support non value for test config

llama_stack/providers/tests/conftest.py

@@ -13,11 +13,11 @@ import pytest
 import yaml
 
 from dotenv import load_dotenv
-from pydantic import BaseModel, Field
-from termcolor import colored
 
 from llama_stack.distribution.datatypes import Provider
 from llama_stack.providers.datatypes import RemoteProviderConfig
+from pydantic import BaseModel, Field
+from termcolor import colored
 
 from .env import get_env_or_fail
 
@@ -265,14 +265,9 @@ def pytest_collection_modifyitems(session, config, items):
         return
 
     required_tests = defaultdict(set)
-    for api_test_config in [
-        test_config.inference,
-        test_config.memory,
-        test_config.agents,
-    ]:
-        if api_test_config is None:
-            continue
-        for test in api_test_config.tests:
+    test_configs = [test_config.inference, test_config.memory, test_config.agent]
+    for test_config in test_configs:
+        for test in test_config.tests:
             arr = test.split("::")
             if len(arr) != 2:
                 raise ValueError(f"Invalid format for test name {test}")

llama_stack/providers/tests/test_config_helper.py

@@ -0,0 +1,76 @@
+# Copyright (c) Meta Platforms, Inc. and affiliates.
+# All rights reserved.
+#
+# This source code is licensed under the terms described in the LICENSE file in
+# the root directory of this source tree.
+
+from dataclasses import dataclass
+from pathlib import Path
+from typing import Dict, List, Optional
+
+import pytest
+import yaml
+from pydantic import BaseModel, Field
+
+
+@dataclass
+class APITestConfig(BaseModel):
+
+    class Fixtures(BaseModel):
+        # provider fixtures can be either a mark or a dictionary of api -> providers
+        provider_fixtures: List[Dict[str, str]] = Field(default_factory=list)
+        inference_models: List[str] = Field(default_factory=list)
+        safety_shield: Optional[str] = Field(default_factory=None)
+        embedding_model: Optional[str] = Field(default_factory=None)
+
+    fixtures: Fixtures
+    tests: List[str] = Field(default_factory=list)
+
+    # test name format should be <relative_path.py>::<test_name>
+
+
+class TestConfig(BaseModel):
+
+    inference: APITestConfig
+    agent: Optional[APITestConfig] = Field(default=None)
+    memory: Optional[APITestConfig] = Field(default=None)
+
+
+CONFIG_CACHE = None
+
+
+def try_load_config_file_cached(config_file):
+    if config_file is None:
+        return None
+    if CONFIG_CACHE is not None:
+        return CONFIG_CACHE
+
+    config_file_path = Path(__file__).parent / config_file
+    if not config_file_path.exists():
+        raise ValueError(
+            f"Test config {config_file} was specified but not found. Please make sure it exists in the llama_stack/providers/tests directory."
+        )
+    with open(config_file_path, "r") as config_file:
+        config = yaml.safe_load(config_file)
+        return TestConfig(**config)
+
+
+def get_provider_fixtures_from_config(
+    provider_fixtures_config, default_fixture_combination
+):
+    custom_fixtures = []
+    selected_default_param_id = set()
+    for fixture_config in provider_fixtures_config:
+        if "default_fixture_param_id" in fixture_config:
+            selected_default_param_id.add(fixture_config["default_fixture_param_id"])
+        else:
+            custom_fixtures.append(
+                pytest.param(fixture_config, id=fixture_config.get("inference") or "")
+            )
+
+    if len(selected_default_param_id) > 0:
+        for default_fixture in default_fixture_combination:
+            if default_fixture.id in selected_default_param_id:
+                custom_fixtures.append(default_fixture)
+
+    return custom_fixtures