module ActiveRecord::TestFixtures

Public Instance Methods

after_teardown() click to toggle source
Calls superclass method
# File lib/active_record/fixtures.rb, line 716
def after_teardown
  super
  teardown_fixtures
end
before_setup() click to toggle source
Calls superclass method
# File lib/active_record/fixtures.rb, line 711
def before_setup
  setup_fixtures
  super
end
enlist_fixture_connections() click to toggle source
# File lib/active_record/fixtures.rb, line 893
def enlist_fixture_connections
  ActiveRecord::Base.connection_handler.connection_pool_list.map(&:connection)
end
run_in_transaction?() click to toggle source
# File lib/active_record/fixtures.rb, line 838
def run_in_transaction?
  use_transactional_fixtures &&
    !self.class.uses_transaction?(method_name)
end
setup_fixtures() click to toggle source
# File lib/active_record/fixtures.rb, line 843
def setup_fixtures
  return if ActiveRecord::Base.configurations.blank?

  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
      @@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
  end

  # Instantiate fixtures for every test if requested.
  instantiate_fixtures if use_instantiated_fixtures
end
teardown_fixtures() click to toggle source
# File lib/active_record/fixtures.rb, line 877
def teardown_fixtures
  return if ActiveRecord::Base.configurations.blank?

  # 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

Private Instance Methods

instantiate_fixtures() click to toggle source
# File lib/active_record/fixtures.rb, line 906
def instantiate_fixtures
  if pre_loaded_fixtures
    raise RuntimeError, 'Load fixtures before instantiating them.' if ActiveRecord::FixtureSet.all_loaded_fixtures.empty?
    unless @@required_fixture_classes
      self.class.require_fixture_classes ActiveRecord::FixtureSet.all_loaded_fixtures.keys
      @@required_fixture_classes = true
    end
    ActiveRecord::FixtureSet.instantiate_all_loaded_fixtures(self, load_instances?)
  else
    raise RuntimeError, 'Load fixtures before instantiating them.' if @loaded_fixtures.nil?
    @loaded_fixtures.each_value do |fixture_set|
      ActiveRecord::FixtureSet.instantiate_fixtures(self, fixture_set, load_instances?)
    end
  end
end
load_fixtures() click to toggle source
# File lib/active_record/fixtures.rb, line 898
def load_fixtures
  fixtures = ActiveRecord::FixtureSet.create_fixtures(fixture_path, fixture_table_names, fixture_class_names)
  Hash[fixtures.map { |f| [f.name, f] }]
end
load_instances?() click to toggle source
# File lib/active_record/fixtures.rb, line 922
def load_instances?
  use_instantiated_fixtures != :no_instances
end