class TestMongoInterface(unittest.TestCase):
@classmethod
def setUpClass(cls):
cls._config = get_config_for_testing(TMP_DIR)
cls._config.set('data_storage', 'report_threshold', '32')
cls._config.set('data_storage', 'sanitize_database', 'tmp_sanitize')
cls.mongo_server = MongoMgr(config=cls._config)
def setUp(self):
self.db_interface = MongoInterfaceCommon(config=self._config)
self.db_interface_backend = BackEndDbInterface(config=self._config)
self.test_firmware = create_test_firmware()
self.test_yara_match = {
'rule': 'OpenSSH',
'tags': [],
'namespace': 'default',
'strings': [(0, '$a', b'OpenSSH')],
'meta': {
'description': 'SSH library',
'website': 'http://www.openssh.com',
'open_source': True,
'software_name': 'OpenSSH'
},
'matches': True
}
self.test_fo = create_test_file_object()
def tearDown(self):
self.db_interface_backend.client.drop_database(
self._config.get('data_storage', 'main_database'))
self.db_interface_backend.shutdown()
self.db_interface.client.drop_database(
self._config.get('data_storage', 'sanitize_database'))
self.db_interface.shutdown()
gc.collect()
@classmethod
def tearDownClass(cls):
cls.mongo_server.shutdown()
TMP_DIR.cleanup()
def _get_all_firmware_uids(self):
uid_list = []
tmp = self.db_interface.firmwares.find()
for item in tmp:
uid_list.append(item['_id'])
return uid_list
def test_existence_quick_check(self):
self.assertFalse(
self.db_interface.existence_quick_check('none_existing'),
'none existing firmware found')
self.db_interface_backend.add_firmware(self.test_firmware)
self.assertTrue(
self.db_interface.existence_quick_check(self.test_firmware.uid),
'existing firmware not found')
self.db_interface_backend.add_file_object(self.test_fo)
self.assertTrue(
self.db_interface.existence_quick_check(self.test_fo.uid),
'existing file not found')
def test_get_firmware(self):
self.db_interface_backend.add_firmware(self.test_firmware)
fobject = self.db_interface.get_firmware(self.test_firmware.uid)
self.assertEqual(fobject.vendor, 'test_vendor')
self.assertEqual(fobject.device_name, 'test_router')
self.assertEqual(fobject.part, '')
def test_get_object(self):
fo = self.db_interface.get_object(self.test_firmware.uid)
self.assertIsNone(
fo, 'found something but there is nothing in the database')
self.db_interface_backend.add_firmware(self.test_firmware)
fo = self.db_interface.get_object(self.test_firmware.uid)
self.assertIsInstance(fo, Firmware, 'firmware has wrong type')
self.assertEqual(fo.device_name, 'test_router',
'Device name in Firmware not correct')
test_file = FileObject(file_path=path.join(get_test_data_dir(),
'get_files_test/testfile2'))
self.db_interface_backend.add_file_object(test_file)
fo = self.db_interface.get_object(test_file.uid)
self.assertIsInstance(fo, FileObject, 'file object has wrong type')
def test_get_complete_object_including_all_summaries(self):
self.db_interface_backend.report_threshold = 1024
test_file = create_test_file_object()
self.test_firmware.add_included_file(test_file)
self.db_interface_backend.add_firmware(self.test_firmware)
self.db_interface_backend.add_file_object(test_file)
tmp = self.db_interface.get_complete_object_including_all_summaries(
self.test_firmware.uid)
self.assertIsInstance(tmp, Firmware, 'wrong type')
self.assertIn('summary', tmp.processed_analysis['dummy'].keys(),
'summary not found in processed analysis')
self.assertIn('sum a', tmp.processed_analysis['dummy']['summary'],
'summary of original file not included')
self.assertIn('file exclusive sum b',
tmp.processed_analysis['dummy']['summary'],
'summary of included file not found')
def test_sanitize_analysis(self):
short_dict = {'stub_plugin': {'result': 0}}
long_dict = {
