Add modified values to test.

Author: arkershaw

backtesting/lib.py

@@ -592,6 +592,7 @@ def plot(self, *, results: pd.Series = None, filename=None, plot_width=None,
             show_legend=show_legend,
             open_browser=open_browser)
 
+
 # Prevent pdoc3 documenting __init__ signature of Strategy subclasses
 for cls in list(globals().values()):
     if isinstance(cls, type) and issubclass(cls, Strategy):

backtesting/test/_test.py

@@ -932,6 +932,12 @@ def test_FractionalBacktest(self):
         ubtc_bt = FractionalBacktest(BTCUSD['2015':], SmaCross, fractional_unit=1/1e6, cash=100)
         stats = ubtc_bt.run(fast=2, slow=3)
         self.assertEqual(stats['# Trades'], 41)
+        trades = stats['_trades']
+        self.assertEqual(len(trades), 41)
+        first_trade = trades[['Size', 'EntryPrice', 'ExitPrice']].head(1)
+        self.assertEqual(first_trade['Size'][0], -0.422493)  # Fractional value -422493
+        self.assertAlmostEqual(first_trade['EntryPrice'][0], 236.69)  # Fractional value 0.000236689
+        self.assertAlmostEqual(first_trade['ExitPrice'][0], 261.7)  # Fractional value 0.000261699
 
     def test_MultiBacktest(self):
         btm = MultiBacktest([GOOG, EURUSD, BTCUSD], SmaCross, cash=100_000)