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Diffstat (limited to 'lib/python2.7/test/test_shutil.py')
| -rw-r--r-- | lib/python2.7/test/test_shutil.py | 865 |
1 files changed, 0 insertions, 865 deletions
diff --git a/lib/python2.7/test/test_shutil.py b/lib/python2.7/test/test_shutil.py deleted file mode 100644 index 9bdb724..0000000 --- a/lib/python2.7/test/test_shutil.py +++ /dev/null @@ -1,865 +0,0 @@ -# Copyright (C) 2003 Python Software Foundation - -import unittest -import shutil -import tempfile -import sys -import stat -import os -import os.path -import errno -from os.path import splitdrive -from distutils.spawn import find_executable, spawn -from shutil import (_make_tarball, _make_zipfile, make_archive, - register_archive_format, unregister_archive_format, - get_archive_formats) -import tarfile -import warnings - -from test import test_support -from test.test_support import TESTFN, check_warnings, captured_stdout - -TESTFN2 = TESTFN + "2" - -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') - -class TestShutil(unittest.TestCase): - - def setUp(self): - super(TestShutil, self).setUp() - self.tempdirs = [] - - 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 - 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. - 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 test_copytree_simple(self): - def write_data(path, data): - f = open(path, "w") - f.write(data) - f.close() - - 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') - - write_data(os.path.join(src_dir, 'test.txt'), '123') - - os.mkdir(os.path.join(src_dir, 'test_dir')) - 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 write_data(path, data): - f = open(path, "w") - f.write(data) - f.close() - - 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') - write_data(join(src_dir, 'test.txt'), '123') - write_data(join(src_dir, 'test.tmp'), '123') - os.mkdir(join(src_dir, 'test_dir')) - write_data(join(src_dir, 'test_dir', 'test.txt'), '456') - os.mkdir(join(src_dir, 'test_dir2')) - 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')) - write_data(join(src_dir, 'test_dir2', 'subdir', 'test.txt'), '456') - 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)) - - if hasattr(os, "symlink"): - def test_dont_copy_file_onto_link_to_itself(self): - # bug 851123. - os.mkdir(TESTFN) - src = os.path.join(TESTFN, 'cheese') - dst = os.path.join(TESTFN, 'shop') - try: - f = open(src, 'w') - f.write('cheddar') - f.close() - - os.link(src, dst) - self.assertRaises(shutil.Error, shutil.copyfile, src, dst) - with open(src, 'r') as f: - self.assertEqual(f.read(), 'cheddar') - os.remove(dst) - - # 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) - with open(src, 'r') as f: - self.assertEqual(f.read(), 'cheddar') - os.remove(dst) - finally: - try: - shutil.rmtree(TESTFN) - except OSError: - pass - - def test_rmtree_on_symlink(self): - # bug 1669. - 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): - os.mkfifo(TESTFN) - try: - self.assertRaises(shutil.SpecialFileError, - shutil.copyfile, TESTFN, TESTFN2) - self.assertRaises(shutil.SpecialFileError, - shutil.copyfile, __file__, TESTFN) - finally: - os.remove(TESTFN) - - def test_copytree_named_pipe(self): - 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) - - @unittest.skipUnless(hasattr(os, 'chflags') and - hasattr(errno, 'EOPNOTSUPP') and - hasattr(errno, 'ENOTSUP'), - "requires os.chflags, EOPNOTSUPP & ENOTSUP") - def test_copystat_handles_harmless_chflags_errors(self): - tmpdir = self.mkdtemp() - file1 = os.path.join(tmpdir, 'file1') - file2 = os.path.join(tmpdir, 'file2') - self.write_file(file1, 'xxx') - self.write_file(file2, 'xxx') - - def make_chflags_raiser(err): - ex = OSError() - - def _chflags_raiser(path, flags): - ex.errno = err - raise ex - return _chflags_raiser - old_chflags = os.chflags - try: - for err in errno.EOPNOTSUPP, errno.ENOTSUP: - os.chflags = make_chflags_raiser(err) - shutil.copystat(file1, file2) - # assert others errors break it - os.chflags = make_chflags_raiser(errno.EOPNOTSUPP + errno.ENOTSUP) - self.assertRaises(OSError, shutil.copystat, file1, file2) - finally: - os.chflags = old_chflags - - @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() - os.chdir(tmpdir) - try: - with captured_stdout() as s: - spawn(tar_cmd) - spawn(gzip_cmd) - finally: - os.chdir(old_dir) - - 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) - - -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) - # Try to create a dir in the current directory, hoping that it is - # not located on the same filesystem as the system tmp dir. - try: - self.dir_other_fs = tempfile.mkdtemp( - dir=os.path.dirname(__file__)) - self.file_other_fs = os.path.join(self.dir_other_fs, - filename) - except OSError: - self.dir_other_fs = None - with open(self.src_file, "wb") as f: - f.write("spam") - - def tearDown(self): - for d in (self.src_dir, self.dst_dir, self.dir_other_fs): - try: - if d: - shutil.rmtree(d) - except: - pass - - def _check_move_file(self, src, dst, real_dst): - with open(src, "rb") as f: - contents = f.read() - shutil.move(src, dst) - with open(real_dst, "rb") as f: - self.assertEqual(contents, f.read()) - 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) - - def test_move_file_other_fs(self): - # Move a file to an existing dir on another filesystem. - if not self.dir_other_fs: - # skip - return - self._check_move_file(self.src_file, self.file_other_fs, - self.file_other_fs) - - def test_move_file_to_dir_other_fs(self): - # Move a file to another location on another filesystem. - if not self.dir_other_fs: - # skip - return - self._check_move_file(self.src_file, self.dir_other_fs, - self.file_other_fs) - - 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 - - def test_move_dir_other_fs(self): - # Move a dir to another location on another filesystem. - if not self.dir_other_fs: - # skip - return - dst_dir = tempfile.mktemp(dir=self.dir_other_fs) - try: - self._check_move_dir(self.src_dir, dst_dir, dst_dir) - finally: - try: - shutil.rmtree(dst_dir) - except: - pass - - 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))) - - def test_move_dir_to_dir_other_fs(self): - # Move a dir inside an existing dir on another filesystem. - if not self.dir_other_fs: - # skip - return - self._check_move_dir(self.src_dir, self.dir_other_fs, - os.path.join(self.dir_other_fs, os.path.basename(self.src_dir))) - - def test_existing_file_inside_dest_dir(self): - # A file with the same name inside the destination dir already exists. - with open(self.dst_file, "wb"): - pass - 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): - 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): - 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(object): - _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) - - - -def test_main(): - test_support.run_unittest(TestShutil, TestMove, TestCopyFile) - -if __name__ == '__main__': - test_main() |