'stub_plugin': {
'result': 10000000000,
'misc': 'Bananarama',
'summary': []
}
}
self.test_firmware.processed_analysis = short_dict
sanitized_dict = self.db_interface.sanitize_analysis(
self.test_firmware.processed_analysis, self.test_firmware.uid)
self.assertIn('file_system_flag', sanitized_dict['stub_plugin'].keys())
self.assertFalse(sanitized_dict['stub_plugin']['file_system_flag'])
self.assertEqual(self.db_interface.sanitize_fs.list(), [],
'file stored in db but should not')
self.test_firmware.processed_analysis = long_dict
sanitized_dict = self.db_interface.sanitize_analysis(
self.test_firmware.processed_analysis, self.test_firmware.uid)
self.assertIn('stub_plugin_result_{}'.format(self.test_firmware.uid),
self.db_interface.sanitize_fs.list(),
'sanitized file not stored')
self.assertNotIn('summary_result_{}'.format(self.test_firmware.uid),
self.db_interface.sanitize_fs.list(),
'summary is erroneously stored')
self.assertIn('file_system_flag', sanitized_dict['stub_plugin'].keys())
self.assertTrue(sanitized_dict['stub_plugin']['file_system_flag'])
self.assertEqual(type(sanitized_dict['stub_plugin']['summary']), list)
def test_sanitize_db_duplicates(self):
long_dict = {
'stub_plugin': {
'result': 10000000000,
'misc': 'Bananarama',
'summary': []
}
}
gridfs_file_name = 'stub_plugin_result_{}'.format(
self.test_firmware.uid)
self.test_firmware.processed_analysis = long_dict
assert self.db_interface.sanitize_fs.find({
'filename': gridfs_file_name
}).count() == 0
self.db_interface.sanitize_analysis(
self.test_firmware.processed_analysis, self.test_firmware.uid)
assert self.db_interface.sanitize_fs.find({
'filename': gridfs_file_name
}).count() == 1
self.db_interface.sanitize_analysis(
self.test_firmware.processed_analysis, self.test_firmware.uid)
assert self.db_interface.sanitize_fs.find({
'filename': gridfs_file_name
}).count() == 1, 'duplicate entry was created'
md5 = self.db_interface.sanitize_fs.find_one({
'filename':
gridfs_file_name
}).md5
long_dict['stub_plugin']['result'] += 1 # new analysis result
self.db_interface.sanitize_analysis(
self.test_firmware.processed_analysis, self.test_firmware.uid)
assert self.db_interface.sanitize_fs.find({
'filename': gridfs_file_name
}).count() == 1, 'duplicate entry was created'
assert self.db_interface.sanitize_fs.find_one({
'filename':
gridfs_file_name
}).md5 != md5, 'hash of new file did not change'
def test_retrieve_analysis(self):
self.db_interface.sanitize_fs.put(pickle.dumps('This is a test!'),
filename='test_file_path')
sanitized_dict = {
'stub_plugin': {
'result': 'test_file_path',
'file_system_flag': True
}
}
sanitized_dict['inbound_result'] = {
'result': 'inbound result',
'file_system_flag': False
}
retrieved_dict = self.db_interface.retrieve_analysis(sanitized_dict)
self.assertNotIn('file_system_flag',
retrieved_dict['stub_plugin'].keys())
self.assertIn('result', retrieved_dict['stub_plugin'].keys())
self.assertEqual(retrieved_dict['stub_plugin']['result'],
'This is a test!')
self.assertNotIn('file_system_flag',
retrieved_dict['inbound_result'].keys())
self.assertEqual(retrieved_dict['inbound_result']['result'],
'inbound result')
def test_retrieve_analysis_filter(self):
self.db_interface.sanitize_fs.put(pickle.dumps('This is a test!'),
filename='test_file_path')
sanitized_dict = {
'selected_plugin': {
'result': 'test_file_path',
'file_system_flag': True
}
}
sanitized_dict['other_plugin'] = {
'result': 'test_file_path',
'file_system_flag': True
}
retrieved_dict = self.db_interface.retrieve_analysis(
sanitized_dict, analysis_filter=['selected_plugin'])
self.assertEqual(retrieved_dict['selected_plugin']['result'],
'This is a test!')
