test_single_input_error() — langchain Function Reference

Architecture documentation for the test_single_input_error() function in test_base.py from the langchain codebase.

Function python LangChainCore LanguageModelBase

Entity Profile

LangChainCore→ LanguageModelBase→ test_single_input_error() — langchain Function Reference

Dependency Diagram

graph TD
  6be315b9_4347_98b7_92ca_84c338dd57d7["test_single_input_error()"]
  cbc5b920_9825_eac5_8cc4_bc8187fb214c["test_base.py"]
  6be315b9_4347_98b7_92ca_84c338dd57d7 -->|defined in| cbc5b920_9825_eac5_8cc4_bc8187fb214c
  style 6be315b9_4347_98b7_92ca_84c338dd57d7 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain/tests/unit_tests/chains/test_base.py lines 108–112

def test_single_input_error() -> None:
    """Test passing single input errors as expected."""
    chain = FakeChain(the_input_keys=["foo", "bar"])
    with pytest.raises(ValueError, match="Missing some input keys:"):
        chain("bar")