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use mocker for mocking to get rid of deep nesting

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This commit is contained in:
Janne Sinivirta 2017-10-01 15:25:10 +03:00
parent add6c875d6
commit ff145b6306
5 changed files with 228 additions and 232 deletions
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13
freqtrade/tests/test_analyze.py
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@ -1,6 +1,4 @@
# pragma pylint: disable=missing-docstring
from unittest.mock import patch
import pytest
import arrow
from pandas import DataFrame
@ -39,10 +37,11 @@ def test_populates_buy_trend(result):
assert 'buy' in dataframe.columns
assert 'buy_price' in dataframe.columns
def test_returns_latest_buy_signal():
def test_returns_latest_buy_signal(mocker):
buydf = DataFrame([{'buy': 1, 'date': arrow.utcnow()}])
with patch('freqtrade.analyze.analyze_ticker', return_value=buydf):
assert get_buy_signal('BTC-ETH') == True
mocker.patch('freqtrade.analyze.analyze_ticker', return_value=buydf)
assert get_buy_signal('BTC-ETH') == True
buydf = DataFrame([{'buy': 0, 'date': arrow.utcnow()}])
with patch('freqtrade.analyze.analyze_ticker', return_value=buydf):
assert get_buy_signal('BTC-ETH') == False
mocker.patch('freqtrade.analyze.analyze_ticker', return_value=buydf)
assert get_buy_signal('BTC-ETH') == False

43
freqtrade/tests/test_backtesting.py
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@ -2,7 +2,6 @@
import json
import logging
import os
from unittest.mock import patch
import pytest
import arrow
@ -41,30 +40,30 @@ def conf():
@pytest.mark.skipif(not os.environ.get('BACKTEST', False), reason="BACKTEST not set")
def test_backtest(conf, pairs):
def test_backtest(conf, pairs, mocker):
trades = []
with patch.dict('freqtrade.main._CONF', conf):
for pair in pairs:
with open('tests/testdata/'+pair+'.json') as data_file:
data = json.load(data_file)
mocker.patch.dict('freqtrade.main._CONF', conf)
for pair in pairs:
with open('tests/testdata/'+pair+'.json') as data_file:
data = json.load(data_file)
with patch('freqtrade.analyze.get_ticker', return_value=data):
with patch('arrow.utcnow', return_value=arrow.get('2017-08-20T14:50:00')):
ticker = analyze_ticker(pair)
# for each buy point
for index, row in ticker[ticker.buy == 1].iterrows():
trade = Trade(
open_rate=row['close'],
open_date=arrow.get(row['date']).datetime,
amount=1,
)
# calculate win/lose forwards from buy point
for index2, row2 in ticker[index:].iterrows():
if should_sell(trade, row2['close'], arrow.get(row2['date']).datetime):
current_profit = (row2['close'] - trade.open_rate) / trade.open_rate
mocker.patch('freqtrade.analyze.get_ticker', return_value=data)
mocker.patch('arrow.utcnow', return_value=arrow.get('2017-08-20T14:50:00'))
ticker = analyze_ticker(pair)
# for each buy point
for index, row in ticker[ticker.buy == 1].iterrows():
trade = Trade(
open_rate=row['close'],
open_date=arrow.get(row['date']).datetime,
amount=1,
)
# calculate win/lose forwards from buy point
for index2, row2 in ticker[index:].iterrows():
if should_sell(trade, row2['close'], arrow.get(row2['date']).datetime):
current_profit = (row2['close'] - trade.open_rate) / trade.open_rate
trades.append((pair, current_profit, index2 - index))
break
trades.append((pair, current_profit, index2 - index))
break
labels = ['currency', 'profit', 'duration']
results = DataFrame.from_records(trades, columns=labels)

132
freqtrade/tests/test_main.py
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@ -1,5 +1,5 @@
import copy
from unittest.mock import patch, MagicMock, call
from unittest.mock import MagicMock, call
import pytest
from jsonschema import validate
@ -46,77 +46,77 @@ def conf():
validate(configuration, CONF_SCHEMA)
return configuration
def test_create_trade(conf):
with patch.dict('freqtrade.main._CONF', conf):
