xonsh/tests/api/test_subprocess.xsh

"""Tests for subprocess lib"""
import tempfile
from subprocess import CalledProcessError

from xonsh.api.os import indir
from xonsh.api.subprocess import run, check_call, check_output

import pytest

from xonsh.pytest.tools import ON_WINDOWS


def test_run():
    if ON_WINDOWS:
        pytest.skip("On Windows")
    with tempfile.TemporaryDirectory() as tmpdir:
        with indir(tmpdir):
            run(['touch', 'hello.txt'])
            assert 'hello.txt' in g`*.txt`
            rm hello.txt
            mkdir tst_dir
            run(['touch', 'hello.txt'], cwd='tst_dir')
            assert 'tst_dir/hello.txt' in g`tst_dir/*.txt`


def test_check_call():
    if ON_WINDOWS:
        pytest.skip("On Windows")
    with tempfile.TemporaryDirectory() as tmpdir:
        with indir(tmpdir):
            check_call(['touch', 'hello.txt'])
            assert 'hello.txt' in g`*.txt`
            rm hello.txt
            mkdir tst_dir
            check_call(['touch', 'hello.txt'], cwd='tst_dir')
            assert 'tst_dir/hello.txt' in g`tst_dir/*.txt`


def test_check_call_raises():
    if ON_WINDOWS:
        pytest.skip("On Windows")
    try:
        check_call(['false'])
        got_raise = False
    except CalledProcessError:
        got_raise = True
    assert got_raise


def test_check_output():
    if ON_WINDOWS:
        pytest.skip("On Windows")
    with tempfile.TemporaryDirectory() as tmpdir:
        with indir(tmpdir):
            check_call(['touch', 'hello.txt'])
            assert 'hello.txt' in g`*.txt`
            rm hello.txt
            mkdir tst_dir
            p = check_output(['touch', 'hello.txt'], cwd='tst_dir')
            assert p.decode('utf-8') == ''
            assert 'tst_dir/hello.txt' in g`tst_dir/*.txt`