Test params for fractional backtest plot.

Author: arkershaw

backtesting/test/_test.py

@@ -647,6 +647,8 @@ def test_file_size(self):
     def test_params(self):
         bt = Backtest(GOOG.iloc[:100], SmaCross)
         bt.run()
+        fbt = FractionalBacktest(GOOG.iloc[:100], SmaCross, fractional_unit=1/1e6)
+        fbt.run()
         with _tempfile() as f:
             for p in dict(plot_volume=False,  # noqa: C408
                           plot_equity=False,
@@ -662,6 +664,7 @@ def test_params(self):
                           show_legend=False).items():
                 with self.subTest(param=p[0]):
                     bt.plot(**dict([p]), filename=f, open_browser=False)
+                    fbt.plot(**dict([p]), filename=f, open_browser=False)
 
     def test_hide_legend(self):
         bt = Backtest(GOOG.iloc[:100], SmaCross)