test_guard_import() — langchain Function Reference

Architecture documentation for the test_guard_import() function in test_utils.py from the langchain codebase.

Function python LangChainCore MessageInterface

Entity Profile

LangChainCore→ MessageInterface→ test_guard_import() — langchain Function Reference

Dependency Diagram

graph TD
  75315111_415d_9bc1_f39b_8bba82cf25fd["test_guard_import()"]
  76328b48_c466_d255_3e8f_a315858c4c02["test_utils.py"]
  75315111_415d_9bc1_f39b_8bba82cf25fd -->|defined in| 76328b48_c466_d255_3e8f_a315858c4c02
  style 75315111_415d_9bc1_f39b_8bba82cf25fd fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/tests/unit_tests/utils/test_utils.py lines 174–188

def test_guard_import(
    module_name: str, pip_name: str | None, package: str | None, expected: Any
) -> None:
    if package is None and pip_name is None:
        ret = guard_import(module_name)
    elif package is None and pip_name is not None:
        ret = guard_import(module_name, pip_name=pip_name)
    elif package is not None and pip_name is None:
        ret = guard_import(module_name, package=package)
    elif package is not None and pip_name is not None:
        ret = guard_import(module_name, pip_name=pip_name, package=package)
    else:
        msg = "Invalid test case"
        raise ValueError(msg)
    assert ret == expected