Artifex/tests/test_model_router_providers.py

from __future__ import annotations

from agents.providers import DeterministicCodingProvider, DeterministicSolProvider
from control_plane.resources.models import ModelRequest, Resource, ResourceKind
from model_router.providers import SolProvider, providers_from_resources
from model_router.router import ModelCapability, ModelRequestContract, ModelRouter


def test_model_router_persists_sanitized_request_metadata() -> None:
    Resource.objects.create(
        name="Qwen Test",
        kind=ResourceKind.MODEL,
        provider="qwen",
        roles=["CODING"],
    )
    router = ModelRouter({"qwen": DeterministicCodingProvider()}, persist_requests=True)

    router.complete(ModelRequestContract(purpose=ModelCapability.CODING, prompt="secret-looking prompt must not persist"))

    request = ModelRequest.objects.get()
    assert request.status == "COMPLETE"
    assert request.logical_role == "CODING"
    assert request.request["prompt_chars"] > 0
    assert request.request["contains_raw_prompt"] is False
    assert "secret-looking" not in str(request.request)


def test_model_router_health_is_non_throwing() -> None:
    router = ModelRouter({"qwen": DeterministicCodingProvider()})

    assert router.health() == {"qwen": "AVAILABLE"}


def test_opencode_model_key_resources_load_as_distinct_providers() -> None:
    for key in ["sol", "terra", "luna"]:
        Resource.objects.create(name=key.title(), kind=ResourceKind.MODEL, provider="opencode", roles=["REASONING"], config={"model_key": key})

    providers = providers_from_resources()

    assert {"sol", "terra", "luna"}.issubset(providers)
    assert all(isinstance(providers[key], SolProvider) for key in ["sol", "terra", "luna"])


def test_model_router_prefers_exact_model_key_resource_for_persisted_requests() -> None:
    Resource.objects.create(name="Generic Opencode", kind=ResourceKind.MODEL, provider="opencode", roles=["REASONING"], config={})
    Resource.objects.create(name="Terra", kind=ResourceKind.MODEL, provider="opencode", roles=["REASONING"], config={"model_key": "terra"})
    router = ModelRouter({"terra": DeterministicSolProvider("{}")}, persist_requests=True)

    router.complete(ModelRequestContract(purpose=ModelCapability.REASONING, model_hint="terra", prompt="{}"))

    request = ModelRequest.objects.get()
    assert request.model == "Terra"