self.assertIn('file_system_flag', retrieved_dict['other_plugin'])
def test_get_objects_by_uid_list(self):
self.db_interface_backend.add_firmware(self.test_firmware)
fo_list = self.db_interface.get_objects_by_uid_list(
[self.test_firmware.uid])
self.assertIsInstance(fo_list[0], Firmware, 'firmware has wrong type')
self.assertEqual(fo_list[0].device_name, 'test_router',
'Device name in Firmware not correct')
test_file = FileObject(file_path=path.join(get_test_data_dir(),
'get_files_test/testfile2'))
self.db_interface_backend.add_file_object(test_file)
fo_list = self.db_interface.get_objects_by_uid_list([test_file.uid])
self.assertIsInstance(fo_list[0], FileObject,
'file object has wrong type')
def test_sanitize_extract_and_retrieve_binary(self):
test_data = {'dummy': {'test_key': 'test_value'}}
test_data['dummy'] = self.db_interface._extract_binaries(
test_data, 'dummy', 'uid')
self.assertEqual(self.db_interface.sanitize_fs.list(),
['dummy_test_key_uid'], 'file not written')
self.assertEqual(test_data['dummy']['test_key'], 'dummy_test_key_uid',
'new file path not set')
test_data['dummy'] = self.db_interface._retrieve_binaries(
test_data, 'dummy')
self.assertEqual(test_data['dummy']['test_key'], 'test_value',
'value not recoverd')
def test_get_firmware_number(self):
result = self.db_interface.get_firmware_number()
self.assertEqual(result, 0)
self.db_interface_backend.add_firmware(self.test_firmware)
result = self.db_interface.get_firmware_number(query={})
self.assertEqual(result, 1)
result = self.db_interface.get_firmware_number(
query={'_id': self.test_firmware.uid})
self.assertEqual(result, 1)
test_fw_2 = create_test_firmware(bin_path='container/test.7z')
self.db_interface_backend.add_firmware(test_fw_2)
result = self.db_interface.get_firmware_number(query='{}')
self.assertEqual(result, 2)
result = self.db_interface.get_firmware_number(
query={'_id': self.test_firmware.uid})
self.assertEqual(result, 1)
def test_get_file_object_number(self):
result = self.db_interface.get_file_object_number()
self.assertEqual(result, 0)
self.db_interface_backend.add_file_object(self.test_fo)
result = self.db_interface.get_file_object_number(
query={}, zero_on_empty_query=False)
self.assertEqual(result, 1)
result = self.db_interface.get_file_object_number(
query={'_id': self.test_fo.uid})
self.assertEqual(result, 1)
result = self.db_interface.get_file_object_number(
query=json.dumps({'_id': self.test_fo.uid}))
self.assertEqual(result, 1)
result = self.db_interface.get_file_object_number(
query={}, zero_on_empty_query=True)
self.assertEqual(result, 0)
result = self.db_interface.get_file_object_number(
query='{}', zero_on_empty_query=True)
self.assertEqual(result, 0)
test_fo_2 = create_test_file_object(
bin_path='get_files_test/testfile2')
self.db_interface_backend.add_file_object(test_fo_2)
result = self.db_interface.get_file_object_number(
query={}, zero_on_empty_query=False)
self.assertEqual(result, 2)
result = self.db_interface.get_file_object_number(
query={'_id': self.test_fo.uid})
self.assertEqual(result, 1)
def test_unpacking_lock(self):
first_uid, second_uid = 'id1', 'id2'
assert not self.db_interface.check_unpacking_lock(
first_uid) and not self.db_interface.check_unpacking_lock(
second_uid), 'locks should not be set at start'
self.db_interface.set_unpacking_lock(first_uid)
assert self.db_interface.check_unpacking_lock(
first_uid), 'locks should have been set'
self.db_interface.set_unpacking_lock(second_uid)
assert self.db_interface.check_unpacking_lock(
first_uid) and self.db_interface.check_unpacking_lock(
second_uid), 'both locks should be set'
self.db_interface.release_unpacking_lock(first_uid)
assert not self.db_interface.check_unpacking_lock(
first_uid) and self.db_interface.check_unpacking_lock(
second_uid), 'lock 1 should be released, lock 2 not'
self.db_interface.drop_unpacking_locks()
assert not self.db_interface.check_unpacking_lock(
second_uid), 'all locks should be dropped'
def test_lock_is_released(self):
self.db_interface.set_unpacking_lock(self.test_fo.uid)
