Source code for b3j0f.utils.ut

# -*- coding: utf-8 -*-

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# The MIT License (MIT)
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# Copyright (c) 2014 Jonathan Labéjof <jonathan.labejof@gmail.com>
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"""Unit tests tools."""

from unittest import TestCase

from six import string_types, PY2

from .version import PY26

from re import match

__all__ = ['UTCase']


def _subset(subset, superset):
    """True if subset is a subset of superset.

    :param dict subset: subset to compare.
    :param dict superset: superset to compare.
    :return: True iif all pairs (key, value) of subset are in superset.
    :rtype: bool
    """

    result = True
    for k in subset:
        result = k in superset and subset[k] == superset[k]
        if not result:
            break
    return result


[docs]class UTCase(TestCase): """Class which enrichs TestCase with python version compatibilities.""" def __init__(self, *args, **kwargs): super(UTCase, self).__init__(*args, **kwargs) if PY2: # python 3 compatibility if PY26: # python 2.7 compatibility def assertIs(self, first, second, msg=None): return self.assertTrue(first is second, msg=msg) def assertIsNot(self, first, second, msg=None): return self.assertTrue(first is not second, msg=msg) def assertIn(self, first, second, msg=None): return self.assertTrue(first in second, msg=msg) def assertNotIn(self, first, second, msg=None): return self.assertTrue(first not in second, msg=msg) def assertIsNone(self, expr, msg=None): return self.assertTrue(expr is None, msg=msg) def assertIsNotNone(self, expr, msg=None): return self.assertFalse(expr is None, msg=msg) def assertIsInstance(self, obj, cls, msg=None): return self.assertTrue(isinstance(obj, cls), msg=msg) def assertNotIsInstance(self, obj, cls, msg=None): return self.assertTrue(not isinstance(obj, cls), msg=msg) def assertGreater(self, first, second, msg=None): return self.assertTrue(first > second, msg=msg) def assertGreaterEqual(self, first, second, msg=None): return self.assertTrue(first >= second, msg=msg) def assertLess(self, first, second, msg=None): self.assertTrue(first < second, msg=msg) def assertLessEqual(self, first, second, msg=None): return self.assertTrue(first <= second, msg=msg) def assertRegexpMatches(self, text, regexp, msg=None): return self.assertTrue( match(regexp, text) if isinstance(regexp, string_types) else regexp.search(text), msg=msg ) def assertNotRegexpMatches(self, text, regexp, msg=None): return self.assertIsNone( match(regexp, text) if isinstance(regexp, string_types) else regexp.search(text), msg=msg ) def assertItemsEqual(self, actual, expected, msg=None): return self.assertEqual( sorted(actual), sorted(expected), msg=msg ) def assertDictContainsSubset(self, expected, actual, msg=None): return self.assertTrue(_subset(expected, actual), msg=msg) def assertCountEqual(self, first, second, msg=None): return self.assertEqual(len(first), len(second), msg=msg)
[docs] def assertRegex(self, text, regexp, msg=None): return self.assertRegexpMatches(text, regexp, msg)
[docs] def assertNotRegex(self, text, regexp, msg=None): return self.assertNotRegexpMatches(text, regexp, msg)
else: # python 2 compatibility def assertRegexpMatches(self, *args, **kwargs): return self.assertRegex(*args, **kwargs) def assertNotRegexpMatches(self, *args, **kwargs): return self.assertNotRegex(*args, **kwargs) def assertItemsEqual(self, actual, expected, msg=None): return self.assertEqual(sorted(actual), sorted(expected), msg=msg) def assertCountEqual(self, actual, expected, msg=None): return self.assertEqual(sorted(actual), sorted(expected), msg=msg) def assertDictContainsSubset(self, expected, actual, msg=None): return self.assertTrue(_subset(expected, actual), msg=msg)