Files
hermes-agent/tests/test_auxiliary_config_bridge.py
teknium1 5ae0b731d0 fix: harden auxiliary model config — gateway bridge, vision safety, tests
Improvements on top of PR #606 (auxiliary model configuration):

1. Gateway bridge: Added auxiliary.* and compression.summary_provider
   config bridging to gateway/run.py so config.yaml settings work from
   messaging platforms (not just CLI). Matches the pattern in cli.py.

2. Vision auto-fallback safety: In auto mode, vision now only tries
   OpenRouter + Nous Portal (known multimodal-capable providers).
   Custom endpoints, Codex, and API-key providers are skipped to avoid
   confusing errors from providers that don't support vision input.
   Explicit provider override (AUXILIARY_VISION_PROVIDER=main) still
   allows using any provider.

3. Comprehensive tests (46 new):
   - _get_auxiliary_provider env var resolution (8 tests)
   - _resolve_forced_provider with all provider types (8 tests)
   - Per-task provider routing integration (4 tests)
   - Vision auto-fallback safety (7 tests)
   - Config bridging logic (11 tests)
   - Gateway/CLI bridge parity (2 tests)
   - Vision model override via env var (2 tests)
   - DEFAULT_CONFIG shape validation (4 tests)

4. Docs: Added auxiliary_client.py to AGENTS.md project structure.
   Updated module docstring with separate text/vision resolution chains.

