def test_from_file(self) -> None:
importer = fl.Importer()
importer.from_string = MagicMock( # type: ignore
side_effect=lambda string: fl.Engine(description=string))
path = tempfile.mkstemp(text=True)[1]
with io.open(path, 'w') as file:
file.write(BELL_FLL)
engine = importer.from_file(path)
self.assertEqual(BELL_FLL, engine.description)
os.remove(path)
def test_to_string(self) -> None:
with self.assertRaises(NotImplementedError):
fl.Importer().from_string("")
def test_class_name(self) -> None:
self.assertEqual(fl.Importer().class_name, "Importer")