with patch('freqtrade.main.get_buy_signal', side_effect=lambda _: True) as buy_signal:
with patch.multiple('freqtrade.main.telegram', init=MagicMock(), send_msg=MagicMock()):
with patch.multiple('freqtrade.main.exchange',
get_ticker=MagicMock(return_value={
'bid': 0.07256061,
'ask': 0.072661,
'last': 0.07256061
}),
buy=MagicMock(return_value='mocked_order_id')):
# Save state of current whitelist
whitelist = copy.deepcopy(conf['bittrex']['pair_whitelist'])
def test_create_trade(conf, mocker):
mocker.patch.dict('freqtrade.main._CONF', conf)
buy_signal = mocker.patch('freqtrade.main.get_buy_signal', side_effect=lambda _: True)
mocker.patch.multiple('freqtrade.main.telegram', init=MagicMock(), send_msg=MagicMock())
mocker.patch.multiple('freqtrade.main.exchange',
get_ticker=MagicMock(return_value={
'bid': 0.07256061,
'ask': 0.072661,
'last': 0.07256061
}),
buy=MagicMock(return_value='mocked_order_id'))
# Save state of current whitelist
whitelist = copy.deepcopy(conf['bittrex']['pair_whitelist'])
init(conf, 'sqlite://')
for pair in ['BTC_ETH', 'BTC_TKN', 'BTC_TRST', 'BTC_SWT']:
trade = create_trade(15.0, exchange.Exchange.BITTREX)
Trade.session.add(trade)
Trade.session.flush()
assert trade is not None
assert trade.open_rate == 0.072661
assert trade.pair == pair
assert trade.exchange == exchange.Exchange.BITTREX
assert trade.amount == 206.43811673387373
assert trade.stake_amount == 15.0
assert trade.is_open == True
assert trade.open_date is not None
assert whitelist == conf['bittrex']['pair_whitelist']
init(conf, 'sqlite://')
for pair in ['BTC_ETH', 'BTC_TKN', 'BTC_TRST', 'BTC_SWT']:
trade = create_trade(15.0, exchange.Exchange.BITTREX)
Trade.session.add(trade)
Trade.session.flush()
assert trade is not None
assert trade.open_rate == 0.072661
assert trade.pair == pair
assert trade.exchange == exchange.Exchange.BITTREX
assert trade.amount == 206.43811673387373
assert trade.stake_amount == 15.0
assert trade.is_open == True
assert trade.open_date is not None
assert whitelist == conf['bittrex']['pair_whitelist']
buy_signal.assert_has_calls(
[call('BTC_ETH'), call('BTC_TKN'), call('BTC_TRST'), call('BTC_SWT')]
)
buy_signal.assert_has_calls(
[call('BTC_ETH'), call('BTC_TKN'), call('BTC_TRST'), call('BTC_SWT')]
)
def test_handle_trade(conf):
with patch.dict('freqtrade.main._CONF', conf):
with patch.multiple('freqtrade.main.telegram', init=MagicMock(), send_msg=MagicMock()):
with patch.multiple('freqtrade.main.exchange',
get_ticker=MagicMock(return_value={
'bid': 0.17256061,
'ask': 0.172661,
'last': 0.17256061
}),
buy=MagicMock(return_value='mocked_order_id')):
trade = Trade.query.filter(Trade.is_open.is_(True)).first()
assert trade
handle_trade(trade)
assert trade.close_rate == 0.17256061
assert trade.close_profit == 137.4872490056564
assert trade.close_date is not None
assert trade.open_order_id == 'dry_run'
def test_handle_trade(conf, mocker):
mocker.patch.dict('freqtrade.main._CONF', conf)
mocker.patch.multiple('freqtrade.main.telegram', init=MagicMock(), send_msg=MagicMock())
mocker.patch.multiple('freqtrade.main.exchange',
get_ticker=MagicMock(return_value={
'bid': 0.17256061,
'ask': 0.172661,
'last': 0.17256061
}),
buy=MagicMock(return_value='mocked_order_id'))
trade = Trade.query.filter(Trade.is_open.is_(True)).first()
assert trade
handle_trade(trade)
assert trade.close_rate == 0.17256061
assert trade.close_profit == 137.4872490056564
assert trade.close_date is not None
assert trade.open_order_id == 'dry_run'
def test_close_trade(conf):
with patch.dict('freqtrade.main._CONF', conf):
trade = Trade.query.filter(Trade.is_open.is_(True)).first()
assert trade
def test_close_trade(conf, mocker):
mocker.patch.dict('freqtrade.main._CONF', conf)
trade = Trade.query.filter(Trade.is_open.is_(True)).first()
assert trade
# Simulate that there is no open order
trade.open_order_id = None
