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upstream_computation_test.py
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# Copyright 2025 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Upstream computation tests."""
import datetime
import os
import unittest
import logging
from google.cloud import ndb
import json
import osv
import upstream_computation
from osv import tests
TEST_DATA_DIR = os.path.join(
os.path.dirname(os.path.abspath(__file__)), 'testdata')
class UpstreamTest(unittest.TestCase, tests.ExpectationTest(TEST_DATA_DIR)):
"""Upstream tests."""
def setUp(self):
self.maxDiff = None # pylint: disable=invalid-name
tests.reset_emulator()
osv.Bug(
id='CVE-1',
db_id='CVE-1',
status=1,
upstream_raw=[],
source='test',
public=True,
import_last_modified=datetime.datetime(2023, 1, 1),
).put()
osv.Bug(
id='CVE-2',
db_id='CVE-2',
status=1,
upstream_raw=['CVE-1'],
source='test',
public=True,
import_last_modified=datetime.datetime(2023, 1, 1),
).put()
osv.Bug(
id='CVE-3',
db_id='CVE-3',
status=1,
upstream_raw=['CVE-1', 'CVE-2'],
source='test',
public=True,
import_last_modified=datetime.datetime(2023, 1, 1),
).put()
osv.Bug(
id='CVE-2023-21400',
db_id='CVE-2023-21400',
status=1,
upstream_raw=[],
source='test',
public=True,
import_last_modified=datetime.datetime(2025, 1, 14),
).put()
osv.Bug(
id='UBUNTU-CVE-2023-21400',
db_id='UBUNTU-CVE-2023-21400',
status=1,
upstream_raw=['CVE-2023-21400'],
source='test',
public=True,
import_last_modified=datetime.datetime(2025, 1, 14),
).put()
osv.Bug(
id='UBUNTU-CVE-2023-4004',
db_id='UBUNTU-CVE-2023-4004',
status=1,
upstream_raw=['CVE-2023-4004'],
source='test',
public=True,
import_last_modified=datetime.datetime(2025, 2, 10),
).put()
osv.Bug(
id='UBUNTU-CVE-2023-4015',
db_id='UBUNTU-CVE-2023-4015',
status=1,
upstream_raw=['CVE-2023-4015'],
source='test',
public=True,
import_last_modified=datetime.datetime(2025, 2, 10),
).put()
osv.Bug(
id='USN-6315-1',
db_id='USN-6315-1',
status=1,
upstream_raw=[
"CVE-2022-40982", "CVE-2023-20593", "CVE-2023-21400",
"CVE-2023-3609", "CVE-2023-3610", "CVE-2023-3611", "CVE-2023-3776",
"CVE-2023-3777", "CVE-2023-4004", "CVE-2023-4015",
"UBUNTU-CVE-2022-40982", "UBUNTU-CVE-2023-20593",
"UBUNTU-CVE-2023-21400", "UBUNTU-CVE-2023-3609",
"UBUNTU-CVE-2023-3610", "UBUNTU-CVE-2023-3611",
"UBUNTU-CVE-2023-3776", "UBUNTU-CVE-2023-3777",
"UBUNTU-CVE-2023-4004", "UBUNTU-CVE-2023-4015"
],
source='test',
public=True,
import_last_modified=datetime.datetime(2023, 8, 29),
).put()
osv.Bug(
id='USN-6325-1',
db_id='USN-6325-1',
status=1,
upstream_raw=[
"CVE-2022-40982", "CVE-2023-20593", "CVE-2023-21400",
"CVE-2023-3609", "CVE-2023-3610", "CVE-2023-3611", "CVE-2023-3776",
"CVE-2023-3777", "CVE-2023-4004", "CVE-2023-4015",
"UBUNTU-CVE-2022-40982", "UBUNTU-CVE-2023-20593",
