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litellm/tests/test_litellm
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tin-berri 13db8cb140
fix(mcp): surface tools/list 401 auth failures as a challenge on single-server routes (#31921) 
A 401 while listing tools (a missing or expired per-user OAuth token, or an
upstream 401 for any auth_type) was swallowed to an empty tool list, so a
single-server client got a 200 with no tools and no WWW-Authenticate challenge
instead of a 401 it could re-authenticate against. Only oauth pass-through and
delegate-to-upstream oauth2 servers surfaced it; every other auth_type, and the
missing-token case for all of them, masked it.

The surface-vs-absorb decision now keys on the route, not the auth_type. An
upstream 401 in _fetch_tools_with_timeout becomes an MCPUpstreamAuthError
regardless of auth_type, and the per-user OAuth challenge raised during client
creation (a bare HTTPException 401 carrying a WWW-Authenticate header) is
converted to the same type in _get_tools_from_server. The challenge is scoped
to 401: a 403 (authenticated but forbidden, e.g. insufficient scope) is not a
re-auth signal and degrades to an empty list like any other non-auth error, and
the stdio-allowlist 403 (no challenge header) stays absorbed. The existing
routing then does the right thing: single-server routes turn the error into a
401 + WWW-Authenticate, while the multi-server aggregator absorbs it to an empty
list so one unauthenticated server does not fail the whole listing.

On the UI tools page, an OBO (per-user authorization_code) server now shows the
Authorize gate when the list call returns 401, not only when no credential row
exists. The backend already refreshes a still-refreshable token on the list
call, so a 401 means there is no valid token and none could be minted (expired
with no usable refresh token), which is exactly when the user must reauthorize.

