cpython-lru_cache-weakref: Lib/test/test

annotate Lib/test/test_isinstance.py @ 28646:193b8aec00ce legacy-trunk

Changes from Jonathan Riehl to allow his pgen extension (PEP 269) to work. This includes some more code that used to be part of pgen in the main parser; I'm okay with that. I'll see if the Windows build needs work next.

author	Guido van Rossum <guido@python.org>
date	Thu, 17 Apr 2003 14:55:42 +0000
parents	19507a1d0254
children	1741af48fd9f

rev	line source
23262 7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	1 # Tests some corner cases with isinstance() and issubclass(). While these
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	2 # tests use new style classes and properties, they actually do whitebox
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	3 # testing of error conditions uncovered when using extension types.
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	4
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	5 import unittest
24364 aa0d2d51fbde Get rid of relative imports in all unittests. Now anything that Barry Warsaw <barry@python.org> parents: 23521 diff changeset	6 from test import test_support
23262 7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	7
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	8
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	9
23265 8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	10 class TestIsInstanceExceptions(unittest.TestCase):
23262 7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	11 # Test to make sure that an AttributeError when accessing the instance's
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	12 # class's bases is masked. This was actually a bug in Python 2.2 and
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	13 # 2.2.1 where the exception wasn't caught but it also wasn't being cleared
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	14 # (leading to an "undetected error" in the debug build). Set up is,
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	15 # isinstance(inst, cls) where:
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	16 #
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	17 # - inst isn't an InstanceType
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	18 # - cls isn't a ClassType, a TypeType, or a TupleType
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	19 # - cls has a __bases__ attribute
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	20 # - inst has a __class__ attribute
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	21 # - inst.__class__ as no __bases__ attribute
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	22 #
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	23 # Sounds complicated, I know, but this mimics a situation where an
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	24 # extension type raises an AttributeError when its __bases__ attribute is
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	25 # gotten. In that case, isinstance() should return False.
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	26 def test_class_has_no_bases(self):
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	27 class I(object):
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	28 def getclass(self):
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	29 # This must return an object that has no __bases__ attribute
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	30 return None
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	31 __class__ = property(getclass)
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	32
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	33 class C(object):
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	34 def getbases(self):
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	35 return ()
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	36 __bases__ = property(getbases)
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	37
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	38 self.assertEqual(False, isinstance(I(), C()))
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	39
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	40 # Like above except that inst.__class__.__bases__ raises an exception
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	41 # other than AttributeError
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	42 def test_bases_raises_other_than_attribute_error(self):
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	43 class E(object):
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	44 def getbases(self):
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	45 raise RuntimeError
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	46 __bases__ = property(getbases)
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	47
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	48 class I(object):
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	49 def getclass(self):
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	50 return E()
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	51 __class__ = property(getclass)
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	52
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	53 class C(object):
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	54 def getbases(self):
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	55 return ()
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	56 __bases__ = property(getbases)
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	57
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	58 self.assertRaises(RuntimeError, isinstance, I(), C())
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	59
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	60 # Here's a situation where getattr(cls, '__bases__') raises an exception.
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	61 # If that exception is not AttributeError, it should not get masked
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	62 def test_dont_mask_non_attribute_error(self):
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	63 class I: pass
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	64
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	65 class C(object):
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	66 def getbases(self):
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	67 raise RuntimeError
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	68 __bases__ = property(getbases)
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	69
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	70 self.assertRaises(RuntimeError, isinstance, I(), C())
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	71
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	72 # Like above, except that getattr(cls, '__bases__') raises an
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	73 # AttributeError, which /should/ get masked as a TypeError
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	74 def test_mask_attribute_error(self):
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	75 class I: pass
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	76
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	77 class C(object):
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	78 def getbases(self):
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	79 raise AttributeError
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	80 __bases__ = property(getbases)
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	81
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	82 self.assertRaises(TypeError, isinstance, I(), C())
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	83
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	84
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	85
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	86 # These tests are similar to above, but tickle certain code paths in
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	87 # issubclass() instead of isinstance() -- really PyObject_IsSubclass()
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	88 # vs. PyObject_IsInstance().
