stable/tests/plugins/test_pairlocks.py

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2020-10-25 09:54:30 +00:00
from datetime import datetime, timedelta, timezone
import arrow
import pytest
from freqtrade.persistence import PairLocks
from freqtrade.persistence.models import PairLock
@pytest.mark.parametrize('use_db', (False, True))
@pytest.mark.usefixtures("init_persistence")
def test_PairLocks(use_db):
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PairLocks.timeframe = '5m'
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# No lock should be present
if use_db:
assert len(PairLock.query.all()) == 0
else:
PairLocks.use_db = False
assert PairLocks.use_db == use_db
pair = 'ETH/BTC'
assert not PairLocks.is_pair_locked(pair)
PairLocks.lock_pair(pair, arrow.utcnow().shift(minutes=4).datetime)
# ETH/BTC locked for 4 minutes
assert PairLocks.is_pair_locked(pair)
# XRP/BTC should not be locked now
pair = 'XRP/BTC'
assert not PairLocks.is_pair_locked(pair)
# Unlocking a pair that's not locked should not raise an error
PairLocks.unlock_pair(pair)
PairLocks.lock_pair(pair, arrow.utcnow().shift(minutes=4).datetime)
assert PairLocks.is_pair_locked(pair)
# Get both locks from above
locks = PairLocks.get_pair_locks(None)
assert len(locks) == 2
# Unlock original pair
pair = 'ETH/BTC'
PairLocks.unlock_pair(pair)
assert not PairLocks.is_pair_locked(pair)
assert not PairLocks.is_global_lock()
pair = 'BTC/USDT'
# Lock until 14:30
lock_time = datetime(2020, 5, 1, 14, 30, 0, tzinfo=timezone.utc)
PairLocks.lock_pair(pair, lock_time)
assert not PairLocks.is_pair_locked(pair)
assert PairLocks.is_pair_locked(pair, lock_time + timedelta(minutes=-10))
assert not PairLocks.is_global_lock(lock_time + timedelta(minutes=-10))
assert PairLocks.is_pair_locked(pair, lock_time + timedelta(minutes=-50))
assert not PairLocks.is_global_lock(lock_time + timedelta(minutes=-50))
# Should not be locked after time expired
assert not PairLocks.is_pair_locked(pair, lock_time + timedelta(minutes=10))
locks = PairLocks.get_pair_locks(pair, lock_time + timedelta(minutes=-2))
assert len(locks) == 1
assert 'PairLock' in str(locks[0])
# Unlock all
PairLocks.unlock_pair(pair, lock_time + timedelta(minutes=-2))
assert not PairLocks.is_global_lock(lock_time + timedelta(minutes=-50))
# Global lock
PairLocks.lock_pair('*', lock_time)
assert PairLocks.is_global_lock(lock_time + timedelta(minutes=-50))
# Global lock also locks every pair seperately
assert PairLocks.is_pair_locked(pair, lock_time + timedelta(minutes=-50))
assert PairLocks.is_pair_locked('XRP/USDT', lock_time + timedelta(minutes=-50))
if use_db:
assert len(PairLock.query.all()) > 0
else:
# Nothing was pushed to the database
assert len(PairLock.query.all()) == 0
# Reset use-db variable
PairLocks.use_db = True