Class: ActiveRecord::FixtureSet

Inherits:
Object
  • Object
show all
Extended by:
Turntable::Util
Defined in:
lib/active_record/turntable/active_record_ext/fixtures.rb

Class Method Summary collapse

Methods included from Turntable::Util

ar51?, ar51_or_later?, ar52_or_later?, ar_version, ar_version_earlier_than?, ar_version_equals_or_later?, ar_version_satisfy?, earlier_than_ar51?

Class Method Details

.create_fixtures(fixtures_directory, fixture_set_names, class_names = {}, config = ActiveRecord::Base) ⇒ Object 



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# File 'lib/active_record/turntable/active_record_ext/fixtures.rb', line 13

def self.create_fixtures(fixtures_directory, fixture_set_names, class_names = {}, config = ActiveRecord::Base)
  fixture_set_names = Array(fixture_set_names).map(&:to_s)
  class_names = ClassCache.new class_names, config

  # FIXME: Apparently JK uses this.
  connection = block_given? ? yield : ActiveRecord::Base.connection

  files_to_read = fixture_set_names.reject { |fs_name|
    fixture_is_cached?(connection, fs_name)
  }

  unless files_to_read.empty?
    connection.disable_referential_integrity do
      fixtures_map = {}

      fixture_sets = files_to_read.map do |fs_name|
        klass = class_names[fs_name]
        conn = klass ? klass.connection : connection
        fixtures_map[fs_name] = new( # ActiveRecord::FixtureSet.new
          conn,
          fs_name,
          klass,
          ::File.join(fixtures_directory, fs_name))
      end

      update_all_loaded_fixtures fixtures_map

      ActiveRecord::Base.force_transaction_all_shards!(requires_new: true) do
        deleted_tables = Hash.new { |h, k| h[k] = Set.new }
        fixture_sets.each do |fs|
          conn = fs.model_class.respond_to?(:connection) ? fs.model_class.connection : connection
          table_rows = fs.table_rows

          table_rows.each_key do |table|
            unless deleted_tables[conn].include? table
              conn.delete "DELETE FROM #{conn.quote_table_name(table)}", "Fixture Delete"
            end
            deleted_tables[conn] << table
          end

          table_rows.each do |fixture_set_name, rows|
            rows.each do |row|
              conn.insert_fixture(row, fixture_set_name)
            end
          end

          # Cap primary key sequences to max(pk).
          if connection.respond_to?(:reset_pk_sequence!)
            connection.reset_pk_sequence!(fs.table_name)
          end
        end
      end

      cache_fixtures(connection, fixtures_map)
    end
  end
  cached_fixtures(connection, fixture_set_names)
end