Module: ActiveRecord::TestFixtures
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Namespace Children | |
Modules:
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Super Chains via Extension / Inclusion / Inheritance | |
Class Chain:
self,
::ActiveSupport::Concern
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Defined in: | activerecord/lib/active_record/test_fixtures.rb |
Class Method Summary
::ActiveSupport::Concern
- Extended
class_methods | Define class methods from given block. |
included | Evaluate given block in context of base class, so that you can write class macros here. |
prepended | Evaluate given block in context of base class, so that you can write class macros here. |
Instance Attribute Summary
- #run_in_transaction? ⇒ Boolean readonly
Instance Method Summary
Dynamic Method Handling
This class handles dynamic methods through the method_missing method
#method_missing(name, *args, **kwargs, &block) (private)
[ GitHub ]# File 'activerecord/lib/active_record/test_fixtures.rb', line 275
def method_missing(name, *args, **kwargs, &block) if fs_name = fixture_sets[name.to_s] access_fixture(fs_name, *args, **kwargs, &block) else super end end
DSL Calls
included
[ GitHub ]20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41
# File 'activerecord/lib/active_record/test_fixtures.rb', line 20
included do ## # :singleton-method: fixture_paths # # Returns the ActiveRecord::FixtureSet collection ## # :singleton-method: fixture_paths= # # :call-seq: # fixture_paths=(fixture_paths) class_attribute :fixture_paths, instance_writer: false, default: [] class_attribute :fixture_table_names, default: [] class_attribute :fixture_class_names, default: {} class_attribute :use_transactional_tests, default: true class_attribute :use_instantiated_fixtures, default: false # true, false, or :no_instances class_attribute :pre_loaded_fixtures, default: false class_attribute :lock_threads, default: true class_attribute :fixture_sets, default: {} ActiveSupport.run_load_hooks(:active_record_fixtures, self) end
Instance Attribute Details
#run_in_transaction? ⇒ Boolean
(readonly)
[ GitHub ]
# File 'activerecord/lib/active_record/test_fixtures.rb', line 122
def run_in_transaction? use_transactional_tests && !self.class.uses_transaction?(name) end
Instance Method Details
#enlist_fixture_connections
[ GitHub ]# File 'activerecord/lib/active_record/test_fixtures.rb', line 206
def enlist_fixture_connections setup_shared_connection_pool ActiveRecord::Base.connection_handler.connection_pool_list(:writing).map(&:connection) end
#setup_fixtures(config = ActiveRecord::Base)
[ GitHub ]# File 'activerecord/lib/active_record/test_fixtures.rb', line 127
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 @saved_pool_configs = Hash.new { |hash, key| hash[key] = {} } # 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 # 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| connection_name = payload[:connection_name] if payload.key?(:connection_name) shard = payload[:shard] if payload.key?(:shard) if connection_name begin connection = ActiveRecord::Base.connection_handler.retrieve_connection(connection_name, shard: shard) rescue ConnectionNotEstablished connection = nil end if connection setup_shared_connection_pool if !@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 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
[ GitHub ]# File 'activerecord/lib/active_record/test_fixtures.rb', line 189
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.connection_handler.clear_active_connections!(:all) end