Multi-Database DatabaseCleaner setup

DB_cleaner.rb

RSpec.configure do |config|
  config.before :suite do
    # set up a global cleaning strategy
    DatabaseCleaner.clean_with(:truncation)

    # AR specific strategy
    DatabaseCleaner[:active_record].strategy = :truncation
    # Explicitly tell DatabaseCleaner what connection is AR
    DatabaseCleaner[:active_record, connection: :pediafed_test]

    # Mongoid specific strategy
    DatabaseCleaner[:mongoid].strategy = :truncation
    # Explicitly tell DatabaseCleaner what connection is MongoDB
    DatabaseCleaner[:mongoid, connection: :pediafed_test]
  end

  config.before :each do
    DatabaseCleaner.start
  end

  config.after :each do
    DatabaseCleaner.clean
  end
end

Very helpful, thanks for sharing!