23265 8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	89 class TestIsSubclassExceptions(unittest.TestCase):
23262 7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	90 def test_dont_mask_non_attribute_error(self):
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	91 class C(object):
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	92 def getbases(self):
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	93 raise RuntimeError
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	94 __bases__ = property(getbases)
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	95
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	96 class S(C): pass
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	97
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	98 self.assertRaises(RuntimeError, issubclass, C(), S())
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	99
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	100 def test_mask_attribute_error(self):
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	101 class C(object):
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	102 def getbases(self):
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	103 raise AttributeError
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	104 __bases__ = property(getbases)
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	105
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	106 class S(C): pass
23521 a90faa5f9417 Whitespace normalization. Tim Peters <tim.peters@gmail.com> parents: 23265 diff changeset	107
23262 7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	108 self.assertRaises(TypeError, issubclass, C(), S())
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	109
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	110 # Like above, but test the second branch, where the __bases__ of the
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	111 # second arg (the cls arg) is tested. This means the first arg must
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	112 # return a valid __bases__, and it's okay for it to be a normal --
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	113 # unrelated by inheritance -- class.
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	114 def test_dont_mask_non_attribute_error_in_cls_arg(self):
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	115 class B: pass
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	116
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	117 class C(object):
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	118 def getbases(self):
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	119 raise RuntimeError
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	120 __bases__ = property(getbases)
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	121
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	122 self.assertRaises(RuntimeError, issubclass, B, C())
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	123
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	124 def test_mask_attribute_error_in_cls_arg(self):
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	125 class B: pass
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	126
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	127 class C(object):
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	128 def getbases(self):
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	129 raise AttributeError
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	130 __bases__ = property(getbases)
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	131
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	132 self.assertRaises(TypeError, issubclass, B, C())
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	133
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	134
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	135
23265 8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	136 # meta classes for creating abstract classes and instances
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	137 class AbstractClass(object):
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	138 def __init__(self, bases):
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	139 self.bases = bases
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	140
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	141 def getbases(self):
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	142 return self.bases
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	143 __bases__ = property(getbases)
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	144
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	145 def __call__(self):
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	146 return AbstractInstance(self)
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	147
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	148 class AbstractInstance(object):
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	149 def __init__(self, klass):
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	150 self.klass = klass
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	151
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	152 def getclass(self):
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	153 return self.klass
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	154 __class__ = property(getclass)
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	155
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	156 # abstract classes
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	157 AbstractSuper = AbstractClass(bases=())
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	158
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	159 AbstractChild = AbstractClass(bases=(AbstractSuper,))
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	160
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	161 # normal classes
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	162 class Super:
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	163 pass
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	164
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	165 class Child(Super):
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	166 pass
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	167
26622 19507a1d0254 Change issubclass() so that recursive tuples (directly or indirectly Walter Dörwald <walter@livinglogic.de> parents: 26612 diff changeset	168 # new-style classes
19507a1d0254 Change issubclass() so that recursive tuples (directly or indirectly Walter Dörwald <walter@livinglogic.de> parents: 26612 diff changeset	169 class NewSuper(object):
19507a1d0254 Change issubclass() so that recursive tuples (directly or indirectly Walter Dörwald <walter@livinglogic.de> parents: 26612 diff changeset	170 pass
19507a1d0254 Change issubclass() so that recursive tuples (directly or indirectly Walter Dörwald <walter@livinglogic.de> parents: 26612 diff changeset	171
19507a1d0254 Change issubclass() so that recursive tuples (directly or indirectly Walter Dörwald <walter@livinglogic.de> parents: 26612 diff changeset	172 class NewChild(NewSuper):
19507a1d0254 Change issubclass() so that recursive tuples (directly or indirectly Walter Dörwald <walter@livinglogic.de> parents: 26612 diff changeset	173 pass
19507a1d0254 Change issubclass() so that recursive tuples (directly or indirectly Walter Dörwald <walter@livinglogic.de> parents: 26612 diff changeset	174
23265 8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	175
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	176
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	177 class TestIsInstanceIsSubclass(unittest.TestCase):
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	178 # Tests to ensure that isinstance and issubclass work on abstract
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	179 # classes and instances. Before the 2.2 release, TypeErrors were
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	180 # raised when boolean values should have been returned. The bug was
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	181 # triggered by mixing 'normal' classes and instances were with
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	182 # 'abstract' classes and instances. This case tries to test all
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	183 # combinations.
