6dfab35501
Cherry-picked from PR #5494 by kshitijk4poor. Adds native Gemini support via Google's OpenAI-compatible endpoint. Zero new dependencies.
198 lines
7.4 KiB
Python
198 lines
7.4 KiB
Python
"""Tests for Google AI Studio (Gemini) provider integration."""
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import os
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import pytest
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from unittest.mock import patch, MagicMock
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from hermes_cli.auth import PROVIDER_REGISTRY, resolve_provider, resolve_api_key_provider_credentials
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from hermes_cli.models import _PROVIDER_MODELS, _PROVIDER_LABELS, _PROVIDER_ALIASES, normalize_provider
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from hermes_cli.model_normalize import normalize_model_for_provider, detect_vendor
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from agent.model_metadata import get_model_context_length
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# ── Provider Registry ──
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class TestGeminiProviderRegistry:
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def test_gemini_in_registry(self):
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assert "gemini" in PROVIDER_REGISTRY
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def test_gemini_config(self):
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pconfig = PROVIDER_REGISTRY["gemini"]
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assert pconfig.id == "gemini"
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assert pconfig.name == "Google AI Studio"
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assert pconfig.auth_type == "api_key"
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assert pconfig.inference_base_url == "https://generativelanguage.googleapis.com/v1beta/openai"
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def test_gemini_env_vars(self):
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pconfig = PROVIDER_REGISTRY["gemini"]
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assert pconfig.api_key_env_vars == ("GOOGLE_API_KEY", "GEMINI_API_KEY")
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assert pconfig.base_url_env_var == "GEMINI_BASE_URL"
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def test_gemini_base_url(self):
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assert "generativelanguage.googleapis.com" in PROVIDER_REGISTRY["gemini"].inference_base_url
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# ── Provider Aliases ──
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PROVIDER_ENV_VARS = (
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"OPENROUTER_API_KEY", "OPENAI_API_KEY", "ANTHROPIC_API_KEY",
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"GOOGLE_API_KEY", "GEMINI_API_KEY", "GEMINI_BASE_URL",
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"GLM_API_KEY", "ZAI_API_KEY", "KIMI_API_KEY",
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"MINIMAX_API_KEY", "DEEPSEEK_API_KEY",
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)
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@pytest.fixture(autouse=True)
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def _clean_provider_env(monkeypatch):
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for var in PROVIDER_ENV_VARS:
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monkeypatch.delenv(var, raising=False)
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class TestGeminiAliases:
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def test_explicit_gemini(self):
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assert resolve_provider("gemini") == "gemini"
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def test_alias_google(self):
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assert resolve_provider("google") == "gemini"
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def test_alias_google_gemini(self):
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assert resolve_provider("google-gemini") == "gemini"
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def test_alias_google_ai_studio(self):
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assert resolve_provider("google-ai-studio") == "gemini"
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def test_models_py_aliases(self):
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assert _PROVIDER_ALIASES.get("google") == "gemini"
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assert _PROVIDER_ALIASES.get("google-gemini") == "gemini"
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assert _PROVIDER_ALIASES.get("google-ai-studio") == "gemini"
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def test_normalize_provider(self):
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assert normalize_provider("google") == "gemini"
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assert normalize_provider("gemini") == "gemini"
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assert normalize_provider("google-ai-studio") == "gemini"
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# ── Auto-detection ──
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class TestGeminiAutoDetection:
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def test_auto_detects_google_api_key(self, monkeypatch):
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monkeypatch.setenv("GOOGLE_API_KEY", "test-google-key")
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assert resolve_provider("auto") == "gemini"
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def test_auto_detects_gemini_api_key(self, monkeypatch):
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monkeypatch.setenv("GEMINI_API_KEY", "test-gemini-key")
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assert resolve_provider("auto") == "gemini"
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def test_google_api_key_priority_over_gemini(self, monkeypatch):
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monkeypatch.setenv("GOOGLE_API_KEY", "primary-key")
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monkeypatch.setenv("GEMINI_API_KEY", "alias-key")
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creds = resolve_api_key_provider_credentials("gemini")
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assert creds["api_key"] == "primary-key"
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assert creds["source"] == "GOOGLE_API_KEY"
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# ── Credential Resolution ──
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class TestGeminiCredentials:
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def test_resolve_with_google_api_key(self, monkeypatch):
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monkeypatch.setenv("GOOGLE_API_KEY", "google-secret")
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creds = resolve_api_key_provider_credentials("gemini")
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assert creds["provider"] == "gemini"
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assert creds["api_key"] == "google-secret"
