def test_prepare_value_uses__hinted_value(self,
mock_hv: MagicMock) -> None:
hp = HasProps()
p = bcpb.Property()
p.prepare_value(hp, "foo", 10)
assert mock_hv.called
def test_assert_bools(self) -> None:
hp = HasProps()
p = bcpb.Property()
p.asserts(True, "true")
assert p.prepare_value(hp, "foo", 10) == 10
p.asserts(False, "false")
with pytest.raises(ValueError) as e:
p.prepare_value(hp, "foo", 10)
assert str(e) == "false"
def test_assert_msg_funcs(self) -> None:
hp = HasProps()
p = bcpb.Property()
def raise_(ex):
raise ex
p.asserts(False, lambda obj, name, value: raise_(ValueError("bad %s %s %s" % (hp==obj, name, value))))
with pytest.raises(ValueError) as e:
p.prepare_value(hp, "foo", 10)
assert str(e) == "bad True name, 10"
def test_assert_functions(self) -> None:
hp = HasProps()
p = bcpb.Property()
p.asserts(lambda obj, value: True, "true")
p.asserts(lambda obj, value: obj is hp, "true")
p.asserts(lambda obj, value: value == 10, "true")
assert p.prepare_value(hp, "foo", 10) == 10
p.asserts(lambda obj, value: False, "false")
with pytest.raises(ValueError) as e:
p.prepare_value(hp, "foo", 10)
assert str(e) == "false"
