test_partial_init_func() — langchain Function Reference

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

Function python CoreAbstractions RunnableInterface

Entity Profile

CoreAbstractions→ RunnableInterface→ test_partial_init_func() — langchain Function Reference

Dependency Diagram

graph TD
  ea56b5f9_9dd6_c9fe_0307_420eef600b57["test_partial_init_func()"]
  af1b998b_a7bf_9d5c_32ef_bab507a6bee3["test_prompt.py"]
  ea56b5f9_9dd6_c9fe_0307_420eef600b57 -->|defined in| af1b998b_a7bf_9d5c_32ef_bab507a6bee3
  style ea56b5f9_9dd6_c9fe_0307_420eef600b57 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/tests/unit_tests/prompts/test_prompt.py lines 395–404

def test_partial_init_func() -> None:
    """Test prompt can be initialized with partial variables."""
    template = "This is a {foo} test."
    prompt = PromptTemplate(
        input_variables=[], template=template, partial_variables={"foo": lambda: 2}
    )
    assert prompt.template == template
    assert prompt.input_variables == []
    result = prompt.format()
    assert result == "This is a 2 test."