# -*- coding: utf-8 -*- # # Copyright (C) 2012-2013 The Python Software Foundation. # See LICENSE.txt and CONTRIBUTORS.txt. # try: import bz2 BZ2_SUPPORTED = True except ImportError: BZ2_SUPPORTED = False from distutils.spawn import find_executable, spawn from functools import wraps import os from os.path import splitdrive import stat import sys import tempfile from compat import unittest from distlib._backport import shutil, tarfile from distlib._backport.shutil import ( _make_tarball, _make_zipfile, make_archive, unpack_archive, register_archive_format, unregister_archive_format, get_archive_formats, register_unpack_format, unregister_unpack_format, get_unpack_formats, Error, RegistryError) from distlib.compat import StringIO import support try: import grp import pwd UID_GID_SUPPORT = True except ImportError: UID_GID_SUPPORT = False try: import zlib except ImportError: zlib = None try: import zipfile ZIP_SUPPORT = True except ImportError: ZIP_SUPPORT = find_executable('zip') def _fake_rename(*args, **kwargs): # Pretend the destination path is on a different filesystem. raise OSError() def mock_rename(func): @wraps(func) def wrap(*args, **kwargs): try: builtin_rename = os.rename os.rename = _fake_rename return func(*args, **kwargs) finally: os.rename = builtin_rename return wrap class TestShutil(unittest.TestCase): def setUp(self): super(TestShutil, self).setUp() self.tempdirs = [] self.TESTFN = '%s-%d' % (self.mkdtemp(), os.getpid()) self.TESTFN2 = '%s-2' % self.TESTFN def tearDown(self): super(TestShutil, self).tearDown() while self.tempdirs: d = self.tempdirs.pop() shutil.rmtree(d, os.name in ('nt', 'cygwin')) def write_file(self, path, content='xxx'): """Writes a file in the given path. path can be a string or a sequence. """ if isinstance(path, (list, tuple)): path = os.path.join(*path) f = open(path, 'w') try: f.write(content) finally: f.close() def mkdtemp(self): """Create a temporary directory that will be cleaned up. Returns the path of the directory. """ d = tempfile.mkdtemp() self.tempdirs.append(d) return d def test_rmtree_errors(self): # filename is guaranteed not to exist filename = tempfile.mktemp() self.assertRaises(OSError, shutil.rmtree, filename) # See bug #1071513 for why we don't run this on cygwin # and bug #1076467 for why we don't run this as root. if (hasattr(os, 'chmod') and sys.platform[:6] != 'cygwin' and not (hasattr(os, 'geteuid') and os.geteuid() == 0)): def test_on_error(self): self.errorState = 0 TESTFN = self.TESTFN os.mkdir(TESTFN) self.childpath = os.path.join(TESTFN, 'a') f = open(self.childpath, 'w') f.close() old_dir_mode = os.stat(TESTFN).st_mode old_child_mode = os.stat(self.childpath).st_mode # Make unwritable. os.chmod(self.childpath, stat.S_IREAD) os.chmod(TESTFN, stat.S_IREAD) shutil.rmtree(TESTFN, onerror=self.check_args_to_onerror) # Test whether onerror has actually been called. self.assertEqual(self.errorState, 2, "Expected call to onerror function did not happen.") # Make writable again. os.chmod(TESTFN, old_dir_mode) os.chmod(self.childpath, old_child_mode) # Clean up. shutil.rmtree(TESTFN) def check_args_to_onerror(self, func, arg, exc): # test_rmtree_errors deliberately runs rmtree # on a directory that is chmod 400, which will fail. # This function is run when shutil.rmtree fails. # 99.9% of the time it initially fails to remove # a file in the directory, so the first time through # func is