test_function_message_chunks() — langchain Function Reference

Architecture documentation for the test_function_message_chunks() function in test_messages.py from the langchain codebase.

Function python CoreAbstractions MessageSchema

Entity Profile

CoreAbstractions→ MessageSchema→ test_function_message_chunks() — langchain Function Reference

Dependency Diagram

graph TD
  ad64553c_6b45_214c_0035_d1db4e1fecd5["test_function_message_chunks()"]
  3f9e7dd9_29c9_13fc_d3d8_a14d452f0d26["test_messages.py"]
  ad64553c_6b45_214c_0035_d1db4e1fecd5 -->|defined in| 3f9e7dd9_29c9_13fc_d3d8_a14d452f0d26
  style ad64553c_6b45_214c_0035_d1db4e1fecd5 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/tests/unit_tests/test_messages.py lines 308–321

def test_function_message_chunks() -> None:
    assert FunctionMessageChunk(
        name="hello", content="I am", id="ai5"
    ) + FunctionMessageChunk(name="hello", content=" indeed.") == FunctionMessageChunk(
        id="ai5", name="hello", content="I am indeed."
    ), "FunctionMessageChunk + FunctionMessageChunk should be a FunctionMessageChunk"

    with pytest.raises(
        ValueError,
        match="Cannot concatenate FunctionMessageChunks with different names",
    ):
        FunctionMessageChunk(name="hello", content="I am") + FunctionMessageChunk(
            name="bye", content=" indeed."
        )