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litellm/tests
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Cursor Agent f9412d6811 fix(mcp): add defensive None checks to prevent NoneType errors in back-to-back MCP calls 
Fixed the 'argument of type NoneType is not iterable' error that occurred when
making back-to-back MCP Responses API calls. The issue was caused by missing
defensive checks for None values in several places:

1. _get_allowed_mcp_servers_from_mcp_server_names: Added None check for
   allowed_mcp_servers parameter before iteration

2. _get_mcp_tools_from_manager: Added defensive checks to ensure
   allowed_mcp_server_ids and allowed_mcp_servers are always lists

3. _deduplicate_mcp_tools: Added None checks for both mcp_tools and
   allowed_mcp_servers parameters

4. _filter_mcp_tools_by_allowed_tools: Added None checks for both
   mcp_tools and mcp_tools_with_litellm_proxy parameters

5. _extract_mcp_headers_from_params in streaming iterator: Added
   try-catch and hasattr check to safely iterate over tools

6. _create_initial_response_iterator: Improved error handling and
   added validation for tools parameter

Added test test_mcp_handler_none_defensive_checks to verify the fix.

Co-authored-by: ishaan <ishaan@berri.ai>
2026-01-23 19:20:02 +00:00
..
agent_tests Fix CI: Revert security scan changes and add GitGuardian ignore rules (#18358) 2025-12-22 17:03:53 -08:00
audio_tests [Feat] New provider TTS - Add AWS polly API for TTS (#18326) 2025-12-22 18:19:34 +05:30
basic_proxy_startup_tests Fix: remove merge markdown (#17586) 2025-12-06 05:38:16 -08:00
batches_tests chore: remove unused test files from repository root (#19150) 2026-01-16 02:34:41 +05:30
code_coverage_tests [Feat] New LiteLLM Policy engine - create policies to manage guardrails, conditions - permissions per Key, Team (#19612) 2026-01-22 19:49:53 -08:00
documentation_tests fix: test_env_keys 2026-01-20 18:37:56 +05:30
enterprise updating promethus tests 2026-01-22 11:01:01 -08:00
guardrails_tests Merge branch 'main' into litellm_staging_01_19_2026 2026-01-20 19:19:36 +05:30
image_gen_tests Fix: imagegeneration@006 has been deprecated 2026-01-22 18:24:59 +05:30
litellm [Fix] UI Cost Estimator - Fix model dropdown (#19529) 2026-01-21 20:19:40 -08:00
litellm-proxy-extras fix: add case-insensitive support for guardrail mode and actions (#19480) 2026-01-21 20:52:57 -08:00
litellm_core_utils fix(bedrock): deduplicate tool calls in assistant history (#15178) (#19324) 2026-01-19 10:56:49 -08:00
litellm_utils_tests feat: hashicorp vault rotate support 2026-01-23 17:32:55 +09:00
llm_responses_api_testing Fix: Responses API logging error for StopIteration 2026-01-23 18:42:33 +05:30
llm_translation Merge pull request #19548 from BerriAI/litellm_staging_01_22_2026 2026-01-23 20:03:11 +05:30
load_tests Add memory leak detection tests with CI integration (#18881) 2026-01-09 17:36:10 -08:00
local_testing Merge pull request #19638 from BerriAI/main 2026-01-23 14:54:17 +05:30
logging_callback_tests test: update langfuse trace_id tests to use litellm_trace_id 2026-01-22 06:19:43 +09:00
mcp_tests fix(mcp): add defensive None checks to prevent NoneType errors in back-to-back MCP calls 2026-01-23 19:20:02 +00:00
multi_instance_e2e_tests fix: use fastuuid helper (#14903) 2025-09-25 15:47:01 -07:00
ocr_tests OCR test fixes 2026-01-11 08:00:31 -08:00
old_proxy_tests/tests remove prompt caching headers as the support has been removed 2026-01-02 11:08:35 +05:30
openai_endpoints_tests test_e2e_batches_files 2025-11-27 09:14:43 -08:00
otel_tests User metrics for promethus 2026-01-07 15:05:09 -08:00
pass_through_tests test_anthropic_messages_to_wildcard_model 2026-01-07 15:03:06 +05:30
pass_through_unit_tests Merge pull request #19638 from BerriAI/main 2026-01-23 14:54:17 +05:30
