diff options
Diffstat (limited to 'Lib/test/test_descr.py')
| -rw-r--r-- | Lib/test/test_descr.py | 77 |
1 files changed, 48 insertions, 29 deletions
diff --git a/Lib/test/test_descr.py b/Lib/test/test_descr.py index b214996..15219db 100644 --- a/Lib/test/test_descr.py +++ b/Lib/test/test_descr.py @@ -652,19 +652,19 @@ class ClassPropertiesAndMethods(unittest.TestCase): class A(metaclass=AMeta): pass self.assertEqual(['AMeta'], new_calls) - new_calls[:] = [] + new_calls.clear() class B(metaclass=BMeta): pass # BMeta.__new__ calls AMeta.__new__ with super: self.assertEqual(['BMeta', 'AMeta'], new_calls) - new_calls[:] = [] + new_calls.clear() class C(A, B): pass # The most derived metaclass is BMeta: self.assertEqual(['BMeta', 'AMeta'], new_calls) - new_calls[:] = [] + new_calls.clear() # BMeta.__prepare__ should've been called: self.assertIn('BMeta_was_here', C.__dict__) @@ -672,20 +672,20 @@ class ClassPropertiesAndMethods(unittest.TestCase): class C2(B, A): pass self.assertEqual(['BMeta', 'AMeta'], new_calls) - new_calls[:] = [] + new_calls.clear() self.assertIn('BMeta_was_here', C2.__dict__) # Check correct metaclass calculation when a metaclass is declared: class D(C, metaclass=type): pass self.assertEqual(['BMeta', 'AMeta'], new_calls) - new_calls[:] = [] + new_calls.clear() self.assertIn('BMeta_was_here', D.__dict__) class E(C, metaclass=AMeta): pass self.assertEqual(['BMeta', 'AMeta'], new_calls) - new_calls[:] = [] + new_calls.clear() self.assertIn('BMeta_was_here', E.__dict__) # Special case: the given metaclass isn't a class, @@ -727,33 +727,33 @@ class ClassPropertiesAndMethods(unittest.TestCase): pass self.assertIs(ANotMeta, type(A)) self.assertEqual(['ANotMeta'], prepare_calls) - prepare_calls[:] = [] + prepare_calls.clear() self.assertEqual(['ANotMeta'], new_calls) - new_calls[:] = [] + new_calls.clear() class B(metaclass=BNotMeta): pass self.assertIs(BNotMeta, type(B)) self.assertEqual(['BNotMeta', 'ANotMeta'], prepare_calls) - prepare_calls[:] = [] + prepare_calls.clear() self.assertEqual(['BNotMeta', 'ANotMeta'], new_calls) - new_calls[:] = [] + new_calls.clear() class C(A, B): pass self.assertIs(BNotMeta, type(C)) self.assertEqual(['BNotMeta', 'ANotMeta'], new_calls) - new_calls[:] = [] + new_calls.clear() self.assertEqual(['BNotMeta', 'ANotMeta'], prepare_calls) - prepare_calls[:] = [] + prepare_calls.clear() class C2(B, A): pass self.assertIs(BNotMeta, type(C2)) self.assertEqual(['BNotMeta', 'ANotMeta'], new_calls) - new_calls[:] = [] + new_calls.clear() self.assertEqual(['BNotMeta', 'ANotMeta'], prepare_calls) - prepare_calls[:] = [] + prepare_calls.clear() # This is a TypeError, because of a metaclass conflict: # BNotMeta is neither a subclass, nor a superclass of type @@ -765,25 +765,25 @@ class ClassPropertiesAndMethods(unittest.TestCase): pass self.assertIs(BNotMeta, type(E)) self.assertEqual(['BNotMeta', 'ANotMeta'], new_calls) - new_calls[:] = [] + new_calls.clear() self.assertEqual(['BNotMeta', 'ANotMeta'], prepare_calls) - prepare_calls[:] = [] + prepare_calls.clear() class F(object(), C): pass self.assertIs(BNotMeta, type(F)) self.assertEqual(['BNotMeta', 'ANotMeta'], new_calls) - new_calls[:] = [] + new_calls.clear() self.assertEqual(['BNotMeta', 'ANotMeta'], prepare_calls) - prepare_calls[:] = [] + prepare_calls.clear() class F2(C, object()): pass self.assertIs(BNotMeta, type(F2)) self.assertEqual(['BNotMeta', 'ANotMeta'], new_calls) - new_calls[:] = [] + new_calls.clear() self.assertEqual(['BNotMeta', 'ANotMeta'], prepare_calls) - prepare_calls[:] = [] + prepare_calls.clear() # TypeError: BNotMeta is neither a # subclass, nor a superclass of int @@ -1799,12 +1799,7 @@ order (MRO) for bases """ for attr, obj in env.items(): setattr(X, attr, obj) setattr(X, name, ErrDescr()) - try: - runner(X()) - except MyException: - pass - else: - self.fail("{0!r} didn't raise".format(name)) + self.assertRaises(MyException, runner, X()) def test_specials(self): # Testing special operators... @@ -2241,9 +2236,6 @@ order (MRO) for bases """ # Two essentially featureless objects, just inheriting stuff from # object. self.assertEqual(dir(NotImplemented), dir(Ellipsis)) - if support.check_impl_detail(): - # None differs in PyPy: it has a __nonzero__ - self.assertEqual(dir(None), dir(Ellipsis)) # Nasty test case for proxied objects class Wrapper(object): @@ -4429,6 +4421,27 @@ order (MRO) for bases """ foo = Foo() str(foo) + def test_slot_shadows_class_variable(self): + with self.assertRaises(ValueError) as cm: + class X: + __slots__ = ["foo"] + foo = None + m = str(cm.exception) + self.assertEqual("'foo' in __slots__ conflicts with class variable", m) + + def test_set_doc(self): + class X: + "elephant" + X.__doc__ = "banana" + self.assertEqual(X.__doc__, "banana") + with self.assertRaises(TypeError) as cm: + type(list).__dict__["__doc__"].__set__(list, "blah") + self.assertIn("can't set list.__doc__", str(cm.exception)) + with self.assertRaises(TypeError) as cm: + type(X).__dict__["__doc__"].__delete__(X) + self.assertIn("can't delete X.__doc__", str(cm.exception)) + self.assertEqual(X.__doc__, "banana") + class DictProxyTests(unittest.TestCase): def setUp(self): class C(object): @@ -4436,6 +4449,8 @@ class DictProxyTests(unittest.TestCase): pass self.C = C + @unittest.skipIf(hasattr(sys, 'gettrace') and sys.gettrace(), + 'trace function introduces __local__') def test_iter_keys(self): # Testing dict-proxy keys... it = self.C.__dict__.keys() @@ -4445,6 +4460,8 @@ class DictProxyTests(unittest.TestCase): self.assertEqual(keys, ['__dict__', '__doc__', '__module__', '__weakref__', 'meth']) + @unittest.skipIf(hasattr(sys, 'gettrace') and sys.gettrace(), + 'trace function introduces __local__') def test_iter_values(self): # Testing dict-proxy values... it = self.C.__dict__.values() @@ -4452,6 +4469,8 @@ class DictProxyTests(unittest.TestCase): values = list(it) self.assertEqual(len(values), 5) + @unittest.skipIf(hasattr(sys, 'gettrace') and sys.gettrace(), + 'trace function introduces __local__') def test_iter_items(self): # Testing dict-proxy iteritems... it = self.C.__dict__.items() |