def test_std_backtest(cerebro: bt.Cerebro):
cerebro.addstrategy(bt.strategies.MA_CrossOver)
cerebro.run()
s = backtrader_plotting.schemes.Blackly()
b = Bokeh(style='bar', scheme=s, output_mode=_output_mode)
figs = cerebro.plot(b)
assert len(figs) == 1
assert_num_tabs(figs, 3)
assert_num_figures(figs, 4)
def test_backtest_2strats(cerebro: bt.Cerebro):
cerebro.addstrategy(bt.strategies.MA_CrossOver)
cerebro.addstrategy(ToggleStrategy)
cerebro.run()
b = Bokeh(style='bar', output_mode=_output_mode)
figs = cerebro.plot(b)
assert len(figs) == 2
assert_num_tabs(figs, 3, 3)
assert_num_figures(figs, 4, 3)
def test_std_backtest_ind_on_line(cerebro: bt.Cerebro):
'''In the past it crashed when creating indicators with specific lines case LineSeriesStub was not handled correctly'''
class TestStrategy(bt.Strategy):
def __init__(self):
self._sma = bt.indicators.SMA(self.data.close)
cerebro.addstrategy(TestStrategy)
cerebro.run()
s = backtrader_plotting.schemes.Blackly()
b = Bokeh(style='bar', scheme=s, output_mode=_output_mode)
figs = cerebro.plot(b)
assert len(figs) == 1
assert_num_tabs(figs, 3)
assert_num_figures(figs, 3)
def test_std_backtest_ind_subplot(cerebro: bt.Cerebro):
cerebro.addstrategy(bt.strategies.MA_CrossOver)
cerebro.run()
plotconfig = {
'#:i-0': {
'subplot': True,
}
}
s = backtrader_plotting.schemes.Blackly()
b = Bokeh(style='bar',
scheme=s,
output_mode=_output_mode,
plotconfig=plotconfig)
figs = cerebro.plot(b)
assert_num_tabs(figs, 3)
assert_num_figures(figs, 5)
def test_std_backtest_2datas(cerebro: bt.Cerebro):
datapath = getdatadir('nvda-1999-2014.txt')
data = bt.feeds.YahooFinanceCSVData(
dataname=datapath,
fromdate=datetime.datetime(1998, 1, 1),
todate=datetime.datetime(2000, 12, 31),
reverse=False,
swapcloses=True,
)
cerebro.adddata(data)
cerebro.addstrategy(bt.strategies.MA_CrossOver)
cerebro.run()
s = backtrader_plotting.schemes.Blackly()
b = Bokeh(style='bar',
scheme=s,
output_mode=_output_mode,
merge_data_hovers=True)
figs = cerebro.plot(b)
assert len(figs) == 1
assert_num_tabs(figs, 3)
assert_num_figures(figs, 5)