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#!/usr/bin/python3
#
# Tests of the fuse mount functionality.
import pytest
import os
from tests 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()
@pytest.mark.skipif(util.ENABLE_VALGRIND, reason="test broken")
def test_remount(bfuse):
bfuse.mount()
bfuse.unmount()
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'
bfuse.unmount()
bfuse.verify()
|
