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# Copyright (c) 2016-2018, 2020 Claudiu Popa <pcmanticore@gmail.com>
# Copyright (c) 2016-2017 Derek Gustafson <degustaf@gmail.com>
# Copyright (c) 2016 Moises Lopez <moylop260@vauxoo.com>
# Copyright (c) 2019-2021 Pierre Sassoulas <pierre.sassoulas@gmail.com>
# Copyright (c) 2019 Ashley Whetter <ashley@awhetter.co.uk>
# Copyright (c) 2020 hippo91 <guillaume.peillex@gmail.com>
# Copyright (c) 2020 Damien Baty <damien.baty@polyconseil.fr>
# Licensed under the GPL: https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
# For details: https://github.com/PyCQA/pylint/blob/master/LICENSE
"""Tests for the pylint checker in :mod:`pylint.extensions.check_mccabe"""
# pylint: disable=redefined-outer-name
from os import path as osp
import pytest
from pylint.extensions import mccabe
EXPECTED_MSGS = [
"'f1' is too complex. The McCabe rating is 1",
"'f2' is too complex. The McCabe rating is 1",
"'f3' is too complex. The McCabe rating is 3",
"'f4' is too complex. The McCabe rating is 2",
"'f5' is too complex. The McCabe rating is 2",
"'f6' is too complex. The McCabe rating is 2",
"'f7' is too complex. The McCabe rating is 3",
"'f8' is too complex. The McCabe rating is 4",
"'f9' is too complex. The McCabe rating is 9",
"'method1' is too complex. The McCabe rating is 1",
"This 'for' is too complex. The McCabe rating is 4",
"'method3' is too complex. The McCabe rating is 2",
"'f10' is too complex. The McCabe rating is 11",
"'method2' is too complex. The McCabe rating is 18",
]
@pytest.fixture(scope="module")
def enable():
return ["too-complex"]
@pytest.fixture(scope="module")
def disable():
return ["all"]
@pytest.fixture(scope="module")
def register():
return mccabe.register
@pytest.fixture
def fname_mccabe_example():
return osp.join(osp.dirname(osp.abspath(__file__)), "data", "mccabe.py")
@pytest.mark.parametrize(
"complexity, expected", [(0, EXPECTED_MSGS), (9, EXPECTED_MSGS[-2:])]
)
def test_max_mccabe_rate(linter, fname_mccabe_example, complexity, expected):
linter.global_set_option("max-complexity", complexity)
linter.check([fname_mccabe_example])
real_msgs = [message.msg for message in linter.reporter.messages]
assert sorted(expected) == sorted(real_msgs)
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