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-rw-r--r--libbtrfsutil/python/tests/__init__.py66
1 files changed, 66 insertions, 0 deletions
diff --git a/libbtrfsutil/python/tests/__init__.py b/libbtrfsutil/python/tests/__init__.py
index e69de29..d2c6ff2 100644
--- a/libbtrfsutil/python/tests/__init__.py
+++ b/libbtrfsutil/python/tests/__init__.py
@@ -0,0 +1,66 @@
+# Copyright (C) 2018 Facebook
+#
+# This file is part of libbtrfsutil.
+#
+# libbtrfsutil is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# libbtrfsutil 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 Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with libbtrfsutil. If not, see <http://www.gnu.org/licenses/>.
+
+import os
+from pathlib import PurePath
+import subprocess
+import tempfile
+import unittest
+
+
+HAVE_PATH_LIKE = hasattr(PurePath, '__fspath__')
+
+
+@unittest.skipIf(os.geteuid() != 0, 'must be run as root')
+class BtrfsTestCase(unittest.TestCase):
+ def setUp(self):
+ self.mountpoint = tempfile.mkdtemp()
+ try:
+ with tempfile.NamedTemporaryFile(delete=False) as f:
+ os.truncate(f.fileno(), 1024 * 1024 * 1024)
+ self.image = f.name
+ except Exception as e:
+ os.rmdir(self.mountpoint)
+ raise e
+
+ try:
+ subprocess.check_call(['mkfs.btrfs', '-q', self.image])
+ subprocess.check_call(['mount', '-o', 'loop', '--', self.image, self.mountpoint])
+ except Exception as e:
+ os.remove(self.image)
+ os.rmdir(self.mountpoint)
+ raise e
+
+ def tearDown(self):
+ try:
+ subprocess.check_call(['umount', self.mountpoint])
+ finally:
+ os.remove(self.image)
+ os.rmdir(self.mountpoint)
+
+ @staticmethod
+ def path_or_fd(path, open_flags=os.O_RDONLY):
+ yield path
+ yield path.encode()
+ if HAVE_PATH_LIKE:
+ yield PurePath(path)
+ fd = os.open(path, open_flags)
+ try:
+ yield fd
+ finally:
+ os.close(fd)
+