fix cdek client

tests/services/test_aggregator.py

@@ -1,9 +1,12 @@
 import asyncio
 from decimal import Decimal
 
+import pytest
+
+from app.adapters.delivery_providers.base import ProviderRequestError
 from app.schemas.request import DeliveryEntity, DeliveryRequest
 from app.schemas.response import DeliveryPrice
-from app.services.aggregator import AggregatorService
+from app.services.aggregator import AggregatorService, InvalidDeliveryRequestError
 
 
 _MISSING = object()
@@ -117,6 +120,19 @@ def test_get_all_prices_all_failures_returns_empty_list() -> None:
     assert len(provider_b.calls) == 1
 
 
+def test_get_all_prices_raises_invalid_request_for_provider_request_errors() -> None:
+    provider = StubProvider(
+        name="cdek",
+        error=ProviderRequestError("city not found"),
+    )
+    service = AggregatorService([provider], cache=StubCache())
+
+    with pytest.raises(InvalidDeliveryRequestError):
+        asyncio.run(service.get_all_prices(_make_request()))
+
+    assert len(provider.calls) == 1
+
+
 def test_get_all_prices_cache_hit_skips_provider_call() -> None:
     cached_payload = _make_price("cdek", "99.00").model_dump(mode="json")
     cache = StubCache(forced_get_value=cached_payload)
@@ -152,4 +168,3 @@ def test_get_all_prices_delegates_filtering_and_sorting_to_domain_logic() -> Non
 
     assert [price.provider for price in delegated_inputs[0]] == ["a", "b"]
     assert [price.provider for price in result] == ["a"]
-