ai-agent-book 精选快照（<2MB 代码与文档，来自 github.com/bojieli/ai-agent-book）

chapter9/self-evolving-tools/test_search_null_fields.py

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+from tool_manager import ToolLibrary
+import tempfile
+from pathlib import Path
+
+
+def test_search_null_name_or_description():
+    with tempfile.TemporaryDirectory() as tmpdir:
+        lib = ToolLibrary(library_dir=Path(tmpdir))
+        # Create a tool file manually with null description
+        p = Path(tmpdir) / "null_desc.json"
+        p.write_text('{"name": "null_desc", "description": null, "parameters": {}, "code": "def run(): pass"}')
+
+        res = lib.search_tools("null")
+        assert res["success"] is True
+        assert res["count"] == 1
+        assert res["tools"][0]["name"] == "null_desc"
+def test_get_tool_non_dict_json():
+    with tempfile.TemporaryDirectory() as tmpdir:
+        lib = ToolLibrary(library_dir=Path(tmpdir))
+        p = Path(tmpdir) / "bad_list.json"
+        p.write_text('[1, 2, 3]')
+        assert lib.get_tool("bad_list") is None