assert self.db_interface.check_unpacking_lock(
self.test_fo.uid), 'setting lock did not work'
self.db_interface_backend.add_object(self.test_fo)
assert not self.db_interface.check_unpacking_lock(
self.test_fo.uid), 'add_object should release lock'
def test_is_firmware(self):
assert self.db_interface.is_firmware(self.test_firmware.uid) is False
self.db_interface_backend.add_firmware(self.test_firmware)
assert self.db_interface.is_firmware(self.test_firmware.uid) is True
def test_is_file_object(self):
assert self.db_interface.is_file_object(self.test_fo.uid) is False
self.db_interface_backend.add_file_object(self.test_fo)
assert self.db_interface.is_file_object(self.test_fo.uid) is True
class TestStorageDbInterfaceBackend(unittest.TestCase):
def setUp(self):
self._config = get_config_for_testing(TMP_DIR)
self.mongo_server = MongoMgr(config=self._config)
self.db_interface = MongoInterfaceCommon(config=self._config)
self.db_interface_backend = BackEndDbInterface(config=self._config)
self.test_firmware = create_test_firmware()
self.test_yara_match = {
'rule': 'OpenSSH',
'tags': [],
'namespace': 'default',
'strings': [(0, '$a', b'OpenSSH')],
'meta': {
'description': 'SSH library',
'website': 'http://www.openssh.com',
'open_source': True,
'software_name': 'OpenSSH'
},
'matches': True
}
self.test_fo = create_test_file_object()
def tearDown(self):
self.db_interface.client.drop_database(
self._config.get('data_storage', 'main_database'))
self.db_interface_backend.shutdown()
self.db_interface.shutdown()
self.mongo_server.shutdown()
TMP_DIR.cleanup()
gc.collect()
def _get_all_firmware_uids(self):
uid_list = []
tmp = self.db_interface.firmwares.find()
for item in tmp:
uid_list.append(item['_id'])
return uid_list
def test_add_firmware(self):
self.db_interface_backend.add_firmware(self.test_firmware)
self.assertGreater(len(self._get_all_firmware_uids()), 0,
'No entry added to DB')
recoverd_firmware_entry = self.db_interface_backend.firmwares.find_one(
)
self.assertAlmostEqual(recoverd_firmware_entry['submission_date'],
time(),
msg='submission time not set correctly',
delta=5.0)
def test_add_and_get_firmware(self):
self.db_interface_backend.add_firmware(self.test_firmware)
result_backend = self.db_interface_backend.get_firmware(
self.test_firmware.get_uid())
self.assertIsNotNone(result_backend.binary,
'binary not set in backend result')
result_common = self.db_interface.get_firmware(
self.test_firmware.get_uid())
self.assertIsNone(result_common.binary, 'binary set in common result')
self.assertEqual(result_common.size, 787,
'file size not correct in common')
self.assertIsInstance(result_common.tags, dict,
'tag field type not correct')
def test_add_and_get_file_object(self):
self.db_interface_backend.add_file_object(self.test_fo)
result_backend = self.db_interface_backend.get_file_object(
self.test_fo.get_uid())
self.assertIsNotNone(result_backend.binary,
'binary not set in backend result')
result_common = self.db_interface.get_file_object(
self.test_fo.get_uid())
self.assertIsNone(result_common.binary, 'binary set in common result')
self.assertEqual(result_common.size, 62,
'file size not correct in common')
def test_update_firmware(self):
first_dict = {
'stub_plugin': {
'result': 0
},
'other_plugin': {
'field': 'day'
}
}
second_dict = {'stub_plugin': {'result': 1}}
self.test_firmware.processed_analysis = first_dict
self.db_interface_backend.add_firmware(self.test_firmware)
self.assertEqual(
0,
self.db_interface.get_object(
self.test_firmware.get_uid()).processed_analysis['stub_plugin']
['result'])
self.test_firmware.processed_analysis = second_dict
self.db_interface_backend.add_firmware(self.test_firmware)
self.assertEqual(
1,
self.db_interface.get_object(
self.test_firmware.get_uid()).processed_analysis['stub_plugin']
['result'])
self.assertIn(
'other_plugin',
self.db_interface.get_object(
self.test_firmware.get_uid()).processed_analysis.keys())
def test_update_file_object(self):
first_dict = {'other_plugin': {'result': 0}}
second_dict = {'stub_plugin': {'result': 1}}
self.test_fo.processed_analysis = first_dict
