File activerecord/lib/active_record/fixtures.rb

• erb
• yaml
• zlib
• set
• active_support/dependencies
• active_support/core_ext/digest/uuid
• active_record/test_fixtures
• active_record/fixture_set/file
• active_record/fixture_set/render_context
• active_record/fixture_set/table_rows

• MODULE ActiveRecord
• MODULE Digest
• CLASS ActiveRecord::FixtureSet