Minitest and Database Cleaner

minitest_and_database_cleaner.md

Minitest and Database Cleaner

test_helper.rb

require 'database_cleaner'
require 'database_cleaner_support'

DatabaseCleaner.clean_with :truncation
DatabaseCleaner.strategy = :transaction

class ActionDispatch::IntegrationTest
  # ...

  include DatabaseCleanerSupport
  
  # ...
end

class ActiveSupport::TestCase
  # ...

  include DatabaseCleanerSupport

  # ...
end

database_cleaner_support.rb

# frozen_string_literal: true

module DatabaseCleanerSupport
  def before_setup
    super
    DatabaseCleaner.start
  end

  def after_teardown
    DatabaseCleaner.clean
    super
  end
end