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dzentra_bot/app/tests/unit/integrations/exchange/test_service_quote.py

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# app/tests/unit/integrations/exchange/test_service_quote.py
from __future__ import annotations
from datetime import datetime, timedelta, timezone
from decimal import Decimal
from types import SimpleNamespace
from typing import cast
import pytest
import src.integrations.exchange.service as service_module
from src.core.config import Settings
from src.integrations.exchange.exceptions import ExchangeError
from src.integrations.exchange.market_cache import MarketPriceCache
from src.integrations.exchange.service import ExchangeService
from src.market_data.acquisition.models.quote import Quote
from src.storage.quote_store import InMemoryQuoteStore
def _service(*, exchange_enabled: bool = True) -> ExchangeService:
service = object.__new__(ExchangeService)
service.settings = cast(
Settings,
SimpleNamespace(
exchange_enabled=exchange_enabled,
default_symbol="BTC/USD_LEVERAGE",
),
)
return service
def _quote(*, age_seconds: float = 0.0) -> Quote:
return Quote(
symbol="BTC/USD_LEVERAGE",
last_price=Decimal("100"),
bid_price=Decimal("99"),
ask_price=Decimal("101"),
exchange_timestamp=None,
received_at=(
datetime.now(timezone.utc)
- timedelta(seconds=age_seconds)
),
source="test",
)
@pytest.fixture(autouse=True)
def reset_store():
original = MarketPriceCache._store
MarketPriceCache._store = InMemoryQuoteStore()
yield
MarketPriceCache._store = original
def test_get_quote_returns_fresh_cached_identity(
monkeypatch: pytest.MonkeyPatch,
) -> None:
service = _service()
quote = _quote()
MarketPriceCache.set_quote(quote, runtime_key="auto")
monkeypatch.setattr(
service,
"validate_symbol",
lambda _: SimpleNamespace(
is_valid=True,
normalized_symbol=quote.symbol,
message="",
),
)
monkeypatch.setattr(
service,
"_get_fresh_quote",
lambda _: (_ for _ in ()).throw(AssertionError("REST not expected")),
)
assert service.get_quote(quote.symbol, runtime_key="auto") is quote
def test_get_quote_refreshes_stale_quote(
monkeypatch: pytest.MonkeyPatch,
) -> None:
service = _service()
stale = _quote(age_seconds=10)
fresh = _quote()
MarketPriceCache.set_quote(stale, runtime_key="auto")
monkeypatch.setattr(
service,
"validate_symbol",
lambda _: SimpleNamespace(
is_valid=True,
normalized_symbol=fresh.symbol,
message="",
),
)
monkeypatch.setattr(service, "_get_fresh_quote", lambda _: fresh)
result = service.get_quote(fresh.symbol, runtime_key="auto")
assert result is fresh
assert MarketPriceCache.get_quote(fresh.symbol, runtime_key="auto") is fresh
def test_get_quote_wraps_acquisition_error(
monkeypatch: pytest.MonkeyPatch,
) -> None:
service = _service()
original = RuntimeError("unavailable")
monkeypatch.setattr(
service,
"_load_quote_via_acquisition",
lambda _: (_ for _ in ()).throw(original),
)
monkeypatch.setattr(service, "_log_exchange_error", lambda **_: None)
with pytest.raises(ExchangeError) as exc_info:
service._get_fresh_quote("BTC/USD_LEVERAGE")
assert exc_info.value.__cause__ is original
def test_refresh_quote_cache_forces_fresh_quote_and_preserves_identity(
monkeypatch: pytest.MonkeyPatch,
) -> None:
service = _service()
cached = _quote()
fresh = _quote()
MarketPriceCache.set_quote(cached, runtime_key="auto")
requested_symbols: list[str] = []
monkeypatch.setattr(
service,
"validate_symbol",
lambda symbol: SimpleNamespace(
is_valid=True,
