test__merge_messages_mutation() — langchain Function Reference

Architecture documentation for the test__merge_messages_mutation() function in test_chat_models.py from the langchain codebase.

Function python LangChainCore LanguageModelBase

Entity Profile

LangChainCore→ LanguageModelBase→ test__merge_messages_mutation() — langchain Function Reference

Dependency Diagram

graph TD
  321e7f73_b641_b0b8_223d_4ccb436f7fd4["test__merge_messages_mutation()"]
  18428dc5_a41b_90c6_88ad_615296ee3311["test_chat_models.py"]
  321e7f73_b641_b0b8_223d_4ccb436f7fd4 -->|defined in| 18428dc5_a41b_90c6_88ad_615296ee3311
  style 321e7f73_b641_b0b8_223d_4ccb436f7fd4 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/partners/anthropic/tests/unit_tests/test_chat_models.py lines 396–412

def test__merge_messages_mutation() -> None:
    original_messages = [
        HumanMessage([{"type": "text", "text": "bar"}]),  # type: ignore[misc]
        HumanMessage("next thing"),  # type: ignore[misc]
    ]
    messages = [
        HumanMessage([{"type": "text", "text": "bar"}]),  # type: ignore[misc]
        HumanMessage("next thing"),  # type: ignore[misc]
    ]
    expected = [
        HumanMessage(  # type: ignore[misc]
            [{"type": "text", "text": "bar"}, {"type": "text", "text": "next thing"}],
        ),
    ]
    actual = _merge_messages(messages)
    assert expected == actual
    assert messages == original_messages