# Simulate that there is no open order
trade.open_order_id = None
closed = close_trade_if_fulfilled(trade)
assert closed
assert trade.is_open == False
closed = close_trade_if_fulfilled(trade)
assert closed
assert trade.is_open == False
def test_balance_fully_ask_side():
with patch.dict('freqtrade.main._CONF', {'bid_strategy': {'ask_last_balance': 0.0}}):
assert get_target_bid({'ask': 20, 'last': 10}) == 20
def test_balance_fully_ask_side(mocker):
mocker.patch.dict('freqtrade.main._CONF', {'bid_strategy': {'ask_last_balance': 0.0}})
assert get_target_bid({'ask': 20, 'last': 10}) == 20
def test_balance_fully_last_side():
with patch.dict('freqtrade.main._CONF', {'bid_strategy': {'ask_last_balance': 1.0}}):
assert get_target_bid({'ask': 20, 'last': 10}) == 10
def test_balance_fully_last_side(mocker):
mocker.patch.dict('freqtrade.main._CONF', {'bid_strategy': {'ask_last_balance': 1.0}})
assert get_target_bid({'ask': 20, 'last': 10}) == 10
def test_balance_when_last_bigger_than_ask():
with patch.dict('freqtrade.main._CONF', {'bid_strategy': {'ask_last_balance': 1.0}}):
assert get_target_bid({'ask': 5, 'last': 10}) == 5
def test_balance_when_last_bigger_than_ask(mocker):
mocker.patch.dict('freqtrade.main._CONF', {'bid_strategy': {'ask_last_balance': 1.0}})
assert get_target_bid({'ask': 5, 'last': 10}) == 5

34
freqtrade/tests/test_persistence.py
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@ -1,22 +1,20 @@
from unittest.mock import patch
from freqtrade.exchange import Exchange
from freqtrade.persistence import Trade
def test_exec_sell_order():
with patch('freqtrade.main.exchange.sell', side_effect='mocked_order_id') as api_mock:
trade = Trade(
pair='BTC_ETH',
stake_amount=1.00,
open_rate=0.50,
amount=10.00,
exchange=Exchange.BITTREX,
open_order_id='mocked'
)
profit = trade.exec_sell_order(1.00, 10.00)
api_mock.assert_called_once_with('BTC_ETH', 1.0, 10.0)
assert profit == 100.0
assert trade.close_rate == 1.0
assert trade.close_profit == profit
assert trade.close_date is not None
def test_exec_sell_order(mocker):
api_mock = mocker.patch('freqtrade.main.exchange.sell', side_effect='mocked_order_id')
trade = Trade(
pair='BTC_ETH',
stake_amount=1.00,
open_rate=0.50,
amount=10.00,
exchange=Exchange.BITTREX,
open_order_id='mocked'
)
profit = trade.exec_sell_order(1.00, 10.00)
api_mock.assert_called_once_with('BTC_ETH', 1.0, 10.0)
assert profit == 100.0
assert trade.close_rate == 1.0
assert trade.close_profit == profit
assert trade.close_date is not None

238
freqtrade/tests/test_telegram.py
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@ -1,5 +1,5 @@
from datetime import datetime
from unittest.mock import patch, MagicMock
from unittest.mock import MagicMock
import pytest
from jsonschema import validate
@ -56,137 +56,137 @@ class MagicBot(MagicMock, Bot):
pass
def test_status_handle(conf, update):
with patch.dict('freqtrade.main._CONF', conf):
with patch('freqtrade.main.get_buy_signal', side_effect=lambda _: True):
msg_mock = MagicMock()
with patch.multiple('freqtrade.main.telegram', _CONF=conf, init=MagicMock(), send_msg=msg_mock):
with patch.multiple('freqtrade.main.exchange',
get_ticker=MagicMock(return_value={
'bid': 0.07256061,
'ask': 0.072661,
'last': 0.07256061
}),
buy=MagicMock(return_value='mocked_order_id')):
init(conf, 'sqlite://')
def test_status_handle(conf, update, mocker):
mocker.patch.dict('freqtrade.main._CONF', conf)
mocker.patch('freqtrade.main.get_buy_signal', side_effect=lambda _: True)
msg_mock = MagicMock()
mocker.patch.multiple('freqtrade.main.telegram', _CONF=conf, init=MagicMock(), send_msg=msg_mock)
mocker.patch.multiple('freqtrade.main.exchange',
get_ticker=MagicMock(return_value={
'bid': 0.07256061,
'ask': 0.072661,
'last': 0.07256061
}),
buy=MagicMock(return_value='mocked_order_id'))
init(conf, 'sqlite://')
# Create some test data
trade = create_trade(15.0, exchange.Exchange.BITTREX)