"UBUNTU-CVE-2023-21400", "UBUNTU-CVE-2023-3609",
"UBUNTU-CVE-2023-3610", "UBUNTU-CVE-2023-3611",
"UBUNTU-CVE-2023-3776", "UBUNTU-CVE-2023-3777",
"UBUNTU-CVE-2023-4004", "UBUNTU-CVE-2023-4015"
],
source='test',
public=True,
import_last_modified=datetime.datetime(2023, 8, 31),
).put()
osv.Bug(
id='USN-6330-1',
db_id='USN-6330-1',
status=1,
upstream_raw=[
"CVE-2022-40982", "CVE-2023-20593", "CVE-2023-21400",
"CVE-2023-3609", "CVE-2023-3610", "CVE-2023-3611", "CVE-2023-3776",
"CVE-2023-3777", "CVE-2023-4004", "CVE-2023-4015",
"UBUNTU-CVE-2022-40982", "UBUNTU-CVE-2023-20593",
"UBUNTU-CVE-2023-21400", "UBUNTU-CVE-2023-3609",
"UBUNTU-CVE-2023-3610", "UBUNTU-CVE-2023-3611",
"UBUNTU-CVE-2023-3776", "UBUNTU-CVE-2023-3777",
"UBUNTU-CVE-2023-4004", "UBUNTU-CVE-2023-4015"
],
source='test',
public=True,
import_last_modified=datetime.datetime(2023, 8, 31),
).put()
osv.Bug(
id='USN-6332-1',
db_id='USN-6332-1',
status=1,
upstream_raw=[
"CVE-2022-40982", "CVE-2022-4269", "CVE-2022-48502",
"CVE-2023-0597", "CVE-2023-1611", "CVE-2023-1855", "CVE-2023-1990",
"CVE-2023-2002", "CVE-2023-20593", "CVE-2023-2124",
"CVE-2023-21400", "CVE-2023-2163", "CVE-2023-2194", "CVE-2023-2235",
"CVE-2023-2269", "CVE-2023-23004", "CVE-2023-28466",
"CVE-2023-30772", "CVE-2023-3141", "CVE-2023-32248",
"CVE-2023-3268", "CVE-2023-33203", "CVE-2023-33288",
"CVE-2023-35823", "CVE-2023-35824", "CVE-2023-35828",
"CVE-2023-35829", "CVE-2023-3609", "CVE-2023-3610", "CVE-2023-3611",
"CVE-2023-3776", "CVE-2023-3777", "CVE-2023-4004", "CVE-2023-4015",
"UBUNTU-CVE-2022-40982", "UBUNTU-CVE-2022-4269",
"UBUNTU-CVE-2022-48502", "UBUNTU-CVE-2023-0597",
"UBUNTU-CVE-2023-1611", "UBUNTU-CVE-2023-1855",
"UBUNTU-CVE-2023-1990", "UBUNTU-CVE-2023-2002",
"UBUNTU-CVE-2023-20593", "UBUNTU-CVE-2023-2124",
"UBUNTU-CVE-2023-21400", "UBUNTU-CVE-2023-2163",
"UBUNTU-CVE-2023-2194", "UBUNTU-CVE-2023-2235",
"UBUNTU-CVE-2023-2269", "UBUNTU-CVE-2023-23004",
"UBUNTU-CVE-2023-28466", "UBUNTU-CVE-2023-30772",
"UBUNTU-CVE-2023-3141", "UBUNTU-CVE-2023-32248",
"UBUNTU-CVE-2023-3268", "UBUNTU-CVE-2023-33203",
"UBUNTU-CVE-2023-33288", "UBUNTU-CVE-2023-35823",
"UBUNTU-CVE-2023-35824", "UBUNTU-CVE-2023-35828",
"UBUNTU-CVE-2023-35829", "UBUNTU-CVE-2023-3609",
"UBUNTU-CVE-2023-3610", "UBUNTU-CVE-2023-3611",
"UBUNTU-CVE-2023-3776", "UBUNTU-CVE-2023-3777",
"UBUNTU-CVE-2023-4004", "UBUNTU-CVE-2023-4015"
],
source='test',
public=True,
import_last_modified=datetime.datetime(2023, 8, 31),
).put()
osv.Bug(
id='USN-6348-1',
db_id='USN-6348-1',
status=1,
upstream_raw=[
"CVE-2022-40982", "CVE-2023-20593", "CVE-2023-21400",
"CVE-2023-3609", "CVE-2023-3610", "CVE-2023-3611", "CVE-2023-3776",
"CVE-2023-3777", "CVE-2023-4004", "CVE-2023-4015",
"UBUNTU-CVE-2022-40982", "UBUNTU-CVE-2023-20593",
"UBUNTU-CVE-2023-21400", "UBUNTU-CVE-2023-3609",
