test_existing_string_functions() — langchain Function Reference

Architecture documentation for the test_existing_string_functions() function in test_strings.py from the langchain codebase.

Function python LangChainCore MessageInterface

Entity Profile

LangChainCore→ MessageInterface→ test_existing_string_functions() — langchain Function Reference

Dependency Diagram

graph TD
  c0e4edc3_d00c_9c75_9b1b_94a2c77c242e["test_existing_string_functions()"]
  9be82f42_d737_5877_175a_d8f44b4fa567["test_strings.py"]
  c0e4edc3_d00c_9c75_9b1b_94a2c77c242e -->|defined in| 9be82f42_d737_5877_175a_d8f44b4fa567
  style c0e4edc3_d00c_9c75_9b1b_94a2c77c242e fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/tests/unit_tests/utils/test_strings.py lines 35–49

def test_existing_string_functions() -> None:
    """Test existing string functions still work."""
    # Test comma_list
    assert comma_list([1, 2, 3]) == "1, 2, 3"
    assert comma_list(["a", "b", "c"]) == "a, b, c"

    # Test stringify_value
    assert stringify_value("hello") == "hello"
    assert stringify_value(42) == "42"

    # Test stringify_dict
    data = {"key": "value", "number": 123}
    result = stringify_dict(data)
    assert "key: value" in result
    assert "number: 123" in result