1. Add rspec to the Gemfile;

    group :development, :test do
      gem 'rspec-rails'
    end
   

   

2. Install the dependencies

    bundle install
   

3. Check if it was installed correctly

    gem list rspec
   

   You should see something like this

   

4. Check version

   

5. Install rspec

    rails generate rspec:install
   

You should see something like this

1. Generate a rspec model

    rails generate rspec:model Product
   

   Product is a model. This is just an example.

   

2. Destroy a rspec model (Just in case you need it)

    rails destroy rspec:model Product
   

   

3. Run a specific test on a single file

    rspec spec/models/product_spec.rb:3
   

   In this example, the test starts in line 3.

   

   You should see something like this

4. Run the tests for a single file

    rspec spec/models/product_spec.rb
   

   You should see something like this

   

5. Run all tests

    rspec spec
   

   You should see something like this

   

6. Celebrate! It's working.

   

Conclusion

In this article, we learned how to setup Rspec on Rails.

Let me know if you need any additional help.