rb test for details