stable/freqtrade/tests/test_main.py

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# pragma pylint: disable=missing-docstring
from copy import deepcopy
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from unittest.mock import MagicMock, PropertyMock
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import pytest
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from freqtrade import OperationalException
from freqtrade.configuration import Arguments
from freqtrade.freqtradebot import FreqtradeBot
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from freqtrade.main import main
from freqtrade.state import State
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from freqtrade.tests.conftest import (log_has, patch_exchange,
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patched_configuration_load_config_file)
from freqtrade.worker import Worker
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def test_parse_args_backtesting(mocker) -> None:
"""
Test that main() can start backtesting and also ensure we can pass some specific arguments
further argument parsing is done in test_arguments.py
"""
backtesting_mock = mocker.patch('freqtrade.optimize.start_backtesting', MagicMock())
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backtesting_mock.__name__ = PropertyMock("start_backtesting")
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# it's sys.exit(0) at the end of backtesting
with pytest.raises(SystemExit):
main(['backtesting'])
assert backtesting_mock.call_count == 1
call_args = backtesting_mock.call_args[0][0]
assert call_args.config == ['config.json']
assert call_args.verbosity == 0
assert call_args.subparser == 'backtesting'
assert call_args.func is not None
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assert call_args.ticker_interval is None
def test_main_start_hyperopt(mocker) -> None:
hyperopt_mock = mocker.patch('freqtrade.optimize.start_hyperopt', MagicMock())
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hyperopt_mock.__name__ = PropertyMock("start_hyperopt")
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# it's sys.exit(0) at the end of hyperopt
with pytest.raises(SystemExit):
main(['hyperopt'])
assert hyperopt_mock.call_count == 1
call_args = hyperopt_mock.call_args[0][0]
assert call_args.config == ['config.json']
assert call_args.verbosity == 0
assert call_args.subparser == 'hyperopt'
assert call_args.func is not None
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def test_main_fatal_exception(mocker, default_conf, caplog) -> None:
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patch_exchange(mocker)
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mocker.patch('freqtrade.freqtradebot.FreqtradeBot.cleanup', MagicMock())
mocker.patch('freqtrade.worker.Worker._worker', MagicMock(side_effect=Exception))
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patched_configuration_load_config_file(mocker, default_conf)
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mocker.patch('freqtrade.freqtradebot.RPCManager', MagicMock())
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mocker.patch('freqtrade.freqtradebot.persistence.init', MagicMock())
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args = ['-c', 'config.json.example']
# Test Main + the KeyboardInterrupt exception
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with pytest.raises(SystemExit):
main(args)
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assert log_has('Using config: config.json.example ...', caplog)
assert log_has('Fatal exception!', caplog)
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def test_main_keyboard_interrupt(mocker, default_conf, caplog) -> None:
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patch_exchange(mocker)
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mocker.patch('freqtrade.freqtradebot.FreqtradeBot.cleanup', MagicMock())
mocker.patch('freqtrade.worker.Worker._worker', MagicMock(side_effect=KeyboardInterrupt))
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patched_configuration_load_config_file(mocker, default_conf)
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mocker.patch('freqtrade.freqtradebot.RPCManager', MagicMock())
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mocker.patch('freqtrade.freqtradebot.persistence.init', MagicMock())
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args = ['-c', 'config.json.example']
# Test Main + the KeyboardInterrupt exception
with pytest.raises(SystemExit):
main(args)
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assert log_has('Using config: config.json.example ...', caplog)
assert log_has('SIGINT received, aborting ...', caplog)
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def test_main_operational_exception(mocker, default_conf, caplog) -> None:
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patch_exchange(mocker)
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mocker.patch('freqtrade.freqtradebot.FreqtradeBot.cleanup', MagicMock())
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mocker.patch(
'freqtrade.worker.Worker._worker',
MagicMock(side_effect=OperationalException('Oh snap!'))
)
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patched_configuration_load_config_file(mocker, default_conf)
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mocker.patch('freqtrade.freqtradebot.RPCManager', MagicMock())
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mocker.patch('freqtrade.freqtradebot.persistence.init', MagicMock())
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args = ['-c', 'config.json.example']
# Test Main + the KeyboardInterrupt exception
with pytest.raises(SystemExit):
main(args)
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assert log_has('Using config: config.json.example ...', caplog)
assert log_has('Oh snap!', caplog)
def test_main_reload_conf(mocker, default_conf, caplog) -> None:
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patch_exchange(mocker)
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mocker.patch('freqtrade.freqtradebot.FreqtradeBot.cleanup', MagicMock())
# Simulate Running, reload, running workflow
worker_mock = MagicMock(side_effect=[State.RUNNING,
State.RELOAD_CONF,
State.RUNNING,
OperationalException("Oh snap!")])
mocker.patch('freqtrade.worker.Worker._worker', worker_mock)
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patched_configuration_load_config_file(mocker, default_conf)
reconfigure_mock = mocker.patch('freqtrade.main.Worker._reconfigure', MagicMock())
mocker.patch('freqtrade.freqtradebot.RPCManager', MagicMock())
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mocker.patch('freqtrade.freqtradebot.persistence.init', MagicMock())
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args = Arguments(['-c', 'config.json.example']).get_parsed_arg()
worker = Worker(args=args, config=default_conf)
with pytest.raises(SystemExit):
main(['-c', 'config.json.example'])
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assert log_has('Using config: config.json.example ...', caplog)
assert worker_mock.call_count == 4
assert reconfigure_mock.call_count == 1
assert isinstance(worker.freqtrade, FreqtradeBot)
def test_reconfigure(mocker, default_conf) -> None:
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patch_exchange(mocker)
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mocker.patch('freqtrade.freqtradebot.FreqtradeBot.cleanup', MagicMock())
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mocker.patch(
'freqtrade.worker.Worker._worker',
MagicMock(side_effect=OperationalException('Oh snap!'))
)
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patched_configuration_load_config_file(mocker, default_conf)
mocker.patch('freqtrade.freqtradebot.RPCManager', MagicMock())
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mocker.patch('freqtrade.freqtradebot.persistence.init', MagicMock())
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args = Arguments(['-c', 'config.json.example']).get_parsed_arg()
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worker = Worker(args=args, config=default_conf)
freqtrade = worker.freqtrade
# Renew mock to return modified data
conf = deepcopy(default_conf)
conf['stake_amount'] += 1
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patched_configuration_load_config_file(mocker, conf)
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worker._config = conf
# reconfigure should return a new instance
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worker._reconfigure()
freqtrade2 = worker.freqtrade
# Verify we have a new instance with the new config
assert freqtrade is not freqtrade2
assert freqtrade.config['stake_amount'] + 1 == freqtrade2.config['stake_amount']