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62 lines
2.0 KiB
Python
62 lines
2.0 KiB
Python
# Copyright (c) 2016 Moises Lopez - https://www.vauxoo.com/ <moylop260@vauxoo.com>
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# Copyright (c) 2016 Claudiu Popa <pcmanticore@gmail.com>
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# Licensed under the GPL: https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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# For details: https://github.com/PyCQA/pylint/blob/master/COPYING
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"""Tests for the pylint checker in :mod:`pylint.extensions.check_mccabe
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"""
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import os.path as osp
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import pytest
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from pylint import checkers
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from pylint.extensions.mccabe import register
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from pylint.lint import PyLinter
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from pylint.testutils import MinimalTestReporter
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EXPECTED_MSGS = [
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"'f1' is too complex. The McCabe rating is 1",
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"'f2' is too complex. The McCabe rating is 1",
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"'f3' is too complex. The McCabe rating is 3",
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"'f4' is too complex. The McCabe rating is 2",
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"'f5' is too complex. The McCabe rating is 2",
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"'f6' is too complex. The McCabe rating is 2",
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"'f7' is too complex. The McCabe rating is 3",
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"'f8' is too complex. The McCabe rating is 4",
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"'f9' is too complex. The McCabe rating is 9",
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"'method1' is too complex. The McCabe rating is 1",
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"This 'for' is too complex. The McCabe rating is 4",
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"'method3' is too complex. The McCabe rating is 2",
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"'f10' is too complex. The McCabe rating is 11",
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"'method2' is too complex. The McCabe rating is 18",
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]
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@pytest.fixture(scope="module")
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def linter():
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linter = PyLinter()
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linter.set_reporter(MinimalTestReporter())
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checkers.initialize(linter)
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register(linter)
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linter.disable('all')
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linter.enable('too-complex')
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return linter
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@pytest.fixture
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def fname_mccabe_example():
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return osp.join(osp.dirname(osp.abspath(__file__)), 'data', 'mccabe.py')
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@pytest.mark.parametrize("complexity, expected", [
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(0, EXPECTED_MSGS),
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(9, EXPECTED_MSGS[-2:]),
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])
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def test_max_mccabe_rate(linter, fname_mccabe_example, complexity, expected):
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linter.global_set_option('max-complexity', complexity)
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linter.check([fname_mccabe_example])
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real_msgs = [message.msg for message in linter.reporter.messages]
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assert sorted(expected) == sorted(real_msgs)
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