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# -*- coding: utf-8 |
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"""Common logic for unit tests.""" |
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import sys |
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old_errors = (IOError, OSError) |
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try: |
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NoFileIoError = NoFileOsError = FileNotFoundError |
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except NameError: |
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NoFileIoError, NoFileOsError = old_errors |
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try: |
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IsDirIoError = IsDirOsError = IsADirectoryError |
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except NameError: |
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IsDirIoError, IsDirOsError = old_errors |
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try: |
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NotDirIoError = NotDirOsError = NotADirectoryError |
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except NameError: |
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NotDirIoError, NotDirOsError = old_errors |
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def no_exception(code): |
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"""Helper function to run code and check it works.""" |
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exec(code) |
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def get_exception(code): |
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"""Helper function to run code and get what it throws.""" |
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try: |
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no_exception(code) |
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except: |
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return sys.exc_info() |
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return None |
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class CommonTestOldStyleClass: |
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"""Dummy class for testing purposes.""" |
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pass |
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class CommonTestOldStyleClass2: |
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"""Dummy class for testing purposes.""" |
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pass |
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class CommonTestNewStyleClass(object): |
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"""Dummy class for testing purposes.""" |
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pass |
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class CommonTestNewStyleClass2(object): |
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"""Dummy class for testing purposes.""" |
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pass |
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class TestWithStringFunction(object): |
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"""Unit test class with an helper method.""" |
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def assertIn(self, first, second): |
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"""Check that `first` argument is in `second`. |
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68
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Just like self.assertTrue(a in b), but with a nicer default message. |
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This is part of standard library but only from Python 2.7.""" |
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msg = '"%s" not found in "%s"' % (first, second) |
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self.assertTrue(first in second, msg) |
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def assertNotIn(self, first, second): |
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"""Check that `first` argument is NOT in `second`. |
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Just like self.assertFalse(a in b), but with a nicer default message. |
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This is part of standard library but only from Python 2.7.""" |
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msg = '"%s" unexpectedly found in "%s"' % (first, second) |
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self.assertFalse(first in second, msg) |
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def assertStringAdded(self, string, before, after, check_str_sum): |
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"""Check that `string` has been added to `before` to get `after`. |
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84
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If the `check_str_sum` argument is True, we check that adding `string` |
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somewhere in the `before` string gives the `after` string. If the |
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argument is false, we just check that `string` can be found in `after` |
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but not in `before`. |
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""" |
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if string: |
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self.assertNotEqual(before, after) |
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self.assertNotIn(string, before) |
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self.assertIn(string, after) |
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# Removing string and checking that we get the original string |
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begin, mid, end = after.partition(string) |
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self.assertEqual(mid, string) |
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if check_str_sum: |
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self.assertEqual(begin + end, before) |
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else: |
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self.assertEqual(before, after) |
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101
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if __name__ == '__main__': |
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print(sys.version_info) |
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SylvainDe /
DidYouMean-Python
