def it_can_dispatch_a_diff_command_to_the_app(self, args_,
app_controller_):
# fixture ----------------------
diff_command = DiffCommand(None)
# exercise ---------------------
diff_command.execute(args_, app_controller_)
# verify -----------------------
app_controller_.diff_pkg.assert_called_once_with(
args_.pkg_1_path, args_.pkg_2_path)
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_command = DiffCommand(parser_)
# exercise ---------------------
diff_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_command_parser(self, subparsers, parser,
diff_argv_):
# exercise ---------------------
subparser = DiffCommand.add_command_parser_to(subparsers)
args = parser.parse_args(diff_argv_)
# verify -----------------------
assert args.pkg_1_path == ARG_PKG_PATH
assert args.pkg_2_path == ARG_PKG_2_PATH
assert isinstance(subparser, argparse.ArgumentParser)