hermes-agent/tests/gateway/test_session_model_override_credential_pool.py
Tuna Dev ff4c8172ce fix(gateway): attach credential_pool to session /model overrides
Per-session /model overrides supplied api_key and provider but omitted
credential_pool, so billing rotation never ran on HTTP 402. Wire the pool
on fast override, rehydrate, and apply paths; backfill from provider for
legacy persisted overrides. Regression tests in tests/gateway/.
2026-07-04 16:34:16 -07:00

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Python

"""Session /model overrides must attach credential_pool for 402 rotation."""
from __future__ import annotations
from unittest.mock import MagicMock
from gateway.run import GatewayRunner, _credential_pool_for_provider
def test_fast_session_override_includes_credential_pool(monkeypatch):
runner = object.__new__(GatewayRunner)
runner._session_model_overrides = {
"sess-1": {
"model": "kimi-k2.7",
"provider": "custom:hyper",
"api_key": "sk-test",
"base_url": "https://hyper.charm.land/v1",
"api_mode": "chat_completions",
},
}
fake_pool = object()
monkeypatch.setattr(
"gateway.run._resolve_gateway_model",
lambda _uc=None: "default-model",
)
monkeypatch.setattr(
"gateway.run._credential_pool_for_provider",
lambda provider: fake_pool if provider == "custom:hyper" else None,
)
model, runtime = runner._resolve_session_agent_runtime(session_key="sess-1")
assert model == "kimi-k2.7"
assert runtime.get("credential_pool") is fake_pool
def test_apply_session_override_backfills_credential_pool(monkeypatch):
runner = object.__new__(GatewayRunner)
fake_pool = MagicMock(name="pool")
runner._session_model_overrides = {
"sess-2": {
"model": "kimi-k2.7",
"provider": "custom:hyper",
"api_key": "sk-test",
},
}
monkeypatch.setattr(
"gateway.run._credential_pool_for_provider",
lambda provider: fake_pool,
)
model, runtime = runner._apply_session_model_override(
"sess-2",
"default-model",
{"api_key": "old", "provider": "x"},
)
assert model == "kimi-k2.7"
assert runtime["credential_pool"] is fake_pool
def test_credential_pool_for_provider_delegates(monkeypatch):
sentinel = object()
monkeypatch.setattr(
"gateway.run._resolve_runtime_agent_kwargs_for_provider",
lambda p: {"credential_pool": sentinel, "provider": p},
)
assert _credential_pool_for_provider("custom:hyper") is sentinel