def test_get_order_book_count():
asset_pair = "XXRPZCAD"
count = 3
sess = KrakenSession()
order_book = sess.get_order_book(asset_pair, count=count)
asset_pair_order_book = order_book[asset_pair]
for order_lists in asset_pair_order_book.values():
assert len(order_lists) <= count
with pytest.raises(InvalidRequestParameterException):
sess.get_order_book(asset_pair, "four")
def test_get_order_book_base():
asset_pair = "XXRPZCAD"
sess = KrakenSession()
order_book = sess.get_order_book(asset_pair)
assert lists_match(order_book.keys(), [asset_pair])
asset_pair_order_book = order_book[asset_pair]
assert lists_match(asset_pair_order_book.keys(), ['asks', 'bids'])
for ask in asset_pair_order_book['asks']:
assert len(ask) == ORDER_BOOK_ASKS_LENGTH
for bids in asset_pair_order_book['bids']:
assert len(bids) == ORDER_BOOKS_BIDS_LENGTH
with pytest.raises(MissingRequiredParameterException):
sess.get_order_book(None)
with pytest.raises(InvalidRequestParameterOptionsException):
sess.get_order_book("BadPAiR")