litellm/tests/unit/proxy/common_utils
devin-ai-integration[bot] e136e91273
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fix(router): keep the prompt caching affinity pin alive as long as the prefix's cache_control ttl (#46084)
* fix(router): keep the prompt caching affinity pin alive as long as the prefix's cache_control ttl

A prefix marked cache_control ttl 1h lost its pinned deployment after the fixed 300 s, so the next request went to another deployment and paid a cold cache. The pin TTL now follows the longest ephemeral breakpoint in the cacheable prefix, tools included: 3600 s for a 1h breakpoint and 300 s otherwise.

* fix(router): give prompt cache pins their own tier and honour any declared ttl

Pins now live in a DualCache of their own instead of the router's 200-slot
in-memory tier, so an hour-long pin no longer evicts cooldowns and rate windows.
The pin lifetime follows any <n>s|m|h cache_control ttl, floored at 300 s, not
only the literal "1h".

* fix(router): hash the pin ttl off the event loop and flush prompt cache pins with the router cache

Compute the cache_control ttl scan through offload_token_count beside the
prefix hash, clear the dedicated pin cache in Router.flush_cache, and point
the order-fallback and priority-group pin tests at the pin cache they read

* fix(router): pin 1h prefixes only on 1h-capable models, cap the pin at 1h, and give pins 10k in-memory slots

* fix(router): match the 1h pin gate to what Bedrock forwards

Bedrock deployments now decide the 1h pin with is_claude_4_5_on_bedrock,
the same check that decides whether the 1h ttl reaches Bedrock, so an
application inference profile ARN keeps a 5 minute pin whatever its
base_model prices

* test(router): give the anthropic_messages pin fixture its provider

* fix(router): let each pin write set its own lifetime and require a positive 1h price

In a group mixing 1h and 5m deployments the in-memory pin kept the lifetime of its first write, so a 5m deployment could hold an hour-long pin. Each write now clears the in-memory entry first, matching Redis. The Bedrock gate uses supports_bedrock_prompt_cache_ttl after #46058, and a zero 1h price no longer counts as 1h support.

* test(router): integration cells for the one-hour prompt cache pin lifetime

Cover every surface the pin lifetime touches: chat and /v1/messages through
both SDKs, the responses bridge, response-cache hits, each provider family's
1h gate, malformed and duplicated ttl values, rewrites of one prefix, mixed
and cross-group routing, concurrency, every Redis attach path, the in-memory
slot pressure without Redis reads, a Redis outage and a killed worker

* fix(caching): bound the in-memory expiry heap and count prompt cache pins in the memory debug routes

* test(integration): cover prompt cache pins in the memory debug routes and the bounded expiration heap

* fix(caching): serialize in-memory cache writes so a heap rebuild cannot lose another thread's expiry entry

* fix(caching): keep the in-memory cache bounded when entries have no usable expiry

* test(caching): cover the response cache bound when cached entries have no usable ttl

