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_normalize_schema_bare_object.py

@@ -0,0 +1,58 @@
+"""normalize_schema must keep bare {"type":"object"} as an empty-object schema while preserving extra metadata."""
+
+from tool_manager import normalize_schema
+
+
+def test_bare_object_type_stays_empty_properties():
+    assert normalize_schema({"type": "object"}) == {
+        "type": "object",
+        "properties": {},
+    }
+
+
+def test_object_with_required_keeps_required_not_as_property():
+    assert normalize_schema({"type": "object", "required": []}) == {
+        "type": "object",
+        "properties": {},
+        "required": [],
+    }
+
+
+def test_object_with_properties_unchanged():
+    schema = {
+        "type": "object",
+        "properties": {"x": {"type": "string"}},
+        "required": ["x"],
+    }
+    assert normalize_schema(schema) == schema
+
+
+def test_properties_only_still_gets_object_type():
+    assert normalize_schema({"properties": {"y": {"type": "number"}}}) == {
+        "type": "object",
+        "properties": {"y": {"type": "number"}},
+    }
+
+
+def test_plain_property_map_still_wrapped():
+    assert normalize_schema({"z": {"type": "boolean"}}) == {
+        "type": "object",
+        "properties": {"z": {"type": "boolean"}},
+    }
+
+
+def test_object_retains_extra_metadata():
+    schema = {
+        "type": "object",
+        "description": "Tool parameters",
+        "additionalProperties": False,
+        "$defs": {"Item": {"type": "string"}},
+    }
+    expected = {
+        "type": "object",
+        "properties": {},
+        "description": "Tool parameters",
+        "additionalProperties": False,
+        "$defs": {"Item": {"type": "string"}},
+    }
+    assert normalize_schema(schema) == expected