(cherry picked from commit b9df7fa705)
2026-07-03 16:56:56 -07:00
..
a2a_protocol fix(a2a): forward agent_extra_headers through completion bridge (#28277) 2026-06-11 21:56:18 -07:00
anthropic_interface/exceptions style: run black formatter on files from main merge 2026-04-17 13:02:59 -07:00
caching fix(redis): loop-scope async Lua script registration (#31501) 2026-06-27 12:20:40 -07:00
completion_extras chore(oss): litellm oss staging 150626 (#30463) 2026-06-16 12:06:41 -07:00
containers fix(containers): record ownership for service-account keys + fix Prisma Json serialization (#28990) 2026-05-27 21:00:07 -07:00
enterprise chore: litellm oss staging (#30745) 2026-06-18 13:55:35 -07:00
expected_fine_tuning_api
expected_responses_api_request
experimental_mcp_client fix(mcp): stop logging tool-call input in MCP client (#31393) 2026-06-26 17:42:05 -07:00
google_genai chore: litellm oss staging 250626 (#31305) 2026-06-25 21:00:28 -07:00
images fix(image_edit): read vertex_project/location from litellm_params in Imagen get_complete_url 2026-04-21 15:03:40 +05:30
integrations feat(prometheus): add per-team litellm_team_members_metric gauge (#31506) 2026-06-27 12:19:50 -07:00
interactions chore: litellm oss staging (#30968) 2026-06-23 07:31:44 -07:00
litellm_core_utils fix(bedrock): honor ttl for tool_config cache injection points (#31929) 2026-07-03 16:52:15 -07:00
llms fix(bedrock): honor ttl for tool_config cache injection points (#31929) 2026-07-03 16:52:15 -07:00
models feat(litellm): add models and repository layers (#29686) 2026-06-06 20:59:33 -07:00
ocr feat(ocr): thin Rust OCR Python bridge (#31368) 2026-06-25 18:42:59 -07:00
passthrough refactor: trim explanatory comments from streaming-flush fix 2026-04-30 02:39:28 +00:00
proxy fix(mcp): surface tools/list 401 auth failures as a challenge on single-server routes (#31921) 2026-07-03 16:56:56 -07:00
repositories feat(litellm): add models and repository layers (#29686) 2026-06-06 20:59:33 -07:00
responses chore: litellm oss staging 250626 (#31305) 2026-06-25 21:00:28 -07:00
router_strategy chore: litellm oss staging (#31185) 2026-06-26 09:17:44 -07:00
router_utils chore: litellm oss staging (#31185) 2026-06-26 09:17:44 -07:00
sandbox feat: add opensandbox sandbox provider (#31024) 2026-06-23 09:05:13 -07:00
secret_managers chore: litellm oss staging160626 (#30527) 2026-06-16 18:23:13 -07:00
test_router
types refactor(completion): extract provider dispatch into typed helpers so basedpyright can analyze it (#30813) 2026-06-23 07:29:31 -07:00
vector_stores style: run black formatter on files from main merge 2026-04-17 13:02:59 -07:00
__init__.py
conftest.py style: run black formatter on files from main merge 2026-04-17 13:02:59 -07:00
log.txt
readme.md
test__types.py Litellm OSS Staging 010626 (#29422) 2026-06-01 21:42:51 -07:00
test_a2a_registry_lookup.py style: run black formatter on files from main merge 2026-04-17 13:02:59 -07:00
test_acompletion_session_reuse_e2e.py style: run black formatter on files from main merge 2026-04-17 13:02:59 -07:00
test_add_deployment_no_master_key.py style: run black formatter on files from main merge 2026-04-17 13:02:59 -07:00
test_aembedding_session_reuse_e2e.py style: run black formatter on files from main merge 2026-04-17 13:02:59 -07:00
test_anthropic_beta_headers_filtering.py chore(oss): litellm oss staging 120626 (#30292) 2026-06-12 09:49:25 -07:00
test_anthropic_skills_transformation.py fix: encode upstream URL path identifiers 2026-04-29 22:02:39 -07:00
test_anthropic_sonnet_1hr_cache_pricing.py chore: litellm oss staging160626 (#30527) 2026-06-16 18:23:13 -07:00
test_azure_ad_token_credential_resolution.py chore(oss): litellm oss staging 150626 (#30463) 2026-06-16 12:06:41 -07:00
test_azure_video_router.py style: run black formatter on files from main merge 2026-04-17 13:02:59 -07:00
test_batch_completion_models_all_responses.py test(batches): move orphan tests into tests/test_litellm for CI coverage (#30510) 2026-06-16 10:20:59 -07:00
test_bedrock_anthropic_1hr_cache_pricing.py Litellm oss staging 030626 (#29578) 2026-06-03 11:01:51 -07:00
test_bedrock_usgov_haiku_1hr_cache.py Litellm OSS Staging 010626 (#29422) 2026-06-01 21:42:51 -07:00
test_bedrock_usgov_pricing.py Litellm OSS Staging 010626 (#29422) 2026-06-01 21:42:51 -07:00
test_budget_ratchet_check.py chore(lint): widen ANN slack to 10% of baseline and drop PLR0913 from the strict gate (#31335) 2026-06-25 14:43:45 -07:00
test_chat_ui_responses_session.py style: run black formatter on files from main merge 2026-04-17 13:02:59 -07:00
test_check_licenses.py fix(check_licenses): read PEP 639 license-expression metadata (#28529) 2026-05-22 11:22:38 -07:00
test_check_type_discipline.py ci(lint): ratcheted type-discipline gate (mutable collections, casts, guards, kwargs, suppressions) (#30500) 2026-06-16 16:59:21 -07:00
test_claude_fable_5_config.py Add Claude Fable 5 across Anthropic, Bedrock, Vertex AI, and Azure AI (#30064) 2026-06-10 08:50:15 +05:30
