test: narrow optional tool call before accessing arguments

chuenchen309 · claude · chuenchen309 · commit 952f73e47a55 · 2026-07-15T22:36:11.000+08:00
Co-Authored-By: Claude Opus 4.8 &lt;noreply@anthropic.com&gt;
diff --git a/test/dataclasses/test_chat_message.py b/test/dataclasses/test_chat_message.py
@@ -985,6 +985,7 @@ def test_from_openai_dict_format_tool_call_with_missing_arguments(self):
             "tool_calls": [{"id": "call_1", "function": {"name": "now"}}],
         }
         message = ChatMessage.from_openai_dict_format(openai_msg)
+        assert message.tool_call is not None
         assert message.tool_call.arguments == {}
 
     def test_from_openai_dict_format_tool_message(self):

Original file line number	Diff line number	Diff line change
`@@ -985,6 +985,7 @@ def test_from_openai_dict_format_tool_call_with_missing_arguments(self):`
`985`	`985`	`"tool_calls": [{"id": "call_1", "function": {"name": "now"}}],`
`986`	`986`	`}`
`987`	`987`	`message = ChatMessage.from_openai_dict_format(openai_msg)`
	`988`	`+ assert message.tool_call is not None`
`988`	`989`	`assert message.tool_call.arguments == {}`
`989`	`990`
`990`	`991`	`def test_from_openai_dict_format_tool_message(self):`