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https://github.com/BerriAI/litellm.git
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581b3e9692
Reported symptom: "Test model" in the UI hangs indefinitely, a new
device code appears in the proxy logs, and the whole UI is frozen.
Root cause: the ChatGPT **chat** transformation still used the
filesystem-only ``Authenticator`` unconditionally. When the UI's
``/health/test_connection`` runs in the default ``mode="chat"``:
UI → /health/test_connection (sync wait)
→ litellm.ahealth_check(mode="chat")
→ litellm.acompletion(...)
→ ChatGPTConfig._get_openai_compatible_provider_info(api_key="oauth:X")
→ self.authenticator.get_access_token() # filesystem authenticator
→ _login_device_code() # no tokens on disk → prints a new
# device code and polls for up to 15
# minutes, blocking the request
``ChatGPTResponsesAPIConfig`` already had the ``resolve_authenticator``
dispatch (the PR's original scope), so the responses-mode path was
fine. The chat path was overlooked.
Fix:
- Apply ``resolve_authenticator`` to both call-sites in
``ChatGPTConfig`` (``_get_openai_compatible_provider_info`` and
``validate_environment``). When ``api_key`` carries the ``oauth:``
prefix, both methods now reach for the DB-backed authenticator and
the stored credential — no device-code prompt, no 15-minute hang.
- Extend ``resolve_authenticator`` to the 3-arg shape
``(api_key, litellm_params, fallback)`` so it matches the Copilot
resolver and covers the chat call-site that has ``api_key`` but not
``litellm_params``. Updated the single existing call-site in
``responses/transformation.py`` and the existing unit tests.
- Add a regression test asserting that ``ChatGPTConfig`` never calls
the filesystem authenticator when ``api_key`` is ``oauth:<name>``
(fs_auth is a MagicMock that raises on any attribute access).
170 tests pass; Black + Ruff clean.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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|---|---|---|
| .. | ||
| a2a_protocol | ||
| anthropic_interface/exceptions | ||
| caching | ||
| completion_extras | ||
| containers | ||
| enterprise | ||
| expected_fine_tuning_api | ||
| expected_responses_api_request | ||
| experimental_mcp_client | ||
| google_genai | ||
| images | ||
| integrations | ||
| interactions | ||
| litellm_core_utils | ||
| llms | ||
| ocr | ||
| passthrough | ||
| proxy | ||
| responses | ||
| router_strategy | ||
| router_utils | ||
| secret_managers | ||
| test_router | ||
| types | ||
| vector_stores | ||
| __init__.py | ||
| conftest.py | ||
| log.txt | ||
| readme.md | ||
| test_a2a_registry_lookup.py | ||
| test_acompletion_session_reuse_e2e.py | ||
| test_add_deployment_no_master_key.py | ||
| test_aembedding_session_reuse_e2e.py | ||
| test_anthropic_beta_headers_filtering.py | ||
| test_anthropic_skills_transformation.py | ||
| test_azure_video_router.py | ||
| test_chat_ui_responses_session.py | ||
| test_claude_haiku_4_5_config.py | ||
| test_claude_opus_4_6_config.py | ||
| test_constants.py | ||
| test_container_router.py | ||
| test_cost_calculation_log_level.py | ||
| test_cost_calculator.py | ||
| test_count_tokens_public_api.py | ||
| test_deepseek_model_metadata.py | ||
| test_eager_tiktoken_load.py | ||
| test_exception_exports.py | ||
| test_exception_header_preservation.py | ||
| test_exception_mapping_request_attribute.py | ||
| test_filter_out_litellm_params.py | ||
| test_get_blog_posts.py | ||
| test_gpt_image_cost_calculator.py | ||
| test_groq_streaming_encoding.py | ||
| test_lazy_imports.py | ||
| test_litellm_params_reserved_keys.py | ||
| test_logging.py | ||
| test_lowest_latency_zero_tokens.py | ||
| test_main.py | ||
| test_model_cost_aliases.py | ||
| test_model_param_helper.py | ||
| test_model_response_normalization.py | ||
| test_nested_drop_params.py | ||
| test_project_alias_tracking.py | ||
| test_project_tags_pydantic.py | ||
| test_redis.py | ||
| test_register_model_custom_pricing.py | ||
| test_responses_api_bridge_non_stream.py | ||
| test_responses_id_security.py | ||
| test_router.py | ||
| test_router_google_genai.py | ||
| test_router_model_cost_isolation.py | ||
| test_router_order_fallback.py | ||
| test_router_per_deployment_num_retries.py | ||
| test_router_redis_init.py | ||
| test_router_retry_non_retryable_errors.py | ||
| test_router_silent_experiment.py | ||
| test_secret_redaction.py | ||
| test_service_logger.py | ||
| test_setup_wizard.py | ||
| test_shared_session_integration.py | ||
| test_ssl_verify_unit.py | ||
| test_stream_chunk_builder_annotations.py | ||
| test_streaming_connection_cleanup.py | ||
| test_system_message_format_bug.py | ||
| test_utils.py | ||
| test_uuid_helper.py | ||
| test_video_generation.py | ||
| test_xai_responses_auto_routing.py | ||
Testing for litellm/
This directory 1:1 maps the the litellm/ directory, and can only contain mocked tests.
The point of this is to:
- Increase test coverage of
litellm/ - Make it easy for contributors to add tests for the
litellm/package and easily run tests without needing LLM API keys.
File name conventions
litellm/proxy/test_caching_routes.pymaps tolitellm/proxy/caching_routes.pytest_<filename>.pymaps tolitellm/<filename>.py