os.remove. # However, some Linux machines running ZFS on # FUSE experienced a failure earlier in the process # at os.listdir. The first failure may legally # be either. TESTFN = self.TESTFN if self.errorState == 0: if func is os.remove: self.assertEqual(arg, self.childpath) else: self.assertIs(func, os.listdir, "func must be either os.remove or os.listdir") self.assertEqual(arg, TESTFN) self.assertTrue(issubclass(exc[0], OSError)) self.errorState = 1 else: self.assertEqual(func, os.rmdir) self.assertEqual(arg, TESTFN) self.assertTrue(issubclass(exc[0], OSError)) self.errorState = 2 def test_rmtree_dont_delete_file(self): # When called on a file instead of a directory, don't delete it. handle, path = tempfile.mkstemp() os.fdopen(handle).close() self.assertRaises(OSError, shutil.rmtree, path) os.remove(path) def _write_data(self, path, data): f = open(path, "w") f.write(data) f.close() def test_copytree_simple(self): def read_data(path): f = open(path) data = f.read() f.close() return data src_dir = tempfile.mkdtemp() dst_dir = os.path.join(tempfile.mkdtemp(), 'destination') self._write_data(os.path.join(src_dir, 'test.txt'), '123') os.mkdir(os.path.join(src_dir, 'test_dir')) self._write_data(os.path.join(src_dir, 'test_dir', 'test.txt'), '456') try: shutil.copytree(src_dir, dst_dir) self.assertTrue(os.path.isfile(os.path.join(dst_dir, 'test.txt'))) self.assertTrue(os.path.isdir(os.path.join(dst_dir, 'test_dir'))) self.assertTrue(os.path.isfile(os.path.join(dst_dir, 'test_dir', 'test.txt'))) actual = read_data(os.path.join(dst_dir, 'test.txt')) self.assertEqual(actual, '123') actual = read_data(os.path.join(dst_dir, 'test_dir', 'test.txt')) self.assertEqual(actual, '456') finally: for path in ( os.path.join(src_dir, 'test.txt'), os.path.join(dst_dir, 'test.txt'), os.path.join(src_dir, 'test_dir', 'test.txt'), os.path.join(dst_dir, 'test_dir', 'test.txt'), ): if os.path.exists(path): os.remove(path) for path in (src_dir, os.path.dirname(dst_dir) ): if os.path.exists(path): shutil.rmtree(path) def test_copytree_with_exclude(self): def read_data(path): f = open(path) data = f.read() f.close() return data # creating data join = os.path.join exists = os.path.exists src_dir = tempfile.mkdtemp() try: dst_dir = join(tempfile.mkdtemp(), 'destination') self._write_data(join(src_dir, 'test.txt'), '123') self._write_data(join(src_dir, 'test.tmp'), '123') os.mkdir(join(src_dir, 'test_dir')) self._write_data(join(src_dir, 'test_dir', 'test.txt'), '456') os.mkdir(join(src_dir, 'test_dir2')) self._write_data(join(src_dir, 'test_dir2', 'test.txt'), '456') os.mkdir(join(src_dir, 'test_dir2', 'subdir')) os.mkdir(join(src_dir, 'test_dir2', 'subdir2')) self._write_data(join(src_dir, 'test_dir2', 'subdir', 'test.txt'), '456') self._write_data(join(src_dir, 'test_dir2', 'subdir2', 'test.py'), '456') # testing glob-like patterns try: patterns = shutil.ignore_patterns('*.tmp', 'test_dir2') shutil.copytree(src_dir, dst_dir, ignore=patterns) # checking the result: some elements should not be copied self.assertTrue(exists(join(dst_dir, 'test.txt'))) self.assertTrue(not exists(join(dst_dir, 'test.tmp'))) self.assertTrue(not exists(join(dst_dir, 'test_dir2'))) finally: if os.path.exists(dst_dir): shutil.rmtree(dst_dir) try: patterns = shutil.ignore_patterns('*.tmp', 'subdir*') shutil.copytree(src_dir, dst_dir, ignore=patterns) # checking the result: some elements should not be copied