send2trash/tests/test_plat_other.py

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# encoding: utf-8
import pytest
import codecs
import os
import sys
from os import path as op
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from send2trash.compat import PY3
from send2trash import TrashPermissionError
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try:
from configparser import ConfigParser
except ImportError:
# py2
from ConfigParser import ConfigParser # noqa: F401
from tempfile import mkdtemp, NamedTemporaryFile, mktemp
import shutil
import stat
if sys.platform != "win32":
import send2trash.plat_other
from send2trash.plat_other import send2trash as s2t
HOMETRASH = send2trash.plat_other.HOMETRASH
else:
pytest.skip("Skipping non-windows tests", allow_module_level=True)
@pytest.fixture
def testfile():
file = NamedTemporaryFile(
dir=op.expanduser("~"), prefix="send2trash_test", delete=False
)
file.close()
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assert op.exists(file.name) is True
yield file
# Cleanup trash files on supported platforms
if sys.platform != "win32":
name = op.basename(file.name)
# Remove trash files if they exist
if op.exists(op.join(HOMETRASH, "files", name)):
os.remove(op.join(HOMETRASH, "files", name))
os.remove(op.join(HOMETRASH, "info", name + ".trashinfo"))
if op.exists(file.name):
os.remove(file.name)
@pytest.fixture
def testfiles():
files = list(
map(
lambda index: NamedTemporaryFile(
dir=op.expanduser("~"),
prefix="send2trash_test{}".format(index),
delete=False,
),
range(10),
)
)
[file.close() for file in files]
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assert all([op.exists(file.name) for file in files]) is True
yield files
filenames = [op.basename(file.name) for file in files]
[os.remove(op.join(HOMETRASH, "files", filename)) for filename in filenames]
[
os.remove(op.join(HOMETRASH, "info", filename + ".trashinfo"))
for filename in filenames
]
def test_trash(testfile):
s2t(testfile.name)
assert op.exists(testfile.name) is False
def test_multitrash(testfiles):
filenames = [file.name for file in testfiles]
s2t(filenames)
assert any([op.exists(filename) for filename in filenames]) is False
def touch(path):
with open(path, "a"):
os.utime(path, None)
def _filesys_enc():
enc = sys.getfilesystemencoding()
# Get canonical name of codec
return codecs.lookup(enc).name
@pytest.fixture
def testUnicodefile():
name = u"send2trash_tést1"
file = op.join(op.expanduser(b"~"), name.encode("utf-8"))
touch(file)
assert op.exists(file) is True
yield file
# Cleanup trash files on supported platforms
if sys.platform != "win32":
# Remove trash files if they exist
if op.exists(op.join(HOMETRASH, "files", name)):
os.remove(op.join(HOMETRASH, "files", name))
os.remove(op.join(HOMETRASH, "info", name + ".trashinfo"))
if op.exists(file):
os.remove(file)
@pytest.mark.skipif(_filesys_enc() == "ascii", reason="Requires Unicode filesystem")
def test_trash_bytes(testUnicodefile):
s2t(testUnicodefile)
assert not op.exists(testUnicodefile)
@pytest.mark.skipif(_filesys_enc() == "ascii", reason="Requires Unicode filesystem")
def test_trash_unicode(testUnicodefile):
s2t(testUnicodefile.decode(sys.getfilesystemencoding()))
assert not op.exists(testUnicodefile)
class ExtVol:
def __init__(self, path):
self.trashTopdir = path
if PY3:
self.trashTopdir_b = os.fsencode(self.trashTopdir)
else:
self.trashTopdir_b = self.trashTopdir
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.st_dev
def s_ismount(path):
if op.realpath(path) in (
op.realpath(self.trashTopdir),
op.realpath(self.trashTopdir_b),
):
return True
return old_ismount(path)
self.old_ismount = old_ismount = op.ismount
self.old_getdev = send2trash.plat_other.get_dev
send2trash.plat_other.os.path.ismount = s_ismount
send2trash.plat_other.get_dev = s_getdev
def cleanup(self):
send2trash.plat_other.get_dev = self.old_getdev
send2trash.plat_other.os.path.ismount = self.old_ismount
shutil.rmtree(self.trashTopdir)
@pytest.fixture
def testExtVol():
trashTopdir = mkdtemp(prefix="s2t")
volume = ExtVol(trashTopdir)
fileName = "test.txt"
filePath = op.join(volume.trashTopdir, fileName)
touch(filePath)
assert op.exists(filePath) is True
yield volume, fileName, filePath
volume.cleanup()
def test_trash_topdir(testExtVol):
trashDir = op.join(testExtVol[0].trashTopdir, ".Trash")
os.mkdir(trashDir, 0o777 | stat.S_ISVTX)
s2t(testExtVol[2])
assert op.exists(testExtVol[2]) is False
assert (
op.exists(op.join(trashDir, str(os.getuid()), "files", testExtVol[1])) is True
)
assert (
op.exists(
op.join(trashDir, str(os.getuid()), "info", testExtVol[1] + ".trashinfo",)
)
is True
)
# info relative path (if another test is added, with the same fileName/Path,
# then it gets renamed etc.)
cfg = ConfigParser()
cfg.read(op.join(trashDir, str(os.getuid()), "info", testExtVol[1] + ".trashinfo"))
assert (testExtVol[1] == cfg.get("Trash Info", "Path", raw=True)) is True
def test_trash_topdir_fallback(testExtVol):
s2t(testExtVol[2])
assert op.exists(testExtVol[2]) is False
assert (
op.exists(
op.join(
testExtVol[0].trashTopdir,
".Trash-" + str(os.getuid()),
"files",
testExtVol[1],
)
)
is True
)
def test_trash_topdir_failure(testExtVol):
os.chmod(testExtVol[0].trashTopdir, 0o500) # not writable to induce the exception
pytest.raises(TrashPermissionError, s2t, [testExtVol[2]])
os.chmod(testExtVol[0].trashTopdir, 0o700) # writable to allow deletion
def test_trash_symlink(testExtVol):
# Use mktemp (race conditioney but no symlink equivalent)
# Since is_parent uses realpath(), and our getdev uses is_parent,
# this should work
slDir = mktemp(prefix="s2t", dir=op.expanduser("~"))
os.mkdir(op.join(testExtVol[0].trashTopdir, "subdir"), 0o700)
filePath = op.join(testExtVol[0].trashTopdir, "subdir", testExtVol[1])
touch(filePath)
os.symlink(op.join(testExtVol[0].trashTopdir, "subdir"), slDir)
s2t(op.join(slDir, testExtVol[1]))
assert op.exists(filePath) is False
assert (
op.exists(
op.join(
testExtVol[0].trashTopdir,
".Trash-" + str(os.getuid()),
"files",
testExtVol[1],
)
)
is True
)
os.remove(slDir)