When a client disconnects mid-stream from a Bedrock pass-through endpoint, Starlette calls aclose() on the async generator, raising GeneratorExit (a BaseException, not Exception) at the suspended yield. The previous `except Exception` blocks in _async_streaming/_sync_streaming (litellm/passthrough/main.py) and PassThroughStreamingHandler.chunk_processor did not catch GeneratorExit, so the post-loop flush that hands collected raw bytes to async_flush_passthrough_collected_chunks / _route_streaming_logging_to_handler never ran. All per-chunk usage data was silently dropped, undercounting spend for interrupted Bedrock invoke and converse streams. Move the flush into a finally block in all three sites and guard with a `flush_scheduled` flag so the success path still flushes exactly once. Also pull raise_for_status() out of the chunk-collection try block in _async_streaming so 4xx/5xx responses still raise and don't enter the flush path with zero bytes (preserving the behavior tested by test_async_streaming_error_propagation.py). Add regression coverage: - test_async_streaming_flushes_on_client_disconnect - test_async_streaming_flushes_on_upstream_exception_with_partial_data - test_sync_streaming_flushes_on_early_close - test_chunk_processor_logs_on_client_disconnect plus baseline tests for normal completion and the 4xx no-flush path. Fixes LIT-2642. Co-authored-by: Mateo Wang <mateo-berri@users.noreply.github.com> |
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|---|---|---|
| .. | ||
| agent_tests | ||
| audio_tests | ||
| basic_proxy_startup_tests | ||
| batches_tests | ||
| benchmarks | ||
| code_coverage_tests | ||
| documentation_tests | ||
| enterprise | ||
| guardrails_tests | ||
| image_gen_tests | ||
| litellm | ||
| litellm_core_utils | ||
| litellm_utils_tests | ||
| litellm-proxy-extras | ||
| llm_responses_api_testing | ||
| llm_translation | ||
| load_tests | ||
| local_testing | ||
| logging_callback_tests | ||
| mcp_tests | ||
| multi_instance_e2e_tests | ||
| ocr_tests | ||
| old_proxy_tests/tests | ||
| openai_endpoints_tests | ||
| otel_tests | ||
| pass_through_tests | ||
| pass_through_unit_tests | ||
| proxy_admin_ui_tests | ||
| proxy_e2e_anthropic_messages_tests | ||
| proxy_security_tests | ||
| proxy_unit_tests | ||
| router_unit_tests | ||
| scim_tests | ||
| search_tests | ||
| spend_tracking_tests | ||
| store_model_in_db_tests | ||
| test_litellm | ||
| unified_google_tests | ||
| vector_store_tests | ||
| windows_tests | ||
| __init__.py | ||
| eval_swe_bench.py | ||
| gettysburg.wav | ||
| large_text.py | ||
| openai_batch_completions.jsonl | ||
| README.MD | ||
| test_budget_management.py | ||
| test_callbacks_on_proxy.py | ||
| test_config.py | ||
| test_debug_warning.py | ||
| test_default_encoding_non_root.py | ||
| test_end_users.py | ||
| test_entrypoint.py | ||
| test_fallbacks.py | ||
| test_gpt5_azure_temperature_support.py | ||
| test_health.py | ||
| test_keys.py | ||
| test_litellm_proxy_responses_config.py | ||
| test_logging.conf | ||
| test_models.py | ||
| test_new_vector_store_endpoints.py | ||
| test_openai_endpoints.py | ||
| test_organizations.py | ||
| test_otel_thread_leak.py | ||
| test_passthrough_endpoints.py | ||
| test_presidio_latency.py | ||
| test_proxy_server_non_root.py | ||
| test_ratelimit.py | ||
| test_resource_cleanup.py | ||
| test_service_logger_otel.py | ||
| test_spend_logs.py | ||
| test_team_logging.py | ||
| test_team_members.py | ||
| test_team.py | ||
| test_users.py | ||
In total litellm runs 1000+ tests
[02/20/2025] Update:
To make it easier to contribute and map what behavior is tested,
we've started mapping the litellm directory in tests/test_litellm
This folder can only run mock tests.