test_merge_lists() — langchain Function Reference

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

Function python LangChainCore MessageInterface

Entity Profile

LangChainCore→ MessageInterface→ test_merge_lists() — langchain Function Reference

Dependency Diagram

graph TD
  243cabd1_e1e8_3cc2_8df7_8bacd68fa3a2["test_merge_lists()"]
  76328b48_c466_d255_3e8f_a315858c4c02["test_utils.py"]
  243cabd1_e1e8_3cc2_8df7_8bacd68fa3a2 -->|defined in| 76328b48_c466_d255_3e8f_a315858c4c02
  style 243cabd1_e1e8_3cc2_8df7_8bacd68fa3a2 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/tests/unit_tests/utils/test_utils.py lines 426–435

def test_merge_lists(
    left: list | None, right: list | None, expected: list | None
) -> None:
    left_copy = deepcopy(left)
    right_copy = deepcopy(right)
    actual = merge_lists(left, right)
    assert actual == expected
    # Verify no mutation
    assert left == left_copy
    assert right == right_copy