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# -*- coding: utf-8 -*-
# Copyright (c) 2014-2018, 2020 Claudiu Popa <pcmanticore@gmail.com>
# Copyright (c) 2014 Google, Inc.
# Copyright (c) 2014 Michal Nowikowski <godfryd@gmail.com>
# Copyright (c) 2014 LOGILAB S.A. (Paris, FRANCE) <contact@logilab.fr>
# Copyright (c) 2015 Ionel Cristian Maries <contact@ionelmc.ro>
# Copyright (c) 2016 Łukasz Rogalski <rogalski.91@gmail.com>
# Copyright (c) 2016 Derek Gustafson <degustaf@gmail.com>
# Copyright (c) 2018 Lucas Cimon <lucas.cimon@gmail.com>
# Copyright (c) 2018 Ville Skyttä <ville.skytta@iki.fi>
# Copyright (c) 2019-2020 Pierre Sassoulas <pierre.sassoulas@gmail.com>
# Copyright (c) 2019 Mr. Senko <atodorov@mrsenko.com>
# Copyright (c) 2019 Hugo van Kemenade <hugovk@users.noreply.github.com>
# Copyright (c) 2019 Ashley Whetter <ashley@awhetter.co.uk>
# Copyright (c) 2020 Anthony Sottile <asottile@umich.edu>
# Copyright (c) 2020 bernie gray <bfgray3@users.noreply.github.com>
# 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
"""Functional full-module tests for PyLint."""
import csv
import io
import os
import sys
import pytest
from pylint import testutils
from pylint.utils import HAS_ISORT_5
class test_dialect(csv.excel):
delimiter = ":"
lineterminator = "\n"
csv.register_dialect("test", test_dialect)
# Notes:
# - for the purpose of this test, the confidence levels HIGH and UNDEFINED
# are treated as the same.
# TODOs
# - implement exhaustivity tests
# If message files should be updated instead of checked.
UPDATE = False
class LintModuleOutputUpdate(testutils.LintModuleTest):
def _open_expected_file(self):
try:
return super()._open_expected_file()
except OSError:
return io.StringIO()
def _check_output_text(self, expected_messages, expected_lines, received_lines):
if not expected_messages:
return
emitted, remaining = self._split_lines(expected_messages, expected_lines)
if emitted != received_lines:
remaining.extend(received_lines)
remaining.sort(key=lambda m: (m[1], m[0], m[3]))
with open(self._test_file.expected_output, "w") as fobj:
writer = csv.writer(fobj, dialect="test")
for line in remaining:
writer.writerow(line.to_csv())
def get_tests():
input_dir = os.path.join(os.path.dirname(os.path.abspath(__file__)), "functional")
suite = []
for dirpath, _, filenames in os.walk(input_dir):
if dirpath.endswith("__pycache__"):
continue
for filename in filenames:
if filename != "__init__.py" and filename.endswith(".py"):
# isort 5 has slightly different rules as isort 4. Testing
# both would be hard: test with isort 5 only.
if filename == "wrong_import_order.py" and not HAS_ISORT_5:
continue
suite.append(testutils.FunctionalTestFile(dirpath, filename))
return suite
TESTS = get_tests()
TESTS_NAMES = [t.base for t in TESTS]
@pytest.mark.parametrize("test_file", TESTS, ids=TESTS_NAMES)
def test_functional(test_file):
LintTest = (
LintModuleOutputUpdate(test_file)
if UPDATE
else testutils.LintModuleTest(test_file)
)
LintTest.setUp()
LintTest._runTest()
if __name__ == "__main__":
if "-u" in sys.argv:
UPDATE = True
sys.argv.remove("-u")
pytest.main(sys.argv)
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