diff options
Diffstat (limited to 'Lib/test/test_shutil.py')
| -rw-r--r-- | Lib/test/test_shutil.py | 108 |
1 files changed, 72 insertions, 36 deletions
diff --git a/Lib/test/test_shutil.py b/Lib/test/test_shutil.py index 30d9e07..5252d4d 100644 --- a/Lib/test/test_shutil.py +++ b/Lib/test/test_shutil.py @@ -7,6 +7,7 @@ import sys import stat import os import os.path +import functools from test import support from test.support import TESTFN from os.path import splitdrive @@ -48,6 +49,21 @@ try: 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): + @functools.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): @@ -393,6 +409,41 @@ class TestShutil(unittest.TestCase): 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, 'chmod'), '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 @@ -403,6 +454,8 @@ class TestShutil(unittest.TestCase): 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") @@ -518,6 +571,8 @@ class TestShutil(unittest.TestCase): 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) @@ -645,6 +700,14 @@ class TestShutil(unittest.TestCase): 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, []) + self.assertRaises(shutil.ReadError, unpack_archive, TESTFN) + self.assertRaises(ValueError, unpack_archive, TESTFN, format='xxx') + def test_unpack_registery(self): formats = get_unpack_formats() @@ -680,20 +743,11 @@ class TestMove(unittest.TestCase): 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(b"spam") def tearDown(self): - for d in (self.src_dir, self.dst_dir, self.dir_other_fs): + for d in (self.src_dir, self.dst_dir): try: if d: shutil.rmtree(d) @@ -722,21 +776,15 @@ class TestMove(unittest.TestCase): # 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. - if not self.dir_other_fs: - # skip - return - self._check_move_file(self.src_file, self.file_other_fs, - self.file_other_fs) + self.test_move_file() + @mock_rename 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) + self.test_move_file_to_dir() def test_move_dir(self): # Move a dir to another location on the same filesystem. @@ -749,32 +797,20 @@ class TestMove(unittest.TestCase): except: pass + @mock_rename 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 + 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. - 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))) + 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. |