def test_bcache_parse_tolerates_missing_blockdev_data(self):
""" BcacheParser ValueError on missing 'blockdev' dict."""
del (self.probe_data['blockdev'])
b = BcacheParser(self.probe_data)
(configs, errors) = b.parse()
self.assertEqual([], configs)
self.assertEqual([], errors)
def test_bcache_parse_ignores_bcache_cache_only(self):
""" BcacheParser ignores cache device only. """
probe_data = _get_data('probert_storage_diglett.json')
probe_data['bcache']['backing'] = {}
bcachep = BcacheParser(probe_data)
(configs, errors) = bcachep.parse()
self.assertEqual([], errors)
self.assertEqual(0, len(configs))
def test_bcache_parse_extracts_bcache_backing_only(self):
""" BcacheParser extracts bcache config w/ backing device only. """
probe_data = _get_data('probert_storage_diglett.json')
probe_data['bcache']['caching'] = {}
bcachep = BcacheParser(probe_data)
(configs, errors) = bcachep.parse()
self.assertEqual([], errors)
self.assertEqual(1, len(configs))
expected_config = {
'type': 'bcache',
'id': 'disk-bcache0',
'name': 'bcache0',
'backing_device': 'partition-sda3',
'cache_mode': 'writeback',
}
self.assertDictEqual(expected_config, configs[0])