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send2trash/test_plat_other.py

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import unittest
import os
from os import path as op
import send2trash.plat_other
from send2trash.plat_other import send2trash as s2t
from configparser import ConfigParser
from tempfile import mkdtemp, NamedTemporaryFile, mktemp
import shutil
import stat
# Could still use cleaning up. But no longer relies on ramfs.
def touch(path):
with open(path, 'a'):
os.utime(path, None)
class TestHomeTrash(unittest.TestCase):
def setUp(self):
self.file = NamedTemporaryFile(dir=op.expanduser("~"),
prefix='send2trash_test', delete=False)
def test_trash(self):
s2t(self.file.name)
self.assertFalse(op.exists(self.file.name))
def tearDown(self):
hometrash = send2trash.plat_other.HOMETRASH
name = op.basename(self.file.name)
os.remove(op.join(hometrash, 'files', name))
os.remove(op.join(hometrash, 'info', name+'.trashinfo'))
#
# Tests for files on some other volume than the user's home directory.
#
# What we need to stub:
# * plat_other.get_dev (to make sure the file will not be on the home dir dev)
# * os.path.ismount (to make our topdir look like a top dir)
#
class TestExtVol(unittest.TestCase):
def setUp(self):
self.trashTopdir = mkdtemp(prefix='s2t')
self.fileName = 'test.txt'
self.filePath = op.join(self.trashTopdir, self.fileName)
touch(self.filePath)
self.old_ismount = old_ismount = op.ismount
self.old_getdev = send2trash.plat_other.get_dev
def s_getdev(path):
from send2trash.plat_other import is_parent
st = os.lstat(path)
if is_parent(self.trashTopdir, path):
return 'dev'
return st
def s_ismount(path):
if op.realpath(path) == op.realpath(self.trashTopdir):
return True
return old_ismount(path)
send2trash.plat_other.os.path.ismount = s_ismount
send2trash.plat_other.get_dev = s_getdev
def tearDown(self):
send2trash.plat_other.get_dev = self.old_getdev
send2trash.plat_other.os.path.ismount = self.old_ismount
shutil.rmtree(self.trashTopdir)
class TestTopdirTrash(TestExtVol):
def setUp(self):
TestExtVol.setUp(self)
# Create a .Trash dir w/ a sticky bit
self.trashDir = op.join(self.trashTopdir, '.Trash')
os.mkdir(self.trashDir, 0o777|stat.S_ISVTX)
def test_trash(self):
s2t(self.filePath)
self.assertFalse(op.exists(self.filePath))
self.assertTrue(op.exists(op.join(self.trashDir, str(os.getuid()), 'files', self.fileName)))
self.assertTrue(op.exists(op.join(self.trashDir, str(os.getuid()), 'info', self.fileName + '.trashinfo')))
# info relative path (if another test is added, with the same fileName/Path,
# then it gets renamed etc.)
cfg = ConfigParser()
cfg.read(op.join(self.trashDir, str(os.getuid()), 'info', self.fileName + '.trashinfo'))
self.assertEqual(self.fileName, cfg.get('Trash Info', 'Path', 1))
# Test .Trash-UID
class TestTopdirTrashFallback(TestExtVol):
def test_trash(self):
touch(self.filePath)
s2t(self.filePath)
self.assertFalse(op.exists(self.filePath))
self.assertTrue(op.exists(op.join(self.trashTopdir, '.Trash-' + str(os.getuid()), 'files', self.fileName)))
# Test failure
class TestTopdirFailure(TestExtVol):
def setUp(self):
TestExtVol.setUp(self)
os.chmod(self.trashTopdir, 0o500) # not writable to induce the exception
def test_trash(self):
with self.assertRaises(OSError):
s2t(self.filePath)
self.assertTrue(op.exists(self.filePath))
def tearDown(self):
os.chmod(self.trashTopdir, 0o700) # writable to allow deletion
TestExtVol.tearDown(self)
# Make sure it will find the mount point properly for a file in a symlinked path
class TestSymlink(TestExtVol):
def setUp(self):
TestExtVol.setUp(self)
# Use mktemp (race conditioney but no symlink equivalent)
# Since is_parent uses realpath(), and our getdev uses is_parent,
# this should work
self.slDir = mktemp(prefix='s2t', dir=op.expanduser('~'))
os.mkdir(op.join(self.trashTopdir, 'subdir'), 0o700)
self.filePath = op.join(self.trashTopdir, 'subdir', self.fileName)
touch(self.filePath)
os.symlink(op.join(self.trashTopdir, 'subdir'), self.slDir)
def test_trash(self):
s2t(op.join(self.slDir, self.fileName))
self.assertFalse(op.exists(self.filePath))
self.assertTrue(op.exists(op.join(self.trashTopdir, '.Trash-' + str(os.getuid()), 'files', self.fileName)))
def tearDown(self):
os.remove(self.slDir)
TestExtVol.tearDown(self)
if __name__ == '__main__':
unittest.main()