normalized_symbol=(requested_symbols.append(symbol) or fresh.symbol),
message="",
),
)
monkeypatch.setattr(service, "_get_fresh_quote", lambda _: fresh)
result = service.refresh_quote_cache(
" btc/usd_leverage ",
runtime_key="auto",
)
assert requested_symbols == [" btc/usd_leverage "]
assert result is fresh
assert result is not cached
assert MarketPriceCache.get_quote(fresh.symbol, runtime_key="auto") is fresh
def test_refresh_quote_cache_uses_default_runtime_key(
monkeypatch: pytest.MonkeyPatch,
) -> None:
service = _service()
fresh = _quote()
monkeypatch.setattr(
service,
"validate_symbol",
lambda _: SimpleNamespace(
is_valid=True,
normalized_symbol=fresh.symbol,
message="",
),
)
monkeypatch.setattr(service, "_get_fresh_quote", lambda _: fresh)
result = service.refresh_quote_cache(fresh.symbol)
assert result is fresh
assert MarketPriceCache.get_quote(fresh.symbol, runtime_key="auto") is fresh
def test_refresh_quote_cache_normalizes_runtime_key(
monkeypatch: pytest.MonkeyPatch,
) -> None:
service = _service()
fresh = _quote()
monkeypatch.setattr(
service,
"validate_symbol",
lambda _: SimpleNamespace(
is_valid=True,
normalized_symbol=fresh.symbol,
message="",
),
)
monkeypatch.setattr(service, "_get_fresh_quote", lambda _: fresh)
result = service.refresh_quote_cache(
fresh.symbol,
runtime_key=" Debug_Auto ",
)
assert result is fresh
assert (
MarketPriceCache.get_quote(
fresh.symbol,
runtime_key="debug_auto",
)
is fresh
)
def test_refresh_quote_cache_rejects_invalid_symbol(
monkeypatch: pytest.MonkeyPatch,
) -> None:
service = _service()
monkeypatch.setattr(
service,
"validate_symbol",
lambda _: SimpleNamespace(
is_valid=False,
normalized_symbol="UNKNOWN/USD",
message="Символ не найден.",
),
)
monkeypatch.setattr(
service,
"_get_fresh_quote",
lambda _: (_ for _ in ()).throw(
AssertionError("Fresh Quote must not be requested.")
),
)
with pytest.raises(ExchangeError, match="Символ не найден"):
service.refresh_quote_cache("UNKNOWN/USD", runtime_key="auto")
def test_refresh_quote_cache_does_not_update_cache_on_acquisition_error(
monkeypatch: pytest.MonkeyPatch,
) -> None:
service = _service()
cached = _quote()
original = RuntimeError("unavailable")
MarketPriceCache.set_quote(cached, runtime_key="auto")
monkeypatch.setattr(
service,
"validate_symbol",
lambda _: SimpleNamespace(
is_valid=True,
normalized_symbol=cached.symbol,
message="",
),
)
monkeypatch.setattr(
service,
"_load_quote_via_acquisition",
lambda _: (_ for _ in ()).throw(original),
)
monkeypatch.setattr(service, "_log_exchange_error", lambda **_: None)
with pytest.raises(ExchangeError) as exc_info:
service.refresh_quote_cache(cached.symbol, runtime_key="auto")
assert exc_info.value.__cause__ is original
assert MarketPriceCache.get_quote(cached.symbol, runtime_key="auto") is cached
def test_refresh_quote_cache_uses_and_stores_mock_quote(
monkeypatch: pytest.MonkeyPatch,
) -> None:
service = _service(exchange_enabled=False)
mock = _quote()
monkeypatch.setattr(service_module, "mock_quote", lambda _: mock)
monkeypatch.setattr(
service,
"validate_symbol",
lambda _: (_ for _ in ()).throw(
AssertionError("Validation is not expected in mock mode.")
),
)
monkeypatch.setattr(
service,
"_get_fresh_quote",
lambda _: (_ for _ in ()).throw(
AssertionError("REST is not expected in mock mode.")
),
)
result = service.refresh_quote_cache(
"BTC/USD_LEVERAGE",
runtime_key="debug_auto",
)
assert result is mock
assert (
MarketPriceCache.get_quote(
mock.symbol,
runtime_key="debug_auto",
)
is mock
)