| """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() |
|
|