test_claude_haiku_4_5_config.py feat(anthropic): add Claude Opus 4.8 and prune reasoning-effort flags (#29238) 2026-05-28 18:50:33 -07:00
test_claude_opus_4_6_config.py feat(anthropic): add Claude Opus 4.8 and prune reasoning-effort flags (#29238) 2026-05-28 18:50:33 -07:00
test_claude_opus_4_8_config.py fix(anthropic): route Claude Opus 4.8 through adaptive thinking (#29702) 2026-06-05 16:19:01 +05:30
test_claude_sonnet_4_6_config.py feat(anthropic): add Claude Opus 4.8 and prune reasoning-effort flags (#29238) 2026-05-28 18:50:33 -07:00
test_cloudflare_workers_ai_model_metadata.py feat(cloudflare): add current Workers AI text-generation models to the cost map (#31051) 2026-06-23 10:44:37 -07:00
test_command_r7b_pricing.py chore: litellm oss 170626 (#30637) 2026-06-17 21:11:12 -07:00
test_completion_timeout_resolution.py fix(router): honor litellm_settings.request_timeout as an independent per-attempt timeout (#31119) 2026-06-23 14:22:54 -07:00
test_compression.py Prompt Compression - add it to the proxy (#25729) 2026-04-20 15:08:00 -07:00
test_constants.py
test_container_router.py style: run black formatter on files from main merge 2026-04-17 13:02:59 -07:00
test_cost_calculation_log_level.py style: run black formatter on files from main merge 2026-04-17 13:02:59 -07:00
test_cost_calculator.py fix(realtime): stop revalidating realtime events at the logging boundary (#31054) 2026-06-22 20:43:03 -07:00
test_count_tokens_public_api.py style: run black formatter on files from main merge 2026-04-17 13:02:59 -07:00
test_dashscope_image_generation.py fix(dashscope): fail fast on image generation API errors 2026-04-23 18:41:01 +05:30
test_deepseek_model_metadata.py Revert "Merge pull request #16590 from Chesars/refactor/remove-backup-file-dry-principle" 2026-04-25 17:10:41 -03:00
test_dockerfile_non_root.py fix(docker.non_root): use numeric UID 65534 for K8s runAsNonRoot (#26268) 2026-04-22 18:00:04 -07:00
test_eager_tiktoken_load.py style: run black formatter on files from main merge 2026-04-17 13:02:59 -07:00
test_exception_exports.py style: run black formatter on files from main merge 2026-04-17 13:02:59 -07:00
test_exception_header_preservation.py style: run black formatter on files from main merge 2026-04-17 13:02:59 -07:00
test_exception_mapping_request_attribute.py style: run black formatter on files from main merge 2026-04-17 13:02:59 -07:00
test_filter_out_litellm_params.py style: run black formatter on files from main merge 2026-04-17 13:02:59 -07:00
test_get_blog_posts.py style: run black formatter on files from main merge 2026-04-17 13:02:59 -07:00
test_git_hooks.py chore(hooks): enforce Conventional Commits and Conventional Branches (#30174) 2026-06-11 10:00:23 -07:00
test_github_close_low_quality_prs.py feat(agent-shin): automated PR/issue triage, low-quality auto-close, and review-gate label lifecycle (#30433) 2026-06-17 20:42:27 -07:00
test_github_review_gate.py feat(agent-shin): automated PR/issue triage, low-quality auto-close, and review-gate label lifecycle (#30433) 2026-06-17 20:42:27 -07:00
test_github_triage_with_llm.py feat(agent-shin): automated PR/issue triage, low-quality auto-close, and review-gate label lifecycle (#30433) 2026-06-17 20:42:27 -07:00
test_github_triage_workflows.py fix(test): drop references to removed Agent Shin workflows (#30791) 2026-06-18 15:47:51 -07:00
test_gpt_5_5_model_metadata.py chore: litellm oss staging160626 (#30527) 2026-06-16 18:23:13 -07:00
test_gpt_image_cost_calculator.py chore: litellm oss staging (#31185) 2026-06-26 09:17:44 -07:00
test_groq_streaming_encoding.py style: run black formatter on files from main merge 2026-04-17 13:02:59 -07:00
test_guardrail_exception_status_codes.py Litellm oss staging (#28161) 2026-05-18 16:27:44 -07:00
test_lazy_imports.py style: run black formatter on files from main merge 2026-04-17 13:02:59 -07:00
test_litellm_params_reserved_keys.py
test_logging.py style: run black formatter on files from main merge 2026-04-17 13:02:59 -07:00
test_lowest_latency_zero_tokens.py style: run black formatter on files from main merge 2026-04-17 13:02:59 -07:00
test_main.py Litellm oss staging 040626 (#29671) 2026-06-04 11:07:20 -07:00
test_main_module_header.py Add main module header comment 2026-05-06 00:26:17 +00:00
test_mistral_medium_3_5_model_metadata.py fix(cost-map): retarget mistral-medium-latest to Medium 3.5 and add date-pinned aliases (#31373) 2026-06-25 18:27:18 -07:00
test_model_block_unblock.py feat: litellm oss 110626 (#30202) 2026-06-11 22:30:26 -07:00
test_model_cost_aliases.py
test_model_param_helper.py style: black format test_model_param_helper.py 2026-04-15 18:18:52 -07:00
test_model_response_normalization.py style: run black formatter on files from main merge 2026-04-17 13:02:59 -07:00
test_nested_drop_params.py style: run black formatter on files from main merge 2026-04-17 13:02:59 -07:00
test_openai_embedding_encoding_format_default.py fix(embeddings): allow omitting encoding_format via env sentinel none 2026-05-01 23:03:13 +05:30
test_project_alias_tracking.py
test_project_tags_pydantic.py
