def test_normal_serialisation_dicts(input_):
serialised = data_dumps(input_)
assert isinstance(serialised, str)
deserialised = data_loads(serialised)
assert input_ == deserialised or np.isnan(input_)
def test_none_ok():
assert data_dumps(None) is None
assert data_loads(None) is None
def test_pandas_df_serialisation(input_):
serialised = data_dumps(input_)
assert isinstance(serialised, str)
deserialised = data_loads(serialised)
assert isinstance(deserialised, type(input_))
assert pytest.helpers.exact_element_match(input_, deserialised)