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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
"""Functional full-module tests for PyLint."""
from __future__ import annotations
import sys
from pathlib import Path
import pytest
from _pytest.config import Config
from pylint import testutils
from pylint.testutils import UPDATE_FILE, UPDATE_OPTION
from pylint.testutils.functional import (
FunctionalTestFile,
LintModuleOutputUpdate,
get_functional_test_files_from_directory,
)
from pylint.utils import HAS_ISORT_5
FUNCTIONAL_DIR = Path(__file__).parent.resolve() / "functional"
# isort 5 has slightly different rules as isort 4. Testing both would be hard: test with isort 5 only.
TESTS = [
t
for t in get_functional_test_files_from_directory(FUNCTIONAL_DIR)
if not (t.base == "wrong_import_order" and not HAS_ISORT_5)
]
TESTS_NAMES = [t.base for t in TESTS]
TEST_WITH_EXPECTED_DEPRECATION = [
"anomalous_backslash_escape",
"anomalous_unicode_escape",
"excess_escapes",
"future_unicode_literals",
]
@pytest.mark.parametrize("test_file", TESTS, ids=TESTS_NAMES)
def test_functional(test_file: FunctionalTestFile, pytestconfig: Config) -> None:
__tracebackhide__ = True # pylint: disable=unused-variable
lint_test: LintModuleOutputUpdate | testutils.LintModuleTest
if UPDATE_FILE.exists():
lint_test = LintModuleOutputUpdate(test_file, pytestconfig)
else:
lint_test = testutils.LintModuleTest(test_file, pytestconfig)
lint_test.setUp()
if test_file.base in TEST_WITH_EXPECTED_DEPRECATION:
with pytest.warns(DeprecationWarning, match="invalid escape sequence"):
lint_test.runTest()
else:
lint_test.runTest()
if __name__ == "__main__":
if UPDATE_OPTION in sys.argv:
UPDATE_FILE.touch()
sys.argv.remove(UPDATE_OPTION)
try:
pytest.main(sys.argv)
finally:
if UPDATE_FILE.exists():
UPDATE_FILE.unlink()
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