57 lines
1.7 KiB
Python
57 lines
1.7 KiB
Python
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# Copyright (c) 2016 Alexander Todorov <atodorov@MrSenko.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.emptystring
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"""
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import os
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import os.path as osp
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import unittest
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from pylint import checkers
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from pylint.extensions.comparetozero import CompareToZeroChecker
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from pylint.lint import PyLinter
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from pylint.reporters import BaseReporter
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class CompareToZeroTestReporter(BaseReporter):
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def handle_message(self, msg):
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self.messages.append(msg)
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def on_set_current_module(self, module, filepath):
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self.messages = []
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class CompareToZeroUsedTC(unittest.TestCase):
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@classmethod
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def setUpClass(cls):
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cls._linter = PyLinter()
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cls._linter.set_reporter(CompareToZeroTestReporter())
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checkers.initialize(cls._linter)
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cls._linter.register_checker(CompareToZeroChecker(cls._linter))
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cls._linter.disable('I')
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def test_comparetozero_message(self):
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elif_test = osp.join(osp.dirname(osp.abspath(__file__)), 'data',
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'compare_to_zero.py')
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self._linter.check([elif_test])
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msgs = self._linter.reporter.messages
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self.assertEqual(len(msgs), 6)
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for msg in msgs:
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self.assertEqual(msg.symbol, 'compare-to-zero')
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self.assertEqual(msg.msg, 'Avoid comparisons to zero')
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self.assertEqual(msgs[0].line, 6)
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self.assertEqual(msgs[1].line, 9)
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self.assertEqual(msgs[2].line, 12)
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self.assertEqual(msgs[3].line, 15)
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self.assertEqual(msgs[4].line, 18)
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self.assertEqual(msgs[5].line, 24)
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if __name__ == '__main__':
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unittest.main()
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