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client_test.py
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import unittest
from client3 import getDataPoint, getRatio
class ClientTest(unittest.TestCase):
def test_getDataPoint_calculatePrice(self):
quotes = [
{'top_ask': {'price': 121.2, 'size': 36}, 'timestamp': '2019-02-11 22:06:30.572453',
'top_bid': {'price': 120.48, 'size': 109}, 'id': '0.109974697771', 'stock': 'ABC'},
{'top_ask': {'price': 121.68, 'size': 4}, 'timestamp': '2019-02-11 22:06:30.572453',
'top_bid': {'price': 117.87, 'size': 81}, 'id': '0.109974697771', 'stock': 'DEF'}
]
""" ------------ Add the assertion below ------------ """
for quote in quotes:
self.assertEqual(getDataPoint(quote), (quote['stock'], quote['top_bid']['price'], quote['top_ask']['price'],
(quote['top_bid']['price'] + quote['top_ask']['price']) / 2))
def test_getDataPoint_calculatePriceBidGreaterThanAsk(self):
quotes = [
{'top_ask': {'price': 119.2, 'size': 36}, 'timestamp': '2019-02-11 22:06:30.572453',
'top_bid': {'price': 120.48, 'size': 109}, 'id': '0.109974697771', 'stock': 'ABC'},
{'top_ask': {'price': 121.68, 'size': 4}, 'timestamp': '2019-02-11 22:06:30.572453',
'top_bid': {'price': 117.87, 'size': 81}, 'id': '0.109974697771', 'stock': 'DEF'}
]
""" ------------ Add the assertion below ------------ """
for quote in quotes:
self.assertEqual(getDataPoint(quote), (quote['stock'], quote['top_bid']['price'], quote['top_ask']['price'],
(quote['top_bid']['price'] + quote['top_ask']['price']) / 2))
""" ------------ Add more unit tests ------------ """
def test_getRatio_calculateRatio(self):
quotes = [{'top_ask': {'price': 121.2, 'size': 36}, 'timestamp': '2019-02-11 22:06:30.572453',
'top_bid': {'price': 120.48, 'size': 109}, 'id': '0.109974697771', 'stock': 'ABC'},
{'top_ask': {'price': 121.68, 'size': 4}, 'timestamp': '2019-02-11 22:06:30.572453',
'top_bid': {'price': 117.87, 'size': 81}, 'id': '0.109974697771', 'stock': 'DEF'}]
prices = {}
for quote in quotes:
stock, bid_price, ask_price, price = getDataPoint(quote)
prices[stock] = price
self.assertEqual(getRatio(prices['ABC'], prices['DEF']), (prices['ABC'] / prices['DEF']))
def test_getRatio_price_bIsZero(self):
quotes = [{'top_ask': {'price': 121.2, 'size': 36}, 'timestamp': '2019-02-11 22:06:30.572453',
'top_bid': {'price': 120.48, 'size': 109}, 'id': '0.109974697771', 'stock': 'ABC'},
{'top_ask': {'price': 121.68, 'size': 4}, 'timestamp': '2019-02-11 22:06:30.572453',
'top_bid': {'price': -121.68, 'size': 81}, 'id': '0.109974697771', 'stock': 'DEF'}]
prices = {}
for quote in quotes:
stock, bid_price, ask_price, price = getDataPoint(quote)
prices[stock] = price
self.assertEqual(getRatio(prices['ABC'], prices['DEF']), None)
def test_getRatio_price_aIsZero(self):
quotes = [{'top_ask': {'price': 121.2, 'size': 36}, 'timestamp': '2019-02-11 22:06:30.572453',
'top_bid': {'price': -121.2, 'size': 109}, 'id': '0.109974697771', 'stock': 'ABC'},
{'top_ask': {'price': 121.68, 'size': 4}, 'timestamp': '2019-02-11 22:06:30.572453',
'top_bid': {'price': 117.87, 'size': 81}, 'id': '0.109974697771', 'stock': 'DEF'}]
prices = {}
for quote in quotes:
stock, bid_price, ask_price, price = getDataPoint(quote)
prices[stock] = price
self.assertEqual(getRatio(prices['ABC'], prices['DEF']), None)
if __name__ == '__main__':
unittest.main()