sperated test to be more isolated

tests/test_stock.py

@@ -7,30 +7,33 @@
 import operator
 
 
-def test_stock():
-    """ test relatied to the stock class """
-    portfolio = cira.Portfolio()
-    exchange = cira.Exchange()
+def test_stock_oprators():
+    """ test  operators relatied to the stock class """
     stk = cira.Stock("PYPL")
-
-    assert stk.is_shortable == True
-    assert stk.can_borrow == True
-    assert stk.is_tradable == True
-
     assert stk + 2 == stk.price + 2
     assert stk - 2 == stk.price - 2
     assert stk * 2 == stk.price * 2
     for op in (operator.add, operator.sub, operator.mul, operator.truediv, operator.floordiv):
         assert op(stk, 2) == op(stk.price, 2), f"test of op {op}"
 
+def test_shortable():
+    """ test if a stock is able to be shorted """
+    stk = cira.Stock("PYPL")
+    assert stk.is_shortable == True
+
+def test_tradable():
+    """ test if a stock is able to be shorted """
+    stk = cira.Stock("PYPL")
+    assert stk.is_tradable == True
 
-def test_is_shortable():
-    pass
+def test_stock_borrow():
+    """ test if a stock is able to be shorted """
+    stk = cira.Stock("PYPL")
+    assert stk.can_borrow == True
 
 def test_historical_data():
     """ Test that we historical data can be collected """
-    portfolio = cira.Portfolio()
-    exchange = cira.Exchange()
     stk = cira.Stock("PYPL")
     days = 10
+    print(stk.historical_data(days))
     assert len(stk.historical_data(days)) == days