test_character_text_splitting_args() — langchain Function Reference

Architecture documentation for the test_character_text_splitting_args() function in test_text_splitters.py from the langchain codebase.

Function python LangChainCore Runnables

Entity Profile

LangChainCore→ Runnables→ test_character_text_splitting_args() — langchain Function Reference

Dependency Diagram

graph TD
  f7febfbb_d5d8_8eaa_a2bf_7ab0bc6eb5b8["test_character_text_splitting_args()"]
  6d6b8ad4_1cfe_fbb0_e58e_76a50487c135["test_text_splitters.py"]
  f7febfbb_d5d8_8eaa_a2bf_7ab0bc6eb5b8 -->|defined in| 6d6b8ad4_1cfe_fbb0_e58e_76a50487c135
  style f7febfbb_d5d8_8eaa_a2bf_7ab0bc6eb5b8 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/text-splitters/tests/unit_tests/test_text_splitters.py lines 266–279

def test_character_text_splitting_args() -> None:
    """Test invalid arguments."""
    with pytest.raises(
        ValueError,
        match=re.escape(
            "Got a larger chunk overlap (4) than chunk size (2), should be smaller."
        ),
    ):
        CharacterTextSplitter(chunk_size=2, chunk_overlap=4)
    for invalid_size in (0, -1):
        with pytest.raises(ValueError, match="chunk_size must be > 0, got"):
            CharacterTextSplitter(chunk_size=invalid_size)
    with pytest.raises(ValueError, match="chunk_overlap must be >= 0, got -1"):
        CharacterTextSplitter(chunk_size=2, chunk_overlap=-1)