def test_save_comp_add_to_config(self):
        # Create and save a component
        ch = ConfigHolder(MACROS, MockVersionControl(), file_manager=MockConfigurationFileManager(), test_config=create_dummy_component())
        ch.save_configuration("TESTCOMPONENT", True)
        ch.clear_config()

        # Create and save a config that uses the component
        ch.set_config(create_dummy_config())
        comp = ch.load_configuration("TESTCOMPONENT", True)
        ch.add_component("TESTCOMPONENT", comp)

        ch.save_configuration("TESTCONFIG", False)
        ch.clear_config()
        conf = ch.load_configuration("TESTCONFIG", False)
        ch.set_config(conf)

        self.assertEqual(len(ch.get_component_names()), 1)
    def test_empty_component_save_and_load(self):
        ch = ConfigHolder(MACROS, MockVersionControl(), file_manager=MockConfigurationFileManager(), test_config=Configuration(MACROS))
        ch.save_configuration("TESTCOMPONENT", True)
        ch.clear_config()

        conf = ch.load_configuration("TESTCOMPONENT", True)
        ch.set_config(conf, True)

        self.assertEqual(ch.get_config_name(), "TESTCOMPONENT")
        self.assertEqual(len(ch.get_blocknames()), 0)
        self.assertEqual(len(ch.get_group_details()), 0)
        self.assertEqual(len(ch.get_ioc_names()), 0)
        self.assertEqual(len(ch.get_component_names()), 0)
    def test_default_component_is_loaded(self):
        # Arrange
        ch = ConfigHolder(MACROS, MockVersionControl(), file_manager=MockConfigurationFileManager(), test_config=Configuration(MACROS))
        ch.save_configuration("TESTCONFIG", False)
        ch.clear_config()

        # Act
        conf = ch.load_configuration("TESTCONFIG")
        ch.set_config(conf, False)

        # Assert
        comp_count = len(ch.get_component_names())
        comp_count_with_default = len(ch.get_component_names(True))
        self.assertTrue(comp_count_with_default > comp_count)