def test_sub_payload(sm: SubscriptionManager):
sm._filter_none = Mock(return_value='value')
params = dict(action=Action.SUBSCRIBE,
topics=['ETH_AURA'],
events=MarketEvents.ORDERS)
result = sm._sub_payload(**params)
sm._filter_none.assert_called_once_with(
dict(action=Action.SUBSCRIBE.value,
topics=['ETH_AURA'],
events=MarketEvents.ORDERS))
assert result == 'value'
def test_filter_none(sm: SubscriptionManager):
assert sm._filter_none({1: 2}) == {1: 2}
assert sm._filter_none({1: 2, 3: None}) == {1: 2}