test_formatter_format_works() — langchain Function Reference

Architecture documentation for the test_formatter_format_works() function in test_formatting.py from the langchain codebase.

Function python LangChainCore MessageInterface

Entity Profile

LangChainCore→ MessageInterface→ test_formatter_format_works() — langchain Function Reference

Dependency Diagram

graph TD
  61f0dcf8_3193_2b68_3f1e_09ea48119ef6["test_formatter_format_works()"]
  57618b7d_943a_63b5_3b0f_3de3e8bbbfc1["TestFormatterSingleton"]
  61f0dcf8_3193_2b68_3f1e_09ea48119ef6 -->|defined in| 57618b7d_943a_63b5_3b0f_3de3e8bbbfc1
  style 61f0dcf8_3193_2b68_3f1e_09ea48119ef6 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/tests/unit_tests/utils/test_formatting.py lines 119–122

    def test_formatter_format_works(self) -> None:
        """Test that the formatter singleton can format strings."""
        result = formatter.format("{greeting}, {name}!", greeting="Hello", name="World")
        assert result == "Hello, World!"