module ActiveRecord::TestFixtures
Public Instance Methods
enlist_fixture_connections()
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# File lib/active_record/test_fixtures.rb, line 179 def enlist_fixture_connections setup_shared_connection_pool ActiveRecord::Base.connection_handler.connection_pool_list.map(&:connection) end
run_in_transaction?()
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# File lib/active_record/test_fixtures.rb, line 98 def run_in_transaction? use_transactional_tests && !self.class.uses_transaction?(method_name) end
setup_fixtures(config = ActiveRecord::Base)
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# File lib/active_record/test_fixtures.rb, line 103 def setup_fixtures(config = ActiveRecord::Base) if pre_loaded_fixtures && !use_transactional_tests raise RuntimeError, "pre_loaded_fixtures requires use_transactional_tests" end @fixture_cache = {} @fixture_connections = [] @@already_loaded_fixtures ||= {} @connection_subscriber = nil # Load fixtures once and begin transaction. if run_in_transaction? @saved_pool_configs = Hash.new { |hash, key| hash[key] = {} } 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 # Begin transactions for connections already established @fixture_connections = enlist_fixture_connections @fixture_connections.each do |connection| connection.begin_transaction joinable: false, _lazy: false connection.pool.lock_thread = true if lock_threads end # When connections are established in the future, begin a transaction too @connection_subscriber = ActiveSupport::Notifications.subscribe("!connection.active_record") do |_, _, _, _, payload| spec_name = payload[:spec_name] if payload.key?(:spec_name) setup_shared_connection_pool if spec_name begin connection = ActiveRecord::Base.connection_handler.retrieve_connection(spec_name) rescue ConnectionNotEstablished connection = nil end if connection && !@fixture_connections.include?(connection) connection.begin_transaction joinable: false, _lazy: false connection.pool.lock_thread = true if lock_threads @fixture_connections << connection end end 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()
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# File lib/active_record/test_fixtures.rb, line 162 def teardown_fixtures # Rollback changes if a transaction is active. if run_in_transaction? ActiveSupport::Notifications.unsubscribe(@connection_subscriber) if @connection_subscriber @fixture_connections.each do |connection| connection.rollback_transaction if connection.transaction_open? connection.pool.lock_thread = false end @fixture_connections.clear teardown_shared_connection_pool else ActiveRecord::FixtureSet.reset_cache end ActiveRecord::Base.clear_active_connections! end
Private Instance Methods
instantiate_fixtures()
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# File lib/active_record/test_fixtures.rb, line 227 def instantiate_fixtures if pre_loaded_fixtures raise RuntimeError, "Load fixtures before instantiating them." if ActiveRecord::FixtureSet.all_loaded_fixtures.empty? 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(config)
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# File lib/active_record/test_fixtures.rb, line 222 def load_fixtures(config) fixtures = ActiveRecord::FixtureSet.create_fixtures(fixture_path, fixture_table_names, fixture_class_names, config) Hash[fixtures.map { |f| [f.name, f] }] end
load_instances?()
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# File lib/active_record/test_fixtures.rb, line 239 def load_instances? use_instantiated_fixtures != :no_instances end