def test_result_list_contains_results_of_supplied_parser(runner):
test_string = 'ab'
parsing_result = runner(until(main_parser, delimiter), test_string)
assert parsing_result.value == ('a', )
def test_until_returns_tuple(runner, n):
test_string = 'a' * n + 'b'
parsing_result = runner(until(main_parser, delimiter), test_string)
assert isinstance(parsing_result.value, tuple)
def test_until_returns_n_elements_when_n_elements_are_found(runner, n):
test_string = 'a' * n + 'b'
parsing_result = runner(until(main_parser, delimiter), test_string)
assert len(parsing_result.value) == n
def test_until_consumes_the_delimiter(runner):
parsing_result = runner(until(main_parser, delimiter), 'b')
assert not parsing_result.remaining_input
def test_until_returns_empty_tuple_when_only_delimiter_is_found(runner):
assert runner(until(main_parser, delimiter), 'b').value == tuple()
def test_until_failes_if_parser_fails_and_delimiter_parser_fails(runner):
with pytest.raises(ParsingFailed):
runner(until(main_parser, delimiter), 'not_matching_string')