def test_write_metadata(self):
path = "/tmp/foo/w"
orig_d = { 'bar' : 'foo' }
utils.write_metadata(path, orig_d)
xkey = _xkey(path, utils.METADATA_KEY)
assert len(_xattrs.keys()) == 1
assert xkey in _xattrs
assert orig_d == pickle.loads(_xattrs[xkey])
assert _xattr_op_cnt['set'] == 1
def test_write_metadata_err(self):
path = "/tmp/foo/w"
orig_d = { 'bar' : 'foo' }
xkey = _xkey(path, utils.METADATA_KEY)
_xattr_err[xkey] = errno.EOPNOTSUPP
try:
utils.write_metadata(path, orig_d)
except IOError as e:
assert e.errno == errno.EOPNOTSUPP
assert len(_xattrs.keys()) == 0
assert _xattr_op_cnt['set'] == 1
else:
self.fail("Expected an IOError exception on write")
def test_write_metadata_multiple(self):
# At 64 KB an xattr key/value pair, this should generate three keys.
path = "/tmp/foo/w"
orig_d = { 'bar' : 'x' * 150000 }
utils.write_metadata(path, orig_d)
assert len(_xattrs.keys()) == 3, "Expected 3 keys, found %d" % len(_xattrs.keys())
payload = ''
for i in range(0,3):
xkey = _xkey(path, "%s%s" % (utils.METADATA_KEY, i or ''))
assert xkey in _xattrs
assert len(_xattrs[xkey]) <= utils.MAX_XATTR_SIZE
payload += _xattrs[xkey]
assert orig_d == pickle.loads(payload)
assert _xattr_op_cnt['set'] == 3, "%r" % _xattr_op_cnt