self.assertTrue(not exists(join(dst_dir, 'test.tmp'))) self.assertTrue(not exists(join(dst_dir, 'test_dir2', 'subdir2'))) self.assertTrue(not exists(join(dst_dir, 'test_dir2', 'subdir'))) finally: if os.path.exists(dst_dir): shutil.rmtree(dst_dir) # testing callable-style try: def _filter(src, names): res = [] for name in names: path = os.path.join(src, name) if (os.path.isdir(path) and path.split()[-1] == 'subdir'): res.append(name) elif os.path.splitext(path)[-1] in ('.py'): res.append(name) return res shutil.copytree(src_dir, dst_dir, ignore=_filter) # checking the result: some elements should not be copied self.assertTrue(not exists(join(dst_dir, 'test_dir2', 'subdir2', 'test.py'))) self.assertTrue(not exists(join(dst_dir, 'test_dir2', 'subdir'))) finally: if os.path.exists(dst_dir): shutil.rmtree(dst_dir) finally: shutil.rmtree(src_dir) shutil.rmtree(os.path.dirname(dst_dir)) @unittest.skipUnless(hasattr(os, 'link'), 'requires os.link') def test_dont_copy_file_onto_link_to_itself(self): # Temporarily disable test on Windows. if os.name == 'nt': return # bug 851123. TESTFN = self.TESTFN os.mkdir(TESTFN) src = os.path.join(TESTFN, 'cheese') dst = os.path.join(TESTFN, 'shop') try: f = open(src, 'w') try: f.write('cheddar') finally: f.close() os.link(src, dst) self.assertRaises(shutil.Error, shutil.copyfile, src, dst) f = open(src, 'r') try: self.assertEqual(f.read(), 'cheddar') finally: f.close() os.remove(dst) finally: shutil.rmtree(TESTFN, ignore_errors=True) @support.skip_unless_symlink def test_dont_copy_file_onto_symlink_to_itself(self): # bug 851123. TESTFN = self.TESTFN os.mkdir(TESTFN) src = os.path.join(TESTFN, 'cheese') dst = os.path.join(TESTFN, 'shop') try: f = open(src, 'w') try: f.write('cheddar') finally: f.close() # Using `src` here would mean we end up with a symlink pointing # to TESTFN/TESTFN/cheese, while it should point at # TESTFN/cheese. os.symlink('cheese', dst) self.assertRaises(shutil.Error, shutil.copyfile, src, dst) f = open(src, 'r') try: self.assertEqual(f.read(), 'cheddar') finally: f.close() os.remove(dst) finally: shutil.rmtree(TESTFN, ignore_errors=True) @support.skip_unless_symlink def test_rmtree_on_symlink(self): # bug 1669. TESTFN = self.TESTFN os.mkdir(TESTFN) try: src = os.path.join(TESTFN, 'cheese') dst = os.path.join(TESTFN, 'shop') os.mkdir(src) os.symlink(src, dst) self.assertRaises(OSError, shutil.rmtree, dst) finally: shutil.rmtree(TESTFN, ignore_errors=True) if hasattr(os, "mkfifo"): # Issue #3002: copyfile and copytree block indefinitely on named pipes def test_copyfile_named_pipe(self): TESTFN = self.TESTFN TESTFN2 = self.TESTFN2 os.mkfifo(TESTFN) try: self.assertRaises(shutil.SpecialFileError, shutil.copyfile, TESTFN, TESTFN2) self.assertRaises(shutil.SpecialFileError, shutil.copyfile, __file__, TESTFN) finally: os.remove(TESTFN) @support.skip_unless_symlink def test_copytree_named_pipe(self): TESTFN = self.TESTFN TESTFN2 = self.TESTFN2 os.mkdir(TESTFN) try: subdir = os.path.join(TESTFN, "subdir") os.mkdir(subdir) pipe = os.path.join(subdir, "mypipe") os.mkfifo(pipe) try: shutil.copytree(TESTFN, TESTFN2) except shutil.Error as e: errors = e.args[0] self.assertEqual(len(errors), 1) src, dst, error_msg = errors[0] self.assertEqual("`%s` is a named pipe" % pipe, error_msg) else: self.fail("shutil.Error should have been raised") finally: shutil.rmtree(TESTFN, ignore_errors=True) shutil.rmtree(TESTFN2, ignore_errors=True) def