Python: Introducing Foundry Local Chat Clients (#2915)

* redo foundry local chat client

* fix mypy and spelling

* better docstring, updated sample

* fixed tests and added tests

* small sample update

python/packages/foundry_local/tests/conftest.py

@@ -0,0 +1,55 @@
+# Copyright (c) Microsoft. All rights reserved.
+from typing import Any
+from unittest.mock import MagicMock
+
+from pytest import fixture
+
+
+@fixture
+def exclude_list(request: Any) -> list[str]:
+    """Fixture that returns a list of environment variables to exclude."""
+    return request.param if hasattr(request, "param") else []
+
+
+@fixture
+def override_env_param_dict(request: Any) -> dict[str, str]:
+    """Fixture that returns a dict of environment variables to override."""
+    return request.param if hasattr(request, "param") else {}
+
+
+@fixture()
+def foundry_local_unit_test_env(monkeypatch: Any, exclude_list: list[str], override_env_param_dict: dict[str, str]):
+    """Fixture to set environment variables for FoundryLocalSettings."""
+    if exclude_list is None:
+        exclude_list = []
+
+    if override_env_param_dict is None:
+        override_env_param_dict = {}
+
+    env_vars = {
+        "FOUNDRY_LOCAL_MODEL_ID": "test-model-id",
+    }
+
+    env_vars.update(override_env_param_dict)
+
+    for key, value in env_vars.items():
+        if key in exclude_list:
+            monkeypatch.delenv(key, raising=False)
+            continue
+        monkeypatch.setenv(key, value)
+
+    return env_vars
+
+
+@fixture
+def mock_foundry_local_manager() -> MagicMock:
+    """Fixture that provides a mock FoundryLocalManager."""
+    mock_manager = MagicMock()
+    mock_manager.endpoint = "http://localhost:5272/v1"
+    mock_manager.api_key = "test-api-key"
+
+    mock_model_info = MagicMock()
+    mock_model_info.id = "test-model-id"
+    mock_manager.get_model_info.return_value = mock_model_info
+
+    return mock_manager