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	184
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	185 def test_isinstance_normal(self):
23521 a90faa5f9417 Whitespace normalization. Tim Peters <tim.peters@gmail.com> parents: 23265 diff changeset	186 # normal instances
23265 8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	187 self.assertEqual(True, isinstance(Super(), Super))
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	188 self.assertEqual(False, isinstance(Super(), Child))
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	189 self.assertEqual(False, isinstance(Super(), AbstractSuper))
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	190 self.assertEqual(False, isinstance(Super(), AbstractChild))
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	191
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	192 self.assertEqual(True, isinstance(Child(), Super))
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	193 self.assertEqual(False, isinstance(Child(), AbstractSuper))
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	194
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	195 def test_isinstance_abstract(self):
23521 a90faa5f9417 Whitespace normalization. Tim Peters <tim.peters@gmail.com> parents: 23265 diff changeset	196 # abstract instances
23265 8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	197 self.assertEqual(True, isinstance(AbstractSuper(), AbstractSuper))
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	198 self.assertEqual(False, isinstance(AbstractSuper(), AbstractChild))
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	199 self.assertEqual(False, isinstance(AbstractSuper(), Super))
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	200 self.assertEqual(False, isinstance(AbstractSuper(), Child))
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	201
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	202 self.assertEqual(True, isinstance(AbstractChild(), AbstractChild))
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	203 self.assertEqual(True, isinstance(AbstractChild(), AbstractSuper))
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	204 self.assertEqual(False, isinstance(AbstractChild(), Super))
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	205 self.assertEqual(False, isinstance(AbstractChild(), Child))
23521 a90faa5f9417 Whitespace normalization. Tim Peters <tim.peters@gmail.com> parents: 23265 diff changeset	206
23265 8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	207 def test_subclass_normal(self):
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	208 # normal classes
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	209 self.assertEqual(True, issubclass(Super, Super))
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	210 self.assertEqual(False, issubclass(Super, AbstractSuper))
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	211 self.assertEqual(False, issubclass(Super, Child))
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	212
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	213 self.assertEqual(True, issubclass(Child, Child))
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	214 self.assertEqual(True, issubclass(Child, Super))
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	215 self.assertEqual(False, issubclass(Child, AbstractSuper))
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	216
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	217 def test_subclass_abstract(self):
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	218 # abstract classes
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	219 self.assertEqual(True, issubclass(AbstractSuper, AbstractSuper))
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	220 self.assertEqual(False, issubclass(AbstractSuper, AbstractChild))
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	221 self.assertEqual(False, issubclass(AbstractSuper, Child))
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	222
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	223 self.assertEqual(True, issubclass(AbstractChild, AbstractChild))
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	224 self.assertEqual(True, issubclass(AbstractChild, AbstractSuper))
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	225 self.assertEqual(False, issubclass(AbstractChild, Super))
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	226 self.assertEqual(False, issubclass(AbstractChild, Child))
23521 a90faa5f9417 Whitespace normalization. Tim Peters <tim.peters@gmail.com> parents: 23265 diff changeset	227
26612 97f83542f8ee Enhance issubclass() and PyObject_IsSubclass() so that a tuple is Walter Dörwald <walter@livinglogic.de> parents: 24364 diff changeset	228 def test_subclass_tuple(self):
