def test_bind_attributes_missing_raises(foo):
obj = Mock()
del obj.a
with pytest.raises(TypeError):
util.bind_attributes(foo, obj)
def test_bind_attributes(foo):
obj = Mock()
a = PropertyMock(return_value=1)
type(obj).a = a
b = PropertyMock(return_value=2)
type(obj).b = b
c = PropertyMock(return_value=3)
type(obj).c = c
args, kwargs = util.bind_attributes(foo, obj)
foo(*args, **kwargs)
def test_bind_attributes_default_args():
def foo(a, b, c=42):
assert a == 1
assert b == 2
assert c == 42
obj = Mock()
a = PropertyMock(return_value=1)
type(obj).a = a
b = PropertyMock(return_value=2)
type(obj).b = b
del obj.c
args, kwargs = util.bind_attributes(foo, obj)
foo(*args, **kwargs)
def test_bind_attributes_exclude_first(foo):
obj = Mock()
del obj.a
util.bind_attributes(foo, obj, exclude_first=True)
def test_bind_attributes_exclude(foo):
obj = Mock()
del obj.a
del obj.c
util.bind_attributes(foo, obj, exclude=['a', 'c'])
