test_javascript_code_splitter() — langchain Function Reference

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

Function python LangChainCore MessageInterface

Entity Profile

LangChainCore→ MessageInterface→ test_javascript_code_splitter() — langchain Function Reference

Dependency Diagram

graph TD
  e05799d1_861c_30a4_aded_94277000f036["test_javascript_code_splitter()"]
  6d6b8ad4_1cfe_fbb0_e58e_76a50487c135["test_text_splitters.py"]
  e05799d1_861c_30a4_aded_94277000f036 -->|defined in| 6d6b8ad4_1cfe_fbb0_e58e_76a50487c135
  style e05799d1_861c_30a4_aded_94277000f036 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/text-splitters/tests/unit_tests/test_text_splitters.py lines 772–795

def test_javascript_code_splitter() -> None:
    splitter = RecursiveCharacterTextSplitter.from_language(
        Language.JS, chunk_size=CHUNK_SIZE, chunk_overlap=0
    )
    code = """
function helloWorld() {
  console.log("Hello, World!");
}

// Call the function
helloWorld();
    """
    chunks = splitter.split_text(code)
    assert chunks == [
        "function",
        "helloWorld() {",
        'console.log("He',
        "llo,",
        'World!");',
        "}",
        "// Call the",
        "function",
        "helloWorld();",
    ]