97f83542f8ee Enhance issubclass() and PyObject_IsSubclass() so that a tuple is Walter Dörwald <walter@livinglogic.de> parents: 24364 diff changeset	229 # test with a tuple as the second argument classes
97f83542f8ee Enhance issubclass() and PyObject_IsSubclass() so that a tuple is Walter Dörwald <walter@livinglogic.de> parents: 24364 diff changeset	230 self.assertEqual(True, issubclass(Child, (Child,)))
97f83542f8ee Enhance issubclass() and PyObject_IsSubclass() so that a tuple is Walter Dörwald <walter@livinglogic.de> parents: 24364 diff changeset	231 self.assertEqual(True, issubclass(Child, (Super,)))
97f83542f8ee Enhance issubclass() and PyObject_IsSubclass() so that a tuple is Walter Dörwald <walter@livinglogic.de> parents: 24364 diff changeset	232 self.assertEqual(False, issubclass(Super, (Child,)))
97f83542f8ee Enhance issubclass() and PyObject_IsSubclass() so that a tuple is Walter Dörwald <walter@livinglogic.de> parents: 24364 diff changeset	233 self.assertEqual(True, issubclass(Super, (Child, Super)))
97f83542f8ee Enhance issubclass() and PyObject_IsSubclass() so that a tuple is Walter Dörwald <walter@livinglogic.de> parents: 24364 diff changeset	234 self.assertEqual(False, issubclass(Child, ()))
26622 19507a1d0254 Change issubclass() so that recursive tuples (directly or indirectly Walter Dörwald <walter@livinglogic.de> parents: 26612 diff changeset	235 self.assertEqual(True, issubclass(Super, (Child, (Super,))))
19507a1d0254 Change issubclass() so that recursive tuples (directly or indirectly Walter Dörwald <walter@livinglogic.de> parents: 26612 diff changeset	236
19507a1d0254 Change issubclass() so that recursive tuples (directly or indirectly Walter Dörwald <walter@livinglogic.de> parents: 26612 diff changeset	237 self.assertEqual(True, issubclass(NewChild, (NewChild,)))
19507a1d0254 Change issubclass() so that recursive tuples (directly or indirectly Walter Dörwald <walter@livinglogic.de> parents: 26612 diff changeset	238 self.assertEqual(True, issubclass(NewChild, (NewSuper,)))
19507a1d0254 Change issubclass() so that recursive tuples (directly or indirectly Walter Dörwald <walter@livinglogic.de> parents: 26612 diff changeset	239 self.assertEqual(False, issubclass(NewSuper, (NewChild,)))
19507a1d0254 Change issubclass() so that recursive tuples (directly or indirectly Walter Dörwald <walter@livinglogic.de> parents: 26612 diff changeset	240 self.assertEqual(True, issubclass(NewSuper, (NewChild, NewSuper)))
19507a1d0254 Change issubclass() so that recursive tuples (directly or indirectly Walter Dörwald <walter@livinglogic.de> parents: 26612 diff changeset	241 self.assertEqual(False, issubclass(NewChild, ()))
19507a1d0254 Change issubclass() so that recursive tuples (directly or indirectly Walter Dörwald <walter@livinglogic.de> parents: 26612 diff changeset	242 self.assertEqual(True, issubclass(NewSuper, (NewChild, (NewSuper,))))
19507a1d0254 Change issubclass() so that recursive tuples (directly or indirectly Walter Dörwald <walter@livinglogic.de> parents: 26612 diff changeset	243
19507a1d0254 Change issubclass() so that recursive tuples (directly or indirectly Walter Dörwald <walter@livinglogic.de> parents: 26612 diff changeset	244 self.assertEqual(True, issubclass(int, (long, (float, int))))
19507a1d0254 Change issubclass() so that recursive tuples (directly or indirectly Walter Dörwald <walter@livinglogic.de> parents: 26612 diff changeset	245 self.assertEqual(True, issubclass(str, (unicode, (Child, NewChild, basestring))))
26612 97f83542f8ee Enhance issubclass() and PyObject_IsSubclass() so that a tuple is Walter Dörwald <walter@livinglogic.de> parents: 24364 diff changeset	246
23265 8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	247
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	248
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	249
23262 7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	250 def test_main():
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	251 suite = unittest.TestSuite()
23265 8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	252 suite.addTest(unittest.makeSuite(TestIsInstanceExceptions))
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	253 suite.addTest(unittest.makeSuite(TestIsSubclassExceptions))
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	254 suite.addTest(unittest.makeSuite(TestIsInstanceIsSubclass))
23262 7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	255 test_support.run_suite(suite)
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	256
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	257
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	258 if __name__ == '__main__':
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	259 test_main()

Mercurial > cpython-lru_cache-weakref

annotate Lib/test/test_isinstance.py @ 28646:193b8aec00ce legacy-trunk