self.test_fo.files_included = {'file a', 'file b'}
self.db_interface_backend.add_file_object(self.test_fo)
self.test_fo.processed_analysis = second_dict
self.test_fo.files_included = {'file b', 'file c'}
self.db_interface_backend.add_file_object(self.test_fo)
received_object = self.db_interface.get_object(self.test_fo.get_uid())
self.assertEqual(
0, received_object.processed_analysis['other_plugin']['result'])
self.assertEqual(
1, received_object.processed_analysis['stub_plugin']['result'])
self.assertEqual(3, len(received_object.files_included))
def test_add_and_get_object_including_comment(self):
comment, author, date, uid = 'this is a test comment!', 'author', '1473431685', self.test_fo.get_uid(
)
self.test_fo.comments.append({
'time': str(date),
'author': author,
'comment': comment
})
self.db_interface_backend.add_file_object(self.test_fo)
retrieved_comment = self.db_interface.get_object(uid).comments[0]
self.assertEqual(author, retrieved_comment['author'])
self.assertEqual(comment, retrieved_comment['comment'])
self.assertEqual(date, retrieved_comment['time'])
class TestStorageDbInterfaceBackend(unittest.TestCase):
@classmethod
def setUpClass(cls):
cls._config = get_config_for_testing(TMP_DIR)
cls.mongo_server = MongoMgr(config=cls._config)
def setUp(self):
self.db_interface = MongoInterfaceCommon(config=self._config)
self.db_interface_backend = BackEndDbInterface(config=self._config)
self.test_firmware = create_test_firmware()
self.test_yara_match = {
'rule': 'OpenSSH',
'tags': [],
'namespace': 'default',
'strings': [(0, '$a', b'OpenSSH')],
'meta': {
'description': 'SSH library',
'website': 'http://www.openssh.com',
'open_source': True,
'software_name': 'OpenSSH'
},
'matches': True
}
self.test_fo = create_test_file_object()
def tearDown(self):
self.db_interface.client.drop_database(
self._config.get('data_storage', 'main_database'))
self.db_interface_backend.shutdown()
self.db_interface.shutdown()
gc.collect()
@classmethod
def tearDownClass(cls):
cls.mongo_server.shutdown()
TMP_DIR.cleanup()
def _get_all_firmware_uids(self):
uid_list = []
tmp = self.db_interface.firmwares.find()
for item in tmp:
uid_list.append(item['_id'])
return uid_list
def test_add_firmware(self):
self.db_interface_backend.add_firmware(self.test_firmware)
self.assertGreater(len(self._get_all_firmware_uids()), 0,
'No entry added to DB')
recoverd_firmware_entry = self.db_interface_backend.firmwares.find_one(
)
self.assertAlmostEqual(recoverd_firmware_entry['submission_date'],
time(),
msg='submission time not set correctly',
delta=5.0)
def test_add_and_get_firmware(self):
self.db_interface_backend.add_firmware(self.test_firmware)
result_backend = self.db_interface_backend.get_firmware(
self.test_firmware.uid)
self.assertIsNotNone(result_backend.binary,
'binary not set in backend result')
result_common = self.db_interface.get_firmware(self.test_firmware.uid)
self.assertIsNone(result_common.binary, 'binary set in common result')
self.assertEqual(result_common.size, 787,
'file size not correct in common')
self.assertIsInstance(result_common.tags, dict,
'tag field type not correct')
def test_add_and_get_file_object(self):
self.db_interface_backend.add_file_object(self.test_fo)
result_backend = self.db_interface_backend.get_file_object(
self.test_fo.uid)
self.assertIsNotNone(result_backend.binary,
'binary not set in backend result')
result_common = self.db_interface.get_file_object(self.test_fo.uid)
self.assertIsNone(result_common.binary, 'binary set in common result')
self.assertEqual(result_common.size, 62,
'file size not correct in common')
def test_update_firmware(self):
first_dict = {
'stub_plugin': {
'result': 0
},
'other_plugin': {
'field': 'day'
}
}
second_dict = {'stub_plugin': {'result': 1}}
self.test_firmware.processed_analysis = first_dict
self.db_interface_backend.add_firmware(self.test_firmware)
self.assertEqual(
0,
self.db_interface.get_object(
self.test_firmware.uid).processed_analysis['stub_plugin']
['result'])
self.test_firmware.processed_analysis = second_dict
