* fix(router): drop the encrypted reasoning a fallback hop's target cannot decrypt
An order-based or configured fallback hop replayed the failed provider's
encrypted reasoning items to the next deployment, which answered 400
(Bedrock Mantle: invalid encrypted reasoning; OpenAI:
invalid_encrypted_content), so every multi-turn Responses fallback for
Codex-style clients failed. The hop now drops the encrypted reasoning
its target cannot decrypt and keeps each item's readable summary. With
encrypted_content_affinity on, the pin narrows to the hop's target
order instead of emptying it, so the hop reaches the next order
instead of failing with no deployments available.
* fix(router): keep encrypted reasoning a same-boundary fallback hop can decrypt
Unmarked encrypted reasoning on a hop is attributed to the deployment that just
failed, read from the retry breadcrumb, so a hop to a deployment on the same
api_base and api_key keeps it and a cross-provider hop still drops it. The hop
tests script the upstream at the httpx boundary instead of doubling the handler,
and the router coverage script lists the two hop helpers with their tests
* fix(router): read the hop's failed deployment from its own metadata bucket and carry it into the Responses mid-stream snapshot
* test(router): use a real Router without the origin deployment in the hop strip test
* test(router): cover the hop strip when no failed deployment is known
* fix(proxy): drop the router's fallback hop state keys from the client body
* fix(proxy): keep a request's max_fallbacks cap, drop only the hop state keys
* test(integration): audit cells for the fallback hop encrypted reasoning strip
Forty-five checked-in cells under tests/integration/routing prove the hop strips the previous deployment's encrypted reasoning on /v1/responses, /v1/chat/completions and /v1/messages (httpx, OpenAI and Anthropic SDKs, sync and async, streaming and not), that the affinity pin yields to the hop, that a client-sent fallback_depth, _target_order and attempted_targets never move or strip a request, and that a concurrent burst, an order-1 outage and a killed worker keep every request stripped and logged once. Every call goes through a lane pinned to one worker that already lists the deployments it needs, because the peer worker learns a /model/new row through the config-sync resync up to sixteen seconds later
---------
Co-authored-by: mateo-berri <277851410+mateo-berri@users.noreply.github.com>
* ci: run the unit_selection.sh shard files on every event instead of only fork pull requests
Co-Authored-By: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com>
* ci: rename fork-flag to unit-flag now that it applies on every event
* test: move tests/test_litellm root and small trees into tests/unit
Pure renames, no content changes. Follow-up commits in this PR fix
references, merge the three files that already existed in tests/unit,
keep live-provider tests in tests/test_litellm and wire CI.
* test: carry tests/test_litellm conftest isolation into tests/unit
Callback lists, routing fallbacks, cached HTTP clients, logger state, AWS,
proxy-URL and keychain env, and session-end client cleanup now reset for
unit tests too. The environment isolation owns its MonkeyPatch so a test's
own monkeypatch is undone before the model-cost teardown runs.
* test: merge, split and prune the moved root and small-tree tests
Merge batches/test_batch_utils.py and the chat_completions and messages
dispatch tests into the files that already existed in tests/unit. Keep
the live Gemini interactions tests, the async image-fetch format test and
the OpenAI embedding scorer test in tests/test_litellm since they need
real network or keys. Put test_router.py under tests/unit/test_router so
the existing package no longer shadows it. Delete eight tests the audit
found superseded by stronger ones kept in this move.
* ci: run the moved root and small-tree tests under their legacy flags
Add the misc and responses-caching-types flags to unit_selection.sh and
CircleCI, extend enterprise-routing and mcp-integration, and point the
legacy GHA shards, Makefile, redis-compat workflow, merge smoke manifest
and change classifier at the new paths.
* test: make the new tests/unit directories packages
tests/unit/test_package_layout.py requires every directory to carry an
__init__.py, and without one the moved and retained
test_litellm_responses_bridge.py modules collide on import.
* test: scope the unit socket block to tests/unit in shared sessions
The GHA shards collect the legacy test-path and the unit selection in one
pytest session. The unit conftest's loopback-only block leaked into legacy
modules that reach the network at import. The legacy conftest now lifts the
restriction at collect and setup time, and the unit conftest re-applies it
when collecting its own modules.
* test: give the shard-script tests their own GITHUB_OUTPUT
They only passed where the runner set it. The CircleCI unit job's env
allowlist drops it, so the script's redirect failed there.
* test: point the router and module-deletion checks at tests/unit
router_code_coverage and code_qa_check_tests only searched tests/test_litellm,
so the moved router tests no longer counted. The two silent-experiment tests
the audit deleted were the only direct callers of those methods; they are
replaced with tests that assert the forwarded shadow request and the
recursion guard.
---------
Co-authored-by: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com>
2026-09-25 11:30:43 -07:00
Renamed from tests/test_litellm/test_router_order_fallback.py (Browse further)