test_rag_openai_ingestion.py chore: litellm oss staging (#30745) 2026-06-18 13:55:35 -07:00
test_rate_limit_error_unification.py feat: standardize rate limit errors with category, rate_limit_type, model, and llm_provider fields (#27687) 2026-06-06 17:50:29 -07:00
test_redact_string_in_error_paths.py style: run black formatter on files from main merge 2026-04-17 13:02:59 -07:00
test_redis.py Litellm oss staging (#28161) 2026-05-18 16:27:44 -07:00
test_register_model_custom_pricing.py fix(register_model): preserve built-in cache pricing when registering custom overrides under unmapped keys (#30044) 2026-06-10 12:11:03 -07:00
test_register_model_zero_cost_persistence.py chore(oss): litellm oss staging 150626 (#30463) 2026-06-16 12:06:41 -07:00
test_responses_api_bridge_non_stream.py style: run black formatter on files from main merge 2026-04-17 13:02:59 -07:00
test_responses_id_security.py style: run black formatter on files from main merge 2026-04-17 13:02:59 -07:00
test_responses_streaming_container_ownership.py chore(oss): litellm oss staging 150626 (#30463) 2026-06-16 12:06:41 -07:00
test_retrieve_batch_bedrock_dispatch.py feat(batch-job): bedrock batch model invocation job retrieval (#26834) 2026-05-11 13:22:26 -07:00
test_router.py perf(proxy): bound event-loop blocking from oversized requests (#31497) 2026-06-27 12:06:48 -07:00
test_router_block_helpers.py feat: litellm oss 110626 (#30202) 2026-06-11 22:30:26 -07:00
test_router_exception_redaction.py chore: litellm oss 170626 (#30637) 2026-06-17 21:11:12 -07:00
test_router_google_genai.py style: run black formatter on files from main merge 2026-04-17 13:02:59 -07:00
test_router_model_cost_isolation.py fix(router): isolate all per-deployment pricing overrides from sibling deployments (#31021) 2026-06-23 00:11:22 -07:00
test_router_order_fallback.py chore: litellm oss staging160626 (#30527) 2026-06-16 18:23:13 -07:00
test_router_per_deployment_num_retries.py fix(router): guard num_retries=None in async_function_with_retries (#30036) 2026-06-23 10:16:15 -07:00
test_router_redis_init.py
test_router_retry_non_retryable_errors.py style: run black formatter on files from main merge 2026-04-17 13:02:59 -07:00
test_router_retry_policy_update.py fix(router): persist global retry_policy via /config/update (#29540) 2026-06-28 00:20:20 +00:00
test_router_silent_experiment.py style: run black formatter on files from main merge 2026-04-17 13:02:59 -07:00
test_router_streaming_fallback_metadata.py chore: litellm oss staging (#30968) 2026-06-23 07:31:44 -07:00
test_router_weighted_failover.py feat: add weighted-routing failover (#27980) 2026-05-15 17:28:54 +00:00
test_ruff_strict_gate.py feat(auth): resolve caller identity once into a Principal at the auth seam (#30887) 2026-06-20 18:49:41 -07:00
test_secret_redaction.py Litellm oss staging (#29492) 2026-06-02 08:48:10 -07:00
test_service_logger.py fix: missing span for guardrail passthrough (#29552) 2026-06-03 01:25:15 +00:00
test_setup_wizard.py
test_shared_session_integration.py style: run black formatter on files from main merge 2026-04-17 13:02:59 -07:00
test_ssl_verify_unit.py Litellm OSS Staging (#29161) 2026-06-01 21:22:35 -07:00
test_stream_chunk_builder_annotations.py
test_streaming_connection_cleanup.py style: run black formatter on files from main merge 2026-04-17 13:02:59 -07:00
test_system_message_format_bug.py style: run black formatter on files from main merge 2026-04-17 13:02:59 -07:00
test_thinking_enabled.py Litellm oss staging 250526 (#28770) 2026-05-26 11:57:39 -07:00
test_triage_rollout_heads_up.py feat(agent-shin): automated PR/issue triage, low-quality auto-close, and review-gate label lifecycle (#30433) 2026-06-17 20:42:27 -07:00
test_type_check_gate.py ci: make the basedpyright budget gate delta-vs-base (#31106) 2026-06-23 11:10:05 -07:00
test_type_discipline_gate.py ci(lint): ratcheted type-discipline gate (mutable collections, casts, guards, kwargs, suppressions) (#30500) 2026-06-16 16:59:21 -07:00
test_utils.py fix(bedrock): honor ttl for tool_config cache injection points (#31929) 2026-07-03 16:52:15 -07:00
test_utils_module_docstring.py Add utils module docstring 2026-05-06 00:42:49 +00:00
test_uuid_helper.py
test_vcr_safe_body_matcher.py test: stabilize batch VCR coverage and stop live upload/network leaks (#29477) 2026-06-02 16:11:52 -07:00
test_video_generation.py fix(vertex-ai): use DB credentials in video handlers + implement Veo video edit (#29098) 2026-05-28 11:45:41 -07:00
test_xai_grok_4_3_model_metadata.py feat(xai): add grok-4.3 and grok-4.3-latest to model_prices_and_conte… (#27154) 2026-05-07 09:06:56 -07:00
test_xai_responses_auto_routing.py style: run black formatter on files from main merge 2026-04-17 13:02:59 -07:00

readme.md

Testing for litellm/

This directory 1:1 maps the the litellm/ directory, and can only contain mocked tests.

The point of this is to:

  1. Increase test coverage of litellm/
  2. 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.py maps to litellm/proxy/caching_routes.py
  • test_<filename>.py maps to litellm/<filename>.py