diff options
Diffstat (limited to 'libbtrfsutil/python/tests/test_subvolume.py')
-rw-r--r-- | libbtrfsutil/python/tests/test_subvolume.py | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/libbtrfsutil/python/tests/test_subvolume.py b/libbtrfsutil/python/tests/test_subvolume.py index 937a4397..b43beca7 100644 --- a/libbtrfsutil/python/tests/test_subvolume.py +++ b/libbtrfsutil/python/tests/test_subvolume.py @@ -214,3 +214,59 @@ class TestSubvolume(BtrfsTestCase): wstatus = os.waitpid(pid, 0)[1] self.assertTrue(os.WIFEXITED(wstatus)) self.assertEqual(os.WEXITSTATUS(wstatus), 0) + + def test_subvolume_iterator(self): + pwd = os.getcwd() + try: + os.chdir(self.mountpoint) + btrfsutil.create_subvolume('foo') + + path, subvol = next(btrfsutil.SubvolumeIterator('.', info=True)) + self.assertEqual(path, 'foo') + self.assertIsInstance(subvol, btrfsutil.SubvolumeInfo) + self.assertEqual(subvol.id, 256) + self.assertEqual(subvol.parent_id, 5) + + btrfsutil.create_subvolume('foo/bar') + btrfsutil.create_subvolume('foo/bar/baz') + + subvols = [ + ('foo', 256), + ('foo/bar', 257), + ('foo/bar/baz', 258), + ] + + for arg in self.path_or_fd('.'): + with self.subTest(type=type(arg)): + self.assertEqual(list(btrfsutil.SubvolumeIterator(arg)), subvols) + self.assertEqual(list(btrfsutil.SubvolumeIterator('.', top=0)), subvols) + + self.assertEqual(list(btrfsutil.SubvolumeIterator('.', post_order=True)), + [('foo/bar/baz', 258), + ('foo/bar', 257), + ('foo', 256)]) + + subvols = [ + ('bar', 257), + ('bar/baz', 258), + ] + + self.assertEqual(list(btrfsutil.SubvolumeIterator('.', top=256)), subvols) + self.assertEqual(list(btrfsutil.SubvolumeIterator('foo', top=0)), subvols) + + os.rename('foo/bar/baz', 'baz') + self.assertEqual(sorted(btrfsutil.SubvolumeIterator('.')), + [('baz', 258), + ('foo', 256), + ('foo/bar', 257)]) + + with btrfsutil.SubvolumeIterator('.') as it: + self.assertGreaterEqual(it.fileno(), 0) + it.close() + with self.assertRaises(ValueError): + next(iter(it)) + with self.assertRaises(ValueError): + it.fileno() + it.close() + finally: + os.chdir(pwd) |