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Refs #30160 -- Simplified and improved tests for django.utils.archive.

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The file executable should have 0o775 permission not only u=x.
The file no_permissions should have 0o644 u=r.
This commit is contained in:
Nick Pope 2019-02-15 23:59:51 +00:00 committed by Mariusz Felisiak
parent 1692f69e37
commit c95d063e77
1 changed files with 28 additions and 54 deletions
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82
tests/utils_tests/test_archive.py
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@ -1,73 +1,47 @@
import os
import shutil
import stat
import sys
import tempfile
import unittest
from django.utils.archive import extract
TEST_DIR = os.path.join(os.path.dirname(__file__), 'archives')
from django.utils import archive
class ArchiveTester:
archive = None
class TestArchive(unittest.TestCase):
def setUp(self):
"""
Create temporary directory for testing extraction.
"""
self.testdir = os.path.join(os.path.dirname(__file__), 'archives')
self.old_cwd = os.getcwd()
self.tmpdir = tempfile.mkdtemp()
self.addCleanup(shutil.rmtree, self.tmpdir)
self.archive_path = os.path.join(TEST_DIR, self.archive)
self.archive_lead_path = os.path.join(TEST_DIR, "leadpath_%s" % self.archive)
# Always start off in TEST_DIR.
os.chdir(TEST_DIR)
os.chdir(self.testdir)
def tearDown(self):
os.chdir(self.old_cwd)
def test_extract_function(self):
extract(self.archive_path, self.tmpdir)
self.check_files(self.tmpdir)
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."""
extract(self.archive_path, self.tmpdir)
filepath = os.path.join(self.tmpdir, 'executable')
# The file has executable permission.
self.assertTrue(os.stat(filepath).st_mode & stat.S_IXOTH)
filepath = os.path.join(self.tmpdir, 'no_permissions')
# The file is readable even though it doesn't have permission data in
# the archive.
self.assertTrue(os.stat(filepath).st_mode & stat.S_IROTH)
def test_extract_function_with_leadpath(self):
extract(self.archive_lead_path, self.tmpdir)
self.check_files(self.tmpdir)
def check_files(self, tmpdir):
self.assertTrue(os.path.isfile(os.path.join(self.tmpdir, '1')))
self.assertTrue(os.path.isfile(os.path.join(self.tmpdir, '2')))
self.assertTrue(os.path.isfile(os.path.join(self.tmpdir, 'foo', '1')))
self.assertTrue(os.path.isfile(os.path.join(self.tmpdir, 'foo', '2')))
self.assertTrue(os.path.isfile(os.path.join(self.tmpdir, 'foo', 'bar', '1')))
self.assertTrue(os.path.isfile(os.path.join(self.tmpdir, 'foo', 'bar', '2')))
class TestZip(ArchiveTester, unittest.TestCase):
archive = 'foobar.zip'
class TestTar(ArchiveTester, unittest.TestCase):
archive = 'foobar.tar'
class TestGzipTar(ArchiveTester, unittest.TestCase):
archive = 'foobar.tar.gz'
class TestBzip2Tar(ArchiveTester, unittest.TestCase):
archive = 'foobar.tar.bz2'
"""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, 0o664 & ~umask)