def test_read_metadata(self):
path = "/tmp/foo/r"
expected_d = {'a': 'y'}
xkey = _xkey(path, utils.METADATA_KEY)
_xattrs[xkey] = serialize_metadata(expected_d)
res_d = self.mp.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_restore_metadata_nochange(self):
# Initial metadata but no changes
path = "/tmp/foo/i"
initial_d = {'a': 'z'}
xkey = _xkey(path, utils.METADATA_KEY)
_xattrs[xkey] = serialize_metadata(initial_d)
res_d = self.mp.restore_metadata(path, {}, initial_d)
expected_d = {'a': 'z'}
self.assertEqual(res_d, expected_d,
"Expected %r, result %r" % (expected_d, res_d))
assert _xattr_op_cnt['set'] == 0, "%r" % _xattr_op_cnt
def test_clean_metadata(self):
path = "/tmp/foo/c"
expected_d = {'a': 'y' * 150000}
expected_p = serialize_metadata(expected_d)
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
self.mp._clean_metadata(path)
assert _xattr_op_cnt['remove'] == 4, "%r" % _xattr_op_cnt
def test_read_metadata_multiple_one_missing(self):
path = "/tmp/foo/r"
expected_d = {'a': 'y' * 150000}
expected_p = serialize_metadata(expected_d)
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 = self.mp.read_metadata(path)
assert res_d == {}
assert _xattr_op_cnt['get'] == 3, "%r" % _xattr_op_cnt
def test_clean_metadata_err(self):
path = "/tmp/foo/c"
xkey = _xkey(path, utils.METADATA_KEY)
_xattrs[xkey] = serialize_metadata({'a': 'y'})
_xattr_rem_err[xkey] = errno.EOPNOTSUPP
try:
self.mp._clean_metadata(path)
except IOError as e:
assert e.errno == errno.EOPNOTSUPP
assert _xattr_op_cnt['remove'] == 1, "%r" % _xattr_op_cnt
else:
self.fail("Expected an IOError exception on remove")
def test_read_cont_metadata(self):
path = os.path.join(self.td, 'cont')
md_dir = os.path.join(self.td, 'cont', self.mp.meta_dir)
md_file = os.path.join(self.td, 'cont', self.mp.meta_dir,
self.mp.cont_meta)
orig_d = {'bar': 'foo'}
mkdirs(md_dir)
with open(md_file, 'wt') as f:
f.write(serialize_metadata(orig_d))
md = self.mp.read_metadata(path)
self.assertEqual(orig_d, md)
def test_read_metadata_multiple(self):
path = "/tmp/foo/r"
expected_d = {'a': 'y' * 150000}
expected_p = serialize_metadata(expected_d)
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 = self.mp.read_metadata(path)
assert res_d == expected_d, "Expected %r, result %r" % \
(expected_d, res_d)
assert _xattr_op_cnt['get'] == 4, "%r" % _xattr_op_cnt
def test_read_metadata_err(self):
path = "/tmp/foo/r"
expected_d = {'a': 'y'}
xkey = _xkey(path, utils.METADATA_KEY)
_xattrs[xkey] = serialize_metadata(expected_d)
_xattr_get_err[xkey] = errno.EOPNOTSUPP
try:
self.mp.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")