"UBUNTU-CVE-2023-3610", "UBUNTU-CVE-2023-3611",
"UBUNTU-CVE-2023-3776", "UBUNTU-CVE-2023-3777",
"UBUNTU-CVE-2023-4004", "UBUNTU-CVE-2023-4015"
],
source='test',
public=True,
import_last_modified=datetime.datetime(2023, 9, 6),
).put()
osv.Bug(
id='USN-7234-1',
db_id='USN-7234-1',
status=1,
upstream_raw=[
"CVE-2023-21400", "CVE-2024-40967", "CVE-2024-53103",
"CVE-2024-53141", "CVE-2024-53164", "UBUNTU-CVE-2023-21400",
"UBUNTU-CVE-2024-40967", "UBUNTU-CVE-2024-53103",
"UBUNTU-CVE-2024-53141", "UBUNTU-CVE-2024-53164"
],
source='test',
public=True,
import_last_modified=datetime.datetime(2023, 8, 31),
).put()
osv.Bug(
id='USN-7234-3',
db_id='USN-7234-3',
status=1,
upstream_raw=[
"CVE-2023-21400", "CVE-2024-40967", "CVE-2024-53103",
"CVE-2024-53141", "CVE-2024-53164", "UBUNTU-CVE-2023-21400",
"UBUNTU-CVE-2024-40967", "UBUNTU-CVE-2024-53103",
"UBUNTU-CVE-2024-53141", "UBUNTU-CVE-2024-53164"
],
source='test',
public=True,
import_last_modified=datetime.datetime(2025, 2, 4),
).put()
osv.Bug(
id='USN-7234-2',
db_id='USN-7234-2',
status=1,
upstream_raw=[
"CVE-2023-21400", "CVE-2024-40967", "CVE-2024-53103",
"CVE-2024-53141", "CVE-2024-53164", "UBUNTU-CVE-2023-21400",
"UBUNTU-CVE-2024-40967", "UBUNTU-CVE-2024-53103",
"UBUNTU-CVE-2024-53141", "UBUNTU-CVE-2024-53164"
],
source='test',
public=True,
import_last_modified=datetime.datetime(2023, 8, 31),
).put()
osv.Bug(
id='DLA-3623-1',
db_id='DLA-3623-1',
status=1,
upstream_raw=[
"CVE-2022-39189", "CVE-2022-4269", "CVE-2023-1206", "CVE-2023-1380",
"CVE-2023-2002", "CVE-2023-2007", "CVE-2023-20588", "CVE-2023-2124",
"CVE-2023-21255", "CVE-2023-21400", "CVE-2023-2269",
"CVE-2023-2898", "CVE-2023-3090", "CVE-2023-31084", "CVE-2023-3111",
"CVE-2023-3141", "CVE-2023-3212", "CVE-2023-3268", "CVE-2023-3338",
"CVE-2023-3389", "CVE-2023-34256", "CVE-2023-34319",
"CVE-2023-35788", "CVE-2023-35823", "CVE-2023-35824",
"CVE-2023-3609", "CVE-2023-3611", "CVE-2023-3772", "CVE-2023-3773",
"CVE-2023-3776", "CVE-2023-3863", "CVE-2023-4004", "CVE-2023-40283",
"CVE-2023-4132", "CVE-2023-4147", "CVE-2023-4194", "CVE-2023-4244",
"CVE-2023-4273", "CVE-2023-42753", "CVE-2023-42755",
"CVE-2023-42756", "CVE-2023-4622", "CVE-2023-4623", "CVE-2023-4921"
],
source='test',
public=True,
import_last_modified=datetime.datetime(2024, 1, 9),
).put()
osv.Bug(
id='SUSE-SU-2023:3313-1',
db_id='SUSE-SU-2023:3313-1',
status=1,
upstream_raw=[
"CVE-2022-40982", "CVE-2023-0459", "CVE-2023-20569",
"CVE-2023-21400", "CVE-2023-2156", "CVE-2023-2166",
"CVE-2023-31083", "CVE-2023-3268", "CVE-2023-3567", "CVE-2023-3609",
"CVE-2023-3611", "CVE-2023-3776", "CVE-2023-4004"
],
source='test',
public=True,
import_last_modified=datetime.datetime(2023, 8, 14),
).put()
def test_compute_upstream_basic(self):
"""Tests basic case.
