def test_getattr(self):
scope = {}
placeholder = demandload.Placeholder(scope, 'foo', list)
self.assertEqual(scope, object.__getattribute__(placeholder, '_scope'))
self.assertEqual(placeholder.__doc__, [].__doc__)
self.assertEqual(scope['foo'], [])
demandload._protection_enabled = lambda: True
self.assertRaises(ValueError, getattr, placeholder, '__doc__')
def test_getattr(self):
scope = {}
placeholder = demandload.Placeholder(scope, 'foo', list)
assert scope == object.__getattribute__(placeholder, '_scope')
assert placeholder.__doc__ == [].__doc__
assert scope['foo'] == []
demandload._protection_enabled = lambda: True
with pytest.raises(ValueError):
getattr(placeholder, '__doc__')
def test_call(self):
def passthrough(*args, **kwargs):
return args, kwargs
def get_func():
return passthrough
scope = {}
placeholder = demandload.Placeholder(scope, 'foo', get_func)
assert scope == object.__getattribute__(placeholder, '_scope')
assert (('arg',), {'kwarg': 42}) == placeholder('arg', kwarg=42)
assert passthrough is scope['foo']
def test_setattr(self):
class Struct(object):
pass
scope = {}
placeholder = demandload.Placeholder(scope, 'foo', Struct)
placeholder.val = 7
demandload._protection_enabled = lambda: True
self.assertRaises(ValueError, getattr, placeholder, 'val')
self.assertEqual(7, scope['foo'].val)
def test_setattr(self):
class Struct:
pass
scope = {}
placeholder = demandload.Placeholder(scope, 'foo', Struct)
placeholder.val = 7
demandload._protection_enabled = lambda: True
with pytest.raises(ValueError):
getattr(placeholder, 'val')
assert 7 == scope['foo'].val
def test_call(self):
def passthrough(*args, **kwargs):
return args, kwargs
def get_func():
return passthrough
scope = {}
placeholder = demandload.Placeholder(scope, 'foo', get_func)
self.assertEqual(scope, object.__getattribute__(placeholder, '_scope'))
self.assertEqual((('arg', ), {
'kwarg': 42
}), placeholder('arg', kwarg=42))
self.assertIdentical(passthrough, scope['foo'])
def test__str__(self):
scope = {}
placeholder = demandload.Placeholder(scope, 'foo', list)
assert scope == object.__getattribute__(placeholder, '_scope')
assert str(placeholder) == str([])
assert scope['foo'] == []
def test__str__(self):
scope = {}
placeholder = demandload.Placeholder(scope, 'foo', list)
self.assertEqual(scope, object.__getattribute__(placeholder, '_scope'))
self.assertEqual(str(placeholder), str([]))
self.assertEqual(scope['foo'], [])
def test__str__(self):
scope = {}
placehold = demandload.Placeholder(scope, 'foo', list)
self.assertEqual({}, scope)
self.assertEqual(str(placehold), str([]))
self.assertEqual(scope['foo'], [])