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litellm/tests/test_litellm
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Ishaan Jaff d12ce3cd5d
[Fix] VertexAI Pass through - fix regression that caused vertex ai passthroughs to stop working for router models (#19967) 
* fix(vertex_ai): replace custom model names with actual Vertex AI model names in passthrough URLs (#19948)

When the passthrough URL already contains project and location, the code
was skipping the deployment lookup and forwarding the URL as-is to Vertex AI.
For custom model names like gcp/google/gemini-2.5-flash, Vertex AI returned
404 because it only knows the actual model name (gemini-2.5-flash).

The fix makes the deployment lookup always run, so the custom model name
gets replaced with the actual Vertex AI model name before forwarding.

* add _resolve_vertex_model_from_router

* fix: get_llm_provider

* Potential fix for code scanning alert no. 4020: Clear-text logging of sensitive information

Co-authored-by: Copilot Autofix powered by AI <62310815+github-advanced-security[bot]@users.noreply.github.com>

---------

Co-authored-by: michelligabriele <gabriele.michelli@icloud.com>
Co-authored-by: Copilot Autofix powered by AI <62310815+github-advanced-security[bot]@users.noreply.github.com>
2026-01-28 16:54:01 -08:00
..
a2a_protocol [Fix] A2a Gateway - Allow supporting old A2a card formats (#19949) 2026-01-28 15:02:08 -08:00
anthropic_interface/exceptions [bug fix] do not fallback to token counter if disable_token_counter is enabled (#19041) 2026-01-13 16:53:38 -08:00
caching fix(redis): handle float redis_version from AWS ElastiCache Valkey (#16207) 2025-11-04 19:20:00 -08:00
completion_extras Add annotations to completions responses API bridge 2026-01-07 14:30:31 +05:30
containers fix: make HTTPHandler mockable in OIDC secret manager tests (#19803) 2026-01-26 11:00:42 -08:00
enterprise Fix broken mocks in 6 flaky tests to prevent real API calls (#19829) 2026-01-26 17:39:40 -08:00
experimental_mcp_client fix: FLAKY tests 2026-01-24 11:13:44 -08:00
google_genai test_stream_transformation_error_sync 2026-01-24 17:19:21 -08:00
images fix(image_edit): add drop_params support and fix Vertex AI config (#18077) 2025-12-17 11:28:34 +05:30
integrations Merge branch 'main' into litellm_oss_staging_01_27_2026 2026-01-27 17:11:15 +05:30
interactions fix: test_create_simple_string_input 2026-01-05 17:15:12 +05:30
litellm_core_utils Merge pull request #19847 from BerriAI/litellm_image_streaming_download 2026-01-27 17:47:35 +05:30
llms fix(vertex_ai): support model names with slashes in passthrough URLs (#19944) 2026-01-28 09:33:53 -08:00
passthrough fix test claude-sonnet-4-5-20250929 2025-10-31 18:13:29 -07:00
proxy [Fix] VertexAI Pass through - fix regression that caused vertex ai passthroughs to stop working for router models (#19967) 2026-01-28 16:54:01 -08:00
responses fix(responses): update local_vars with detected provider (#19782) (#19798) 2026-01-26 20:47:35 -08:00
router_strategy feat(tag-routing): support toggling tag matching between ANY and ALL (#18776) 2026-01-08 23:39:03 +05:30
router_utils [Feat] New Logging Integration - Azure Sentinel Logger (#18146) 2025-12-18 02:04:49 +05:30
secret_managers Fix broken mocks in 6 flaky tests to prevent real API calls (#19829) 2026-01-26 17:39:40 -08:00
types fix: extend case normalization to ALL guardrail types (not just tool_permission) (#18664) 2026-01-05 11:59:00 -08:00
vector_stores Fix broken mocks in 6 flaky tests to prevent real API calls (#19829) 2026-01-26 17:39:40 -08:00
__init__.py
conftest.py Perf speed up pytest (#15951) 2025-10-27 19:43:40 -07:00
