Using DatabaseCleaner with Mongo Driver and Minitest

database_cleaner_mongo_minitest_example.rb

# not obvious from the database_cleaner documentation
# this is snippets of relevant parts, it's not meant to run

require 'mongo'
require 'database_cleaner'
require 'database_cleaner/mongo/base'

include Mongo

@mongo_client = MongoClient.new

DatabaseCleaner[:mongo].strategy = :truncation
DatabaseCleaner[:mongo].db = @mongo_client.db("default")

module MiniTest
  class Spec
    def setup
      DatabaseCleaner.start
    end

    def teardown
      DatabaseCleaner.clean
    end
  end
end