def test_result_validate_calls_validate_functions_from_attribute(self):
_example_function = MagicMock(return_value=True)
r = Result(value=None, validators=[_example_function])
r.validate()
_example_function.assert_called_once_with(r)
def test_result_validate_raises_exceptions(self):
def _example_function(result):
raise TypeError
r = Result(value=None, validators=[_example_function])
with pytest.raises(TypeError):
r.validate()
def test_result_validate_returns_true_on_none_invalid(self):
no_false_validators_fns = [lambda r: True, lambda r: True]
r = Result(value=None, validators=no_false_validators_fns)
is_valid = r.validate()
assert is_valid is True
def test_result_validate_returns_false_on_any_invalid(self):
one_false_validators_fns = [lambda r: True, lambda r: False]
r = Result(value=None, validators=one_false_validators_fns)
is_valid = r.validate()
assert is_valid is False
def test_result_validate_warns_when_run_without_run_validators_flag(
self, caplog):
_example_function = MagicMock(return_value=True)
r = Result(value=None,
validators=[_example_function],
run_validators=False)
with caplog.at_level(logging.WARNING, "prefect.Result"):
is_valid = r.validate()
# it should have acted normal and called the validate functions
_example_function.assert_called_once_with(r)
assert is_valid is True
# but ALSO it should published a warning log, going on about run_validators not being set
assert caplog.text.find("WARNING") > -1
assert caplog.text.find("run_validators") > -1
