litellm/tests/router_unit_tests
devin-ai-integration[bot] c9e8a04139
feat(vertex): native batch JSONL passthrough with cost tracking (#42810)
* feat(vertex): native batch JSONL passthrough with cost tracking

Add a per-request `passthrough=true` multipart field on `POST /v1/files`
(and the same kwarg on `litellm.create_file`) that uploads a native
Vertex AI batch JSONL to the deployment's GCS bucket unchanged, so rows
using `googleSearch` and other Gemini-only features run as written and
the output, `groundingMetadata` included, comes back untouched.

Passthrough is sticky through the GCS object path
(`litellm-vertex-files/passthrough/...`), so batch create and output
retrieval inherit it without new state. Native output rows are costed
from their `usageMetadata` with the deployment's model and model_info,
in the polling and retrieve paths and for the existing global
`disable_vertex_batch_output_transformation` flag, which billed $0
before.

The proxy requires the target to resolve to vertex_ai deployments only,
refuses `passthrough` with a non-batch purpose, a non-default
`target_storage`, or pre-call guardrails, and validates native rows on
`request` instead of the OpenAI batch keys.

* refactor(vertex): keep native batch row pricing inside the Vertex adapter

Moves native Vertex batch row detection, response parsing, and per-row
pricing from litellm/batches/batch_utils.py into
litellm/llms/vertex_ai/batches/transformation.py, so batch_utils only
aggregates the rows it gets back. Adds tests/test_litellm/files to the
misc unit shard so the new test directory is claimed by a shard.

* fix(files): say what a passthrough batch upload takes when a row is not native

The missing-key 400 listed bare key names, so an OpenAI-shaped row under
passthrough=true read "Each line must be a JSON object with keys request".
The batch line shape now carries its own hint, and the passthrough one says
a passthrough upload takes native Vertex batch rows with a request key

* fix(batches): bill native Vertex embedding batch rows on the native cost path

A native Vertex output row whose response holds an embedding was validated as a
generateContent response, so the documented tokenCount-only shape counted as a failed
row. Price embedding rows from their own usage (promptTokenCount, else tokenCount) with
the helper the transformed embeddings path already used, and drop the prompt-details
helper nothing calls anymore.

* fix(batches): keep modality batch rates on native Vertex embedding rows

An embedding row that carries usageMetadata was billed from promptTokenCount alone, so
its promptTokensDetails no longer reached the audio, image, and video batch rates the
way it did before the native cost path. Run every row with usageMetadata through the
Gemini usage parser and keep the flat tokenCount fallback for embedding rows without it.

* fix(batches): price native Vertex batch rows by modelVersion under a wildcard deployment

A `vertex_ai/*` deployment hands the batch cost path `*` as the deployment model, which
no cost map resolves, so every native (passthrough or flag-on) row was billed at $0. A
wildcard deployment model now defers to the row's own `modelVersion`, the way the
transformed path already prices by the row's `model`.

Also moves the native passthrough tests under tests/test_litellm, the tree codecov
reads, and covers the raw upload chunking, the embedding output translation, the
unpriceable-row path, and the flag-on dispatch.

* fix(batches): keep explicit deployment prices for native Vertex rows without a modelVersion

Under a wildcard deployment a native batch row that carries no modelVersion (an embedding
row, or a generateContent row Vertex returned without one) was billed at $0 even when the
deployment's model_info sets explicit batch prices, because the cost calculator was never
called. The row now falls back to the wildcard name, which the cost calculator prices from
the explicit model_info, and only a row with neither a modelVersion nor a deployment model
is billed at $0 with the warning

---------

Co-authored-by: mateo-berri <277851410+mateo-berri@users.noreply.github.com>
2026-09-24 12:35:34 -07:00
..
conftest.py test: drop the cwd-relative sys.path.insert calls from the test suite (#37802) 2026-08-22 09:25:58 -07:00
create_mock_standard_logging_payload.py test: drop the cwd-relative sys.path.insert calls from the test suite (#37802) 2026-08-22 09:25:58 -07:00
gettysburg.wav test(router_code_coverage.py): check if all router functions are dire… (#6186) 2024-10-14 22:44:00 -07:00
README.md test(router_code_coverage.py): check if all router functions are dire… (#6186) 2024-10-14 22:44:00 -07:00
test_completion_no_copy.py test: drop the cwd-relative sys.path.insert calls from the test suite (#37802) 2026-08-22 09:25:58 -07:00
test_default_deployment_copy.py test: drop the cwd-relative sys.path.insert calls from the test suite (#37802) 2026-08-22 09:25:58 -07:00
test_get_model_list_alias_optimization.py chore(ci): modernize model references in tests and configs (#27856) 2026-05-15 15:44:28 -07:00
test_pre_call_checks_optimization.py chore(ci): modernize model references in tests and configs (#27856) 2026-05-15 15:44:28 -07:00
test_prompt_management_check.py test: drop the cwd-relative sys.path.insert calls from the test suite (#37802) 2026-08-22 09:25:58 -07:00
test_router_acancel_batch.py test: drop the cwd-relative sys.path.insert calls from the test suite (#37802) 2026-08-22 09:25:58 -07:00
test_router_adding_deployments.py test: drop the cwd-relative sys.path.insert calls from the test suite (#37802) 2026-08-22 09:25:58 -07:00
test_router_anthropic_messages_fallback.py feat(router): arm safeguard-refusal fallback on generic chains when no content-policy list exists (#39274) 2026-09-02 18:31:25 -07:00
test_router_aresponses_streaming_fallback.py test(router): call both mid-stream fallback attempt functions directly 2026-09-21 14:48:42 -07:00
test_router_batch_utils.py feat(vertex): native batch JSONL passthrough with cost tracking (#42810) 2026-09-24 12:35:34 -07:00
test_router_cooldown_per_deployment.py fix(router): count allowed_fails in the shared router cache so multi-worker proxies bench a deployment fleet-wide (#40224) 2026-09-08 13:54:48 -07:00
test_router_cooldown_utils.py test: drop the cwd-relative sys.path.insert calls from the test suite (#37802) 2026-08-22 09:25:58 -07:00
test_router_embedding_headers.py test: drop the cwd-relative sys.path.insert calls from the test suite (#37802) 2026-08-22 09:25:58 -07:00
test_router_embedding_integration.py fix(vector-store): embed through the SDK when the Router does not serve the query embedding model 2026-09-02 21:32:00 -07:00
test_router_endpoints.py fix(router): pass container create/list through when model names no deployment 2026-09-01 23:39:42 +00:00
test_router_handle_error.py test: drop the cwd-relative sys.path.insert calls from the test suite (#37802) 2026-08-22 09:25:58 -07:00
test_router_helper_utils.py test(router): force the callback to observe the usage stamp before the pre-header increment fails 2026-09-16 20:10:22 +00:00
test_router_index_management.py test: repair two CI tests broken by intentional changes 2026-09-05 12:02:48 -07:00
test_router_prompt_caching.py fix(router): hash the prompt caching affinity prefix off the event loop 2026-09-19 20:22:28 -07:00

Router component unit tests.

Please name all files with the word 'router' in them.

This is used to ensure all functions in the router are tested.