Files
hermes-agent/tests/test_gemini_provider.py
Teknium cc7136b1ac fix: update Gemini model catalog + wire models.dev as live model source
Follow-up for salvaged PR #5494:
- Update model catalog to Gemini 3.x + Gemma 4 (drop deprecated 2.0)
- Add list_agentic_models() to models_dev.py with noise filter
- Wire models.dev into _model_flow_api_key_provider as primary source
  (static curated list serves as offline fallback)
- Add gemini -> google mapping in PROVIDER_TO_MODELS_DEV
- Fix Gemma 4 context lengths to 256K (models.dev values)
- Update auxiliary model to gemini-3-flash-preview
- Expand tests: 3.x catalog, context lengths, models.dev integration
2026-04-06 10:28:03 -07:00

270 lines
10 KiB
Python

"""Tests for Google AI Studio (Gemini) provider integration."""
import os
import pytest
from unittest.mock import patch, MagicMock
from hermes_cli.auth import PROVIDER_REGISTRY, resolve_provider, resolve_api_key_provider_credentials
from hermes_cli.models import _PROVIDER_MODELS, _PROVIDER_LABELS, _PROVIDER_ALIASES, normalize_provider
from hermes_cli.model_normalize import normalize_model_for_provider, detect_vendor
from agent.model_metadata import get_model_context_length
from agent.models_dev import PROVIDER_TO_MODELS_DEV, list_agentic_models, _NOISE_PATTERNS
# ── Provider Registry ──
class TestGeminiProviderRegistry:
def test_gemini_in_registry(self):
assert "gemini" in PROVIDER_REGISTRY
def test_gemini_config(self):
pconfig = PROVIDER_REGISTRY["gemini"]
assert pconfig.id == "gemini"
assert pconfig.name == "Google AI Studio"
assert pconfig.auth_type == "api_key"
assert pconfig.inference_base_url == "https://generativelanguage.googleapis.com/v1beta/openai"
def test_gemini_env_vars(self):
pconfig = PROVIDER_REGISTRY["gemini"]
assert pconfig.api_key_env_vars == ("GOOGLE_API_KEY", "GEMINI_API_KEY")
assert pconfig.base_url_env_var == "GEMINI_BASE_URL"
def test_gemini_base_url(self):
assert "generativelanguage.googleapis.com" in PROVIDER_REGISTRY["gemini"].inference_base_url
# ── Provider Aliases ──
PROVIDER_ENV_VARS = (
"OPENROUTER_API_KEY", "OPENAI_API_KEY", "ANTHROPIC_API_KEY",
"GOOGLE_API_KEY", "GEMINI_API_KEY", "GEMINI_BASE_URL",
"GLM_API_KEY", "ZAI_API_KEY", "KIMI_API_KEY",
"MINIMAX_API_KEY", "DEEPSEEK_API_KEY",
)
@pytest.fixture(autouse=True)
def _clean_provider_env(monkeypatch):
for var in PROVIDER_ENV_VARS:
monkeypatch.delenv(var, raising=False)
class TestGeminiAliases:
def test_explicit_gemini(self):
assert resolve_provider("gemini") == "gemini"
def test_alias_google(self):
assert resolve_provider("google") == "gemini"
def test_alias_google_gemini(self):
assert resolve_provider("google-gemini") == "gemini"
def test_alias_google_ai_studio(self):
assert resolve_provider("google-ai-studio") == "gemini"
def test_models_py_aliases(self):
assert _PROVIDER_ALIASES.get("google") == "gemini"
assert _PROVIDER_ALIASES.get("google-gemini") == "gemini"
assert _PROVIDER_ALIASES.get("google-ai-studio") == "gemini"
def test_normalize_provider(self):
assert normalize_provider("google") == "gemini"
assert normalize_provider("gemini") == "gemini"
assert normalize_provider("google-ai-studio") == "gemini"
# ── Auto-detection ──
class TestGeminiAutoDetection:
def test_auto_detects_google_api_key(self, monkeypatch):
monkeypatch.setenv("GOOGLE_API_KEY", "test-google-key")
assert resolve_provider("auto") == "gemini"
def test_auto_detects_gemini_api_key(self, monkeypatch):
monkeypatch.setenv("GEMINI_API_KEY", "test-gemini-key")
assert resolve_provider("auto") == "gemini"
def test_google_api_key_priority_over_gemini(self, monkeypatch):
