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# Licensed under the GPL: https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
# For details: https://github.com/PyCQA/pylint/blob/main/LICENSE
# Copyright (c) https://github.com/PyCQA/pylint/blob/main/CONTRIBUTORS.txt
"""Unit tests for the config module."""
from __future__ import annotations
import re
import pytest
from pylint import config
from pylint.checkers import BaseChecker
from pylint.testutils import CheckerTestCase, set_config
from pylint.typing import MessageDefinitionTuple
def test__regexp_validator_valid() -> None:
result = config.option._regexp_validator(None, "", "test_.*")
assert isinstance(result, re.Pattern)
assert result.pattern == "test_.*"
def test__regexp_validator_invalid() -> None:
with pytest.raises(re.error):
config.option._regexp_validator(None, "", "test_)")
def test__csv_validator_no_spaces() -> None:
values = ["One", "Two", "Three"]
result = config.option._csv_validator(None, "", ",".join(values))
assert isinstance(result, list)
assert len(result) == 3
for i, value in enumerate(values):
assert result[i] == value
def test__csv_validator_spaces() -> None:
values = ["One", "Two", "Three"]
result = config.option._csv_validator(None, "", ", ".join(values))
assert isinstance(result, list)
assert len(result) == 3
for i, value in enumerate(values):
assert result[i] == value
def test__regexp_csv_validator_valid() -> None:
pattern_strings = ["test_.*", "foo\\.bar", "^baz$"]
result = config.option._regexp_csv_validator(None, "", ",".join(pattern_strings))
for i, regex in enumerate(result):
assert isinstance(regex, re.Pattern)
assert regex.pattern == pattern_strings[i]
def test__regexp_csv_validator_invalid() -> None:
pattern_strings = ["test_.*", "foo\\.bar", "^baz)$"]
with pytest.raises(re.error):
config.option._regexp_csv_validator(None, "", ",".join(pattern_strings))
class TestPyLinterOptionSetters(CheckerTestCase):
"""Class to check the set_config decorator for options declared in PyLinter."""
class Checker(BaseChecker):
name = "checker"
msgs: dict[str, MessageDefinitionTuple] = {}
options = (("test-opt", {"action": "store_true", "help": "help message"}),)
CHECKER_CLASS: type = Checker
@set_config(ignore_paths=".*/tests/.*,.*\\ignore\\.*")
def test_ignore_paths_with_value(self) -> None:
"""Test ignore-paths option with value."""
options = self.linter.config.ignore_paths
assert any(i.match("dir/tests/file.py") for i in options)
assert any(i.match("dir\\tests\\file.py") for i in options)
assert any(i.match("dir/ignore/file.py") for i in options)
assert any(i.match("dir\\ignore\\file.py") for i in options)
def test_ignore_paths_with_no_value(self) -> None:
"""Test ignore-paths option with no value.
Compare against actual list to see if validator works.
"""
options = self.linter.config.ignore_paths
assert options == []
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