fix: remove unnecessary 'method' key from API request data and improve error handling for expired cookies and non-200 HTTP responses

tests/008_test_call.py

@@ -1,10 +1,13 @@
 """Unit tests for FragmentClient.call() — raw Fragment API access."""
 
-from unittest.mock import AsyncMock, patch
+from unittest.mock import AsyncMock, MagicMock, patch
 
+import httpx
 import pytest
 
 from pyfragment import FragmentClient
+from pyfragment.types import FragmentPageError
+from pyfragment.utils.http import fragment_request
 from tests.shared import FAKE_HASH, FAKE_RESPONSE
 
 # client.call() mocked tests
@@ -61,3 +64,19 @@ async def test_call_merges_extra_data(client: FragmentClient) -> None:
 
     _, _, _, sent_data = mock_request.call_args.args
     assert sent_data == {"method": "anyMethod", "key": "value", "num": 7}
+
+
+# fragment_request HTTP status tests
+
+
+@pytest.mark.asyncio
+async def test_fragment_request_non_200_raises() -> None:
+    """fragment_request raises FragmentPageError on non-200 HTTP responses."""
+    response = MagicMock(spec=httpx.Response)
+    response.status_code = 429
+
+    session = AsyncMock(spec=httpx.AsyncClient)
+    session.post = AsyncMock(return_value=response)
+
+    with pytest.raises(FragmentPageError, match="429"):
+        await fragment_request(session, FAKE_HASH, {}, {"method": "anyMethod"})