Module: ActiveRecord::TestFixtures

### Home Classes Methods

### In Files

- lib/active_record/fixtures.rb

### Namespace

- MODULE ActiveRecord::TestFixtures::ClassMethods

### Methods

- #enlist_fixture_connections
- #run_in_transaction?
- #setup_fixtures
- #teardown_fixtures

### Files

- README.rdoc

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No matching classes.

# ActiveRecord::TestFixtures

### Public Instance Methods

enlist_fixture_connections() click to toggle source

    # File lib/active_record/fixtures.rb, line 889
    def enlist_fixture_connections
      ActiveRecord::Base.connection_handler.connection_pools.values.map(&:connection)
    end

run_in_transaction?() click to toggle source

    # File lib/active_record/fixtures.rb, line 828
    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 833
    def setup_fixtures
      return unless !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.increment_open_transactions
          connection.transaction_joinable = false
          connection.begin_db_transaction
        end
      # Load fixtures for every test.
      else
        ActiveRecord::Fixtures.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 869
    def teardown_fixtures
      return unless defined?(ActiveRecord) && !ActiveRecord::Base.configurations.blank?

      unless run_in_transaction?
        ActiveRecord::Fixtures.reset_cache
      end

      # Rollback changes if a transaction is active.
      if run_in_transaction?
        @fixture_connections.each do |connection|
          if connection.open_transactions != 0
            connection.rollback_db_transaction
            connection.decrement_open_transactions
          end
        end
        @fixture_connections.clear
      end
      ActiveRecord::Base.clear_active_connections!
    end

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