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Task 1: Interface with a stock price data feed #631

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Task 1: Interface with a stock price data feed #631

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ef1759f
Update client3.py
Ichhita02 Jul 4, 2024
4971eaf
Update client_test.py
Ichhita02 Jul 4, 2024
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8 changes: 5 additions & 3 deletions client3.py
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Original file line number Diff line number Diff line change
Expand Up @@ -35,14 +35,16 @@ def getDataPoint(quote):
stock = quote['stock']
bid_price = float(quote['top_bid']['price'])
ask_price = float(quote['top_ask']['price'])
price = bid_price
price = (bid_price + ask_price)/2
return stock, bid_price, ask_price, price


def getRatio(price_a, price_b):
""" Get ratio of price_a and price_b """
""" ------------- Update this function ------------- """
return 1
if (price_b == 0):
return
return price_a/price_b


# Main
Expand All @@ -56,4 +58,4 @@ def getRatio(price_a, price_b):
stock, bid_price, ask_price, price = getDataPoint(quote)
print("Quoted %s at (bid:%s, ask:%s, price:%s)" % (stock, bid_price, ask_price, price))

print("Ratio %s" % getRatio(price, price))
print("Ratio %s" % getRatio(prices["ABC"], prices["DEF"]))
31 changes: 15 additions & 16 deletions client_test.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2,24 +2,23 @@
from client3 import getDataPoint

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 ------------ """

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 ------------ """


""" ------------ Add more unit tests ------------ """
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'}
]
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'}
]
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 ------------ """

if __name__ == '__main__':
unittest.main()