Добавлена обработка уведомлений через ручку

tests/controllers/v1/test_tbank_notifications.py

@@ -0,0 +1,120 @@
+import asyncio
+
+import httpx
+
+from app.controllers.v1.delivery import get_aggregator_service
+from app.main import create_app
+from app.schemas.payment import TBankPaymentNotification
+from app.services.aggregator import (
+    InvalidTBankPaymentNotificationError,
+    TBankPaymentNotificationProcessingError,
+)
+
+
+class StubAggregatorService:
+    def __init__(self, *, response: str = "OK", error: Exception | None = None) -> None:
+        self._response = response
+        self._error = error
+        self.calls: list[TBankPaymentNotification] = []
+
+    async def handle_tbank_payment_notification(
+        self,
+        notification: TBankPaymentNotification,
+    ) -> str:
+        self.calls.append(notification)
+        if self._error is not None:
+            raise self._error
+        return self._response
+
+
+def _install_service_override(app, service: StubAggregatorService) -> None:
+    async def override_service() -> StubAggregatorService:
+        return service
+
+    app.dependency_overrides[get_aggregator_service] = override_service
+
+
+def _valid_payload() -> dict[str, object]:
+    return {
+        "TerminalKey": "TestTerminal",
+        "OrderId": "order-uuid-1",
+        "Success": True,
+        "Status": "CONFIRMED",
+        "PaymentId": 8347568144,
+        "ErrorCode": "0",
+        "Amount": 125000,
+        "Token": "signed-token",
+        "Data": {"nested": "accepted by schema"},
+    }
+
+
+def _post_notification(app, payload: dict[str, object]) -> httpx.Response:
+    async def run_request() -> httpx.Response:
+        transport = httpx.ASGITransport(app=app)
+        async with httpx.AsyncClient(
+            transport=transport,
+            base_url="http://testserver",
+        ) as client:
+            return await client.post(
+                "/api/v1/delivery/tbank/notifications",
+                json=payload,
+            )
+
+    return asyncio.run(run_request())
+
+
+def test_post_tbank_notification_returns_plain_text_ok_and_delegates_once() -> None:
+    service = StubAggregatorService(response="OK")
+    app = create_app()
+    _install_service_override(app, service)
+
+    response = _post_notification(app, _valid_payload())
+
+    assert response.status_code == 200
+    assert response.text == "OK"
+    assert response.headers["content-type"].startswith("text/plain")
+    assert service.calls == [TBankPaymentNotification(**_valid_payload())]
+
+
+def test_post_tbank_notification_maps_invalid_token_to_400() -> None:
+    service = StubAggregatorService(
+        error=InvalidTBankPaymentNotificationError("invalid token")
+    )
+    app = create_app()
+    _install_service_override(app, service)
+
+    response = _post_notification(app, _valid_payload())
+
+    assert response.status_code == 400
+    assert response.json()["detail"]["code"] == "invalid_tbank_payment_notification"
+    assert service.calls == [TBankPaymentNotification(**_valid_payload())]
+
+
+def test_post_tbank_notification_maps_processing_failure_to_503() -> None:
+    service = StubAggregatorService(
+        error=TBankPaymentNotificationProcessingError("temporary failure")
+    )
+    app = create_app()
+    _install_service_override(app, service)
+
+    response = _post_notification(app, _valid_payload())
+
+    assert response.status_code == 503
+    assert (
+        response.json()["detail"]["code"]
+        == "tbank_payment_notification_processing_unavailable"
+    )
+    assert service.calls == [TBankPaymentNotification(**_valid_payload())]
+
+
+def test_post_tbank_notification_rejects_invalid_payload_without_service_call() -> None:
+    service = StubAggregatorService()
+    app = create_app()
+    _install_service_override(app, service)
+    payload = _valid_payload()
+    del payload["Token"]
+
+    response = _post_notification(app, payload)
+
+    assert response.status_code == 422
+    assert service.calls == []