def test_mixed_attr(self):
"""Tests for fields in dir() but whose getattr() fails."""
class InstanceOnlyDescriptor(object):
def __get__(self, instance, owner):
if instance is None:
raise AttributeError("You can't retrieve InstanceOnlyDescriptor.")
return len(instance.__dict__)
class MyClass(object):
x = InstanceOnlyDescriptor()
y = 13
# Make sure the 'InstanceOnlyDescriptor' works.
self.assertRaises(AttributeError, getattr, MyClass, 'x')
obj = MyClass()
self.assertEqual(0, obj.x)
obj.y = 3
self.assertEqual(1, obj.x)
# Fetch fields
fields = dict(utils.iterclass(MyClass))
# Check for normal fields
self.assertIn('y', fields)
self.assertEqual(13, fields['y'])
# Check that the invalid attribute is ignored.
self.assertNotIn('x', fields)
def test_mixed_attr(self):
"""Tests for fields in dir() but whose getattr() fails."""
class InstanceOnlyDescriptor(object):
def __get__(self, instance, owner):
if instance is None:
raise AttributeError(
"You can't retrieve InstanceOnlyDescriptor.")
return len(instance.__dict__)
class MyClass(object):
x = InstanceOnlyDescriptor()
y = 13
# Make sure the 'InstanceOnlyDescriptor' works.
self.assertRaises(AttributeError, getattr, MyClass, 'x')
obj = MyClass()
self.assertEqual(0, obj.x)
obj.y = 3
self.assertEqual(1, obj.x)
# Fetch fields
fields = dict(utils.iterclass(MyClass))
# Check for normal fields
self.assertIn('y', fields)
self.assertEqual(13, fields['y'])
# Check that the invalid attribute is ignored.
self.assertNotIn('x', fields)
def test_simple_class(self):
class MyClass(object):
x = 42
def inst_mth(self): # pragma: no cover
pass
@classmethod
def cls_mth(cls): # pragma: no cover
pass
@staticmethod
def st_mth(cls): # pragma: no cover
pass
fields = list(utils.iterclass(MyClass))
self.assertIn(('x', 42), fields)
self.assertIn(('inst_mth', MyClass.inst_mth), fields)
self.assertIn(('cls_mth', MyClass.cls_mth), fields)
self.assertIn(('st_mth', MyClass.st_mth), fields)
def test_simple_class(self):
class MyClass(object):
x = 42
def inst_mth(self): # pragma: no cover
pass
@classmethod
def cls_mth(cls): # pragma: no cover
pass
@staticmethod
def st_mth(cls): # pragma: no cover
pass
fields = list(utils.iterclass(MyClass))
self.assertIn(('x', 42), fields)
self.assertIn(('inst_mth', MyClass.inst_mth), fields)
self.assertIn(('cls_mth', MyClass.cls_mth), fields)
self.assertIn(('st_mth', MyClass.st_mth), fields)