assert trade
Trade.session.add(trade)
Trade.session.flush()
# Create some test data
trade = create_trade(15.0, exchange.Exchange.BITTREX)
assert trade
Trade.session.add(trade)
Trade.session.flush()
_status(bot=MagicBot(), update=update)
assert msg_mock.call_count == 2
assert '[BTC_ETH]' in msg_mock.call_args_list[-1][0][0]
_status(bot=MagicBot(), update=update)
assert msg_mock.call_count == 2
assert '[BTC_ETH]' in msg_mock.call_args_list[-1][0][0]
def test_profit_handle(conf, update):
with patch.dict('freqtrade.main._CONF', conf):
with patch('freqtrade.main.get_buy_signal', side_effect=lambda _: True):
msg_mock = MagicMock()
with patch.multiple('freqtrade.main.telegram', _CONF=conf, init=MagicMock(), send_msg=msg_mock):
with patch.multiple('freqtrade.main.exchange',
get_ticker=MagicMock(return_value={
'bid': 0.07256061,
'ask': 0.072661,
'last': 0.07256061
}),
buy=MagicMock(return_value='mocked_order_id')):
init(conf, 'sqlite://')
def test_profit_handle(conf, update, mocker):
mocker.patch.dict('freqtrade.main._CONF', conf)
mocker.patch('freqtrade.main.get_buy_signal', side_effect=lambda _: True)
msg_mock = MagicMock()
mocker.patch.multiple('freqtrade.main.telegram', _CONF=conf, init=MagicMock(), send_msg=msg_mock)
mocker.patch.multiple('freqtrade.main.exchange',
get_ticker=MagicMock(return_value={
'bid': 0.07256061,
'ask': 0.072661,
'last': 0.07256061
}),
buy=MagicMock(return_value='mocked_order_id'))
init(conf, 'sqlite://')
# Create some test data
trade = create_trade(15.0, exchange.Exchange.BITTREX)
assert trade
trade.close_rate = 0.07256061
trade.close_profit = 100.00
trade.close_date = datetime.utcnow()
trade.open_order_id = None
trade.is_open = False
Trade.session.add(trade)
Trade.session.flush()
# Create some test data
trade = create_trade(15.0, exchange.Exchange.BITTREX)
assert trade
trade.close_rate = 0.07256061
trade.close_profit = 100.00
trade.close_date = datetime.utcnow()
trade.open_order_id = None
trade.is_open = False
Trade.session.add(trade)
Trade.session.flush()
_profit(bot=MagicBot(), update=update)
assert msg_mock.call_count == 2
assert '(100.00%)' in msg_mock.call_args_list[-1][0][0]
_profit(bot=MagicBot(), update=update)
assert msg_mock.call_count == 2
assert '(100.00%)' in msg_mock.call_args_list[-1][0][0]
def test_forcesell_handle(conf, update):
with patch.dict('freqtrade.main._CONF', conf):
with patch('freqtrade.main.get_buy_signal', side_effect=lambda _: True):
msg_mock = MagicMock()
with patch.multiple('freqtrade.main.telegram', _CONF=conf, init=MagicMock(), send_msg=msg_mock):
with patch.multiple('freqtrade.main.exchange',
get_ticker=MagicMock(return_value={
'bid': 0.07256061,
'ask': 0.072661,
'last': 0.07256061
}),
buy=MagicMock(return_value='mocked_order_id')):
init(conf, 'sqlite://')
def test_forcesell_handle(conf, update, mocker):
mocker.patch.dict('freqtrade.main._CONF', conf)
mocker.patch('freqtrade.main.get_buy_signal', side_effect=lambda _: True)
msg_mock = MagicMock()
mocker.patch.multiple('freqtrade.main.telegram', _CONF=conf, init=MagicMock(), send_msg=msg_mock)
mocker.patch.multiple('freqtrade.main.exchange',
get_ticker=MagicMock(return_value={
'bid': 0.07256061,
'ask': 0.072661,
'last': 0.07256061
}),
buy=MagicMock(return_value='mocked_order_id'))
init(conf, 'sqlite://')
# Create some test data
trade = create_trade(15.0, exchange.Exchange.BITTREX)
assert trade
Trade.session.add(trade)
Trade.session.flush()
# Create some test data
trade = create_trade(15.0, exchange.Exchange.BITTREX)
assert trade
Trade.session.add(trade)
Trade.session.flush()
update.message.text = '/forcesell 1'
_forcesell(bot=MagicBot(), update=update)
update.message.text = '/forcesell 1'
_forcesell(bot=MagicBot(), update=update)
assert msg_mock.call_count == 2
assert 'Selling [BTC/ETH]' in msg_mock.call_args_list[-1][0][0]
assert '0.072561' in msg_mock.call_args_list[-1][0][0]
