fix: Update UnprocessedRequest to match actual data (apify#1155)

### Description

Update `UnprocessedRequest` to match actual data.
Add test.

### Issues

- Closes: apify#1150

Author: Pijukatel

src/crawlee/storage_clients/models.py

@@ -224,7 +224,7 @@ class UnprocessedRequest(BaseModel):
 
     model_config = ConfigDict(populate_by_name=True)
 
-    unique_key: Annotated[str, Field(alias='requestUniqueKey')]
+    unique_key: Annotated[str, Field(alias='uniqueKey')]
     url: Annotated[str, BeforeValidator(validate_http_url), Field()]
     method: Annotated[HttpMethod | None, Field()] = None
 

tests/unit/storage_clients/_memory/test_memory_storage_client.py

@@ -11,6 +11,7 @@
 from crawlee._consts import METADATA_FILENAME
 from crawlee.configuration import Configuration
 from crawlee.storage_clients import MemoryStorageClient
+from crawlee.storage_clients.models import BatchRequestsOperationResponse
 
 
 async def test_write_metadata(tmp_path: Path) -> None:
@@ -267,3 +268,21 @@ async def test_parametrized_storage_path_overrides_env_var() -> None:
         Configuration(crawlee_storage_dir='./parametrized_storage_dir'),  # type: ignore[call-arg]
     )
     assert ms.storage_dir == './parametrized_storage_dir'
+
+
+async def test_batch_requests_operation_response() -> None:
+    """Test that `BatchRequestsOperationResponse` creation from example responses."""
+    process_request = {
+        'requestId': 'EAaArVRs5qV39C9',
+        'uniqueKey': 'https://example.com',
+        'wasAlreadyHandled': False,
+        'wasAlreadyPresent': True,
+    }
+    unprocess_request_full = {'uniqueKey': 'https://example2.com', 'method': 'GET', 'url': 'https://example2.com'}
+    unprocess_request_minimal = {'uniqueKey': 'https://example3.com', 'url': 'https://example3.com'}
+    BatchRequestsOperationResponse.model_validate(
+        {
+            'processedRequests': [process_request],
+            'unprocessedRequests': [unprocess_request_full, unprocess_request_minimal],
+        }
+    )