test_add_usage_with_details() — langchain Function Reference

Architecture documentation for the test_add_usage_with_details() function in test_ai.py from the langchain codebase.

Function python LangChainCore MessageInterface

Entity Profile

LangChainCore→ MessageInterface→ test_add_usage_with_details() — langchain Function Reference

Dependency Diagram

graph TD
  0e4f2812_0eb4_2ee5_f8e1_5ab85c2d44ec["test_add_usage_with_details()"]
  f148f3ce_73bd_627d_a979_33d23ebac843["test_ai.py"]
  0e4f2812_0eb4_2ee5_f8e1_5ab85c2d44ec -->|defined in| f148f3ce_73bd_627d_a979_33d23ebac843
  style 0e4f2812_0eb4_2ee5_f8e1_5ab85c2d44ec fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/tests/unit_tests/messages/test_ai.py lines 126–143

def test_add_usage_with_details() -> None:
    usage1 = UsageMetadata(
        input_tokens=10,
        output_tokens=20,
        total_tokens=30,
        input_token_details=InputTokenDetails(audio=5),
        output_token_details=OutputTokenDetails(reasoning=10),
    )
    usage2 = UsageMetadata(
        input_tokens=5,
        output_tokens=10,
        total_tokens=15,
        input_token_details=InputTokenDetails(audio=3),
        output_token_details=OutputTokenDetails(reasoning=5),
    )
    result = add_usage(usage1, usage2)
    assert result["input_token_details"]["audio"] == 8
    assert result["output_token_details"]["reasoning"] == 15