def test_init_depth_cache(self):
symbol = 'BNB_ETH'
dc = DepthCache(symbol='BNB_ETH')
assert dc.symbol == symbol
assert len(dc.get_asks()) == 0
assert len(dc.get_bids()) == 0
def test_sorted_asks(self):
dc = DepthCache('BNB_ETH')
ask = [1.0, 2.0]
dc.add_ask(ask)
ask2 = [2.0, 3.0]
dc.add_ask(ask2)
assert dc.get_asks() == [ask, ask2]
assert len(dc.get_bids()) == 0
def test_sorted_bids(self):
dc = DepthCache('BNB_ETH')
bid = [1.0, 2.0]
dc.add_bid(bid)
bid2 = [2.0, 3.0]
dc.add_bid(bid2)
assert dc.get_bids() == [bid2, bid]
assert len(dc.get_asks()) == 0
def test_remove_ask(self):
dc = DepthCache('BNB_ETH')
ask = [1.0, 2.0]
dc.add_ask(ask)
ask = [1.0, self.clear_price]
dc.add_ask(ask)
assert len(dc.get_bids()) == 0
assert len(dc.get_asks()) == 0
def test_add_ask(self):
dc = DepthCache('BNB_ETH')
ask = [1.0, 2.0]
dc.add_ask(ask)
assert dc.get_asks() == [ask]
assert len(dc.get_bids()) == 0
def test_add_bid(self):
dc = DepthCache('BNB_ETH')
bid = [1.0, 2.0]
dc.add_bid(bid)
assert dc.get_bids() == [bid]
assert len(dc.get_asks()) == 0