test_copytree_special_func(self): src_dir = self.mkdtemp() dst_dir = os.path.join(self.mkdtemp(), 'destination') self._write_data(os.path.join(src_dir, 'test.txt'), '123') os.mkdir(os.path.join(src_dir, 'test_dir')) self._write_data(os.path.join(src_dir, 'test_dir', 'test.txt'), '456') copied = [] def _copy(src, dst): copied.append((src, dst)) shutil.copytree(src_dir, dst_dir, copy_function=_copy) self.assertEqual(len(copied), 2) @support.skip_unless_symlink def test_copytree_dangling_symlinks(self): # a dangling symlink raises an error at the end src_dir = self.mkdtemp() dst_dir = os.path.join(self.mkdtemp(), 'destination') os.symlink('IDONTEXIST', os.path.join(src_dir, 'test.txt')) os.mkdir(os.path.join(src_dir, 'test_dir')) self._write_data(os.path.join(src_dir, 'test_dir', 'test.txt'), '456') self.assertRaises(Error, shutil.copytree, src_dir, dst_dir) # a dangling symlink is ignored with the proper flag dst_dir = os.path.join(self.mkdtemp(), 'destination2') shutil.copytree(src_dir, dst_dir, ignore_dangling_symlinks=True) self.assertNotIn('test.txt', os.listdir(dst_dir)) # a dangling symlink is copied if symlinks=True dst_dir = os.path.join(self.mkdtemp(), 'destination3') shutil.copytree(src_dir, dst_dir, symlinks=True) self.assertIn('test.txt', os.listdir(dst_dir)) def _copy_file(self, method): fname = 'test.txt' tmpdir = self.mkdtemp() self.write_file([tmpdir, fname]) file1 = os.path.join(tmpdir, fname) tmpdir2 = self.mkdtemp() method(file1, tmpdir2) file2 = os.path.join(tmpdir2, fname) return (file1, file2) @unittest.skipUnless(hasattr(os, 'chmod'), 'requires os.chmod') def test_copy(self): # Ensure that the copied file exists and has the same mode bits. file1, file2 = self._copy_file(shutil.copy) self.assertTrue(os.path.exists(file2)) self.assertEqual(os.stat(file1).st_mode, os.stat(file2).st_mode) @unittest.skipUnless(hasattr(os, 'chmod'), 'requires os.chmod') @unittest.skipUnless(hasattr(os, 'utime'), 'requires os.utime') def test_copy2(self): # Ensure that the copied file exists and has the same mode and # modification time bits. file1, file2 = self._copy_file(shutil.copy2) self.assertTrue(os.path.exists(file2)) file1_stat = os.stat(file1) file2_stat = os.stat(file2) self.assertEqual(file1_stat.st_mode, file2_stat.st_mode) for attr in 'st_atime', 'st_mtime': # The modification times may be truncated in the new file. self.assertLessEqual(getattr(file1_stat, attr), getattr(file2_stat, attr) + 1) if hasattr(os, 'chflags') and hasattr(file1_stat, 'st_flags'): self.assertEqual(getattr(file1_stat, 'st_flags'), getattr(file2_stat, 'st_flags')) @unittest.skipUnless(zlib, "requires zlib") def test_make_tarball(self): # creating something to tar tmpdir = self.mkdtemp() self.write_file([tmpdir, 'file1'], 'xxx') self.write_file([tmpdir, 'file2'], 'xxx') os.mkdir(os.path.join(tmpdir, 'sub')) self.write_file([tmpdir, 'sub', 'file3'], 'xxx') tmpdir2 = self.mkdtemp() # force shutil to create the directory os.rmdir(tmpdir2) unittest.skipUnless(splitdrive(tmpdir)[0] == splitdrive(tmpdir2)[0], "source and target should be on same drive") base_name = os.path.join(tmpdir2, 'archive') # working with relative paths to avoid tar warnings old_dir = os.getcwd() os.chdir(tmpdir) try: _make_tarball(splitdrive(base_name)[1], '.') finally: os.chdir(old_dir) # check if the compressed tarball was created tarball = base_name + '.tar.gz' self.assertTrue(os.path.exists(tarball)) # trying