Add test of utf-8 xattrs

Author: jepler

example/xattr.py

@@ -0,0 +1,61 @@
+# Example by github @vignedev from https://github.com/libfuse/python-fuse/issues/77
+
+import fuse
+import stat, errno
+from fuse import Fuse, Stat, Direntry
+
+fuse.fuse_python_api = (0, 2)
+
+BROKEN_FILE = '/utf8_attr'
+FATTR_NAME = 'user.xdg.comment'
+FATTR_VALUE = 'ああ、メッセージは切り取られていない'
+
+class EmptyStat(Stat):
+  def __init__(self):
+    self.st_mode = 0
+    self.st_ino = 0
+    self.st_dev = 0
+    self.st_nlink = 0
+    self.st_uid = 0
+    self.st_gid = 0
+    self.st_size = 0
+    self.st_atime = 0
+    self.st_mtime = 0
+    self.st_ctime = 0
+
+class GetAttrBug(Fuse):
+  def getattr(self, path):
+    ret_stat = EmptyStat()
+    if path == '/':
+      ret_stat.st_mode = stat.S_IFDIR | int(0e755)
+      return ret_stat
+
+    if path == BROKEN_FILE:
+      ret_stat.st_mode = stat.S_IFREG | int(0e000)
+      return ret_stat
+    
+    return -errno.ENOENT
+
+  def readdir(self, path, offset):
+    yield Direntry('.')
+    yield Direntry('..')
+    yield Direntry(BROKEN_FILE[1:])
+
+  def open(self, path, flags):
+    return -errno.EACCES
+
+  def read(self, path, size, offset):
+    return
+
+  def listxattr(self, path, size):
+    if size == 0: return 1
+    else: return [ FATTR_NAME ]
+
+  def getxattr(self, path, attr, size):
+    if size == 0: return len(FATTR_VALUE.encode('utf8'))
+    else: return FATTR_VALUE
+
+if __name__ == '__main__':
+  server = GetAttrBug(dash_s_do='setsingle')
+  server.parse(errex=1)
+  server.main()

tests/test_basic.py

@@ -61,3 +61,6 @@ def test_fioc(filesystem):
         fcntl.ioctl(f.fileno(), FIOC_GET_SIZE, b)
         assert struct.unpack("L", b)[0] == 42
 
+@pytest.mark.fstype("xattr")
+def test_xattr(filesystem):
+    assert os.getxattr(filesystem / "utf8_attr", "user.xdg.comment").decode("utf-8") == 'ああ、メッセージは切り取られていない'