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Instance Public methods
after_teardown()
# File activerecord/lib/active_record/fixtures.rb, line 828
def after_teardown
  super
  teardown_fixtures
end
before_setup()
# File activerecord/lib/active_record/fixtures.rb, line 823
def before_setup
  setup_fixtures
  super
end
enlist_fixture_connections()
# File activerecord/lib/active_record/fixtures.rb, line 971
def enlist_fixture_connections
  ActiveRecord::Base.connection_handler.connection_pool_list.map(&:connection)
end
run_in_transaction?()
# File activerecord/lib/active_record/fixtures.rb, line 920
def run_in_transaction?
  use_transactional_fixtures &&
    !self.class.uses_transaction?(method_name)
end
setup_fixtures(config = ActiveRecord::Base)
# File activerecord/lib/active_record/fixtures.rb, line 925
def setup_fixtures(config = ActiveRecord::Base)
  if pre_loaded_fixtures && !use_transactional_fixtures
    raise RuntimeError, 'pre_loaded_fixtures requires use_transactional_fixtures'
  end

  @fixture_cache = {}
  @fixture_connections = []
  @@already_loaded_fixtures ||= {}

  # Load fixtures once and begin transaction.
  if run_in_transaction?
    if @@already_loaded_fixtures[self.class]
      @loaded_fixtures = @@already_loaded_fixtures[self.class]
    else
      @loaded_fixtures = load_fixtures(config)
      @@already_loaded_fixtures[self.class] = @loaded_fixtures
    end
    @fixture_connections = enlist_fixture_connections
    @fixture_connections.each do |connection|
      connection.begin_transaction joinable: false
    end
  # Load fixtures for every test.
  else
    ActiveRecord::FixtureSet.reset_cache
    @@already_loaded_fixtures[self.class] = nil
    @loaded_fixtures = load_fixtures(config)
  end

  # Instantiate fixtures for every test if requested.
  instantiate_fixtures if use_instantiated_fixtures
end
teardown_fixtures()
# File activerecord/lib/active_record/fixtures.rb, line 957
def teardown_fixtures
  # Rollback changes if a transaction is active.
  if run_in_transaction?
    @fixture_connections.each do |connection|
      connection.rollback_transaction if connection.transaction_open?
    end
    @fixture_connections.clear
  else
    ActiveRecord::FixtureSet.reset_cache
  end

  ActiveRecord::Base.clear_active_connections!
end