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* fix(otel): keep Arize OTel v2 regressions in check — O(n) fit, metadata slot, repr tool args Three regressions from #43698's OpenInference tool-call/metadata emission: 1. Metadata evicted indexed message attributes: the new `metadata` key competed for the 128-attribute span budget, and the fit sheds whole message groups BEFORE `span.set_attribute`, so the SDK's dropped counter stayed 0 — an invisible eviction (live A/B: input-message attributes 86 -> 84). Two-part fix: the fit pins `metadata` behind every message group (it sheds only once all indexed messages are gone), and the span budget no longer charges pre-set attributes the mappers overwrite in place — a boundary-opened LLM span already carries keys like `gen_ai.request.model`, so the old accounting reserved slots the fit could never spend. Live: 86 input-message attributes with the metadata attribute riding alongside. 2. Quadratic shed on long prompts: `_message_shed_groups` rescanned the full group map once per message (measured on a real acompletion: 0.032/0.128/0.478/1.910s at 1000/2000/4000/8000 messages vs 0.007/0.010/0.022/0.029s at base). Index the tool-call groups once by (family, message index): the fit is linear again (0.008/0.007/0.014/ 0.031s, same rig). 3. Malformed Python tool arguments lost the whole span: provider adapters and `model_construct` responses hand over raw objects, and `json.dumps` raises on tuple-keyed dicts (TypeError) and cycles (ValueError) before the span is exported. Serialize with a repr fallback; both cases now export with a readable arguments attribute. The attribute budget change affects every boundary-opened LLM-call span (strictly more attributes retained, never fewer); the mapper changes only touch the OpenInference vocabulary. * refactor(otel): build the tool-call group index in one shot Review follow-up: the dict.setdefault/append seeding in _tool_call_groups_by_message violated the no-mutation coding convention (AGENTS.md: build values in one shot with comprehensions or generators wrapped in tuple()/MappingProxyType()). Rebuild it as a sorted groupby comprehension; randomized parity harness confirms the shed order is byte-identical to the seeded version (400 trials). Also pin the overflow corner Greptile asked about: a pre-set indexed-message key the fit sheds keeps its earlier value in place, so the span total can never exceed the SDK limit (new emitter test). * fix(otel): key the groupby with an explicit tuple to keep basedpyright at budget The slice-keyed groupby (group[:2]) widened the key to tuple[str | int], adding one reportGeneralTypeIssues over the codebase ceiling. Key by the explicit (family, message index) pair instead; shed order unchanged (300-trial randomized parity harness). * fix(otel): read pre-set span keys through a helper typed for both runtime shapes The SDK annotates ReadableSpan.attributes as a Mapping, but an ended span hands back a tuple of pairs, so the inline isinstance branch narrowed to Never and pushed reportGeneralTypeIssues one over the codebase ceiling. Extract _carried_keys with the runtime union declared on the parameter; behavior unchanged. |
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| .. | ||
| _support | ||
| agent_tests | ||
| audio_tests | ||
| base_sdk_tests | ||
| basic_proxy_startup_tests | ||
| batches_tests | ||
| benchmarks | ||
| code_coverage_tests | ||
| documentation_tests | ||
| e2e | ||
| guardrails_tests | ||
| harness_e2e | ||
| image_gen_tests | ||
| integration | ||
| litellm_utils_tests | ||
| llm_responses_api_testing | ||
| llm_translation | ||
| load_tests | ||
| local_testing | ||
| logging_callback_tests | ||
| mcp_tests | ||
| multi_instance_e2e_tests | ||
| ocr_tests | ||
| openai_endpoints_tests | ||
| otel_tests | ||
| pass_through_tests | ||
| pass_through_unit_tests | ||
| proxy_admin_ui_tests | ||
| proxy_behavior | ||
| proxy_e2e_anthropic_messages_tests | ||
| proxy_migration_tests | ||
| proxy_security_tests | ||
| proxy_unit_tests | ||
| router_unit_tests | ||
| rust-python-harness | ||
| search_tests | ||
| spend_tracking_tests | ||
| store_model_in_db_tests | ||
| test_litellm | ||
| test_litellm_rust | ||
| unified_google_tests | ||
| unit | ||
| vector_store_tests | ||
| windows_tests | ||
| __init__.py | ||
| _fake_openai_endpoint_server.py | ||
| _flush_vcr_cache.py | ||
| _live_test_helpers.py | ||
| _openai_record_replay_proxy.py | ||
| _process_helpers.py | ||
| _vcr_conftest_common.py | ||
| _vcr_redis_persister.py | ||
| _wait_helpers.py | ||
| _ws_vcr.py | ||
| AGENTS.md | ||
| capturing_transport.py | ||
| eval_swe_bench.py | ||
| fake_openai_endpoint.py | ||
| gettysburg.wav | ||
| large_text.py | ||
| openai_batch_completions.jsonl | ||
| pyrightconfig.json | ||
| README.MD | ||
| test_anthropic_compaction_usage.py | ||
| test_budget_management.py | ||
| test_callbacks_on_proxy.py | ||
| test_debug_warning.py | ||
| test_default_encoding_non_root.py | ||
| test_end_users.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_otel_thread_leak.py | ||
| test_presidio_latency.py | ||
| test_proxy_server_non_root.py | ||
| test_ratelimit.py | ||
| test_resource_cleanup.py | ||
| test_rust_python_harness.py | ||
| test_service_logger_otel.py | ||
| test_spend_logs.py | ||
| test_team.py | ||
| test_team_logging.py | ||
| test_team_members.py | ||
| test_users.py | ||
| white_100x100.png | ||
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/unit
This folder can only run mock tests.