def test_calculate_free_space(self):
dev_info = mock.Mock()
dev_info.f_bsize = 1048576
dev_info.f_bavail = 2
with patch.object(os, 'statvfs', return_value=dev_info) as st_mock:
self.assertEqual(calculate_free_space('/tmp/dir/file'), 2)
st_mock.assert_called_once_with('/tmp/dir')
def _check_free_space(self):
"""Check `self.dst_path` free space
:raises: errors.NotEnoughFreeSpace
"""
free_space = calculate_free_space(self.dst_path)
if free_space < self.required_free_space:
raise errors.NotEnoughFreeSpace(
u'Not enough free space, path - "{0}", '
'free space - "{1}", '
'required free space - "{2}"'.format(self.dst_path, free_space,
self.required_free_space))