Tests: 2429 passed (was 2383).
2026-03-08 18:06:47 -07:00

293 lines
13 KiB
Python

"""Tests for auxiliary model config bridging — verifies that config.yaml values
are properly mapped to environment variables by both CLI and gateway loaders.
Also tests the vision_tools and browser_tool model override env vars.
"""
import json
import os
import sys
from pathlib import Path
from unittest.mock import patch, MagicMock
import pytest
import yaml
sys.path.insert(0, os.path.join(os.path.dirname(__file__), ".."))
def _run_auxiliary_bridge(config_dict, monkeypatch):
"""Simulate the auxiliary config → env var bridging logic shared by CLI and gateway.
This mirrors the code in cli.py load_cli_config() and gateway/run.py.
Both use the same pattern; we test it once here.
"""
# Clear env vars
for key in (
"AUXILIARY_VISION_PROVIDER", "AUXILIARY_VISION_MODEL",
"AUXILIARY_WEB_EXTRACT_PROVIDER", "AUXILIARY_WEB_EXTRACT_MODEL",
"CONTEXT_COMPRESSION_PROVIDER", "CONTEXT_COMPRESSION_MODEL",
):
monkeypatch.delenv(key, raising=False)
# Compression bridge
compression_cfg = config_dict.get("compression", {})
if compression_cfg and isinstance(compression_cfg, dict):
compression_env_map = {
"enabled": "CONTEXT_COMPRESSION_ENABLED",
"threshold": "CONTEXT_COMPRESSION_THRESHOLD",
"summary_model": "CONTEXT_COMPRESSION_MODEL",
"summary_provider": "CONTEXT_COMPRESSION_PROVIDER",
}
for cfg_key, env_var in compression_env_map.items():
if cfg_key in compression_cfg:
os.environ[env_var] = str(compression_cfg[cfg_key])
# Auxiliary bridge
auxiliary_cfg = config_dict.get("auxiliary", {})
if auxiliary_cfg and isinstance(auxiliary_cfg, dict):
aux_task_env = {
"vision": ("AUXILIARY_VISION_PROVIDER", "AUXILIARY_VISION_MODEL"),
"web_extract": ("AUXILIARY_WEB_EXTRACT_PROVIDER", "AUXILIARY_WEB_EXTRACT_MODEL"),
}
for task_key, (prov_env, model_env) in aux_task_env.items():
task_cfg = auxiliary_cfg.get(task_key, {})
if not isinstance(task_cfg, dict):
continue
prov = str(task_cfg.get("provider", "")).strip()
model = str(task_cfg.get("model", "")).strip()
if prov and prov != "auto":
os.environ[prov_env] = prov
if model:
os.environ[model_env] = model
# ── Config bridging tests ────────────────────────────────────────────────────
class TestAuxiliaryConfigBridge:
"""Verify the config.yaml → env var bridging logic used by CLI and gateway."""
def test_vision_provider_bridged(self, monkeypatch):
config = {
"auxiliary": {
"vision": {"provider": "openrouter", "model": ""},
"web_extract": {"provider": "auto", "model": ""},
}
}
_run_auxiliary_bridge(config, monkeypatch)
assert os.environ.get("AUXILIARY_VISION_PROVIDER") == "openrouter"
# auto should not be set
assert os.environ.get("AUXILIARY_WEB_EXTRACT_PROVIDER") is None
def test_vision_model_bridged(self, monkeypatch):
config = {
"auxiliary": {
"vision": {"provider": "auto", "model": "openai/gpt-4o"},
}
}
_run_auxiliary_bridge(config, monkeypatch)
assert os.environ.get("AUXILIARY_VISION_MODEL") == "openai/gpt-4o"
# auto provider should not be set
assert os.environ.get("AUXILIARY_VISION_PROVIDER") is None
def test_web_extract_bridged(self, monkeypatch):
config = {
"auxiliary": {
"web_extract": {"provider": "nous", "model": "gemini-2.5-flash"},
}
}
_run_auxiliary_bridge(config, monkeypatch)
assert os.environ.get("AUXILIARY_WEB_EXTRACT_PROVIDER") == "nous"
assert os.environ.get("AUXILIARY_WEB_EXTRACT_MODEL") == "gemini-2.5-flash"
def test_compression_provider_bridged(self, monkeypatch):
config = {
"compression": {
"summary_provider": "nous",
"summary_model": "gemini-3-flash",
}
}
_run_auxiliary_bridge(config, monkeypatch)
assert os.environ.get("CONTEXT_COMPRESSION_PROVIDER") == "nous"
assert os.environ.get("CONTEXT_COMPRESSION_MODEL") == "gemini-3-flash"
def test_empty_values_not_bridged(self, monkeypatch):
config = {
"auxiliary": {
"vision": {"provider": "auto", "model": ""},
}
}
_run_auxiliary_bridge(config, monkeypatch)
assert os.environ.get("AUXILIARY_VISION_PROVIDER") is None
assert os.environ.get("AUXILIARY_VISION_MODEL") is None
def test_missing_auxiliary_section_safe(self, monkeypatch):
"""Config without auxiliary section should not crash."""
config = {"model": {"default": "test-model"}}
_run_auxiliary_bridge(config, monkeypatch)
assert os.environ.get("AUXILIARY_VISION_PROVIDER") is None
def test_non_dict_task_config_ignored(self, monkeypatch):
"""Malformed task config (e.g. string instead of dict) is safely ignored."""
config = {
"auxiliary": {
"vision": "openrouter", # should be a dict
}
}
_run_auxiliary_bridge(config, monkeypatch)
assert os.environ.get("AUXILIARY_VISION_PROVIDER") is None
def test_mixed_tasks(self, monkeypatch):
config = {
"auxiliary": {
"vision": {"provider": "openrouter", "model": ""},
"web_extract": {"provider": "auto", "model": "custom-llm"},
}
}
_run_auxiliary_bridge(config, monkeypatch)
assert os.environ.get("AUXILIARY_VISION_PROVIDER") == "openrouter"
assert os.environ.get("AUXILIARY_VISION_MODEL") is None
assert os.environ.get("AUXILIARY_WEB_EXTRACT_PROVIDER") is None
assert os.environ.get("AUXILIARY_WEB_EXTRACT_MODEL") == "custom-llm"
def test_all_tasks_with_overrides(self, monkeypatch):
config = {
"compression": {
"summary_provider": "main",
"summary_model": "local-model",
},
"auxiliary": {
