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test_chat_prompt_template_data_prompt_from_message() — langchain Function Reference

Architecture documentation for the test_chat_prompt_template_data_prompt_from_message() function in test_chat.py from the langchain codebase.

Function python CoreAbstractions MessageSchema

Entity Profile

Dependency Diagram

graph TD
  cc6489a8_106d_3877_f15a_fe23014c4b5a["test_chat_prompt_template_data_prompt_from_message()"]
  bf3138ca_0068_68ea_f479_35376e264d13["test_chat.py"]
  cc6489a8_106d_3877_f15a_fe23014c4b5a -->|defined in| bf3138ca_0068_68ea_f479_35376e264d13
  style cc6489a8_106d_3877_f15a_fe23014c4b5a fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/tests/unit_tests/prompts/test_chat.py lines 1414–1458

def test_chat_prompt_template_data_prompt_from_message(
    template_format: PromptTemplateFormat,
    cache_control_placeholder: str,
    source_data_placeholder: str,
) -> None:
    prompt: dict[str, Any] = {
        "type": "image",
        "source_type": "base64",
        "data": f"{source_data_placeholder}",
    }

    template = ChatPromptTemplate.from_messages(
        [("human", [prompt])], template_format=template_format
    )
    assert template.format_messages(source_data="base64data") == [
        HumanMessage(
            content=[
                {
                    "type": "image",
                    "source_type": "base64",
                    "data": "base64data",
                }
            ]
        )
    ]

    # metadata
    prompt["metadata"] = {"cache_control": {"type": f"{cache_control_placeholder}"}}
    template = ChatPromptTemplate.from_messages(
        [("human", [prompt])], template_format=template_format
    )
    assert template.format_messages(
        cache_type="ephemeral", source_data="base64data"
    ) == [
        HumanMessage(
            content=[
                {
                    "type": "image",
                    "source_type": "base64",
                    "data": "base64data",
                    "metadata": {"cache_control": {"type": "ephemeral"}},
                }
            ]
        )
    ]

Domain

Subdomains

Defined In

Source

Frequently Asked Questions

What does test_chat_prompt_template_data_prompt_from_message() do?
test_chat_prompt_template_data_prompt_from_message() is a function in the langchain codebase, defined in libs/core/tests/unit_tests/prompts/test_chat.py.
Where is test_chat_prompt_template_data_prompt_from_message() defined?
test_chat_prompt_template_data_prompt_from_message() is defined in libs/core/tests/unit_tests/prompts/test_chat.py at line 1414.

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