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5e5d6c5 | 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 | from __future__ import annotations
import copy
import hashlib
import pickle
import sqlite3
from concurrent.futures import ThreadPoolExecutor
from dataclasses import replace
from pathlib import Path
import pytest
from ctx.engine.content import PreparedCapabilityContent
from ctx.engine.engine import _PromptContextReceiptPermit
from ctx.engine.protocol import Transition
from ctx.engine.replay import ReplayInput
from ctx.runtime.prepared_query_delivery import (
PreparedQueryDelivery,
PreparedQueryDeliveryError,
_create_prepared_query_delivery,
accept_prepared_query_delivery,
)
from ctx.runtime.query_decision import QueryHostDescriptor
from ctx.runtime.query_session import prepare_query_delivery
def _delivery(tmp_path: Path) -> PreparedQueryDelivery:
result = prepare_query_delivery(
host=QueryHostDescriptor.codex("activate"),
task="Fix the Python tests",
language="python",
session_id="prepared-delivery-test",
workspace=tmp_path,
journal_path=tmp_path / "engine.sqlite3",
benefit_audit_path=tmp_path / "benefit.sqlite3",
host_invocation_digest=hashlib.sha256(b"host-invocation").hexdigest(),
)
assert isinstance(result, PreparedQueryDelivery)
return result
def test_prepared_query_delivery_accepts_a_defensive_exact_copy(tmp_path: Path) -> None:
original = _delivery(tmp_path)
accepted = accept_prepared_query_delivery(
original,
host=QueryHostDescriptor.codex("activate"),
)
assert accepted is not original
assert accepted.delivery_digest == original.delivery_digest
assert accepted.context == original.context
assert repr(accepted) == (
f"PreparedQueryDelivery(delivery_digest={accepted.delivery_digest!r})"
)
assert "# ctx Python Testing" not in repr(accepted)
with pytest.raises(PreparedQueryDeliveryError, match="already accepted"):
accept_prepared_query_delivery(
original,
host=QueryHostDescriptor.codex("activate"),
)
with pytest.raises(PreparedQueryDeliveryError, match="already accepted"):
accept_prepared_query_delivery(
accepted,
host=QueryHostDescriptor.codex("activate"),
)
@pytest.mark.parametrize(
"host",
[
QueryHostDescriptor.claude_code("activate"),
QueryHostDescriptor.codex("experiment"),
QueryHostDescriptor.codex(),
],
)
def test_prepared_query_delivery_rejects_wrong_host_or_intent(
tmp_path: Path,
host: QueryHostDescriptor,
) -> None:
delivery = _delivery(tmp_path)
with pytest.raises(PreparedQueryDeliveryError):
accept_prepared_query_delivery(delivery, host=host)
@pytest.mark.parametrize(
("field_name", "replacement"),
[
("context", "substituted material"),
("context_sha256", hashlib.sha256(b"substituted").hexdigest()),
("final_journal_record_digest", hashlib.sha256(b"other journal").hexdigest()),
("action_content_digest", hashlib.sha256(b"other action").hexdigest()),
],
)
def test_prepared_query_delivery_rejects_substitution(
tmp_path: Path,
field_name: str,
replacement: str,
) -> None:
original = _delivery(tmp_path)
with pytest.raises(PreparedQueryDeliveryError):
replace(original, **{field_name: replacement}) # type: ignore[arg-type]
def test_prepared_query_delivery_rejects_copy_and_serialization(tmp_path: Path) -> None:
delivery = _delivery(tmp_path)
with pytest.raises(TypeError):
copy.copy(delivery)
with pytest.raises(TypeError):
copy.deepcopy(delivery)
with pytest.raises(TypeError):
pickle.dumps(delivery)
def test_prepared_query_delivery_rejects_a_forged_engine_receipt_permit(
tmp_path: Path,
) -> None:
delivery = _delivery(tmp_path)
with sqlite3.connect(tmp_path / "engine.sqlite3") as connection:
rev2 = Transition.from_json(
connection.execute(
"SELECT transition_json FROM engine_journal WHERE revision = 2"
).fetchone()[0]
)
replay3 = ReplayInput.from_json(
connection.execute(
"SELECT replay_json FROM engine_journal WHERE revision = 3"
).fetchone()[0]
)
action = next(item for item in rev2.actions if item.kind == "PreparePromptContext")
metadata = delivery.capabilities[0]
raw_content = delivery.context.split(">\n", 1)[1].rsplit(
"\n</ctx-capability>",
1,
)[0]
content = PreparedCapabilityContent(
capability_id=metadata.capability_id,
source_digest=metadata.source_digest,
catalog_snapshot_digest=action.catalog_snapshot_id or "",
action_id=action.action_id,
lease_id=action.lease_id or "",
content=raw_content,
content_sha256=metadata.content_sha256,
content_bytes=metadata.content_bytes,
estimated_tokens=metadata.estimated_tokens,
)
forged_permit = object.__new__(_PromptContextReceiptPermit)
with pytest.raises(
PreparedQueryDeliveryError,
match="authoritative revision-three receipt",
):
_create_prepared_query_delivery(
decision=delivery.decision,
execution_intent="activate",
action=action,
receipt_event=replay3.reducer_event,
contents=(content,),
receipt_authority=forged_permit,
)
malicious_body = "arbitrary caller-supplied prompt instructions"
malicious = replace(
content,
content=malicious_body,
content_sha256=hashlib.sha256(malicious_body.encode()).hexdigest(),
content_bytes=len(malicious_body.encode()),
)
with pytest.raises(PreparedQueryDeliveryError, match="changed authorized material"):
_create_prepared_query_delivery(
decision=delivery.decision,
execution_intent="activate",
action=action,
receipt_event=replay3.reducer_event,
contents=(malicious,),
receipt_authority=forged_permit,
)
with pytest.raises(TypeError, match="final_journal_record_digest"):
_create_prepared_query_delivery(
decision=delivery.decision,
execution_intent="activate",
action=action,
receipt_event=replay3.reducer_event,
contents=(content,),
receipt_authority=forged_permit,
final_journal_record_digest=hashlib.sha256(b"fake final record").hexdigest(), # type: ignore[call-arg]
)
def test_prepared_query_delivery_acceptance_is_concurrently_one_shot(
tmp_path: Path,
) -> None:
delivery = _delivery(tmp_path)
host = QueryHostDescriptor.codex("activate")
def accept_once() -> str:
try:
accept_prepared_query_delivery(delivery, host=host)
except PreparedQueryDeliveryError:
return "rejected"
return "accepted"
with ThreadPoolExecutor(max_workers=16) as executor:
outcomes = tuple(executor.map(lambda _index: accept_once(), range(64)))
assert outcomes.count("accepted") == 1
assert outcomes.count("rejected") == 63
|