def test_no_exporter_for_type(self):
@codec.register_exporter('abc', Part)
class Abc(codec.Exporter):
pass
with self.assertRaises(TypeError):
codec.get_exporter(CubeStack(), 'abc') # assembly
def test_get_registered_subtype(self):
@codec.register_exporter('abc', Component)
class Abc(codec.Exporter):
pass
self.assertIsInstance(codec.get_exporter(Box(), 'abc'), Abc) # Part
def test_get_registered(self):
@codec.register_exporter('abc', Part)
class Abc(codec.Exporter):
pass
self.assertIsInstance(codec.get_exporter(Box(), 'abc'), Abc)
def test_no_exporter(self):
with self.assertRaises(TypeError):
codec.get_exporter(Box(), 'abc')
