def test_read_metadata(self):
path = "/tmp/foo/r"
expected_d = { 'a': 'y' }
xkey = _xkey(path, utils.METADATA_KEY)
_xattrs[xkey] = pickle.dumps(expected_d, utils.PICKLE_PROTOCOL)
res_d = utils.read_metadata(path)
assert res_d == expected_d, "Expected %r, result %r" % (expected_d, res_d)
assert _xattr_op_cnt['get'] == 1, "%r" % _xattr_op_cnt
def test_read_metadata_multiple(self):
path = "/tmp/foo/r"
expected_d = { 'a': 'y' * 150000 }
expected_p = pickle.dumps(expected_d, utils.PICKLE_PROTOCOL)
for i in range(0,3):
xkey = _xkey(path, "%s%s" % (utils.METADATA_KEY, i or ''))
_xattrs[xkey] = expected_p[:utils.MAX_XATTR_SIZE]
expected_p = expected_p[utils.MAX_XATTR_SIZE:]
assert not expected_p
res_d = utils.read_metadata(path)
assert res_d == expected_d, "Expected %r, result %r" % (expected_d, res_d)
assert _xattr_op_cnt['get'] == 3, "%r" % _xattr_op_cnt
def test_read_metadata_multiple_one_missing(self):
path = "/tmp/foo/r"
expected_d = { 'a': 'y' * 150000 }
expected_p = pickle.dumps(expected_d, utils.PICKLE_PROTOCOL)
for i in range(0,2):
xkey = _xkey(path, "%s%s" % (utils.METADATA_KEY, i or ''))
_xattrs[xkey] = expected_p[:utils.MAX_XATTR_SIZE]
expected_p = expected_p[utils.MAX_XATTR_SIZE:]
assert len(expected_p) <= utils.MAX_XATTR_SIZE
res_d = utils.read_metadata(path)
assert res_d == {}
assert _xattr_op_cnt['get'] == 3, "%r" % _xattr_op_cnt
assert len(_xattrs.keys()) == 0, "Expected 0 keys, found %d" % len(_xattrs.keys())
def test_read_metadata_err(self):
path = "/tmp/foo/r"
expected_d = { 'a': 'y' }
xkey = _xkey(path, utils.METADATA_KEY)
_xattrs[xkey] = pickle.dumps(expected_d, utils.PICKLE_PROTOCOL)
_xattr_err[xkey] = errno.EOPNOTSUPP
try:
res_d = utils.read_metadata(path)
except IOError as e:
assert e.errno == errno.EOPNOTSUPP
assert (_xattr_op_cnt['get'] == 1), "%r" % _xattr_op_cnt
else:
self.fail("Expected an IOError exception on get")
def test_read_metadata_notfound(self):
path = "/tmp/foo/r"
res_d = utils.read_metadata(path)
assert res_d == {}
assert _xattr_op_cnt['get'] == 1, "%r" % _xattr_op_cnt