"vision": {"provider": "openrouter", "model": "google/gemini-2.5-flash"},
"web_extract": {"provider": "nous", "model": "gemini-3-flash"},
}
}
_run_auxiliary_bridge(config, monkeypatch)
assert os.environ.get("CONTEXT_COMPRESSION_PROVIDER") == "main"
assert os.environ.get("CONTEXT_COMPRESSION_MODEL") == "local-model"
assert os.environ.get("AUXILIARY_VISION_PROVIDER") == "openrouter"
assert os.environ.get("AUXILIARY_VISION_MODEL") == "google/gemini-2.5-flash"
assert os.environ.get("AUXILIARY_WEB_EXTRACT_PROVIDER") == "nous"
assert os.environ.get("AUXILIARY_WEB_EXTRACT_MODEL") == "gemini-3-flash"
def test_whitespace_in_values_stripped(self, monkeypatch):
config = {
"auxiliary": {
"vision": {"provider": " openrouter ", "model": " my-model "},
}
}
_run_auxiliary_bridge(config, monkeypatch)
assert os.environ.get("AUXILIARY_VISION_PROVIDER") == "openrouter"
assert os.environ.get("AUXILIARY_VISION_MODEL") == "my-model"
def test_empty_auxiliary_dict_safe(self, monkeypatch):
config = {"auxiliary": {}}
_run_auxiliary_bridge(config, monkeypatch)
assert os.environ.get("AUXILIARY_VISION_PROVIDER") is None
assert os.environ.get("AUXILIARY_WEB_EXTRACT_PROVIDER") is None
# ── Gateway bridge parity test ───────────────────────────────────────────────
class TestGatewayBridgeCodeParity:
"""Verify the gateway/run.py config bridge contains the auxiliary section."""
def test_gateway_has_auxiliary_bridge(self):
"""The gateway config bridge must include auxiliary.* bridging."""
gateway_path = Path(__file__).parent.parent / "gateway" / "run.py"
content = gateway_path.read_text()
# Check for key patterns that indicate the bridge is present
assert "AUXILIARY_VISION_PROVIDER" in content
assert "AUXILIARY_VISION_MODEL" in content
assert "AUXILIARY_WEB_EXTRACT_PROVIDER" in content
assert "AUXILIARY_WEB_EXTRACT_MODEL" in content
def test_gateway_has_compression_provider(self):
"""Gateway must bridge compression.summary_provider."""
gateway_path = Path(__file__).parent.parent / "gateway" / "run.py"
content = gateway_path.read_text()
assert "summary_provider" in content
assert "CONTEXT_COMPRESSION_PROVIDER" in content
# ── Vision model override tests ──────────────────────────────────────────────
class TestVisionModelOverride:
"""Test that AUXILIARY_VISION_MODEL env var overrides the default model in the handler."""
def test_env_var_overrides_default(self, monkeypatch):
monkeypatch.setenv("AUXILIARY_VISION_MODEL", "openai/gpt-4o")
from tools.vision_tools import _handle_vision_analyze
with patch("tools.vision_tools.vision_analyze_tool", new_callable=MagicMock) as mock_tool:
mock_tool.return_value = '{"success": true}'
_handle_vision_analyze({"image_url": "http://test.jpg", "question": "test"})
call_args = mock_tool.call_args
# 3rd positional arg = model
assert call_args[0][2] == "openai/gpt-4o"
def test_default_model_when_no_override(self, monkeypatch):
monkeypatch.delenv("AUXILIARY_VISION_MODEL", raising=False)
from tools.vision_tools import _handle_vision_analyze, DEFAULT_VISION_MODEL
with patch("tools.vision_tools.vision_analyze_tool", new_callable=MagicMock) as mock_tool:
mock_tool.return_value = '{"success": true}'
_handle_vision_analyze({"image_url": "http://test.jpg", "question": "test"})
call_args = mock_tool.call_args
expected = DEFAULT_VISION_MODEL or "google/gemini-3-flash-preview"
assert call_args[0][2] == expected
# ── DEFAULT_CONFIG shape tests ───────────────────────────────────────────────
class TestDefaultConfigShape:
"""Verify the DEFAULT_CONFIG in hermes_cli/config.py has correct auxiliary structure."""
def test_auxiliary_section_exists(self):
from hermes_cli.config import DEFAULT_CONFIG
assert "auxiliary" in DEFAULT_CONFIG
def test_vision_task_structure(self):
from hermes_cli.config import DEFAULT_CONFIG
vision = DEFAULT_CONFIG["auxiliary"]["vision"]
assert "provider" in vision
assert "model" in vision
assert vision["provider"] == "auto"
assert vision["model"] == ""
def test_web_extract_task_structure(self):
from hermes_cli.config import DEFAULT_CONFIG
web = DEFAULT_CONFIG["auxiliary"]["web_extract"]
assert "provider" in web
assert "model" in web
assert web["provider"] == "auto"
assert web["model"] == ""
def test_compression_provider_default(self):
from hermes_cli.config import DEFAULT_CONFIG
compression = DEFAULT_CONFIG["compression"]
assert "summary_provider" in compression
assert compression["summary_provider"] == "auto"
# ── CLI defaults parity ─────────────────────────────────────────────────────
class TestCLIDefaultsHaveAuxiliaryKeys:
"""Verify cli.py load_cli_config() defaults dict does NOT include auxiliary
(it comes from config.yaml deep merge, not hardcoded defaults)."""
def test_cli_defaults_can_merge_auxiliary(self):
"""The load_cli_config deep merge logic handles keys not in defaults.
Verify auxiliary would be picked up from config.yaml."""
# This is a structural assertion: cli.py's second-pass loop
# carries over keys from file_config that aren't in defaults.
# So auxiliary config from config.yaml gets merged even though
# cli.py's defaults dict doesn't define it.
import cli as _cli_mod
source = Path(_cli_mod.__file__).read_text()
assert "auxiliary_config = defaults.get(\"auxiliary\"" in source
assert "AUXILIARY_VISION_PROVIDER" in source
assert "AUXILIARY_VISION_MODEL" in source