monkeypatch.setenv("GOOGLE_API_KEY", "primary-key")
monkeypatch.setenv("GEMINI_API_KEY", "alias-key")
creds = resolve_api_key_provider_credentials("gemini")
assert creds["api_key"] == "primary-key"
assert creds["source"] == "GOOGLE_API_KEY"
# ── Credential Resolution ──
class TestGeminiCredentials:
def test_resolve_with_google_api_key(self, monkeypatch):
monkeypatch.setenv("GOOGLE_API_KEY", "google-secret")
creds = resolve_api_key_provider_credentials("gemini")
assert creds["provider"] == "gemini"
assert creds["api_key"] == "google-secret"
assert creds["base_url"] == "https://generativelanguage.googleapis.com/v1beta/openai"
def test_resolve_with_gemini_api_key(self, monkeypatch):
monkeypatch.setenv("GEMINI_API_KEY", "gemini-secret")
creds = resolve_api_key_provider_credentials("gemini")
assert creds["api_key"] == "gemini-secret"
def test_resolve_with_custom_base_url(self, monkeypatch):
monkeypatch.setenv("GOOGLE_API_KEY", "key")
monkeypatch.setenv("GEMINI_BASE_URL", "https://custom.endpoint/v1")
creds = resolve_api_key_provider_credentials("gemini")
assert creds["base_url"] == "https://custom.endpoint/v1"
def test_runtime_gemini(self, monkeypatch):
monkeypatch.setenv("GOOGLE_API_KEY", "google-key")
from hermes_cli.runtime_provider import resolve_runtime_provider
result = resolve_runtime_provider(requested="gemini")
assert result["provider"] == "gemini"
assert result["api_mode"] == "chat_completions"
assert result["api_key"] == "google-key"
assert result["base_url"] == "https://generativelanguage.googleapis.com/v1beta/openai"
# ── Model Catalog ──
class TestGeminiModelCatalog:
def test_provider_models_exist(self):
assert "gemini" in _PROVIDER_MODELS
models = _PROVIDER_MODELS["gemini"]
assert "gemini-2.5-pro" in models
assert "gemini-2.5-flash" in models
assert "gemma-4-31b-it" in models
def test_provider_models_has_3x(self):
models = _PROVIDER_MODELS["gemini"]
assert "gemini-3.1-pro-preview" in models
assert "gemini-3-flash-preview" in models
assert "gemini-3.1-flash-lite-preview" in models
def test_provider_label(self):
assert "gemini" in _PROVIDER_LABELS
assert _PROVIDER_LABELS["gemini"] == "Google AI Studio"
# ── Model Normalization ──
class TestGeminiModelNormalization:
def test_passthrough_bare_name(self):
assert normalize_model_for_provider("gemini-2.5-flash", "gemini") == "gemini-2.5-flash"
def test_strip_vendor_prefix(self):
assert normalize_model_for_provider("google/gemini-2.5-flash", "gemini") == "google/gemini-2.5-flash"
def test_gemma_vendor_detection(self):
assert detect_vendor("gemma-4-31b-it") == "google"
def test_gemini_vendor_detection(self):
assert detect_vendor("gemini-2.5-flash") == "google"
def test_aggregator_prepends_vendor(self):
result = normalize_model_for_provider("gemini-2.5-flash", "openrouter")
assert result == "google/gemini-2.5-flash"
def test_gemma_aggregator_prepends_vendor(self):
result = normalize_model_for_provider("gemma-4-31b-it", "openrouter")
assert result == "google/gemma-4-31b-it"
# ── Context Length ──
class TestGeminiContextLength:
def test_gemma_4_31b_context(self):
ctx = get_model_context_length("gemma-4-31b-it", provider="gemini")
assert ctx == 256000
def test_gemma_4_26b_context(self):
ctx = get_model_context_length("gemma-4-26b-it", provider="gemini")
assert ctx == 256000
def test_gemini_3_context(self):
ctx = get_model_context_length("gemini-3.1-pro-preview", provider="gemini")
assert ctx == 1048576
# ── Agent Init (no SyntaxError) ──
class TestGeminiAgentInit:
def test_agent_imports_without_error(self):
"""Verify run_agent.py has no SyntaxError (the critical bug)."""
