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plot-profit should fail gracefully if no trade is within the selected timerange

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closes #4119
This commit is contained in:
Matthias 2020-12-30 08:30:41 +01:00
parent b8899b39ec
commit 2fdda8e448
2 changed files with 6 additions and 0 deletions
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2
freqtrade/plot/plotting.py
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@ -444,6 +444,8 @@ def generate_profit_graph(pairs: str, data: Dict[str, pd.DataFrame],
# Trim trades to available OHLCV data
trades = extract_trades_of_period(df_comb, trades, date_index=True)
if len(trades) == 0:
raise OperationalException('No trades found in selected timerange.')
# Add combined cumulative profit
df_comb = create_cum_profit(df_comb, trades, 'cum_profit', timeframe)

4
tests/test_plotting.py
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@ -353,6 +353,10 @@ def test_generate_profit_graph(testdatadir):
profit_pair = find_trace_in_fig_data(figure.data, f"Profit {pair}")
assert isinstance(profit_pair, go.Scatter)
with pytest.raises(OperationalException, match=r"No trades found.*"):
# Pair cannot be empty - so it's an empty dataframe.
generate_profit_graph(pairs, data, trades.loc[trades['pair'].isnull()], timeframe="5m")
def test_start_plot_dataframe(mocker):
aup = mocker.patch("freqtrade.plot.plotting.load_and_plot_trades", MagicMock())