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assert creds["base_url"] == "https://generativelanguage.googleapis.com/v1beta/openai"
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def test_resolve_with_gemini_api_key(self, monkeypatch):
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monkeypatch.setenv("GEMINI_API_KEY", "gemini-secret")
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creds = resolve_api_key_provider_credentials("gemini")
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assert creds["api_key"] == "gemini-secret"
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def test_resolve_with_custom_base_url(self, monkeypatch):
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monkeypatch.setenv("GOOGLE_API_KEY", "key")
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monkeypatch.setenv("GEMINI_BASE_URL", "https://custom.endpoint/v1")
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creds = resolve_api_key_provider_credentials("gemini")
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assert creds["base_url"] == "https://custom.endpoint/v1"
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def test_runtime_gemini(self, monkeypatch):
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monkeypatch.setenv("GOOGLE_API_KEY", "google-key")
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from hermes_cli.runtime_provider import resolve_runtime_provider
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result = resolve_runtime_provider(requested="gemini")
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assert result["provider"] == "gemini"
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assert result["api_mode"] == "chat_completions"
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assert result["api_key"] == "google-key"
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assert result["base_url"] == "https://generativelanguage.googleapis.com/v1beta/openai"
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# ── Model Catalog ──
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class TestGeminiModelCatalog:
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def test_provider_models_exist(self):
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assert "gemini" in _PROVIDER_MODELS
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models = _PROVIDER_MODELS["gemini"]
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assert "gemini-2.5-pro" in models
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assert "gemini-2.5-flash" in models
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assert "gemma-4-31b-it" in models
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def test_provider_label(self):
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assert "gemini" in _PROVIDER_LABELS
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assert _PROVIDER_LABELS["gemini"] == "Google AI Studio"
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# ── Model Normalization ──
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class TestGeminiModelNormalization:
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def test_passthrough_bare_name(self):
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assert normalize_model_for_provider("gemini-2.5-flash", "gemini") == "gemini-2.5-flash"
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def test_strip_vendor_prefix(self):
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assert normalize_model_for_provider("google/gemini-2.5-flash", "gemini") == "google/gemini-2.5-flash"
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def test_gemma_vendor_detection(self):
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assert detect_vendor("gemma-4-31b-it") == "google"
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def test_gemini_vendor_detection(self):
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assert detect_vendor("gemini-2.5-flash") == "google"
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def test_aggregator_prepends_vendor(self):
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result = normalize_model_for_provider("gemini-2.5-flash", "openrouter")
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assert result == "google/gemini-2.5-flash"
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def test_gemma_aggregator_prepends_vendor(self):
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result = normalize_model_for_provider("gemma-4-31b-it", "openrouter")
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assert result == "google/gemma-4-31b-it"
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# ── Context Length ──
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class TestGeminiContextLength:
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def test_gemma_4_31b_context(self):
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ctx = get_model_context_length("gemma-4-31b-it", provider="gemini")
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assert ctx == 262144
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def test_gemma_4_e4b_context(self):
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ctx = get_model_context_length("gemma-4-e4b-it", provider="gemini")
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assert ctx == 131072
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# ── Agent Init (no SyntaxError) ──
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class TestGeminiAgentInit:
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def test_agent_imports_without_error(self):
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"""Verify run_agent.py has no SyntaxError (the critical bug)."""
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import importlib
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import run_agent
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importlib.reload(run_agent)
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def test_gemini_agent_uses_chat_completions(self, monkeypatch):
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"""Gemini falls through to chat_completions — no special elif needed."""
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monkeypatch.setenv("GOOGLE_API_KEY", "test-key")
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with patch("run_agent.OpenAI") as mock_openai:
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mock_openai.return_value = MagicMock()
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from run_agent import AIAgent
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agent = AIAgent(
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model="gemini-2.5-flash",
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provider="gemini",
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api_key="test-key",
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base_url="https://generativelanguage.googleapis.com/v1beta/openai",
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)
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assert agent.api_mode == "chat_completions"
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assert agent.provider == "gemini"
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