"""Test Python REPL Tools."""
import sys

import pytest

from langchain.tools.python.tool import (
    PythonAstREPLTool,
    PythonREPLTool,
    sanitize_input,
)


def test_python_repl_tool_single_input() -> None:
    """Test that the python REPL tool works with a single input."""
    tool = PythonREPLTool()
    assert tool.is_single_input
    assert int(tool.run("print(1 + 1)").strip()) == 2


@pytest.mark.skipif(
    sys.version_info < (3, 9), reason="Requires python version >= 3.9 to run."
)
def test_python_ast_repl_tool_single_input() -> None:
    """Test that the python REPL tool works with a single input."""
    tool = PythonAstREPLTool()
    assert tool.is_single_input
    assert tool.run("1 + 1") == 2


def test_sanitize_input() -> None:
    query = """
    ```
        p = 5
    ```
    """
    expected = "p = 5"
    actual = sanitize_input(query)
    assert expected == actual

    query = """
       ```python
        p = 5
    ```
    """
    expected = "p = 5"
    actual = sanitize_input(query)
    assert expected == actual

    query = """
    p = 5
    """
    expected = "p = 5"
    actual = sanitize_input(query)
    assert expected == actual