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import os
import stat
import sys
import tempfile
import unittest
from django.utils import archive
class TestArchive(unittest.TestCase):
def setUp(self):
self.testdir = os.path.join(os.path.dirname(__file__), 'archives')
self.old_cwd = os.getcwd()
os.chdir(self.testdir)
def tearDown(self):
os.chdir(self.old_cwd)
def test_extract_function(self):
for entry in os.scandir(self.testdir):
with self.subTest(entry.name), tempfile.TemporaryDirectory() as tmpdir:
archive.extract(entry.path, tmpdir)
self.assertTrue(os.path.isfile(os.path.join(tmpdir, '1')))
self.assertTrue(os.path.isfile(os.path.join(tmpdir, '2')))
self.assertTrue(os.path.isfile(os.path.join(tmpdir, 'foo', '1')))
self.assertTrue(os.path.isfile(os.path.join(tmpdir, 'foo', '2')))
self.assertTrue(os.path.isfile(os.path.join(tmpdir, 'foo', 'bar', '1')))
self.assertTrue(os.path.isfile(os.path.join(tmpdir, 'foo', 'bar', '2')))
@unittest.skipIf(sys.platform == 'win32', 'Python on Windows has a limited os.chmod().')
def test_extract_file_permissions(self):
"""archive.extract() preserves file permissions."""
mask = stat.S_IRWXU | stat.S_IRWXG | stat.S_IRWXO
umask = os.umask(0)
os.umask(umask) # Restore the original umask.
for entry in os.scandir(self.testdir):
if entry.name.startswith('leadpath_'):
continue
with self.subTest(entry.name), tempfile.TemporaryDirectory() as tmpdir:
archive.extract(entry.path, tmpdir)
# An executable file in the archive has executable permissions.
filepath = os.path.join(tmpdir, 'executable')
self.assertEqual(os.stat(filepath).st_mode & mask, 0o775)
# A file is readable even if permission data is missing.
filepath = os.path.join(tmpdir, 'no_permissions')
self.assertEqual(os.stat(filepath).st_mode & mask, 0o666 & ~umask)
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