stable/freqtrade/tests/test_plotting.py

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from unittest.mock import MagicMock
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from plotly import tools
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import plotly.graph_objs as go
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from copy import deepcopy
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from freqtrade.arguments import Arguments, TimeRange
from freqtrade.data import history
from freqtrade.plot.plotting import (generate_graph, generate_plot_file,
generate_row, plot_trades)
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from freqtrade.strategy.default_strategy import DefaultStrategy
from freqtrade.tests.conftest import log_has, log_has_re
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def fig_generating_mock(fig, *args, **kwargs):
""" Return Fig - used to mock generate_row and plot_trades"""
return fig
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def find_trace_in_fig_data(data, search_string: str):
matches = filter(lambda x: x.name == search_string, data)
return next(matches)
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def generage_empty_figure():
return tools.make_subplots(
rows=3,
cols=1,
shared_xaxes=True,
row_width=[1, 1, 4],
vertical_spacing=0.0001,
)
def test_generate_row(default_conf, caplog):
pair = "UNITTEST/BTC"
timerange = TimeRange(None, 'line', 0, -1000)
data = history.load_pair_history(pair=pair, ticker_interval='1m',
datadir=None, timerange=timerange)
indicators1 = ["ema10"]
indicators2 = ["macd"]
# Generate buy/sell signals and indicators
strat = DefaultStrategy(default_conf)
data = strat.analyze_ticker(data, {'pair': pair})
fig = generage_empty_figure()
# Row 1
fig1 = generate_row(fig=deepcopy(fig), row=1, indicators=indicators1, data=data)
figure = fig1.layout.figure
ema10 = find_trace_in_fig_data(figure.data, "ema10")
assert isinstance(ema10, go.Scatter)
assert ema10.yaxis == "y"
fig2 = generate_row(fig=deepcopy(fig), row=3, indicators=indicators2, data=data)
figure = fig2.layout.figure
macd = find_trace_in_fig_data(figure.data, "macd")
assert isinstance(macd, go.Scatter)
assert macd.yaxis == "y3"
# No indicator found
fig3 = generate_row(fig=deepcopy(fig), row=3, indicators=['no_indicator'], data=data)
assert fig == fig3
assert log_has_re(r'Indicator "no_indicator" ignored\..*', caplog.record_tuples)
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def test_plot_trades():
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fig1 = generage_empty_figure()
# nothing happens when no trades are available
fig = plot_trades(fig1, None)
assert fig == fig1
# TODO: implement tests that do something
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def test_generate_graph_no_signals_no_trades(default_conf, mocker, caplog):
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row_mock = mocker.patch('freqtrade.plot.plotting.generate_row',
MagicMock(side_effect=fig_generating_mock))
trades_mock = mocker.patch('freqtrade.plot.plotting.plot_trades',
MagicMock(side_effect=fig_generating_mock))
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pair = "UNITTEST/BTC"
timerange = TimeRange(None, 'line', 0, -1000)
data = history.load_pair_history(pair=pair, ticker_interval='1m',
datadir=None, timerange=timerange)
data['buy'] = 0
data['sell'] = 0
indicators1 = []
indicators2 = []
fig = generate_graph(pair=pair, data=data, trades=None,
indicators1=indicators1, indicators2=indicators2)
assert isinstance(fig, go.Figure)
assert fig.layout.title.text == pair
figure = fig.layout.figure
assert len(figure.data) == 2
# Candlesticks are plotted first
candles = find_trace_in_fig_data(figure.data, "Price")
assert isinstance(candles, go.Candlestick)
volume = find_trace_in_fig_data(figure.data, "Volume")
assert isinstance(volume, go.Bar)
assert row_mock.call_count == 2
assert trades_mock.call_count == 1
assert log_has("No buy-signals found.", caplog.record_tuples)
assert log_has("No sell-signals found.", caplog.record_tuples)
def test_generate_graph_no_trades(default_conf, mocker):
row_mock = mocker.patch('freqtrade.plot.plotting.generate_row',
MagicMock(side_effect=fig_generating_mock))
trades_mock = mocker.patch('freqtrade.plot.plotting.plot_trades',
MagicMock(side_effect=fig_generating_mock))
pair = 'UNITTEST/BTC'
timerange = TimeRange(None, 'line', 0, -1000)
data = history.load_pair_history(pair=pair, ticker_interval='1m',
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datadir=None, timerange=timerange)
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# Generate buy/sell signals and indicators
strat = DefaultStrategy(default_conf)
data = strat.analyze_ticker(data, {'pair': pair})
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indicators1 = []
indicators2 = []
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fig = generate_graph(pair=pair, data=data, trades=None,
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indicators1=indicators1, indicators2=indicators2)
assert isinstance(fig, go.Figure)
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assert fig.layout.title.text == pair
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figure = fig.layout.figure
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assert len(figure.data) == 6
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# Candlesticks are plotted first
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candles = find_trace_in_fig_data(figure.data, "Price")
assert isinstance(candles, go.Candlestick)
volume = find_trace_in_fig_data(figure.data, "Volume")
assert isinstance(volume, go.Bar)
buy = find_trace_in_fig_data(figure.data, "buy")
assert isinstance(buy, go.Scatter)
# All buy-signals should be plotted
assert int(data.buy.sum()) == len(buy.x)
sell = find_trace_in_fig_data(figure.data, "sell")
assert isinstance(sell, go.Scatter)
# All buy-signals should be plotted
assert int(data.sell.sum()) == len(sell.x)
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assert find_trace_in_fig_data(figure.data, "BB lower")
assert find_trace_in_fig_data(figure.data, "BB upper")
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assert row_mock.call_count == 2
assert trades_mock.call_count == 1