an uncompressed one base_name = os.path.join(tmpdir2, 'archive') old_dir = os.getcwd() os.chdir(tmpdir) try: _make_tarball(splitdrive(base_name)[1], '.', compress=None) finally: os.chdir(old_dir) tarball = base_name + '.tar' self.assertTrue(os.path.exists(tarball)) def _tarinfo(self, path): tar = tarfile.open(path) try: names = tar.getnames() names.sort() return tuple(names) finally: tar.close() def _create_files(self): # creating something to tar tmpdir = self.mkdtemp() dist = os.path.join(tmpdir, 'dist') os.mkdir(dist) self.write_file([dist, 'file1'], 'xxx') self.write_file([dist, 'file2'], 'xxx') os.mkdir(os.path.join(dist, 'sub')) self.write_file([dist, 'sub', 'file3'], 'xxx') os.mkdir(os.path.join(dist, 'sub2')) tmpdir2 = self.mkdtemp() base_name = os.path.join(tmpdir2, 'archive') return tmpdir, tmpdir2, base_name @unittest.skipUnless(zlib, "Requires zlib") @unittest.skipUnless(find_executable('tar') and find_executable('gzip'), 'Need the tar command to run') def test_tarfile_vs_tar(self): tmpdir, tmpdir2, base_name = self._create_files() old_dir = os.getcwd() os.chdir(tmpdir) try: _make_tarball(base_name, 'dist') finally: os.chdir(old_dir) # check if the compressed tarball was created tarball = base_name + '.tar.gz' self.assertTrue(os.path.exists(tarball)) # now create another tarball using `tar` tarball2 = os.path.join(tmpdir, 'archive2.tar.gz') tar_cmd = ['tar', '-cf', 'archive2.tar', 'dist'] gzip_cmd = ['gzip', '-f9', 'archive2.tar'] old_dir = os.getcwd() old_stdout = sys.stdout os.chdir(tmpdir) sys.stdout = StringIO() try: spawn(tar_cmd) spawn(gzip_cmd) finally: os.chdir(old_dir) sys.stdout = old_stdout self.assertTrue(os.path.exists(tarball2)) # let's compare both tarballs self.assertEqual(self._tarinfo(tarball), self._tarinfo(tarball2)) # trying an uncompressed one base_name = os.path.join(tmpdir2, 'archive') old_dir = os.getcwd() os.chdir(tmpdir) try: _make_tarball(base_name, 'dist', compress=None) finally: os.chdir(old_dir) tarball = base_name + '.tar' self.assertTrue(os.path.exists(tarball)) # now for a dry_run base_name = os.path.join(tmpdir2, 'archive') old_dir = os.getcwd() os.chdir(tmpdir) try: _make_tarball(base_name, 'dist', compress=None, dry_run=True) finally: os.chdir(old_dir) tarball = base_name + '.tar' self.assertTrue(os.path.exists(tarball)) @unittest.skipUnless(zlib, "Requires zlib") @unittest.skipUnless(ZIP_SUPPORT, 'Need zip support to run') def test_make_zipfile(self): # creating something to tar tmpdir = self.mkdtemp() self.write_file([tmpdir, 'file1'], 'xxx') self.write_file([tmpdir, 'file2'], 'xxx') tmpdir2 = self.mkdtemp() # force shutil to create the directory os.rmdir(tmpdir2) base_name = os.path.join(tmpdir2, 'archive') _make_zipfile(base_name, tmpdir) # check if the compressed tarball was created tarball = base_name + '.zip' self.assertTrue(os.path.exists(tarball)) def test_make_archive(self): tmpdir = self.mkdtemp() base_name = os.path.join(tmpdir, 'archive') self.assertRaises(ValueError, make_archive, base_name, 'xxx') @unittest.skipUnless(zlib, "Requires zlib") def test_make_archive_owner_group(self): # testing make_archive with owner and group, with various combinations # this works even if there's not gid/uid support if UID_GID_SUPPORT: group = grp.getgrgid(0)[0] owner = pwd.getpwuid(0)[0] else: group = owner = 'root' base_dir, root_dir, base_name = self._create_files() base_name = os.path.join(self.mkdtemp() , 'archive') res = make_archive(base_name, 'zip', root_dir, base_dir, owner=owner, group=group) self.assertTrue(os.path.exists(res)) res = make_archive(base_name, 'zip', root_dir, base_dir) self.assertTrue(os.path.exists(res)) res = make_archive(base_name, 'tar', root_dir, base_dir, owner=owner, group=group) self.assertTrue(os.path.exists(res)) res = make_archive(base_name, 'tar', root_dir, base_dir, owner='kjhkjhkjg', group='oihohoh') self.assertTrue(os.path.exists(res)) @unittest.skipUnless(zlib, "Requires zlib") @unittest.skipUnless(UID_GID_SUPPORT, "Requires grp and pwd support") def test_tarfile_root_owner(self): tmpdir, tmpdir2, base_name = self._create_files() old_dir = os.getcwd() os.chdir(tmpdir) group = grp.getgrgid(0)[0] owner = pwd.getpwuid(0)[0] try: archive_name = _make_tarball(base_name, 'dist', compress=None, owner=owner, group=group) finally: os.chdir(old_dir) # check if the compressed tarball was created self.assertTrue(os.path.exists(archive_name)) # now checks the rights archive = tarfile.open(archive_name) try: for member in archive.getmembers(): self.assertEqual(member.uid, 0) self.assertEqual(member.gid, 0) finally: archive.close() def test_make_archive_cwd(self): current_dir = os.getcwd() def _breaks(*args, **kw): raise RuntimeError() register_archive_format('xxx', _breaks, [], 'xxx file') try: try: make_archive('xxx', 'xxx', root_dir=self.mkdtemp()) except Exception: pass self.assertEqual(os.getcwd(), current_dir) finally: unregister_archive_format('xxx') def test_register_archive_format(self): self.assertRaises(TypeError, register_archive_format, 'xxx', 1) self.assertRaises(TypeError, register_archive_format, 'xxx', lambda: x, 1) self.assertRaises(TypeError, register_archive_format, 'xxx', lambda: x, [(1, 2), (1, 2, 3)]) register_archive_format('xxx', lambda: x, [(1, 2)], 'xxx file') formats = [name for name, params in get_archive_formats()] self.assertIn('xxx', formats) unregister_archive_format('xxx') formats = [name for name, params in get_archive_formats()] self.assertNotIn('xxx', formats) def _compare_dirs(self, dir1, dir2): # check that dir1 and dir2 are equivalent, # return the diff diff = [] for root, dirs, files in os.walk(dir1): for file_ in files: path = os.path.join(root, file_) target_path = os.path.join(dir2, os.path.split(path)[-1]) if not os.path.exists(target_path): diff.append(file_) return diff @support.requires_zlib def test_unpack_archive(self): formats = ['tar', 'gztar', 'zip'] if BZ2_SUPPORTED: formats.append('bztar') for format in formats: tmpdir = self.mkdtemp() base_dir, root_dir, base_name = self._create_files() tmpdir2 = self.mkdtemp() filename = make_archive(base_name, format, root_dir, base_dir) # let's try to unpack it now unpack_archive(filename, tmpdir2) diff = self._compare_dirs(tmpdir, tmpdir2) self.assertEqual(diff, []) # and again, this time with the format specified tmpdir3 = self.mkdtemp() unpack_archive(filename, tmpdir3, format=format) diff = self._compare_dirs(tmpdir, tmpdir3) self.assertEqual(diff, []) TESTFN = self.TESTFN self.assertRaises(shutil.ReadError, unpack_archive, TESTFN) self.assertRaises(ValueError, unpack_archive, TESTFN, format='xxx') def test_unpack_registry(self): formats = get_unpack_formats() def _boo(filename, extract_dir, extra): self.assertEqual(extra, 1) self.assertEqual(filename, 'stuff.boo') self.assertEqual(extract_dir, 