bcachefs-tools/tests/test_fuse.py
Justin Husted a00998c4cd Make fuse3 support optional and document.
The experimental fuse3 support is not complete yet, and fuse3 is new and
still difficult to install on some platforms.

Make it optional at compile time, and default to off.

Signed-off-by: Justin Husted <sigstop@gmail.com>
2019-11-11 12:18:22 -08:00

226 lines
4.7 KiB
Python

#!/usr/bin/python3
#
# Tests of the fuse mount functionality.
import pytest
import os
import util
pytestmark = pytest.mark.skipif(
not util.have_fuse(), reason="bcachefs not built with fuse support.")
def test_mount(bfuse):
bfuse.mount()
bfuse.unmount()
bfuse.verify()
def test_lostfound(bfuse):
bfuse.mount()
lf = bfuse.mnt / "lost+found"
assert lf.is_dir()
st = lf.stat()
assert st.st_mode == 0o40700
bfuse.unmount()
bfuse.verify()
def test_create(bfuse):
bfuse.mount()
path = bfuse.mnt / "file"
with util.Timestamp() as ts:
fd = os.open(path, os.O_CREAT, 0o700)
assert fd >= 0
os.close(fd)
assert path.is_file()
# Verify file.
st = path.stat()
assert st.st_mode == 0o100700
assert st.st_mtime == st.st_ctime
assert st.st_mtime == st.st_atime
assert ts.contains(st.st_mtime)
# Verify dir.
dst = bfuse.mnt.stat()
assert dst.st_mtime == dst.st_ctime
assert ts.contains(dst.st_mtime)
bfuse.unmount()
bfuse.verify()
def test_mkdir(bfuse):
bfuse.mount()
path = bfuse.mnt / "dir"
with util.Timestamp() as ts:
os.mkdir(path, 0o700)
assert path.is_dir()
# Verify child.
st = path.stat()
assert st.st_mode == 0o40700
assert st.st_mtime == st.st_ctime
assert st.st_mtime == st.st_atime
assert ts.contains(st.st_mtime)
# Verify parent.
dst = bfuse.mnt.stat()
assert dst.st_mtime == dst.st_ctime
assert ts.contains(dst.st_mtime)
bfuse.unmount()
bfuse.verify()
def test_unlink(bfuse):
bfuse.mount()
path = bfuse.mnt / "file"
path.touch(mode=0o600, exist_ok=False)
with util.Timestamp() as ts:
os.unlink(path)
assert not path.exists()
# Verify dir.
dst = bfuse.mnt.stat()
assert dst.st_mtime == dst.st_ctime
assert ts.contains(dst.st_mtime)
bfuse.unmount()
bfuse.verify()
def test_rmdir(bfuse):
bfuse.mount()
path = bfuse.mnt / "dir"
path.mkdir(mode=0o700, exist_ok=False)
with util.Timestamp() as ts:
os.rmdir(path)
assert not path.exists()
# Verify dir.
dst = bfuse.mnt.stat()
assert dst.st_mtime == dst.st_ctime
assert ts.contains(dst.st_mtime)
bfuse.unmount()
bfuse.verify()
def test_rename(bfuse):
bfuse.mount()
srcdir = bfuse.mnt
path = srcdir / "file"
path.touch(mode=0o600, exist_ok=False)
destdir = srcdir / "dir"
destdir.mkdir(mode=0o700, exist_ok=False)
destpath = destdir / "file"
path_pre_st = path.stat()
with util.Timestamp() as ts:
os.rename(path, destpath)
assert not path.exists()
assert destpath.is_file()
# Verify dirs.
src_st = srcdir.stat()
assert src_st.st_mtime == src_st.st_ctime
assert ts.contains(src_st.st_mtime)
dest_st = destdir.stat()
assert dest_st.st_mtime == dest_st.st_ctime
assert ts.contains(dest_st.st_mtime)
# Verify file.
path_post_st = destpath.stat()
assert path_post_st.st_mtime == path_pre_st.st_mtime
assert path_post_st.st_atime == path_pre_st.st_atime
assert ts.contains(path_post_st.st_ctime)
bfuse.unmount()
bfuse.verify()
def test_link(bfuse):
bfuse.mount()
srcdir = bfuse.mnt
path = srcdir / "file"
path.touch(mode=0o600, exist_ok=False)
destdir = srcdir / "dir"
destdir.mkdir(mode=0o700, exist_ok=False)
destpath = destdir / "file"
path_pre_st = path.stat()
srcdir_pre_st = srcdir.stat()
with util.Timestamp() as ts:
os.link(path, destpath)
assert path.exists()
assert destpath.is_file()
# Verify source dir is unchanged.
srcdir_post_st = srcdir.stat()
assert srcdir_pre_st == srcdir_post_st
# Verify dest dir.
destdir_st = destdir.stat()
assert destdir_st.st_mtime == destdir_st.st_ctime
assert ts.contains(destdir_st.st_mtime)
# Verify file.
path_post_st = path.stat()
destpath_post_st = destpath.stat()
assert path_post_st == destpath_post_st
assert path_post_st.st_mtime == path_pre_st.st_mtime
assert path_post_st.st_atime == path_pre_st.st_atime
assert ts.contains(path_post_st.st_ctime)
bfuse.unmount()
bfuse.verify()
def test_write(bfuse):
bfuse.mount()
path = bfuse.mnt / "file"
path.touch(mode=0o600, exist_ok=False)
pre_st = path.stat()
fd = os.open(path, os.O_WRONLY)
assert fd >= 0
with util.Timestamp() as ts:
written = os.write(fd, b'test')
os.close(fd)
assert written == 4
post_st = path.stat()
assert post_st.st_atime == pre_st.st_atime
assert post_st.st_mtime == post_st.st_ctime
assert ts.contains(post_st.st_mtime)
assert path.read_bytes() == b'test'