How do I set up testing in a Rails application?

How do I set up testing in a Rails application?

To set up testing in a Rails application, you can use the built-in testing framework, Minitest, or RSpec. Which one would you prefer?

I prefer RSpec. How do I install it?

You can add RSpec to your Gemfile by including gem 'rspec-rails'. After that, run bundle install to install the gem.

What are the basic commands to generate RSpec files?

You can generate RSpec files using the command rails generate rspec:install. This will create the necessary directories and configuration files.

Can you give me an example of a simple test?

Sure! Here's a simple test for a model: describe User do it 'validates presence of name' do user = User.new(name: nil) expect(user).not_to be_valid end end.