hermes-agent/tests/cron/test_reasoning_config_per_model.py
ScotterMonk d9cdb81923 feat(config): support per-model reasoning_effort overrides
Add agent.reasoning_overrides dict to config.yaml. Users can now set
a reasoning_effort per model, overriding the global agent.reasoning_effort.

Example:
  agent:
    reasoning_effort: "medium"       # global default
    reasoning_overrides:
      "openrouter/anthropic/claude-opus-4.5": "xhigh"
      "openai/gpt-5": "low"
      "claude-sonnet-4.6": "high"    # bare model name also works

The helper is spelling-tolerant: override keys match regardless of
provider prefix or dots-vs-dashes normalization, so users can write
keys in any sensible form and they'll match.

Resolution priority:
1. Session-scoped /reasoning --session override (gateway only; unchanged)
2. Per-model override from agent.reasoning_overrides (spelling-tolerant)
3. Global agent.reasoning_effort (existing)
4. Provider default (unchanged)

Wired into:
- CLI startup (cli.py)
- Messaging gateway agent construction (gateway/run.py)
- Desktop/TUI _load_reasoning_config (tui_gateway/server.py)
- Cron job scheduler (cron/scheduler.py)
- /model mid-session switch (agent/agent_runtime_helpers.py)
  + _primary_runtime now tracks reasoning_config for correct fallback recovery
- Fallback activation (agent/chat_completion_helpers.py::try_activate_fallback)
  + Re-resolves reasoning_config for the fallback model (best-effort)

Closes #21256 (per-model reasoning_effort defaults).

Note: no hermes config set agent.reasoning_overrides.<model> support;
users edit the YAML directly. _set_nested splits on "." and would
corrupt model keys containing version dots.
2026-07-14 11:46:40 -07:00

106 lines
4.1 KiB
Python

"""Tests for per-model reasoning_effort override in cron scheduler."""
import pytest
class TestCronPerModelReasoningConfig:
"""Test cron scheduler respects per-model reasoning overrides.
Rather than spinning up a full CronScheduler (heavy), we verify the
resolution logic by testing the helper directly against a config dict
shaped the same way the scheduler reads it.
"""
def test_per_model_override_resolves_for_cron_model(self):
"""The spelling-tolerant helper resolves the cron config's model."""
from hermes_constants import resolve_per_model_reasoning_effort
# Simulate cron scheduler config shape
_cfg = {
"model": {"default": "anthropic/claude-opus-4.5"},
"agent": {
"reasoning_effort": "medium",
"reasoning_overrides": {
"anthropic/claude-opus-4.5": "xhigh",
},
},
}
_model_cfg = _cfg.get("model", {})
_model = str(_model_cfg.get("default", "") or "").strip()
_overrides = (_cfg.get("agent", {}) or {}).get("reasoning_overrides", {}) or {}
result = resolve_per_model_reasoning_effort(_model, _overrides)
assert result is not None
assert result["effort"] == "xhigh"
def test_cron_falls_back_to_global_when_no_override(self):
"""When no per-model override matches, global effort is used."""
from hermes_constants import parse_reasoning_effort, resolve_per_model_reasoning_effort
_cfg = {
"model": {"default": "gpt-5"},
"agent": {
"reasoning_effort": "low",
"reasoning_overrides": {
"anthropic/claude-opus-4.5": "xhigh",
},
},
}
_model = _cfg["model"]["default"]
_overrides = _cfg["agent"]["reasoning_overrides"]
per_model = resolve_per_model_reasoning_effort(_model, _overrides)
assert per_model is None # no match
# Scheduler falls back to global
effort = _cfg["agent"]["reasoning_effort"]
result = parse_reasoning_effort(effort)
assert result is not None
assert result["effort"] == "low"
def test_cron_handles_missing_model_key(self):
"""Works when config has no model.default."""
from hermes_constants import resolve_per_model_reasoning_effort
_cfg = {
"agent": {
"reasoning_effort": "medium",
"reasoning_overrides": {"claude-opus-4.5": "high"},
},
}
_model_cfg = _cfg.get("model", {}) if isinstance(_cfg.get("model", {}), dict) else {}
_model = str(_model_cfg.get("default", "") or _model_cfg.get("model", "") or "").strip()
_overrides = (_cfg.get("agent", {}) or {}).get("reasoning_overrides", {}) or {}
# Empty model → resolve returns None → scheduler uses global
result = resolve_per_model_reasoning_effort(_model, _overrides)
assert result is None
def test_global_fallback_with_yaml_false(self):
"""YAML boolean False must reach parse_reasoning_effort uncoerced.
Regression: str(... or "").strip() turned False into "", silently
re-enabling thinking. The raw value must pass through so
parse_reasoning_effort(False) returns {'enabled': False}.
"""
from hermes_constants import parse_reasoning_effort, resolve_per_model_reasoning_effort
_cfg = {
"model": {"default": "gpt-5"},
"agent": {
"reasoning_effort": False, # YAML boolean, not string
"reasoning_overrides": {"claude-opus-4.5": "xhigh"},
},
}
_model = _cfg["model"]["default"]
_overrides = _cfg["agent"]["reasoning_overrides"]
per_model = resolve_per_model_reasoning_effort(_model, _overrides)
assert per_model is None # no match
# Scheduler global fallback — raw value, no coercion
result = parse_reasoning_effort(
_cfg.get("agent", {}).get("reasoning_effort", "")
)
assert result is not None
assert result.get("enabled") is False