Example DatabaseCleaner config for fast tests

database_cleaner.rb

RSpec.configure do |config|
  config.before(:suite) do
    DatabaseCleaner.strategy = :transaction
    DatabaseCleaner.clean_with(:truncation)
  end

  config.before(:each) do
    DatabaseCleaner.start
  end

  config.around(:each, type: :feature, javascript: true) do |example|
    DatabaseCleaner.strategy = :truncation
    example.run
    DatabaseCleaner.strategy = :transaction
  end

  config.after(:each) do
    DatabaseCleaner.clean
  end
end