test_add_usage_one_none() — langchain Function Reference

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

Function python LangChainCore MessageInterface

Entity Profile

LangChainCore→ MessageInterface→ test_add_usage_one_none() — langchain Function Reference

Dependency Diagram

graph TD
  ae59a6ab_6db0_e802_bdfb_844d3d3929e4["test_add_usage_one_none()"]
  f148f3ce_73bd_627d_a979_33d23ebac843["test_ai.py"]
  ae59a6ab_6db0_e802_bdfb_844d3d3929e4 -->|defined in| f148f3ce_73bd_627d_a979_33d23ebac843
  style ae59a6ab_6db0_e802_bdfb_844d3d3929e4 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/tests/unit_tests/messages/test_ai.py lines 113–116

def test_add_usage_one_none() -> None:
    usage = UsageMetadata(input_tokens=10, output_tokens=20, total_tokens=30)
    result = add_usage(usage, None)
    assert result == usage