freqtrade_origin/freqtrade/tests/strategy/test_strategy.py

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# pragma pylint: disable=missing-docstring, protected-access, C0103
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import logging
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import os
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import pytest
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from freqtrade.strategy.interface import IStrategy
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from freqtrade.strategy.resolver import StrategyResolver
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def test_search_strategy():
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default_location = os.path.join(os.path.dirname(
os.path.realpath(__file__)), '..', '..', 'strategy'
)
assert isinstance(
StrategyResolver._search_strategy(default_location, 'DefaultStrategy'), IStrategy
)
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assert StrategyResolver._search_strategy(default_location, 'NotFoundStrategy') is None
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def test_load_strategy(result):
resolver = StrategyResolver()
resolver._load_strategy('TestStrategy')
assert hasattr(resolver.strategy, 'populate_indicators')
assert 'adx' in resolver.strategy.populate_indicators(result)
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def test_load_strategy_custom_directory(result):
resolver = StrategyResolver()
extra_dir = os.path.join('some', 'path')
with pytest.raises(
FileNotFoundError,
match=r".*No such file or directory: '{}'".format(extra_dir)):
resolver._load_strategy('TestStrategy', extra_dir)
assert hasattr(resolver.strategy, 'populate_indicators')
assert 'adx' in resolver.strategy.populate_indicators(result)
def test_load_not_found_strategy():
strategy = StrategyResolver()
with pytest.raises(ImportError,
match=r'Impossible to load Strategy \'NotFoundStrategy\'.'
r' This class does not exist or contains Python code errors'):
strategy._load_strategy('NotFoundStrategy')
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def test_strategy(result):
resolver = StrategyResolver({'strategy': 'DefaultStrategy'})
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assert hasattr(resolver.strategy, 'minimal_roi')
assert resolver.strategy.minimal_roi[0] == 0.04
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assert hasattr(resolver.strategy, 'stoploss')
assert resolver.strategy.stoploss == -0.10
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assert hasattr(resolver.strategy, 'populate_indicators')
assert 'adx' in resolver.strategy.populate_indicators(result)
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assert hasattr(resolver.strategy, 'populate_buy_trend')
dataframe = resolver.strategy.populate_buy_trend(resolver.strategy.populate_indicators(result))
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assert 'buy' in dataframe.columns
assert hasattr(resolver.strategy, 'populate_sell_trend')
dataframe = resolver.strategy.populate_sell_trend(resolver.strategy.populate_indicators(result))
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assert 'sell' in dataframe.columns
def test_strategy_override_minimal_roi(caplog):
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caplog.set_level(logging.INFO)
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config = {
'strategy': 'DefaultStrategy',
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'minimal_roi': {
"0": 0.5
}
}
resolver = StrategyResolver(config)
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assert hasattr(resolver.strategy, 'minimal_roi')
assert resolver.strategy.minimal_roi[0] == 0.5
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assert ('freqtrade.strategy.resolver',
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logging.INFO,
'Override strategy \'minimal_roi\' with value in config file.'
) in caplog.record_tuples
def test_strategy_override_stoploss(caplog):
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caplog.set_level(logging.INFO)
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config = {
'strategy': 'DefaultStrategy',
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'stoploss': -0.5
}
resolver = StrategyResolver(config)
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assert hasattr(resolver.strategy, 'stoploss')
assert resolver.strategy.stoploss == -0.5
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assert ('freqtrade.strategy.resolver',
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logging.INFO,
'Override strategy \'stoploss\' with value in config file: -0.5.'
) in caplog.record_tuples
def test_strategy_override_ticker_interval(caplog):
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caplog.set_level(logging.INFO)
config = {
'strategy': 'DefaultStrategy',
'ticker_interval': 60
}
resolver = StrategyResolver(config)
assert hasattr(resolver.strategy, 'ticker_interval')
assert resolver.strategy.ticker_interval == 60
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assert ('freqtrade.strategy.resolver',
logging.INFO,
'Override strategy \'ticker_interval\' with value in config file: 60.'
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) in caplog.record_tuples