client_test.py

import unittest
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 ------------ """
    for quote in quotes:
            
            stock, bid_price, ask_price, price_stock = getDataPoint(quote)
            expected_price_stock = (quote["top_bid"]["price"] + quote["top_ask"]["price"]) / 2
            self.assertEqual(stock, quote["stock"])
            self.assertEqual(bid_price, quote["top_bid"]["price"])
            self.assertEqual(ask_price, quote["top_ask"]["price"])
            self.assertEqual(price_stock, expected_price_stock)

  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:
            stock, bid_price, ask_price, price_stock = getDataPoint(quote)
            expected_price_stock = (quote["top_bid"]["price"] + quote["top_ask"]["price"]) / 2
            self.assertEqual(stock, quote["stock"])
            self.assertEqual(bid_price, quote["top_bid"]["price"])
            self.assertEqual(ask_price, quote["top_ask"]["price"])
            self.assertEqual(price_stock, expected_price_stock)


  """ ------------ Add more unit tests ------------ """


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