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chimera-gfx-Public/tests/test_phase10av_launch_context_canary.py
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Python

#!/usr/bin/env python3
# SPDX-License-Identifier: GPL-3.0-or-later
"""Host tests for the target-free Phase-1.0AV canary contract."""
from __future__ import annotations
import argparse
from dataclasses import replace
from pathlib import Path
import sys
import unittest
PARSER = argparse.ArgumentParser()
PARSER.add_argument("--root", type=Path, required=True)
ROOT = PARSER.parse_args().root
sys.path.insert(0, str(ROOT / "tools"))
from phase10av_launch_context_canary import * # noqa: E402,F403
def plan() -> CanaryPairPlan:
return CanaryPairPlan(
PHASE, FIRMWARE, PROTOCOL_MAGIC, "a" * 64,
(CanaryArm(RAW_ELFLDR, "b" * 64, "CHIMERA_AV_RAW_0001", "c" * 64),
CanaryArm(BIGAPP_CANDIDATE, "d" * 64,
"CHIMERA_AV_BIGAPP_01", "e" * 64)),
True, False, False, False, False, False, False, False, False, False)
def observation(arm: CanaryArm, submit_result: int) -> CanaryObservation:
return CanaryObservation(
arm.kind, arm.launcher_sha256, "a" * 64, arm.run_id, PROTOCOL_MAGIC,
True, -1, 20, True, submit_result, 0, 10, True, 30, True, False, 0, 0)
class LaunchContextCanaryTests(unittest.TestCase):
def test_complete_plan_and_equal_results(self) -> None:
value = plan()
validate_plan(value)
result = classify_pair(
value, tuple(observation(arm, -1) for arm in value.arms))
self.assertTrue(result.pair_comparable)
self.assertEqual(result.status, "NO_SUBMIT_RETURN_DIFFERENCE")
self.assertFalse(result.root_cause_proven or result.visible_output_proven)
def test_changed_return_is_candidate_only(self) -> None:
value = plan()
result = classify_pair(
value, (observation(value.arms[0], -1),
observation(value.arms[1], 0)))
self.assertTrue(result.launch_context_candidate)
self.assertFalse(result.root_cause_proven)
self.assertFalse(result.visible_output_proven)
self.assertFalse(result.firmware_behavior_proven)
self.assertFalse(result.device_action_authorized)
def test_plan_requires_distinct_arms_and_approvals(self) -> None:
value = plan()
for field, replacement in (
("launcher_sha256", value.arms[0].launcher_sha256),
("run_id", value.arms[0].run_id),
("approval_sha256", value.arms[0].approval_sha256)):
arms = (value.arms[0], replace(value.arms[1], **{field: replacement}))
with self.subTest(field=field), self.assertRaises(CanaryContractError):
validate_plan(replace(value, arms=arms))
def test_plan_rejects_every_authority_and_retry(self) -> None:
for field in ("automatic_retry", "reconnect", "resume", "installation",
"autoload", "device_write_authorized",
"app_termination_authorized", "result_reception_authorized",
"activation_authorized"):
with self.subTest(field=field), self.assertRaises(CanaryContractError):
validate_plan(replace(plan(), **{field: True}))
def test_missing_or_early_terminal_is_incomplete(self) -> None:
value = plan()
baseline = observation(value.arms[0], -1)
for candidate in (
replace(observation(value.arms[1], 0), terminal_seen=False),
replace(observation(value.arms[1], 0), cleanup_complete=False),
replace(observation(value.arms[1], 0), terminal_sequence=20),
replace(observation(value.arms[1], 0), submit_sequence=20),
replace(observation(value.arms[1], 0), d04_seen=False),
replace(observation(value.arms[1], 0), submit_seen=False)):
with self.subTest(candidate=candidate):
result = classify_pair(value, (baseline, candidate))
self.assertEqual(result.status, "INCOMPLETE_NO_CAUSAL_COMPARISON")
def test_identity_drift_is_hard_failure(self) -> None:
value = plan()
baseline = observation(value.arms[0], -1)
candidate = observation(value.arms[1], 0)
for field, replacement in (("payload_sha256", "f" * 64),
("run_id", "CHIMERA_AV_WRONG_001"),
("protocol_magic", "CHD10OLD"),
("launcher_sha256", "f" * 64)):
with self.subTest(field=field), self.assertRaises(CanaryContractError):
classify_pair(value, (baseline, replace(candidate, **{field: replacement})))
def test_forbidden_result_claims_are_hard_failure(self) -> None:
value = plan()
baseline = observation(value.arms[0], -1)
candidate = observation(value.arms[1], 0)
for field, replacement in (("retry_count", 1),
("persistent_write_count", 1),
("visible_output_observed", True)):
with self.subTest(field=field), self.assertRaises(CanaryContractError):
classify_pair(value, (baseline, replace(candidate, **{field: replacement})))
if __name__ == "__main__":
unittest.main(argv=[__file__])