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# -*- coding: utf-8 -*-
#
# Picard, the next-generation MusicBrainz tagger
#
# Copyright (C) 2019 Philipp Wolfer
# Copyright (C) 2020 Laurent Monin
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
import os.path
from tempfile import NamedTemporaryFile
from test.picardtestcase import PicardTestCase
from picard.util import emptydir
class EmptyDirTestCommon(PicardTestCase):
def create_temp_dir(self, extra_files=(), extra_dirs=(), ignore_errors=False):
tempdir = self.mktmpdir(ignore_errors=ignore_errors)
for f in extra_files:
open(os.path.join(tempdir, f), 'a').close()
for f in extra_dirs:
os.mkdir(os.path.join(tempdir, f))
return tempdir
class EmptyDirTest(EmptyDirTestCommon):
def test_is_empty_dir_really_empty(self):
tempdir = self.create_temp_dir()
self.assertTrue(emptydir.is_empty_dir(tempdir))
def test_is_empty_dir_only_junk_files(self):
tempdir = self.create_temp_dir(extra_files=emptydir.JUNK_FILES)
self.assertTrue(len(os.listdir(tempdir)) > 0)
self.assertTrue(emptydir.is_empty_dir(tempdir))
def test_is_empty_dir_not_empty(self):
tempdir = self.create_temp_dir(extra_files=['.notempty'])
self.assertEqual(1, len(os.listdir(tempdir)))
self.assertFalse(emptydir.is_empty_dir(tempdir))
def test_is_empty_dir_custom_ignore_files(self):
ignored_files = ['.empty']
tempdir = self.create_temp_dir(extra_files=ignored_files)
self.assertEqual(1, len(os.listdir(tempdir)))
self.assertTrue(emptydir.is_empty_dir(tempdir, ignored_files=ignored_files))
def test_is_empty_dir_not_empty_child_dir(self):
tempdir = self.create_temp_dir(extra_dirs=['childdir'])
self.assertEqual(1, len(os.listdir(tempdir)))
self.assertFalse(emptydir.is_empty_dir(tempdir))
def test_is_empty_dir_on_file(self):
with NamedTemporaryFile() as f:
self.assertRaises(NotADirectoryError, emptydir.is_empty_dir, f.name)
class RmEmptyDirTest(EmptyDirTestCommon):
def test_rm_empty_dir_really_empty(self):
tempdir = self.create_temp_dir(ignore_errors=True)
self.assertTrue(os.path.isdir(tempdir))
emptydir.rm_empty_dir(tempdir)
self.assertFalse(os.path.exists(tempdir))
def test_rm_empty_dir_only_junk_files(self):
tempdir = self.create_temp_dir(extra_files=emptydir.JUNK_FILES, ignore_errors=True)
self.assertTrue(os.path.isdir(tempdir))
emptydir.rm_empty_dir(tempdir)
self.assertFalse(os.path.exists(tempdir))
def test_rm_empty_dir_not_empty(self):
tempdir = self.create_temp_dir(['.notempty'])
self.assertEqual(1, len(os.listdir(tempdir)))
self.assertRaises(emptydir.SkipRemoveDir, emptydir.rm_empty_dir, tempdir)
def test_rm_empty_dir_is_special(self):
tempdir = self.create_temp_dir()
orig_portected_dirs = emptydir.PROTECTED_DIRECTORIES
emptydir.PROTECTED_DIRECTORIES.add(os.path.realpath(tempdir))
self.assertRaises(emptydir.SkipRemoveDir, emptydir.rm_empty_dir, tempdir)
emptydir.PROTECTED_DIRECTORIES = orig_portected_dirs
def test_is_empty_dir_on_file(self):
with NamedTemporaryFile() as f:
self.assertRaises(NotADirectoryError, emptydir.rm_empty_dir, f.name)
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