def it_can_dispatch_diff_item_command_to_app(self, args_, app_controller_):
# fixture ----------------------
diff_item_command = DiffItemCommand(None)
# exercise ---------------------
diff_item_command.execute(args_, app_controller_)
# verify -----------------------
app_controller_.diff_item.assert_called_once_with(
args_.pkg_1_path, args_.pkg_2_path, args_.filename)
def it_should_trigger_parser_error_if_pkg_path_does_not_exist(
self, pkg_1_path, pkg_2_path, err_frag, args_, parser_):
# fixture ----------------------
args_.pkg_1_path = pkg_1_path
args_.pkg_2_path = pkg_2_path
diff_item_command = DiffItemCommand(parser_)
# exercise ---------------------
diff_item_command.validate(args_)
# verify -----------------------
parser_.error.assert_called_once_with(ANY)
assert err_frag in parser_.error.call_args[0][0]
def it_should_add_a_diff_item_command_parser(self, diff_item_argv_, parser,
subparsers):
# exercise ---------------------
subparser = DiffItemCommand.add_command_parser_to(subparsers)
args = parser.parse_args(diff_item_argv_)
# verify -----------------------
assert args.pkg_1_path == ARG_PKG_PATH
assert args.pkg_2_path == ARG_PKG_2_PATH
assert args.filename == ARG_FILENAME
assert isinstance(subparser, argparse.ArgumentParser)
