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@mblackonline
mblackonline authored Oct 27, 2022
1 parent 9326466 commit f1c9fe8
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157 changes: 157 additions & 0 deletions Git-Patch-Files/Git-Patch-File_Task1.patch
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Original file line number Diff line number Diff line change
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From 2bd5cd92e5b2ca569729348c113132e1362f0c92 Mon Sep 17 00:00:00 2001
From: Matt Black <[email protected]>
Date: Thu, 4 Aug 2022 14:04:11 +0000
Subject: [PATCH] Create Patch File

---
__pycache__/client3.cpython-38.pyc | Bin 0 -> 1086 bytes
client3.py | 44 ++++++++++++++++-------------
client_test.py | 42 ++++++++++++++++++++-------
3 files changed, 56 insertions(+), 30 deletions(-)
create mode 100644 __pycache__/client3.cpython-38.pyc

diff --git a/__pycache__/client3.cpython-38.pyc b/__pycache__/client3.cpython-38.pyc
new file mode 100644
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diff --git a/client3.py b/client3.py
index f1771c3..752d4a9 100644
--- a/client3.py
+++ b/client3.py
@@ -30,30 +30,34 @@ QUERY = "http://localhost:8080/query?id={}"
N = 500

def getDataPoint(quote):
- """ Produce all of the needed values to generate a datapoint """
- """ ------------- Update this function ------------- """
- stock = quote['stock']
- bid_price = float(quote['top_bid']['price'])
- ask_price = float(quote['top_ask']['price'])
- price = bid_price
- return stock, bid_price, ask_price, price
+ """ Produce all of the needed values to generate a datapoint """
+ """ ------------- Update this function ------------- """
+ stock = quote['stock']
+ bid_price = float(quote['top_bid']['price'])
+ ask_price = float(quote['top_ask']['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 ------------- """
- """ Also create some unit tests for this function in client_test.py """
- return 1
-
+ # """ Get ratio of price_a and price_b """
+ # """ ------------- Update this function ------------- """
+ # """ Also create some unit tests for this function in client_test.py """
+ if price_b == 0: # when price_b is 0 avoid throwing ZeroDivisionError
+ return
+ return (price_a / price_b)
+
+
# Main
if __name__ == "__main__":
+ # Query the price once every N seconds.
+ for _ in range(N):
+ quotes = json.loads(urllib.request.urlopen(QUERY.format(random.random())).read())
+ prices = {}

- # Query the price once every N seconds.
- for _ in iter(range(N)):
- quotes = json.loads(urllib.request.urlopen(QUERY.format(random.random())).read())
+ for quote in quotes:
+ stock, bid_price, ask_price, price = getDataPoint(quote)
+ prices[stock] = price

- """ ----------- Update to get the ratio --------------- """
- for quote in quotes:
- 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("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'])))
diff --git a/client_test.py b/client_test.py
index af2bf26..eadd85e 100644
--- a/client_test.py
+++ b/client_test.py
@@ -5,21 +5,43 @@ 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 ------------ """
+ {'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'}
- ]
- """ ------------ Add the assertion below ------------ """
+ {'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_getRatio_priceBZero(self):
+ # price_a = 119.2
+ # price_b = 0
+ # self.assertIsNone(getRatio(price_a, price_b))
+
+ # def test_getRatio_priceAZero(self):
+ # price_a = 0
+ # price_b = 121.68
+ # self.assertEqual(getRatio(price_a, price_b), 0)
+
+ # def test_getRatio_greaterThan1(self):
+ # price_a = 346.48
+ # price_b = 166.39
+ # self.assertGreater(getRatio(price_a, price_b), 1)

- """ ------------ Add more unit tests ------------ """
+ # def test_getRatio_LessThan1(self):
+ # price_a = 166.39
+ # price_b = 356.48
+ # self.assertLess(getRatio(price_a, price_b), 1)

+ # def test_getRatio_exactlyOne(self):
+ # price_a = 356.48
+ # price_b = 356.48
+ # self.assertEqual(getRatio(price_a, price_b), 1)

-
-if __name__ == '__main__':
- unittest.main()
+if __name__ == "__main__":
+ unittest.main()
\ No newline at end of file
--
2.17.1

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