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- # -*- coding: utf-8 -*-
- # Copyright (c) 2016 Alexander Todorov <atodorov@otb.bg>
- # Copyright (c) 2016 Łukasz Rogalski <rogalski.91@gmail.com>
- # Copyright (c) 2017 Claudiu Popa <pcmanticore@gmail.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
-
- """Tests for the pylint checker in :mod:`pylint.extensions.emptystring
- """
-
- import os
- import os.path as osp
- import unittest
-
- from pylint import checkers
- from pylint.extensions.comparetozero import CompareToZeroChecker
- from pylint.lint import PyLinter
- from pylint.reporters import BaseReporter
-
-
- class CompareToZeroTestReporter(BaseReporter):
-
- def handle_message(self, msg):
- self.messages.append(msg)
-
- def on_set_current_module(self, module, filepath):
- self.messages = []
-
-
- class CompareToZeroUsedTC(unittest.TestCase):
-
- @classmethod
- def setUpClass(cls):
- cls._linter = PyLinter()
- cls._linter.set_reporter(CompareToZeroTestReporter())
- checkers.initialize(cls._linter)
- cls._linter.register_checker(CompareToZeroChecker(cls._linter))
- cls._linter.disable('I')
-
- def test_comparetozero_message(self):
- elif_test = osp.join(osp.dirname(osp.abspath(__file__)), 'data',
- 'compare_to_zero.py')
- self._linter.check([elif_test])
- msgs = self._linter.reporter.messages
- self.assertEqual(len(msgs), 6)
- for msg in msgs:
- self.assertEqual(msg.symbol, 'compare-to-zero')
- self.assertEqual(msg.msg, 'Avoid comparisons to zero')
- self.assertEqual(msgs[0].line, 6)
- self.assertEqual(msgs[1].line, 9)
- self.assertEqual(msgs[2].line, 12)
- self.assertEqual(msgs[3].line, 15)
- self.assertEqual(msgs[4].line, 18)
- self.assertEqual(msgs[5].line, 24)
-
-
- if __name__ == '__main__':
- unittest.main()
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