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test_get_buffer_string_xml_text_plain_truncation() — langchain Function Reference

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

Function python CoreAbstractions MessageSchema

Entity Profile

Dependency Diagram

graph TD
  e20eedaa_4772_d6f5_c8a2_d3c3d10e50e1["test_get_buffer_string_xml_text_plain_truncation()"]
  ea3f8d89_f44b_6738_3cb9_a740a73cfca4["test_utils.py"]
  e20eedaa_4772_d6f5_c8a2_d3c3d10e50e1 -->|defined in| ea3f8d89_f44b_6738_3cb9_a740a73cfca4
  style e20eedaa_4772_d6f5_c8a2_d3c3d10e50e1 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/tests/unit_tests/messages/test_utils.py lines 2579–2592

def test_get_buffer_string_xml_text_plain_truncation() -> None:
    """Test that text-plain content is truncated to 500 chars."""
    long_text = "x" * 600
    messages: list[BaseMessage] = [
        HumanMessage(
            content=[
                {"type": "text-plain", "text": long_text, "mime_type": "text/plain"},
            ]
        ),
    ]
    result = get_buffer_string(messages, format="xml")
    # Should be truncated to 500 chars + "..."
    assert "x" * 500 + "..." in result
    assert "x" * 501 not in result

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Defined In

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Frequently Asked Questions

What does test_get_buffer_string_xml_text_plain_truncation() do?
test_get_buffer_string_xml_text_plain_truncation() is a function in the langchain codebase, defined in libs/core/tests/unit_tests/messages/test_utils.py.
Where is test_get_buffer_string_xml_text_plain_truncation() defined?
test_get_buffer_string_xml_text_plain_truncation() is defined in libs/core/tests/unit_tests/messages/test_utils.py at line 2579.

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