File size: 5,255 Bytes
6aa6c12 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 | """Offline source-version regressions; bundles are temporary data, never executed."""
from copy import deepcopy
import hashlib
import json
from pathlib import Path
import tempfile
import unittest
from benchkit.audits.closed_run import ClosedFiles, audit_model_source
from benchkit.model_profiles import capture_policy_source, create_policy, verify_policy_source
from benchkit.source_snapshot import inventory_digest
PREFIX = "AgentPolicies/gpt6_astra/"
V2_FILES = {PREFIX + name for name in (
"methods/codex_planned_v2.py", "configs/codex_planned_v2_config.json",
"prompts/codex_planned_v2_prompt.txt")}
V3_FILES = {PREFIX + name for name in (
"methods/codex_planned_v3.py", "configs/codex_planned_v3_config.json",
"prompts/codex_planned_v3_prompt.txt")}
def sha(payload):
return hashlib.sha256(payload).hexdigest()
def write_json(path, value):
path.write_text(json.dumps(value, sort_keys=True) + "\n", encoding="utf-8")
class ModelSourceVersionsTests(unittest.TestCase):
def capture(self, method):
temporary = tempfile.TemporaryDirectory()
self.addCleanup(temporary.cleanup)
root = Path(temporary.name)
policy = create_policy("gpt6_astra", control_method=method)
snapshot = capture_policy_source(root, policy)
self.assertEqual(snapshot["schema_version"], "starvla-rsi.model-source/v8")
return root, policy.descriptor.to_dict(), snapshot
def rebind_fixture(self, root, descriptor, snapshot, version, removed=()):
"""Build historical-shaped data without calling the producer's allowlist.
All rebindings stay in this test's temporary directory. This proves schema
compatibility, not historical runtime or provider attestation.
"""
source = root / "model_source/files"
index_path = root / "model_source/index.json"
index = json.loads(index_path.read_text())
dependencies_path = source / PREFIX / "dependencies.json"
dependencies = json.loads(dependencies_path.read_text())
for relative in removed:
(source / relative).unlink()
dependencies["files"] = [name for name in dependencies["files"] if name not in removed]
write_json(dependencies_path, dependencies)
rows = []
for row in index["files"]:
if row["path"] not in removed:
payload = (source / row["path"]).read_bytes()
rows.append(dict(path=row["path"], size_bytes=len(payload), sha256=sha(payload)))
identity = deepcopy(index["profile"])
identity["dependencies_sha256"] = sha(dependencies_path.read_bytes())
identity["source_inventory_sha256"] = inventory_digest(
[row for row in rows if row["path"] != "campaign_prompt.txt"])
schema = f"starvla-rsi.model-source/v{version}"
index.update(schema_version=schema, profile=identity, files=rows, file_count=len(rows),
total_bytes=sum(row["size_bytes"] for row in rows), inventory_sha256=inventory_digest(rows))
write_json(index_path, index)
snapshot.update({key: index[key] for key in (
"schema_version", "file_count", "total_bytes", "inventory_sha256")})
snapshot["index_sha256"] = sha(index_path.read_bytes())
descriptor["parameters"]["model_profile"] = identity
def assert_valid(self, root, descriptor, snapshot):
verify_policy_source(root, descriptor, snapshot)
self.assertGreater(audit_model_source(ClosedFiles(root),
{"policy": descriptor, "model_source": snapshot}), 0)
def assert_invalid(self, root, descriptor, snapshot, message):
with self.assertRaisesRegex(ValueError, message):
verify_policy_source(root, descriptor, snapshot)
with self.assertRaises(ValueError):
audit_model_source(ClosedFiles(root), {"policy": descriptor, "model_source": snapshot})
def test_v8_captures_and_verifies_v3(self):
self.assert_valid(*self.capture("codex-planned/v3"))
def test_historical_v7_inventory_verifies_v2_without_v3_files(self):
root, descriptor, snapshot = self.capture("codex-planned/v2")
self.rebind_fixture(root, descriptor, snapshot, 7, V3_FILES)
self.assert_valid(root, descriptor, snapshot)
def test_historical_v6_inventory_still_verifies_direct_v3(self):
root, descriptor, snapshot = self.capture("codex-direct/v3")
self.rebind_fixture(root, descriptor, snapshot, 6, V2_FILES | V3_FILES)
self.assert_valid(root, descriptor, snapshot)
def test_v7_rejects_v3_method_even_with_consistent_v7_inventory(self):
root, descriptor, snapshot = self.capture("codex-planned/v3")
self.rebind_fixture(root, descriptor, snapshot, 7, V3_FILES)
self.assert_invalid(root, descriptor, snapshot, "unsupported or mismatched versioned model method")
def test_v7_rejects_added_v3_files_even_when_all_hashes_match(self):
root, descriptor, snapshot = self.capture("codex-planned/v2")
self.rebind_fixture(root, descriptor, snapshot, 7)
self.assert_invalid(root, descriptor, snapshot, "model source index inventory or identity changed")
if __name__ == "__main__":
unittest.main()
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