def test_init_raise_exception_for_mismatched_exchange(self):
exchange = Exchange.objects.get(name="Cex.io")
with self.assertRaises(TypeError) as context:
KrakenCrawler(exchange)
self.assertTrue('Mismatched Exchange' in str(context.exception))
def test_save_pair_ticker_for_valid_pair_and_empty_orderbook(self):
exchange = self.exchange
crawler = KrakenCrawler(exchange)
result = KrakenCrawler.save_pair_ticker(crawler.exchange.pairs.first(),
None, None)
self.assertFalse(result)
def test_save_pair_ticker_for_valid_inputs(self):
ticker = KrakenCrawler.parse_pair_ticker(self.ticker_response)
exchange = self.exchange
crawler = KrakenCrawler(exchange)
exchange_pair = crawler.exchange.pairs.first()
result = KrakenCrawler.save_pair_ticker(exchange_pair, ticker[0],
ticker[1])
self.assertTrue(result)
self.assertEqual(exchange_pair.last_bid, self.saved_ticker_bid)
self.assertEqual(exchange_pair.last_ask, self.saved_ticker_ask)
def test_save_pair_orderbook_for_valid_inputs(self):
orderbook = KrakenCrawler.parse_pair_orderbook(self.orderbook_response)
exchange = self.exchange
crawler = KrakenCrawler(exchange)
exchange_pair = crawler.exchange.pairs.first()
result = KrakenCrawler.save_pair_orderbook(exchange_pair, orderbook[0],
orderbook[1])
self.assertTrue(result)
self.assertEqual(exchange_pair.bids, self.saved_orderbook_bids)
self.assertEqual(exchange_pair.asks, self.saved_orderbook_asks)
def test_init_raise_exception_for_wrong_input(self):
with self.assertRaises(TypeError) as context:
KrakenCrawler([])
self.assertTrue(
'Given argument is not Exchange type' in str(context.exception))
def test_crawler_is_properly_created(self):
exchange = self.exchange
crawler = KrakenCrawler(exchange)
self.assertEquals(exchange.id, crawler.exchange.id)