self.db_interface_backend.add_firmware(self.test_firmware)
self.assertEqual(
1,
self.db_interface.get_object(
self.test_firmware.uid).processed_analysis['stub_plugin']
['result'])
self.assertIn(
'other_plugin',
self.db_interface.get_object(
self.test_firmware.uid).processed_analysis.keys())
def test_update_file_object(self):
first_dict = {'other_plugin': {'result': 0}}
second_dict = {'stub_plugin': {'result': 1}}
self.test_fo.processed_analysis = first_dict
self.test_fo.files_included = {'file a', 'file b'}
self.db_interface_backend.add_file_object(self.test_fo)
self.test_fo.processed_analysis = second_dict
self.test_fo.files_included = {'file b', 'file c'}
self.db_interface_backend.add_file_object(self.test_fo)
received_object = self.db_interface.get_object(self.test_fo.uid)
self.assertEqual(
0, received_object.processed_analysis['other_plugin']['result'])
self.assertEqual(
1, received_object.processed_analysis['stub_plugin']['result'])
self.assertEqual(3, len(received_object.files_included))
def test_add_and_get_object_including_comment(self):
comment, author, date, uid = 'this is a test comment!', 'author', '1473431685', self.test_fo.uid
self.test_fo.comments.append({
'time': str(date),
'author': author,
'comment': comment
})
self.db_interface_backend.add_file_object(self.test_fo)
retrieved_comment = self.db_interface.get_object(uid).comments[0]
self.assertEqual(author, retrieved_comment['author'])
self.assertEqual(comment, retrieved_comment['comment'])
self.assertEqual(date, retrieved_comment['time'])
def test_update_analysis_tag_no_firmware(self):
self.db_interface_backend.add_file_object(self.test_fo)
tag = {'value': 'yay', 'color': 'default', 'propagate': True}
self.db_interface_backend.update_analysis_tags(self.test_fo.uid,
plugin_name='dummy',
tag_name='some_tag',
tag=tag)
processed_fo = self.db_interface_backend.get_object(self.test_fo.uid)
assert not processed_fo.analysis_tags
def test_update_analysis_tag_uid_not_found(self):
self.db_interface_backend.update_analysis_tags(self.test_fo.uid,
plugin_name='dummy',
tag_name='some_tag',
tag='should not matter')
assert not self.db_interface_backend.get_object(self.test_fo.uid)
def test_update_analysis_tag_bad_tag(self):
self.db_interface_backend.add_firmware(self.test_firmware)
self.db_interface_backend.update_analysis_tags(self.test_firmware.uid,
plugin_name='dummy',
tag_name='some_tag',
tag='bad_tag')
processed_firmware = self.db_interface_backend.get_object(
self.test_firmware.uid)
assert not processed_firmware.analysis_tags
def test_update_analysis_tag_success(self):
self.db_interface_backend.add_firmware(self.test_firmware)
tag = {'value': 'yay', 'color': 'default', 'propagate': True}
self.db_interface_backend.update_analysis_tags(self.test_firmware.uid,
plugin_name='dummy',
tag_name='some_tag',
tag=tag)
processed_firmware = self.db_interface_backend.get_object(
self.test_firmware.uid)
assert processed_firmware.analysis_tags
assert processed_firmware.analysis_tags['dummy']['some_tag'] == tag
def test_add_analysis_firmware(self):
self.db_interface_backend.add_object(self.test_firmware)
before = self.db_interface_backend.get_object(
self.test_firmware.uid).processed_analysis
self.test_firmware.processed_analysis['foo'] = {'bar': 5}
self.db_interface_backend.add_analysis(self.test_firmware)
after = self.db_interface_backend.get_object(
self.test_firmware.uid).processed_analysis
assert before != after
assert 'foo' not in before
assert 'foo' in after
assert after['foo'] == {'bar': 5}
def test_add_analysis_file_object(self):
self.db_interface_backend.add_object(self.test_fo)
self.test_fo.processed_analysis['foo'] = {'bar': 5}
self.db_interface_backend.add_analysis(self.test_fo)
analysis = self.db_interface_backend.get_object(
self.test_fo.uid).processed_analysis
assert 'foo' in analysis
assert analysis['foo'] == {'bar': 5}
def test_crash_add_analysis(self):
with self.assertRaises(RuntimeError):
self.db_interface_backend.add_analysis(dict())
with self.assertRaises(AttributeError):
self.db_interface_backend._update_analysis(dict(), 'dummy', dict())