import importlib
import run_agent
importlib.reload(run_agent)
def test_gemini_agent_uses_chat_completions(self, monkeypatch):
"""Gemini falls through to chat_completions — no special elif needed."""
monkeypatch.setenv("GOOGLE_API_KEY", "test-key")
with patch("run_agent.OpenAI") as mock_openai:
mock_openai.return_value = MagicMock()
from run_agent import AIAgent
agent = AIAgent(
model="gemini-2.5-flash",
provider="gemini",
api_key="test-key",
base_url="https://generativelanguage.googleapis.com/v1beta/openai",
)
assert agent.api_mode == "chat_completions"
assert agent.provider == "gemini"
# ── models.dev Integration ──
class TestGeminiModelsDev:
def test_gemini_mapped_to_google(self):
assert PROVIDER_TO_MODELS_DEV.get("gemini") == "google"
def test_noise_filter_excludes_tts(self):
assert _NOISE_PATTERNS.search("gemini-2.5-pro-preview-tts")
def test_noise_filter_excludes_dated_preview(self):
assert _NOISE_PATTERNS.search("gemini-2.5-flash-preview-04-17")
def test_noise_filter_excludes_embedding(self):
assert _NOISE_PATTERNS.search("gemini-embedding-001")
def test_noise_filter_excludes_live(self):
assert _NOISE_PATTERNS.search("gemini-live-2.5-flash")
def test_noise_filter_excludes_image(self):
assert _NOISE_PATTERNS.search("gemini-2.5-flash-image")
def test_noise_filter_excludes_customtools(self):
assert _NOISE_PATTERNS.search("gemini-3.1-pro-preview-customtools")
def test_noise_filter_passes_stable(self):
assert not _NOISE_PATTERNS.search("gemini-2.5-flash")
def test_noise_filter_passes_preview(self):
# Non-dated preview (e.g. gemini-3-flash-preview) should pass
assert not _NOISE_PATTERNS.search("gemini-3-flash-preview")
def test_noise_filter_passes_gemma(self):
assert not _NOISE_PATTERNS.search("gemma-4-31b-it")
def test_list_agentic_models_with_mock_data(self):
"""list_agentic_models filters correctly from mock models.dev data."""
mock_data = {
"google": {
"models": {
"gemini-3-flash-preview": {"tool_call": True},
"gemini-2.5-pro": {"tool_call": True},
"gemini-embedding-001": {"tool_call": False},
"gemini-2.5-flash-preview-tts": {"tool_call": False},
"gemini-live-2.5-flash": {"tool_call": True},
"gemini-2.5-flash-preview-04-17": {"tool_call": True},
"gemma-4-31b-it": {"tool_call": True},
}
}
}
with patch("agent.models_dev.fetch_models_dev", return_value=mock_data):
result = list_agentic_models("gemini")
assert "gemini-3-flash-preview" in result
assert "gemini-2.5-pro" in result
assert "gemma-4-31b-it" in result
# Filtered out:
assert "gemini-embedding-001" not in result # no tool_call
assert "gemini-2.5-flash-preview-tts" not in result # no tool_call
assert "gemini-live-2.5-flash" not in result # noise: live-
assert "gemini-2.5-flash-preview-04-17" not in result # noise: dated preview