test_convert_to_messages() — langchain Function Reference

Architecture documentation for the test_convert_to_messages() function in test_utils.py from the langchain codebase.

Function python LangChainCore ApiManagement

Entity Profile

LangChainCore→ ApiManagement→ test_convert_to_messages() — langchain Function Reference

Dependency Diagram

graph TD
  07f8388a_363a_949a_9528_b323c06db2a9["test_convert_to_messages()"]
  03f6a5ae_d57a_eb66_626a_b9e082b763ea["test_utils.py"]
  07f8388a_363a_949a_9528_b323c06db2a9 -->|defined in| 03f6a5ae_d57a_eb66_626a_b9e082b763ea
  style 07f8388a_363a_949a_9528_b323c06db2a9 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/tests/unit_tests/messages/test_utils.py lines 766–943

def test_convert_to_messages() -> None:
    message_like: list = [
        # BaseMessage
        SystemMessage("1"),
        SystemMessage("1.1", additional_kwargs={"__openai_role__": "developer"}),
        HumanMessage([{"type": "image_url", "image_url": {"url": "2.1"}}], name="2.2"),
        AIMessage(
            [
                {"type": "text", "text": "3.1"},
                {
                    "type": "tool_use",
                    "id": "3.2",
                    "name": "3.3",
                    "input": {"3.4": "3.5"},
                },
            ]
        ),
        AIMessage(
            [
                {"type": "text", "text": "4.1"},
                {
                    "type": "tool_use",
                    "id": "4.2",
                    "name": "4.3",
                    "input": {"4.4": "4.5"},
                },
            ],
            tool_calls=[
                {
                    "name": "4.3",
                    "args": {"4.4": "4.5"},
                    "id": "4.2",
                    "type": "tool_call",
                }
            ],
        ),
        ToolMessage("5.1", tool_call_id="5.2", name="5.3"),
        # OpenAI dict
        {"role": "system", "content": "6"},
        {"role": "developer", "content": "6.1"},
        {
            "role": "user",
            "content": [{"type": "image_url", "image_url": {"url": "7.1"}}],
            "name": "7.2",
        },
        {
            "role": "assistant",
            "content": [{"type": "text", "text": "8.1"}],
            "tool_calls": [
                {
                    "type": "function",
                    "function": {
                        "arguments": json.dumps({"8.2": "8.3"}),
                        "name": "8.4",
                    },
                    "id": "8.5",
                }
            ],
            "name": "8.6",
        },
        {"role": "tool", "content": "10.1", "tool_call_id": "10.2"},
        # Tuple/List
        ("system", "11.1"),
        ("developer", "11.2"),
        ("human", [{"type": "image_url", "image_url": {"url": "12.1"}}]),
        (
            "ai",
            [
                {"type": "text", "text": "13.1"},
                {
                    "type": "tool_use",
                    "id": "13.2",
                    "name": "13.3",
                    "input": {"13.4": "13.5"},
                },
            ],
        ),
        # String
        "14.1",
        # LangChain dict
        {