Setup RSpec on a fresh Rails 7 project

rails new projectname -d postgresql
cd projectname
git add -A
git commit -m "initial commit"

rails db:create
rails s

git checkout -b rspec

group :development, :test do
  # See https://guides.rubyonrails.org/debugging_rails_applications.html#debugging-with-the-debug-gem
  gem "debug", platforms: %i[ mri mingw x64_mingw ]
  gem "rspec-rails"
  gem "factory_bot_rails"
  gem "faker"
end

bundle install
rails g rspec:install

spec/support/factory_bot.rb
spec/support/chrome.rb

spec/factories.rb

# spec/support/factory_bot.rb

RSpec.configure do |config|
  config.include FactoryBot::Syntax::Methods
end

# spec/support/chrome.rb

RSpec.configure do |config|
  config.before(:each, type: :system) do
    if ENV["SHOW_BROWSER"] == "true"
      driven_by :selenium_chrome
    else
      driven_by :selenium, using: :headless_chrome, screen_size: [1400, 1400]
    end
  end
end

# spec/rails_helper.rb

require_relative 'support/factory_bot'
require_relative 'support/chrome'

# spec/factories.rb

FactoryBot.define do
  factory(:user) do
    email { Faker::Internet.email }
    password { Faker::Internet.password }
  end
end

-> rspec
No examples found.

Finished in 0.00038 seconds (files took 0.94577 seconds to load)
0 examples, 0 failures

git add -A
git commit -m "add rspec"
git checkout main
git merge rspec
git branch -D rspec
git push # assuming you have a repo online somewhere