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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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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