log.txt fix: fix linting errors 2025-09-27 14:25:05 -07:00
readme.md
test_acompletion_session_reuse_e2e.py [Fix] - Sessions not being shared (#15388) 2025-10-09 16:57:40 -07:00
test_add_deployment_no_master_key.py fix: remove strict master_key check in add_deployment (#16453) 2025-11-10 19:23:13 -08:00
test_aembedding_session_reuse_e2e.py [Fix] - shared session parsing and usage issue (#15440) 2025-10-10 19:26:53 -07:00
test_azure_video_router.py Litellm sameer oct staging (#15806) 2025-10-24 12:17:22 -07:00
test_claude_haiku_4_5_config.py fix haiku-4-5 bedrock configs (#16732) 2025-11-17 19:52:01 -08:00
test_constants.py tes numeric constants 2025-10-29 18:23:38 -07:00
test_container_router.py Add E2E Container API Support (#16136) 2025-11-01 14:03:51 -07:00
test_cost_calculation_log_level.py
test_cost_calculator.py fix: token calculations and refactor (#19696) 2026-01-26 22:08:17 -08:00
test_eager_tiktoken_load.py Add LITELLM_DISABLE_LAZY_LOADING env var to fix VCR cassette creation issue (#18725) 2026-01-06 14:49:11 -08:00
test_exception_header_preservation.py fix: preserve llm_provider-* headers in error responses (#19020) 2026-01-14 22:49:39 +05:30
test_exception_mapping_request_attribute.py Added test 2025-09-29 21:43:31 +05:30
test_filter_out_litellm_params.py [Bug Fix] Exa Search API - ensure request params are sent to Exa AI (#15855) 2025-10-23 11:56:30 -07:00
test_gpt_image_cost_calculator.py Fix gpt-image-1.5 cost calculation not including output image tokens (#19515) 2026-01-22 19:42:15 -08:00
test_groq_streaming_encoding.py
test_lazy_imports.py Fix: test_token_counter_lazy_imports 2026-01-08 16:44:35 +05:30
test_logging.py
test_lowest_latency_zero_tokens.py fix: remove router inefficiencies (from O(M*N) to O(1)) - 62.5% faster P99 latency (#15046) 2025-09-29 15:49:46 -07:00
test_main.py fix: make HTTPHandler mockable in OIDC secret manager tests (#19803) 2026-01-26 11:00:42 -08:00
test_model_response_normalization.py Normalize OpenAI SDK BaseModel choices/messages to avoid Pydantic serializer warnings (#18972) 2026-01-14 03:40:11 +05:30
test_nested_drop_params.py feat: Replace jsonpath-ng with custom minimal parser for additional_drop_params 2025-12-09 17:30:30 +05:30
test_redis.py fix: Apply max_connections configuration to Redis async client (#15797) 2025-10-22 09:19:08 -07:00
test_responses_api_bridge_non_stream.py fix: Pydantic will fail to parse it because cached_tokens is required but not provided 2026-01-28 11:51:26 +05:30
test_responses_id_security.py fix(ui): use non-streaming method for endpoint v1/a2a/message/send in… (#19025) 2026-01-14 03:29:10 +05:30
test_router.py Manual revert #19078 2026-01-17 06:54:08 +09:00
test_router_google_genai.py test(gemini): Add unit tests for Google GenAI adapter 2025-09-29 18:51:35 +08:00
test_router_per_deployment_num_retries.py Bugfix/19481 num retries env var type (#19507) 2026-01-22 19:39:58 -08:00
test_router_silent_experiment.py feat: add feature to make silent calls (#19544) 2026-01-27 09:16:53 -08:00
test_shared_session_integration.py feat: Add shared_session parameter for aiohttp ClientSession reuse 2025-09-19 01:46:53 -07:00
test_ssl_verify_unit.py Fix/per service ssl override v2 (#19538) 2026-01-21 20:10:04 -08:00
test_system_message_format_bug.py
test_utils.py fix: drop_params not dropping prompt_cache_key for non-OpenAI providers 2026-01-19 08:49:03 -03:00
test_uuid_helper.py Fix: revert fastuuid optional dependency, always use fastuuid in .__uid helper (#14941) 2025-09-26 09:14:20 -07:00
test_video_generation.py test fixes 2026-01-24 14:08:48 -08:00

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