assert msg_mock.call_count == 2
assert 'Selling [BTC/ETH]' in msg_mock.call_args_list[-1][0][0]
assert '0.072561' in msg_mock.call_args_list[-1][0][0]
def test_performance_handle(conf, update):
with patch.dict('freqtrade.main._CONF', conf):
with patch('freqtrade.main.get_buy_signal', side_effect=lambda _: True):
msg_mock = MagicMock()
with patch.multiple('freqtrade.main.telegram', _CONF=conf, init=MagicMock(), send_msg=msg_mock):
with patch.multiple('freqtrade.main.exchange',
get_ticker=MagicMock(return_value={
'bid': 0.07256061,
'ask': 0.072661,
'last': 0.07256061
}),
buy=MagicMock(return_value='mocked_order_id')):
init(conf, 'sqlite://')
def test_performance_handle(conf, update, mocker):
mocker.patch.dict('freqtrade.main._CONF', conf)
mocker.patch('freqtrade.main.get_buy_signal', side_effect=lambda _: True)
msg_mock = MagicMock()
mocker.patch.multiple('freqtrade.main.telegram', _CONF=conf, init=MagicMock(), send_msg=msg_mock)
mocker.patch.multiple('freqtrade.main.exchange',
get_ticker=MagicMock(return_value={
'bid': 0.07256061,
'ask': 0.072661,
'last': 0.07256061
}),
buy=MagicMock(return_value='mocked_order_id'))
init(conf, 'sqlite://')
# Create some test data
trade = create_trade(15.0, exchange.Exchange.BITTREX)
assert trade
trade.close_rate = 0.07256061
trade.close_profit = 100.00
trade.close_date = datetime.utcnow()
trade.open_order_id = None
trade.is_open = False
Trade.session.add(trade)
Trade.session.flush()
# Create some test data
trade = create_trade(15.0, exchange.Exchange.BITTREX)
assert trade
trade.close_rate = 0.07256061
trade.close_profit = 100.00
trade.close_date = datetime.utcnow()
trade.open_order_id = None
trade.is_open = False
Trade.session.add(trade)
Trade.session.flush()
_performance(bot=MagicBot(), update=update)
assert msg_mock.call_count == 2
assert 'Performance' in msg_mock.call_args_list[-1][0][0]
assert 'BTC_ETH 100.00%' in msg_mock.call_args_list[-1][0][0]
_performance(bot=MagicBot(), update=update)
assert msg_mock.call_count == 2
assert 'Performance' in msg_mock.call_args_list[-1][0][0]
assert 'BTC_ETH 100.00%' in msg_mock.call_args_list[-1][0][0]
def test_start_handle(conf, update):
with patch.dict('freqtrade.main._CONF', conf):
msg_mock = MagicMock()
with patch.multiple('freqtrade.main.telegram', _CONF=conf, init=MagicMock(), send_msg=msg_mock):
init(conf, 'sqlite://')
def test_start_handle(conf, update, mocker):
mocker.patch.dict('freqtrade.main._CONF', conf)
msg_mock = MagicMock()
mocker.patch.multiple('freqtrade.main.telegram', _CONF=conf, init=MagicMock(), send_msg=msg_mock)
init(conf, 'sqlite://')
update_state(State.STOPPED)
assert get_state() == State.STOPPED
_start(bot=MagicBot(), update=update)
assert get_state() == State.RUNNING
assert msg_mock.call_count == 0
update_state(State.STOPPED)
assert get_state() == State.STOPPED
_start(bot=MagicBot(), update=update)
assert get_state() == State.RUNNING
assert msg_mock.call_count == 0
def test_stop_handle(conf, update):
with patch.dict('freqtrade.main._CONF', conf):
msg_mock = MagicMock()
with patch.multiple('freqtrade.main.telegram', _CONF=conf, init=MagicMock(), send_msg=msg_mock):
init(conf, 'sqlite://')
def test_stop_handle(conf, update, mocker):
mocker.patch.dict('freqtrade.main._CONF', conf)
msg_mock = MagicMock()
mocker.patch.multiple('freqtrade.main.telegram', _CONF=conf, init=MagicMock(), send_msg=msg_mock)
init(conf, 'sqlite://')
update_state(State.RUNNING)
assert get_state() == State.RUNNING
_stop(bot=MagicBot(), update=update)
assert get_state() == State.STOPPED
assert msg_mock.call_count == 1
assert 'Stopping trader' in msg_mock.call_args_list[0][0][0]
update_state(State.RUNNING)
assert get_state() == State.RUNNING
_stop(bot=MagicBot(), update=update)
assert get_state() == State.STOPPED
assert msg_mock.call_count == 1
assert 'Stopping trader' in msg_mock.call_args_list[0][0][0]