test_prompt_empty_input_variable() — langchain Function Reference

Architecture documentation for the test_prompt_empty_input_variable() function in test_prompt.py from the langchain codebase.

Function python CoreAbstractions Serialization

Entity Profile

CoreAbstractions→ Serialization→ test_prompt_empty_input_variable() — langchain Function Reference

Dependency Diagram

graph TD
  bbb9561f_868f_850a_7a72_988bdd0cfcb4["test_prompt_empty_input_variable()"]
  af1b998b_a7bf_9d5c_32ef_bab507a6bee3["test_prompt.py"]
  bbb9561f_868f_850a_7a72_988bdd0cfcb4 -->|defined in| af1b998b_a7bf_9d5c_32ef_bab507a6bee3
  style bbb9561f_868f_850a_7a72_988bdd0cfcb4 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/tests/unit_tests/prompts/test_prompt.py lines 280–286

def test_prompt_empty_input_variable() -> None:
    """Test error is raised when empty string input variable."""
    with pytest.raises(
        ValueError,
        match=re.escape("check for mismatched or missing input parameters from ['']"),
    ):
        PromptTemplate(input_variables=[""], template="{}", validate_template=True)