'xx') register_unpack_format('Boo', ['.boo', '.b2'], _boo, [('extra', 1)]) unpack_archive('stuff.boo', 'xx') # trying to register a .boo unpacker again self.assertRaises(RegistryError, register_unpack_format, 'Boo2', ['.boo'], _boo) # should work now unregister_unpack_format('Boo') register_unpack_format('Boo2', ['.boo'], _boo) self.assertIn(('Boo2', ['.boo'], ''), get_unpack_formats()) self.assertNotIn(('Boo', ['.boo'], ''), get_unpack_formats()) # let's leave a clean state unregister_unpack_format('Boo2') self.assertEqual(get_unpack_formats(), formats) class TestMove(unittest.TestCase): def setUp(self): filename = "foo" self.src_dir = tempfile.mkdtemp() self.dst_dir = tempfile.mkdtemp() self.src_file = os.path.join(self.src_dir, filename) self.dst_file = os.path.join(self.dst_dir, filename) d = tempfile.mkdtemp() self.TESTFN = '%s-%d' % (d, os.getpid()) shutil.rmtree(d) #self.TESTFN2 = '%s-2' % self.TESTFN f = open(self.src_file, "wb") try: f.write(b"spam") finally: f.close() def tearDown(self): for d in (self.src_dir, self.dst_dir): try: if d: shutil.rmtree(d) except: pass def _check_move_file(self, src, dst, real_dst): f = open(src, "rb") try: contents = f.read() finally: f.close() shutil.move(src, dst) f = open(real_dst, "rb") try: self.assertEqual(contents, f.read()) finally: f.close() self.assertFalse(os.path.exists(src)) def _check_move_dir(self, src, dst, real_dst): contents = sorted(os.listdir(src)) shutil.move(src, dst) self.assertEqual(contents, sorted(os.listdir(real_dst))) self.assertFalse(os.path.exists(src)) def test_move_file(self): # Move a file to another location on the same filesystem. self._check_move_file(self.src_file, self.dst_file, self.dst_file) def test_move_file_to_dir(self): # Move a file inside an existing dir on the same filesystem. self._check_move_file(self.src_file, self.dst_dir, self.dst_file) @mock_rename def test_move_file_other_fs(self): # Move a file to an existing dir on another filesystem. self.test_move_file() @mock_rename def test_move_file_to_dir_other_fs(self): # Move a file to another location on another filesystem. self.test_move_file_to_dir() def test_move_dir(self): # Move a dir to another location on the same filesystem. dst_dir = tempfile.mktemp() try: self._check_move_dir(self.src_dir, dst_dir, dst_dir) finally: try: shutil.rmtree(dst_dir) except: pass @mock_rename def test_move_dir_other_fs(self): # Move a dir to another location on another filesystem. self.test_move_dir() def test_move_dir_to_dir(self): # Move a dir inside an existing dir on the same filesystem. self._check_move_dir(self.src_dir, self.dst_dir, os.path.join(self.dst_dir, os.path.basename(self.src_dir))) @mock_rename def test_move_dir_to_dir_other_fs(self): # Move a dir inside an existing dir on another filesystem. self.test_move_dir_to_dir() def test_existing_file_inside_dest_dir(self): # A file with the same name inside the destination dir already exists. f = open(self.dst_file, "wb") try: pass finally: f.close() self.assertRaises(shutil.Error, shutil.move, self.src_file, self.dst_dir) def test_dont_move_dir_in_itself(self): # Moving a dir inside itself raises an Error. dst = os.path.join(self.src_dir, "bar") self.assertRaises(shutil.Error, shutil.move, self.src_dir, dst) def test_destinsrc_false_negative(self): TESTFN = self.TESTFN os.mkdir(TESTFN) try: for src, dst in [('srcdir', 'srcdir/dest')]: src = os.path.join(TESTFN, src) dst = os.path.join(TESTFN, dst) self.assertTrue(shutil._destinsrc(src, dst), msg='_destinsrc() wrongly concluded that ' 'dst (%s) is not in src (%s)' % (dst, src)) finally: shutil.rmtree(TESTFN, ignore_errors=True) def test_destinsrc_false_positive(self): TESTFN = self.TESTFN os.mkdir(TESTFN) try: for src, dst in [('srcdir', 'src/dest'), ('srcdir', 'srcdir.new')]: src = os.path.join(TESTFN, src) dst = os.path.join(TESTFN, dst) self.assertFalse(shutil._destinsrc(src, dst), msg='_destinsrc() wrongly concluded that ' 'dst (%s) is in src (%s)' % (dst, src)) finally: shutil.rmtree(TESTFN, ignore_errors=True) class TestCopyFile(unittest.TestCase): _delete = False class Faux: _entered = False _exited_with = None _raised = False def __init__(self, raise_in_exit=False, suppress_at_exit=True): self._raise_in_exit = raise_in_exit self._suppress_at_exit = suppress_at_exit def read(self, *args): return '' def __enter__(self): self._entered = True def __exit__(self, exc_type, exc_val, exc_tb): self._exited_with = exc_type, exc_val, exc_tb if self._raise_in_exit: self._raised = True raise IOError("Cannot close") return self._suppress_at_exit def tearDown(self): if self._delete: del shutil.open def _set_shutil_open(self, func): shutil.open = func self._delete = True def test_w_source_open_fails(self): def _open(filename, mode='r'): if filename == 'srcfile': raise IOError('Cannot open "srcfile"') assert 0 # shouldn't reach here. self._set_shutil_open(_open) self.assertRaises(IOError, shutil.copyfile, 'srcfile', 'destfile') def test_w_dest_open_fails(self): srcfile = self.Faux() def _open(filename, mode='r'): if filename == 'srcfile': return srcfile if filename == 'destfile': raise IOError('Cannot open "destfile"') assert 0 # shouldn't reach here. self._set_shutil_open(_open) shutil.copyfile('srcfile', 'destfile') self.assertTrue(srcfile._entered) self.assertTrue(srcfile._exited_with[0] is IOError) self.assertEqual(srcfile._exited_with[1].args, ('Cannot open "destfile"',)) def test_w_dest_close_fails(self): srcfile = self.Faux() destfile = self.Faux(True) def _open(filename, mode='r'): if filename == 'srcfile': return srcfile if filename == 'destfile': return destfile assert 0 # shouldn't reach here. self._set_shutil_open(_open) shutil.copyfile('srcfile', 'destfile') self.assertTrue(srcfile._entered) self.assertTrue(destfile._entered) self.assertTrue(destfile._raised) self.assertTrue(srcfile._exited_with[0] is IOError) self.assertEqual(srcfile._exited_with[1].args, ('Cannot close',)) def test_w_source_close_fails(self): srcfile = self.Faux(True) destfile = self.Faux() def _open(filename, mode='r'): if filename == 'srcfile': return srcfile if filename == 'destfile': return destfile assert 0 # shouldn't reach here. self._set_shutil_open(_open) self.assertRaises(IOError, shutil.copyfile, 'srcfile', 'destfile') self.assertTrue(srcfile._entered) self.assertTrue(destfile._entered) self.assertFalse(destfile._raised) self.assertTrue(srcfile._exited_with[0] is None) self.assertTrue(srcfile._raised) def test_move_dir_caseinsensitive(self): # Renames a folder to the same name # but a different case. self.src_dir = tempfile.mkdtemp() dst_dir = os.path.join( os.path.dirname(self.src_dir), os.path.basename(self.src_dir).upper()) self.assertNotEqual(self.src_dir, dst_dir) try: shutil.move(self.src_dir, dst_dir) self.assertTrue(os.path.isdir(dst_dir)) finally: if os.path.exists(dst_dir): os.rmdir(dst_dir)