---------

Co-authored-by: mateo-berri <277851410+mateo-berri@users.noreply.github.com>
2026-10-14 21:10:09 -07:00
..
html_forms test(proxy): move middleware, spend_tracking, pass_through, common_utils and root proxy tests into tests/unit/proxy (#44015) 2026-10-01 18:23:31 +00:00
__init__.py ci: move tests/proxy_unit_tests to tests/unit/proxy and run the proxy-db shards from litellm-tests (#42903) 2026-09-24 22:59:11 +00:00
test_admin_ui_utils.py test(proxy): move middleware, spend_tracking, pass_through, common_utils and root proxy tests into tests/unit/proxy (#44015) 2026-10-01 18:23:31 +00:00
test_auth_cache_invalidation_pubsub.py test(unit): wait on the work itself instead of fixed sleeps (#46261) 2026-10-13 12:41:06 -07:00
test_cache_aware_routing.py refactor(proxy): expose public names for private proxy helpers (#45170) 2026-10-07 18:59:27 -07:00
test_cache_codec.py test(proxy): move middleware, spend_tracking, pass_through, common_utils and root proxy tests into tests/unit/proxy (#44015) 2026-10-01 18:23:31 +00:00
test_callback_config_validation.py feat(otel): let a team or key excluded_services override the global setting for its OTel v2 destination (#45880) 2026-10-12 19:25:52 -04:00
test_callback_utils.py test(proxy): move middleware, spend_tracking, pass_through, common_utils and root proxy tests into tests/unit/proxy (#44015) 2026-10-01 18:23:31 +00:00
test_check_batch_cost.py fix(proxy): save file details for every batch output file so they list and retrieve (#41761) 2026-10-08 18:51:45 -07:00
test_check_responses_cost.py fix(proxy): mark background responses stale_expired when provider returns 404 (#41724) 2026-10-08 10:35:52 -07:00
test_codex_model_catalog.py feat(proxy): serve a Codex-native model catalog with per-model service_tiers from /v1/models (#44136) 2026-10-03 20:42:55 +00:00
test_config_sync_pubsub.py test(proxy): move middleware, spend_tracking, pass_through, common_utils and root proxy tests into tests/unit/proxy (#44015) 2026-10-01 18:23:31 +00:00
test_credential_hydration.py feat(anthropic): workload identity federation and pluggable identity sources (#44448) 2026-10-03 17:08:30 -07:00
test_custom_openapi_spec.py docs(proxy): describe /v1/decisions and /v1/systemone in Swagger UI (#45838) 2026-10-10 21:04:59 +00:00
test_debug_utils.py fix(router): keep the prompt caching affinity pin alive as long as the prefix's cache_control ttl (#46084) 2026-10-14 21:10:09 -07:00
test_discoverable_model_filter.py test(proxy): move middleware, spend_tracking, pass_through, common_utils and root proxy tests into tests/unit/proxy (#44015) 2026-10-01 18:23:31 +00:00
test_encrypt_decrypt_utils.py refactor(proxy): expose public names for private proxy helpers (#45170) 2026-10-07 18:59:27 -07:00
test_error_body_call_id.py test(proxy): move middleware, spend_tracking, pass_through, common_utils and root proxy tests into tests/unit/proxy (#44015) 2026-10-01 18:23:31 +00:00
test_expired_ui_session_key_cleanup_manager.py test(proxy): move middleware, spend_tracking, pass_through, common_utils and root proxy tests into tests/unit/proxy (#44015) 2026-10-01 18:23:31 +00:00
test_fips.py feat(proxy): add LITELLM_FIPS_MODE startup gate with provider assertion and loud password migration failure (#42700) 2026-10-05 01:11:52 -07:00
test_get_routes.py test(proxy): move middleware, spend_tracking, pass_through, common_utils and root proxy tests into tests/unit/proxy (#44015) 2026-10-01 18:23:31 +00:00
test_http_parsing_utils.py refactor(lens): connect LiteLLM to the independent Lens service (#45529) 2026-10-09 16:17:05 -07:00
test_json_merge_patch.py test(proxy): move middleware, spend_tracking, pass_through, common_utils and root proxy tests into tests/unit/proxy (#44015) 2026-10-01 18:23:31 +00:00
test_key_rotation_e2e.py test(proxy): move middleware, spend_tracking, pass_through, common_utils and root proxy tests into tests/unit/proxy (#44015) 2026-10-01 18:23:31 +00:00
test_key_rotation_integration.py fix(security): remove the publicly known master key from the repo (#44718) 2026-10-06 10:55:24 -07:00
test_key_rotation_lock.py test(proxy): move middleware, spend_tracking, pass_through, common_utils and root proxy tests into tests/unit/proxy (#44015) 2026-10-01 18:23:31 +00:00
test_key_rotation_manager.py test(proxy): move middleware, spend_tracking, pass_through, common_utils and root proxy tests into tests/unit/proxy (#44015) 2026-10-01 18:23:31 +00:00
test_load_config_utils.py fix(security): remove the publicly known master key from the repo (#44718) 2026-10-06 10:55:24 -07:00
test_model_deprecation.py test(proxy): move middleware, spend_tracking, pass_through, common_utils and root proxy tests into tests/unit/proxy (#44015) 2026-10-01 18:23:31 +00:00
test_model_listing_utils.py test(proxy): move middleware, spend_tracking, pass_through, common_utils and root proxy tests into tests/unit/proxy (#44015) 2026-10-01 18:23:31 +00:00
test_openai_endpoint_utils.py test(proxy): move middleware, spend_tracking, pass_through, common_utils and root proxy tests into tests/unit/proxy (#44015) 2026-10-01 18:23:31 +00:00
test_openai_error_payload.py test(proxy): move middleware, spend_tracking, pass_through, common_utils and root proxy tests into tests/unit/proxy (#44015) 2026-10-01 18:23:31 +00:00
test_periodic_reload_schedule.py test(proxy): move middleware, spend_tracking, pass_through, common_utils and root proxy tests into tests/unit/proxy (#44015) 2026-10-01 18:23:31 +00:00
test_proxy_encrypt_decrypt.py fix(security): remove the publicly known master key from the repo (#44718) 2026-10-06 10:55:24 -07:00
test_rbac_utils.py refactor(proxy): expose public names for private proxy helpers (#45170) 2026-10-07 18:59:27 -07:00
test_realtime_cache.py refactor(proxy): expose public names for private proxy helpers (#45170) 2026-10-07 18:59:27 -07:00
test_registry_read_through.py feat(decisions): add Databricks ai_decide as a /v1/decisions provider and auto-router decider (#45200) 2026-10-09 16:19:23 -07:00
test_reset_budget_job.py test: move offline proxy auth, hook, spend and pass-through tests to tests/unit (#45568) 2026-10-09 09:49:13 -07:00
test_resource_ownership.py refactor(core_utils): move resource_ownership out of the proxy (#45805) 2026-10-10 21:02:53 +00:00
test_scheduled_job_stagger.py test(proxy): move middleware, spend_tracking, pass_through, common_utils and root proxy tests into tests/unit/proxy (#44015) 2026-10-01 18:23:31 +00:00
test_semantic_text_index.py fix(mcp): leave out tool texts too long to embed instead of failing tool search (#43554) 2026-10-14 14:53:00 -07:00
test_sse_keepalive.py test(proxy): move middleware, spend_tracking, pass_through, common_utils and root proxy tests into tests/unit/proxy (#44015) 2026-10-01 18:23:31 +00:00
test_static_asset_utils.py test(proxy): move middleware, spend_tracking, pass_through, common_utils and root proxy tests into tests/unit/proxy (#44015) 2026-10-01 18:23:31 +00:00
test_swagger_utils.py test(proxy): move middleware, spend_tracking, pass_through, common_utils and root proxy tests into tests/unit/proxy (#44015) 2026-10-01 18:23:31 +00:00
test_timezone_utils.py test(proxy): move middleware, spend_tracking, pass_through, common_utils and root proxy tests into tests/unit/proxy (#44015) 2026-10-01 18:23:31 +00:00
test_upsert_budget_membership.py feat(proxy): per-model team member budgets with router fallback (#43887) 2026-10-10 20:33:55 +00:00
test_user_api_key_cache.py test(proxy): move middleware, spend_tracking, pass_through, common_utils and root proxy tests into tests/unit/proxy (#44015) 2026-10-01 18:23:31 +00:00
test_validation_error_body.py fix(proxy): keep the submitted body out of 422 validation errors (#43231) 2026-09-25 17:05:53 -07:00