hermes-agent/tests/test_empty_model_fallback.py
alt-glitch 4b16341975 refactor(restructure): rewrite all imports for hermes_agent package
Rewrite all import statements, patch() targets, sys.modules keys,
importlib.import_module() strings, and subprocess -m references to use
hermes_agent.* paths.

Strip sys.path.insert hacks from production code (rely on editable install).
Update COMPONENT_PREFIXES for logger filtering.
Fix 3 hardcoded getLogger() calls to use __name__.
Update transport and tool registry discovery paths.
Update plugin module path strings.
Add legacy process-name patterns for gateway PID detection.
Add main() to skills_sync for console_script entry point.
Fix _get_bundled_dir() path traversal after move.

Part of #14182, #14183
2026-04-23 08:35:34 +05:30

120 lines
5.3 KiB
Python

"""Tests for empty model fallback — when provider is configured but model is missing."""
from unittest.mock import MagicMock, patch
import pytest
class TestGetDefaultModelForProvider:
"""Unit tests for hermes_cli.models.get_default_model_for_provider."""
def test_known_provider_returns_first_model(self):
from hermes_agent.cli.models.models import get_default_model_for_provider
result = get_default_model_for_provider("openai-codex")
# Should return first model from _PROVIDER_MODELS["openai-codex"]
assert result
assert isinstance(result, str)
def test_openrouter_returns_empty(self):
"""OpenRouter uses dynamic model fetch, no static catalog entry."""
from hermes_agent.cli.models.models import get_default_model_for_provider
# OpenRouter is not in _PROVIDER_MODELS — it uses live fetching
result = get_default_model_for_provider("openrouter")
assert result == ""
def test_unknown_provider_returns_empty(self):
from hermes_agent.cli.models.models import get_default_model_for_provider
assert get_default_model_for_provider("nonexistent-provider") == ""
def test_custom_provider_returns_empty(self):
"""Custom provider has no model catalog — should return empty."""
from hermes_agent.cli.models.models import get_default_model_for_provider
# Custom providers don't have entries in _PROVIDER_MODELS
assert get_default_model_for_provider("some-random-custom") == ""
class TestGatewayEmptyModelFallback:
"""Test that _resolve_session_agent_runtime fills in empty model from provider catalog."""
def test_empty_model_filled_from_provider(self):
"""When config has no model but provider is openai-codex, use first codex model."""
from hermes_agent.gateway.run import GatewayRunner
runner = object.__new__(GatewayRunner)
runner._session_model_overrides = {}
# Mock _resolve_gateway_model to return empty string
# Mock _resolve_runtime_agent_kwargs to return openai-codex provider
with patch("hermes_agent.gateway.run._resolve_gateway_model", return_value=""), \
patch("hermes_agent.gateway.run._resolve_runtime_agent_kwargs", return_value={
"provider": "openai-codex",
"api_key": "test-key",
"base_url": "https://chatgpt.com/backend-api/codex",
"api_mode": "codex_responses",
}):
model, kwargs = runner._resolve_session_agent_runtime()
# Model should have been filled in from provider catalog
assert model, "Model should not be empty when provider is known"
assert isinstance(model, str)
assert kwargs["provider"] == "openai-codex"
def test_nonempty_model_not_overridden(self):
"""When config has a model set, don't override it."""
from hermes_agent.gateway.run import GatewayRunner
runner = object.__new__(GatewayRunner)
runner._session_model_overrides = {}
with patch("hermes_agent.gateway.run._resolve_gateway_model", return_value="gpt-5.4"), \
patch("hermes_agent.gateway.run._resolve_runtime_agent_kwargs", return_value={
"provider": "openai-codex",
"api_key": "test-key",
"base_url": "https://chatgpt.com/backend-api/codex",
"api_mode": "codex_responses",
}):
model, kwargs = runner._resolve_session_agent_runtime()
assert model == "gpt-5.4", "Explicit model should not be overridden"
def test_empty_model_no_provider_stays_empty(self):
"""When both model and provider are empty, model stays empty."""
from hermes_agent.gateway.run import GatewayRunner
runner = object.__new__(GatewayRunner)
runner._session_model_overrides = {}
with patch("hermes_agent.gateway.run._resolve_gateway_model", return_value=""), \
patch("hermes_agent.gateway.run._resolve_runtime_agent_kwargs", return_value={
"provider": "",
"api_key": "test-key",
"base_url": "https://example.com",
"api_mode": "chat_completions",
}):
model, kwargs = runner._resolve_session_agent_runtime()
# Can't fill in a default without knowing the provider
assert model == ""
class TestResolveGatewayModel:
"""Test _resolve_gateway_model reads model from config correctly."""
def test_returns_default_key(self):
from hermes_agent.gateway.run import _resolve_gateway_model
assert _resolve_gateway_model({"model": {"default": "gpt-5.4"}}) == "gpt-5.4"
def test_returns_model_key_fallback(self):
from hermes_agent.gateway.run import _resolve_gateway_model
assert _resolve_gateway_model({"model": {"model": "gpt-5.4"}}) == "gpt-5.4"
def test_returns_empty_when_missing(self):
from hermes_agent.gateway.run import _resolve_gateway_model
assert _resolve_gateway_model({"model": {}}) == ""
def test_returns_empty_when_no_model_section(self):
from hermes_agent.gateway.run import _resolve_gateway_model
assert _resolve_gateway_model({}) == ""
def test_string_model_config(self):
from hermes_agent.gateway.run import _resolve_gateway_model
assert _resolve_gateway_model({"model": "my-model"}) == "my-model"