| # Copyright (c) 2016 Łukasz Rogalski <[email protected]> |
| # Copyright (c) 2016 Alexander Todorov <[email protected]> |
| # Copyright (c) 2017-2018, 2020 Claudiu Popa <[email protected]> |
| # Copyright (c) 2017 Derek Gustafson <[email protected]> |
| # Copyright (c) 2019-2021 Pierre Sassoulas <[email protected]> |
| # Copyright (c) 2019 Ashley Whetter <[email protected]> |
| # Copyright (c) 2020 hippo91 <[email protected]> |
| # Copyright (c) 2020 Damien Baty <[email protected]> |
| # Copyright (c) 2020 Anthony Sottile <[email protected]> |
| |
| # Licensed under the GPL: https://www.gnu.org/licenses/old-licenses/gpl-2.0.html |
| # For details: https://github.com/PyCQA/pylint/blob/master/COPYING |
| |
| """Tests for the pylint checker in :mod:`pylint.extensions.emptystring |
| """ |
| from os import path as osp |
| |
| import pytest |
| |
| from pylint.extensions.emptystring import CompareToEmptyStringChecker |
| |
| |
| @pytest.fixture(scope="module") |
| def checker(): |
| return CompareToEmptyStringChecker |
| |
| |
| @pytest.fixture(scope="module") |
| def disable(): |
| return ["I"] |
| |
| |
| def test_emptystring_message(linter): |
| elif_test = osp.join( |
| osp.dirname(osp.abspath(__file__)), "data", "empty_string_comparison.py" |
| ) |
| linter.check([elif_test]) |
| msgs = linter.reporter.messages |
| expected_lineno = [6, 9, 12, 15] |
| assert len(msgs) == len(expected_lineno) |
| for msg, lineno in zip(msgs, expected_lineno): |
| assert msg.symbol == "compare-to-empty-string" |
| assert msg.msg == "Avoid comparisons to empty string" |
| assert msg.line == lineno |
