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Better test rate-caching logic

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Matthias
2024-01-04 14:13:02 +01:00
parent abda629a72
commit b9786b979a
1 changed files with 20 additions and 5 deletions
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25
tests/exchange/test_exchange.py
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@@ -2548,25 +2548,40 @@ def test_get_entry_rate(mocker, default_conf, caplog, side, ask, bid,
@pytest.mark.parametrize('side,ask,bid,last,last_ab,expected', get_exit_rate_data)
def test_get_exit_rate(default_conf, mocker, caplog, side, bid, ask,
last, last_ab, expected) -> None:
last, last_ab, expected, time_machine) -> None:
caplog.set_level(logging.DEBUG)
start_dt = datetime(2023, 12, 1, 0, 10, 0, tzinfo=timezone.utc)
time_machine.move_to(start_dt, tick=False)
default_conf['exit_pricing']['price_side'] = side
if last_ab is not None:
default_conf['exit_pricing']['price_last_balance'] = last_ab
mocker.patch(f'{EXMS}.fetch_ticker', return_value={'ask': ask, 'bid': bid, 'last': last})
pair = "ETH/BTC"
log_msg = "Using cached exit rate for ETH/BTC."
# Test regular mode
exchange = get_patched_exchange(mocker, default_conf)
rate = exchange.get_rate(pair, side="exit", is_short=False, refresh=True)
assert not log_has("Using cached exit rate for ETH/BTC.", caplog)
assert not log_has(log_msg, caplog)
assert isinstance(rate, float)
assert rate == expected
# Use caching
rate = exchange.get_rate(pair, side="exit", is_short=False, refresh=False)
assert rate == expected
assert log_has("Using cached exit rate for ETH/BTC.", caplog)
caplog.clear()
assert exchange.get_rate(pair, side="exit", is_short=False, refresh=False) == expected
assert log_has(log_msg, caplog)
time_machine.move_to(start_dt + timedelta(minutes=29), tick=False)
# Caching still active - TTL didn't expire
caplog.clear()
assert exchange.get_rate(pair, side="exit", is_short=False, refresh=False) == expected
assert log_has(log_msg, caplog)
time_machine.move_to(start_dt + timedelta(minutes=32), tick=False)
# Caching expired - refresh forced
caplog.clear()
assert exchange.get_rate(pair, side="exit", is_short=False, refresh=False) == expected
assert not log_has(log_msg, caplog)
@pytest.mark.parametrize("entry,is_short,side,ask,bid,last,last_ab,expected", [