mirror of
https://github.com/pre-commit/pre-commit.git
synced 2026-01-13 20:40:08 -06:00
106 lines
2.8 KiB
Python
106 lines
2.8 KiB
Python
from __future__ import unicode_literals
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import os.path
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import stat
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import pytest
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from pre_commit.util import CalledProcessError
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from pre_commit.util import clean_path_on_failure
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from pre_commit.util import cmd_output
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from pre_commit.util import parse_version
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from pre_commit.util import rmtree
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from pre_commit.util import tmpdir
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def test_CalledProcessError_str():
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error = CalledProcessError(
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1, [str('git'), str('status')], 0, (str('stdout'), str('stderr')),
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)
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assert str(error) == (
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"Command: ['git', 'status']\n"
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'Return code: 1\n'
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'Expected return code: 0\n'
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'Output: \n'
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' stdout\n'
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'Errors: \n'
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' stderr\n'
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)
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def test_CalledProcessError_str_nooutput():
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error = CalledProcessError(
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1, [str('git'), str('status')], 0, (str(''), str('')),
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)
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assert str(error) == (
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"Command: ['git', 'status']\n"
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'Return code: 1\n'
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'Expected return code: 0\n'
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'Output: (none)\n'
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'Errors: (none)\n'
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)
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def test_clean_on_failure_noop(in_tmpdir):
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with clean_path_on_failure('foo'):
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pass
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def test_clean_path_on_failure_does_nothing_when_not_raising(in_tmpdir):
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with clean_path_on_failure('foo'):
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os.mkdir('foo')
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assert os.path.exists('foo')
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def test_clean_path_on_failure_cleans_for_normal_exception(in_tmpdir):
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class MyException(Exception):
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pass
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with pytest.raises(MyException):
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with clean_path_on_failure('foo'):
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os.mkdir('foo')
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raise MyException
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assert not os.path.exists('foo')
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def test_clean_path_on_failure_cleans_for_system_exit(in_tmpdir):
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class MySystemExit(SystemExit):
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pass
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with pytest.raises(MySystemExit):
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with clean_path_on_failure('foo'):
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os.mkdir('foo')
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raise MySystemExit
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assert not os.path.exists('foo')
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def test_tmpdir():
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with tmpdir() as tempdir:
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assert os.path.exists(tempdir)
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assert not os.path.exists(tempdir)
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def test_cmd_output_exe_not_found():
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ret, out, _ = cmd_output('i-dont-exist', retcode=None)
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assert ret == 1
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assert out == 'Executable `i-dont-exist` not found'
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def test_parse_version():
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assert parse_version('0.0') == parse_version('0.0')
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assert parse_version('0.1') > parse_version('0.0')
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assert parse_version('2.1') >= parse_version('2')
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def test_rmtree_read_only_directories(tmpdir):
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"""Simulates the go module tree. See #1042"""
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tmpdir.join('x/y/z').ensure_dir().join('a').ensure()
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mode = os.stat(str(tmpdir.join('x'))).st_mode
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mode_no_w = mode & ~(stat.S_IWUSR | stat.S_IWGRP | stat.S_IWOTH)
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tmpdir.join('x/y/z').chmod(mode_no_w)
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tmpdir.join('x/y/z').chmod(mode_no_w)
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tmpdir.join('x/y/z').chmod(mode_no_w)
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rmtree(str(tmpdir.join('x')))
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