langchain/tests/unit_tests/test_bash.py
2022-12-06 22:28:50 -08:00

46 lines
1.3 KiB
Python

"""Test the bash utility."""
import subprocess
from pathlib import Path
from langchain.utilities.bash import BashProcess
def test_pwd_command() -> None:
"""Test correct functionality."""
session = BashProcess()
commands = ["pwd"]
output = session.run(commands)
assert output == subprocess.check_output("pwd", shell=True).decode()
def test_incorrect_command() -> None:
"""Test handling of incorrect command."""
session = BashProcess()
output = session.run(["invalid_command"])
assert output == "Command 'invalid_command' returned non-zero exit status 127."
def test_create_directory_and_files(tmp_path: Path) -> None:
"""Test creation of a directory and files in a temporary directory."""
session = BashProcess(strip_newlines=True)
# create a subdirectory in the temporary directory
temp_dir = tmp_path / "test_dir"
temp_dir.mkdir()
# run the commands in the temporary directory
commands = [
f"touch {temp_dir}/file1.txt",
f"touch {temp_dir}/file2.txt",
f"echo 'hello world' > {temp_dir}/file2.txt",
f"cat {temp_dir}/file2.txt",
]
output = session.run(commands)
assert output == "hello world"
# check that the files were created in the temporary directory
output = session.run([f"ls {temp_dir}"])
assert output == "file1.txt\nfile2.txt"