test_vformat_raises_on_positional_args() — langchain Function Reference

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

Function python LangChainCore MessageInterface

Entity Profile

LangChainCore→ MessageInterface→ test_vformat_raises_on_positional_args() — langchain Function Reference

Dependency Diagram

graph TD
  f50dfb16_a5ae_1f7c_709c_309b1dd2ebe3["test_vformat_raises_on_positional_args()"]
  ebdb4f36_5c2e_c9a8_3bea_1b5dbb18c99d["TestStrictFormatter"]
  f50dfb16_a5ae_1f7c_709c_309b1dd2ebe3 -->|defined in| ebdb4f36_5c2e_c9a8_3bea_1b5dbb18c99d
  style f50dfb16_a5ae_1f7c_709c_309b1dd2ebe3 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/tests/unit_tests/utils/test_formatting.py lines 39–47

    def test_vformat_raises_on_positional_args(self) -> None:
        """Test that `vformat` raises `ValueError` when positional args are provided."""
        fmt = StrictFormatter()
        with pytest.raises(
            ValueError,
            match=r"No arguments should be provided, "
            r"everything should be passed as keyword arguments\.",
        ):
            fmt.vformat("{}", ["arg"], {})