From 90a245b97904a1199cb1a42c9afdf9e8c24d01fd Mon Sep 17 00:00:00 2001
From: vbarda <vadym@langchain.dev>
Date: Thu, 6 Feb 2025 16:50:04 -0500
Subject: [PATCH] check passing message names

---
 .../langchain_tests/integration_tests/chat_models.py       | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/libs/standard-tests/langchain_tests/integration_tests/chat_models.py b/libs/standard-tests/langchain_tests/integration_tests/chat_models.py
index 0b0c6a54046..c30d6331179 100644
--- a/libs/standard-tests/langchain_tests/integration_tests/chat_models.py
+++ b/libs/standard-tests/langchain_tests/integration_tests/chat_models.py
@@ -419,6 +419,13 @@ class ChatModelIntegrationTests(ChatModelTests):
         assert isinstance(result.content, str)
         assert len(result.content) > 0
 
+    def test_invoke_messages_with_names(self, model: BaseChatModel) -> None:
+        result = model.invoke([HumanMessage("Hello", name="Bob"), AIMessage("How are you?", name="Alice"), HumanMessage("I'm fine, thank you! Tell me a joke.", name="Bob")])
+        assert result is not None
+        assert isinstance(result, AIMessage)
+        assert isinstance(result.content, str)
+        assert len(result.content) > 0
+
     async def test_ainvoke(self, model: BaseChatModel) -> None:
         """Test to verify that `await model.ainvoke(simple_message)` works.