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from __future__ import annotations
import os.path
import stat
import subprocess
import pytest
from pre_commit.util import CalledProcessError
from pre_commit.util import clean_path_on_failure
from pre_commit.util import cmd_output
from pre_commit.util import cmd_output_b
from pre_commit.util import cmd_output_p
from pre_commit.util import make_executable
from pre_commit.util import parse_version
from pre_commit.util import rmtree
from pre_commit.util import tmpdir
def test_CalledProcessError_str():
error = CalledProcessError(1, ('exe',), 0, b'output', b'errors')
assert str(error) == (
"command: ('exe',)\n"
'return code: 1\n'
'expected return code: 0\n'
'stdout:\n'
' output\n'
'stderr:\n'
' errors'
)
def test_CalledProcessError_str_nooutput():
error = CalledProcessError(1, ('exe',), 0, b'', b'')
assert str(error) == (
"command: ('exe',)\n"
'return code: 1\n'
'expected return code: 0\n'
'stdout: (none)\n'
'stderr: (none)'
)
def test_clean_on_failure_noop(in_tmpdir):
with clean_path_on_failure('foo'):
pass
def test_clean_path_on_failure_does_nothing_when_not_raising(in_tmpdir):
with clean_path_on_failure('foo'):
os.mkdir('foo')
assert os.path.exists('foo')
def test_clean_path_on_failure_cleans_for_normal_exception(in_tmpdir):
class MyException(Exception):
pass
with pytest.raises(MyException):
with clean_path_on_failure('foo'):
os.mkdir('foo')
raise MyException
assert not os.path.exists('foo')
def test_clean_path_on_failure_cleans_for_system_exit(in_tmpdir):
class MySystemExit(SystemExit):
pass
with pytest.raises(MySystemExit):
with clean_path_on_failure('foo'):
os.mkdir('foo')
raise MySystemExit
assert not os.path.exists('foo')
def test_tmpdir():
with tmpdir() as tempdir:
assert os.path.exists(tempdir)
assert not os.path.exists(tempdir)
def test_cmd_output_exe_not_found():
ret, out, _ = cmd_output('dne', retcode=None)
assert ret == 1
assert out == 'Executable `dne` not found'
@pytest.mark.parametrize('fn', (cmd_output_b, cmd_output_p))
def test_cmd_output_exe_not_found_bytes(fn):
ret, out, _ = fn('dne', retcode=None, stderr=subprocess.STDOUT)
assert ret == 1
assert out == b'Executable `dne` not found'
@pytest.mark.parametrize('fn', (cmd_output_b, cmd_output_p))
def test_cmd_output_no_shebang(tmpdir, fn):
f = tmpdir.join('f').ensure()
make_executable(f)
# previously this raised `OSError` -- the output is platform specific
ret, out, _ = fn(str(f), retcode=None, stderr=subprocess.STDOUT)
assert ret == 1
assert isinstance(out, bytes)
assert out.endswith(b'\n')
def test_parse_version():
assert parse_version('0.0') == parse_version('0.0')
assert parse_version('0.1') > parse_version('0.0')
assert parse_version('2.1') >= parse_version('2')
def test_rmtree_read_only_directories(tmpdir):
"""Simulates the go module tree. See #1042"""
tmpdir.join('x/y/z').ensure_dir().join('a').ensure()
mode = os.stat(str(tmpdir.join('x'))).st_mode
mode_no_w = mode & ~(stat.S_IWUSR | stat.S_IWGRP | stat.S_IWOTH)
tmpdir.join('x/y/z').chmod(mode_no_w)
tmpdir.join('x/y/z').chmod(mode_no_w)
tmpdir.join('x/y/z').chmod(mode_no_w)
rmtree(str(tmpdir.join('x')))
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