def test_rgetattr(separator):
"""Test to ensure recursive model access works.
GUI elements are named f"prefix{_}" "recursive{_}attr" and bind to recursive.attr.
https://stackoverflow{_}com/a/31174427/
"""
p = Person()
_ = separator
# Test rgetattr(present)
assert rgetattr(p, f"pet{_}species") == "Dog"
assert rgetattr(p, f"pet{_}species", object()) == "Dog"
# Test rgetattr(missing)
assert rgetattr(p, f"pet{_}ghost{_}species", "calico") == "calico"
with pytest.raises(AttributeError):
# Without a default argument, `rgetattr`, like `getattr`, raises
# AttributeError when the dotted attribute is missing
print(rgetattr(p, f"pet{_}ghost{_}species"))
# Test rsetattr()
rsetattr(p, f"pet{_}name", "Sparky")
rsetattr(p, f"residence{_}type", "Apartment")
assert p.pet.name == "Sparky"
assert p.residence.type == "Apartment"
# Test rhasattr()
assert rhasattr(p, f"pet")
assert rhasattr(p, f"pet{_}name")
# Test rhasattr(levels of missing)
assert not rhasattr(p, f"pet{_}ghost")
assert not rhasattr(p, f"pet{_}ghost{_}species")
assert not rhasattr(p, f"ghost")
assert not rhasattr(p, f"ghost{_}species")
def test_rgetattr_broken(separator):
"""
rgetattr(default) fails to short-circuit/return on the first missing attribute.
I never use rgetattr(default) so I won't bother fixing the bug.
Wrong answer:
- None.foo AKA 1
- 1.bar AKA 1
- 1.imag == 0
Right answer:
- None.foo AKA return 1 to caller
"""
_ = separator
result = rgetattr(object(), f"nothing{_}imag", 1)
assert result == 1, result
def getter(self: "ConfigModel") -> str:
return rgetattr(self.cfg, path)
def getter(self: "ConfigModel"):
val = rgetattr(self.cfg, path)
if val is None:
return default
else:
return val