Task 1: Interface with a stock price data feed

client.py

@@ -35,14 +35,14 @@ 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
+    return price_a/price_b
 
 
 # Main
@@ -52,8 +52,10 @@ def getRatio(price_a, price_b):
         quotes = json.loads(urllib.request.urlopen(QUERY.format(random.random())).read())
 
         """ ----------- Update to get the ratio --------------- """
+        prices = {}
         for quote in quotes:
             stock, bid_price, ask_price, price = getDataPoint(quote)
+            prices[stock]=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"]))

client_test.py

@@ -0,0 +1,30 @@
+import unittest
+from client 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:
+       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 ------------ """
+
+
+
+if __name__ == '__main__':
+    unittest.main()

multi_commit.patch

@@ -0,0 +1,123 @@
+From e8d2c3489219cf9d166bf908b9295145901dbaba Mon Sep 17 00:00:00 2001
+From: Sk ANjarul Hossain <[email protected]>
+Date: Wed, 3 Jan 2024 23:19:07 +0530
+Subject: [PATCH 1/2] task 1 complete
+
+---
+ client.py | 8 +++++---
+ 1 file changed, 5 insertions(+), 3 deletions(-)
+
+diff --git a/client.py b/client.py
+index 3fc09b7..d43f4d6 100644
+--- a/client.py
++++ b/client.py
+@@ -35,14 +35,14 @@ 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
++    return price_a/price_b
+
+
+ # Main
+@@ -52,8 +52,10 @@ if __name__ == "__main__":
+         quotes = json.loads(urllib.request.urlopen(QUERY.format(random.random())).read())
+
+         """ ----------- Update to get the ratio --------------- """
++        prices = {}
+         for quote in quotes:
+             stock, bid_price, ask_price, price = getDataPoint(quote)
++            prices[stock]=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"]))
+-- 
+2.37.3.windows.1
+
+
+From 8c1bdc1ed71132eb8ea4edd97de1c3d9168c0e5d Mon Sep 17 00:00:00 2001
+From: Sk ANjarul Hossain <[email protected]>
+Date: Wed, 3 Jan 2024 23:34:57 +0530
+Subject: [PATCH 2/2] Unit test successful
+
+---
+ __pycache__/client.cpython-310.pyc | Bin 0 -> 1212 bytes
+ client_test.py                     |  30 +++++++++++++++++++++++++++++
+ 2 files changed, 30 insertions(+)
+ create mode 100644 __pycache__/client.cpython-310.pyc
+ create mode 100644 client_test.py
+
+diff --git a/__pycache__/client.cpython-310.pyc b/__pycache__/client.cpython-310.pyc
+new file mode 100644
+index 0000000000000000000000000000000000000000..ab45a5c23c0b8952d9221645e9e9519e2620e2a3
+GIT binary patch
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+
+literal 0
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+
+diff --git a/client_test.py b/client_test.py
+new file mode 100644
+index 0000000..18e6839
+--- /dev/null
++++ b/client_test.py
+@@ -0,0 +1,30 @@
++import unittest
++from client 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:
++       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 ------------ """
++
++
++
++if __name__ == '__main__':
++    unittest.main()
+-- 
+2.37.3.windows.1
+