require "cases/helper" class TestRecord < ActiveRecord::Base end class TestUnconnectedAdapter < ActiveRecord::TestCase self.use_transactional_fixtures = false def setup @underlying = ActiveRecord::Base.connection @specification = ActiveRecord::Base.remove_connection end teardown do @underlying = nil ActiveRecord::Base.establish_connection(@specification) load_schema if in_memory_db? end def test_connection_no_longer_established assert_raise(ActiveRecord::ConnectionNotEstablished) do TestRecord.find(1) end assert_raise(ActiveRecord::ConnectionNotEstablished) do TestRecord.new.save end end def test_underlying_adapter_no_longer_active assert !@underlying.active?, "Removed adapter should no longer be active" end end