def get_command_and_args(self, words):
words_tuple = tuple(words)
for command in self._commands:
nb_words = command.nb_words
if command.words == words_tuple[:nb_words]:
return command, words[nb_words:]
raise NoMatchingCommandError(words)
def test_parse_one_letter_line_with_whitespaces(self):
raw_command_line = ' h \n'
self.command_registry.get_command_and_args.side_effect = NoMatchingCommandError()
command_line = self.parser.parse(raw_command_line)
self.command_registry.get_command_and_args.assert_called_once_with(['h'])
assert_that(command_line.words, equal_to(['h']))
assert_that(command_line.command, none())
assert_that(command_line.command_args, none())
def test_parse_empty_line(self):
raw_command_line = ''
self.command_registry.get_command_and_args.side_effect = NoMatchingCommandError()
command_line = self.parser.parse(raw_command_line)
self.command_registry.get_command_and_args.assert_called_once_with([])
assert_that(command_line.words, equal_to([]))
assert_that(command_line.command, none())
assert_that(command_line.command_args, none())
def get_command(self, words):
words_tuple = tuple(words)
command = self._get_command(words_tuple)
if command is None:
raise NoMatchingCommandError(words)
return command