def test_property_deleter_stub_then_rase(decoy: Decoy) -> None:
"""It should be able to stub a property deleter to raise."""
subject = decoy.mock()
prop_rehearser = decoy.prop(subject.prop_name)
decoy.when(prop_rehearser.delete()).then_raise(ValueError("oh no"))
with pytest.raises(ValueError, match="oh no"):
del subject.prop_name
def test_property_setter_stub_then_raise(decoy: Decoy) -> None:
"""It should be able to stub a property setter to raise."""
subject = decoy.mock()
prop_rehearser = decoy.prop(subject.prop_name)
decoy.when(prop_rehearser.set(42)).then_raise(ValueError("oh no"))
subject.prop_name = 41
assert subject.prop_name == 41
with pytest.raises(ValueError, match="oh no"):
subject.prop_name = 42
def test_verify_property_access(decoy: Decoy) -> None:
"""It should be able to verify property setters and deleters."""
subject_1 = decoy.mock()
subject_2 = decoy.mock()
subject_1.hello("world")
subject_1.some_property = "fizzbuzz"
del subject_2.another_property
subject_2.answer(42)
decoy.verify(
subject_1.hello("world"),
decoy.prop(subject_1.some_property).set("fizzbuzz"),
decoy.prop(subject_2.another_property).delete(),
subject_2.answer(42),
)
with pytest.raises(errors.VerifyError):
decoy.verify(
subject_1.hello("world"),
decoy.prop(subject_1.some_property).set("fizzbuzz"),
subject_2.answer(42),
decoy.prop(subject_2.another_property).delete(),
)