CVE-1-> CVE-2 -> CVE-3
Upstream of CVE-3 is CVE-2 & CVE-1
"""
bugs_query = osv.Bug.query(
ndb.OR(osv.Bug.upstream_raw > '', osv.Bug.upstream_raw < ''))
bugs = {bug.db_id: bug for bug in bugs_query.iter()}
bug_ids = upstream_computation.compute_upstream(bugs.get('CVE-3'), bugs)
self.assertEqual(['CVE-1', 'CVE-2'], bug_ids)
def test_compute_upstream_example(self):
"""Test real world case with multiple levels"""
bugs_query = osv.Bug.query(
ndb.OR(osv.Bug.upstream_raw > '', osv.Bug.upstream_raw < ''))
bugs = {bug.db_id: bug for bug in bugs_query.iter()}
bug_ids = upstream_computation.compute_upstream(
bugs.get('USN-7234-3'), bugs)
self.assertEqual([
"CVE-2023-21400", "CVE-2024-40967", "CVE-2024-53103", "CVE-2024-53141",
"CVE-2024-53164", "UBUNTU-CVE-2023-21400", "UBUNTU-CVE-2024-40967",
"UBUNTU-CVE-2024-53103", "UBUNTU-CVE-2024-53141",
"UBUNTU-CVE-2024-53164"
], bug_ids)
def test_incomplete_compute_upstream(self):
""" Test when incomplete upstream information is given
VULN-1 -> VULN-2, VULN-3 -> VULN-4
"""
osv.Bug(
id='VULN-1',
db_id='VULN-1',
status=1,
upstream_raw=[],
source='test',
public=True,
import_last_modified=datetime.datetime(2023, 8, 14),
).put()
osv.Bug(
id='VULN-2',
db_id='VULN-2',
status=1,
upstream_raw=['VULN-1'],
source='test',
public=True,
import_last_modified=datetime.datetime(2023, 8, 14),
).put()
osv.Bug(
id='VULN-3',
db_id='VULN-3',
status=1,
upstream_raw=['VULN-1'],
source='test',
public=True,
import_last_modified=datetime.datetime(2023, 8, 14),
).put()
osv.Bug(
id='VULN-4',
db_id='VULN-4',
status=1,
upstream_raw=['VULN-3'],
source='test',
public=True,
import_last_modified=datetime.datetime(2023, 8, 14),
).put()
bugs_query = osv.Bug.query(
ndb.OR(osv.Bug.upstream_raw > '', osv.Bug.upstream_raw < ''))
bugs = {bug.db_id: bug for bug in bugs_query.iter()}
bug_ids = upstream_computation.compute_upstream(bugs.get('VULN-4'), bugs)
self.assertEqual(['VULN-1', 'VULN-3'], bug_ids)
def test_upstream_group_basic(self):
"""Test the upstream group get by db_id"""
upstream_computation.main()
osv.UpstreamGroup(
db_id='CVE-3',
upstream_ids=['CVE-1', 'CVE-2'],
last_modified=datetime.datetime(2024, 1, 1),
).put()
bug_ids = osv.UpstreamGroup.query(
osv.UpstreamGroup.db_id == 'CVE-3').get().upstream_ids
self.assertEqual(['CVE-1', 'CVE-2'], bug_ids)
def test_upstream_group_empty(self):
upstream_computation.main()
bug_ids = osv.UpstreamGroup.query(
osv.UpstreamGroup.db_id == 'CVE-1').get().upstream_ids
self.assertEqual([], bug_ids)
def test_upstream_group_complex(self):
"""Testing more complex, realworld case"""
upstream_ids = [
"CVE-2023-21400", "CVE-2024-40967", "CVE-2024-53103", "CVE-2024-53141",
"CVE-2024-53164", "UBUNTU-CVE-2023-21400", "UBUNTU-CVE-2024-40967",
"UBUNTU-CVE-2024-53103", "UBUNTU-CVE-2024-53141",
"UBUNTU-CVE-2024-53164"
]
upstream_computation.main()
bug_ids = osv.UpstreamGroup.query(
osv.UpstreamGroup.db_id == 'USN-7234-3').get().upstream_ids
self.assertEqual(upstream_ids, bug_ids)
def test_upstream_hierarchy_computation(self):
upstream_computation.main()
bug_ids = osv.UpstreamGroup.query(
osv.UpstreamGroup.db_id == 'CVE-3').get().upstream_hierarchy
self.assertEqual('{"CVE-3": ["CVE-2"], "CVE-2": ["CVE-1"]}', bug_ids)
def test_upstream_hierarchy_computation_complex(self):
"""Testing hierarchy computation for more complex, realworld case"""
upstream_computation.main()
bug_ids = osv.UpstreamGroup.query(
osv.UpstreamGroup.db_id == 'USN-7234-3').get().upstream_hierarchy
bug_ids = json.loads(bug_ids)
expected = {
'USN-7234-3': [
'CVE-2024-40967', 'CVE-2024-53103', 'CVE-2024-53141',
'CVE-2024-53164', 'UBUNTU-CVE-2023-21400', 'UBUNTU-CVE-2024-40967',
'UBUNTU-CVE-2024-53103', 'UBUNTU-CVE-2024-53141',
'UBUNTU-CVE-2024-53164'
],
'UBUNTU-CVE-2023-21400': ['CVE-2023-21400']
}
self.assertEqual(expected, bug_ids)
if __name__ == '__main__':
ds_emulator = tests.start_datastore_emulator()
try:
with ndb.Client().context() as context:
context.set_memcache_policy(False)
context.set_cache_policy(False)
logging.getLogger("UpstreamTest.test_compute_upstream").setLevel(
logging.DEBUG)
unittest.main()
finally:
tests.stop_emulator()