proxy_admin_ui_tests Revert "Revert "[Feature] Deleted Keys and Deleted Teams Table"" 2026-01-16 14:25:23 -08:00
proxy_security_tests test fix 2025-10-04 10:57:02 -07:00
proxy_unit_tests fix mock_handler 2026-01-20 18:01:22 -08:00
router_unit_tests Fix extract_cacheable_prefix to handle string content with message-level cache_control (fixes #19228) 2026-01-17 10:35:40 +05:30
scim_tests [Feat SSO] Add LiteLLM SCIM Integration for Team and User management (#10072) 2025-04-16 19:21:47 -07:00
search_tests skip brave tests 2026-01-22 10:50:23 -08:00
spend_tracking_tests increasing time for spend tracking 2026-01-20 16:31:25 -08:00
store_model_in_db_tests fix: test mock 2026-01-02 17:38:52 +09:00
test_litellm fix #19620: SSO user roles are not updated for existing users (#19621) 2026-01-23 09:05:29 -08:00
unified_google_tests Revert "[Infra] Changing Google Tests to use Gemini 3 Flash Preview" 2026-01-20 17:32:10 -08:00
vector_store_tests [Feat] Add new Rag Search API / Query API with rerankers (#18217) 2025-12-19 19:05:07 +05:30
windows_tests [Bug Fix] UnicodeDecodeError: 'charmap' on Windows during litellm import (#10542) 2025-05-03 21:31:05 -07:00
__init__.py [Feat] Add github co-pilot as a new LLM API provider (#12325) 2025-07-04 13:12:16 -07:00
gettysburg.wav
large_text.py
openai_batch_completions.jsonl
README.MD [Feat] MCP Gateway Fine-grained Tools Addition (#15153) 2025-10-03 10:16:29 -07:00
test_budget_management.py fix: use fastuuid helper (#14903) 2025-09-25 15:47:01 -07:00
test_callbacks_on_proxy.py Fix CI: Revert security scan changes and add GitGuardian ignore rules (#18358) 2025-12-22 17:03:53 -08:00
test_config.py fix: use fastuuid helper (#14903) 2025-09-25 15:47:01 -07:00
test_debug_warning.py
test_default_encoding_non_root.py fix: resolve Read-only file system error in non-root images (#19449) 2026-01-20 19:00:52 -08:00
test_end_users.py fix: use fastuuid helper (#14903) 2025-09-25 15:47:01 -07:00
test_entrypoint.py
test_fallbacks.py Ollama Chat - parse tool calls on streaming (#11171) 2025-05-27 16:14:49 -07:00
test_gpt5_azure_temperature_support.py Fix: Azure GPT-5 incorrectly routed to O-series config (temperature parameter unsupported) (#16246) 2025-11-07 10:24:27 -08:00
test_health.py
test_keys.py Adding retries to flaky tests 2026-01-22 15:21:44 -08:00
test_litellm_proxy_responses_config.py Add native Responses API support for litellm_proxy provider (#15347) 2025-10-08 18:31:26 -07:00
test_logging.conf
test_models.py test_add_model_run_health 2025-09-27 10:59:25 -07:00
test_openai_endpoints.py test fix claude-sonnet-4-5-20250929 2025-10-28 19:05:13 -07:00
test_organizations.py Adding retries to flaky tests 2026-01-22 15:21:44 -08:00
test_passthrough_endpoints.py fix: update authorization header to use 'Bearer' instead of 'bearer' 2025-09-21 10:44:47 +00:00
test_proxy_server_non_root.py Fix: litellm/tests/test_proxy_server_non_root.py 2026-01-23 08:58:56 +05:30
test_ratelimit.py test_async_rate_limit 2025-11-15 10:34:24 -08:00
test_resource_cleanup.py Fix: Properly close aiohttp client sessions to prevent resource leaks (#12251) 2025-07-09 09:25:17 -07:00
test_service_logger_otel.py fix(langfuse_otel): ignore service logs and fix callback shadowing (#19298) 2026-01-19 05:53:47 -08:00
test_spend_logs.py Fix CI: Revert security scan changes and add GitGuardian ignore rules (#18358) 2025-12-22 17:03:53 -08:00
test_team.py fix(test): Fix test_users_in_team_budget to create user with team_id (#18297) 2025-12-20 12:30:30 -08:00
test_team_logging.py fix: use fastuuid helper (#14903) 2025-09-25 15:47:01 -07:00
test_team_members.py fix: use fastuuid helper (#14903) 2025-09-25 15:47:01 -07:00
test_users.py fix: use fastuuid helper (#14903) 2025-09-25 15:47:01 -07:00

README.MD

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.