def test_bit_field_serialize(bitarray, bit_field):
test_fn = mock.Mock()
value = mock.Mock()
mod.BitField._serializers['test'] = test_fn
inst = mod.BitField(name='test', index=2, width=42, data_type='test')
ret = inst.serialize(value)
assert ret == bitarray.return_value.__getitem__.return_value
test_fn.assert_called_once_with(value)
def test_bit_field_init_deferred():
args = (1, 2)
kwargs = {'a': 3, 'b': 4}
inst = mod.BitField(*args, **kwargs)
assert isinstance(inst, mod.FieldWrapper)
assert inst.cls is mod.BitField
assert inst.args == args
assert inst.kwargs == kwargs
def bit_field():
return mod.BitField(name='test', index=2, width=42, data_type='int')
def test_bit_field_serialize_unknown_type():
inst = mod.BitField(name='test', index=2, width=42, data_type='invalid')
with pytest.raises(ValueError):
inst.serialize(mock.Mock())
def test_bit_field_deserialize(bit_field):
test_fn = mock.Mock()
mod.BitField._deserializers['test'] = test_fn
inst = mod.BitField(name='test', index=2, width=42, data_type='test')
assert inst.deserialize(mock.Mock()) == test_fn.return_value