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from dataclasses import replace
from datetime import UTC, datetime
from pathlib import Path
import pytest
from ctx.engine.content import MaterialIdentity
from ctx.engine.engine import CtxEngine, CtxEngineError
from ctx.engine.installation import (
InstallConsentPolicy,
InstallExecutionBinding,
InstallPlanDescriptor,
)
from ctx.engine.lineage import CatalogCapabilityIdentity
from ctx.engine.planner import CapabilityCandidate, CapabilitySelection
from ctx.engine.planning_v3 import (
CapabilityBenefitProjection,
CapabilityPlanSelectionV3,
InstallPlanningAuthority,
ManualPlanningAuthority,
)
from ctx.engine.protocol import EngineEvent, HostAction
from ctx.engine.store import (
InstallActionAlreadyClaimed,
InstallActionClaimExpired,
InstallExecutionOutcomeRequired,
SQLiteEngineStore,
)
from tests.engine import test_engine_install_coordinator as support
def _typed_selection(kind: str) -> tuple[CapabilityPlanSelectionV3, InstallPlanDescriptor]:
name = f"remote-{kind.replace('-', '')}-testing"
capability_id = f"{kind}:{name}"
material = MaterialIdentity.create(
capability_id=capability_id,
kind=kind,
content_sha256=support._digest(f"material:{kind}"),
content_bytes=512,
)
descriptor = InstallPlanDescriptor.create(
capability_id=capability_id,
kind=kind,
installer_id=f"ctx-{kind}-installer-v1",
plan_digest=support.INSTALL_PLAN_DIGEST,
provenance_digest=support._digest(f"installation-snapshot:{kind}"),
result_material_identity_digest=material.identity_digest,
)
selection = CapabilityPlanSelectionV3(
presentation=CapabilityCandidate(
capability_id=capability_id,
kind=kind,
name=name,
source_digest=support.SOURCE_DIGEST,
normalized_score_ppm=900_000,
matching_signals=("python", "testing"),
reason_codes=("exact-tag-match",),
actionability="install",
install_descriptor_digest=descriptor.descriptor_digest,
install_plan_digest=descriptor.plan_digest,
),
catalog_identity=CatalogCapabilityIdentity.create(
capability_id=capability_id,
kind=kind,
catalog_namespace_digest=support._digest(f"catalog-namespace:{kind}"),
),
benefit=CapabilityBenefitProjection(
tier="executable",
individual_net_benefit_u=600_000,
marginal_net_benefit_u=600_000,
),
authority=InstallPlanningAuthority(
descriptor=descriptor,
result_material=material,
),
)
return selection, descriptor
def _configure_selection(
monkeypatch: pytest.MonkeyPatch,
selection: CapabilityPlanSelectionV3,
) -> None:
monkeypatch.setattr(support, "_selection", lambda: selection)
def _policy_for(kind: str, mode: str) -> InstallConsentPolicy:
modes = {
"skill_mode": "ask-each-time",
"agent_mode": "ask-each-time",
"mcp_server_mode": "ask-each-time",
}
modes[{"skill": "skill_mode", "agent": "agent_mode", "mcp-server": "mcp_server_mode"}[kind]] = (
mode
)
return InstallConsentPolicy(**modes)
def _binding(descriptor: InstallPlanDescriptor) -> InstallExecutionBinding:
return InstallExecutionBinding(
driver_id=descriptor.installer_id,
driver_digest=support.INSTALLER_DIGEST,
host_identity_digest=support._digest(f"host:{descriptor.kind}"),
target_identity_digest=support._digest(f"target:{descriptor.capability_id}"),
)
def _claim(
engine: CtxEngine,
action: HostAction,
selection: CapabilityPlanSelectionV3,
descriptor: InstallPlanDescriptor,
policy: InstallConsentPolicy,
*,
execution_binding: InstallExecutionBinding | None = None,
) -> InstallExecutionBinding:
binding = execution_binding or _binding(descriptor)
engine.authorize_install(
action,
selection,
descriptor,
expected_catalog_snapshot_digest=support.CATALOG_DIGEST,
expected_policy_digest=policy.policy_digest,
execution_binding=binding,
)
return binding
def _receipt_event(
kind: str,
action: HostAction,
event_id: str,
*,
revision: int = 4,
) -> EngineEvent:
payload: dict[str, object] = {
"action_id": action.action_id,
"action_kind": action.kind,
"action_content_digest": action.content_digest,
"action_precondition_revision": action.precondition_revision,
}
if kind == "ActionApplied":
payload["verification"] = support._install_receipt_verification(action)
elif kind == "ActionFailed":
payload["error"] = {"code": "installer-failed"}
else:
payload["reason"] = "expired"
return support._event(kind, revision, event_id, payload=payload)
@pytest.mark.parametrize("kind", ["skill", "agent", "mcp-server"])
@pytest.mark.parametrize(
("mode", "decision_basis"),
[
("ask-each-time", "interactive"),
("preapproved-auto", "preapproved-policy"),
],
)
def test_claim_accepts_all_installable_kinds_and_both_consent_routes(
tmp_path: Path,
monkeypatch: pytest.MonkeyPatch,
kind: str,
mode: str,
decision_basis: str,
) -> None:
selection, descriptor = _typed_selection(kind)
_configure_selection(monkeypatch, selection)
policy = _policy_for(kind, mode)
engine, _ = support._engine(
tmp_path,
policy=policy,
decision_basis=decision_basis,
descriptor=descriptor,
)
_claim(engine, support._pending_install(engine), selection, descriptor, policy)
def test_claim_is_burned_across_engine_restart(
tmp_path: Path,
monkeypatch: pytest.MonkeyPatch,
) -> None:
selection, descriptor = _typed_selection("skill")
_configure_selection(monkeypatch, selection)
database = tmp_path / "engine" / "journal.sqlite3"
engine, policy = support._engine(
tmp_path,
descriptor=descriptor,
store=SQLiteEngineStore(database),
)
action = support._pending_install(engine)
_claim(engine, action, selection, descriptor, policy)
restarted = CtxEngine(
store=SQLiteEngineStore(database),
trusted_utc_now=lambda: support.BEFORE_EXPIRY,
)
with pytest.raises(InstallActionAlreadyClaimed):
_claim(restarted, action, selection, descriptor, policy)
@pytest.mark.parametrize(
"substitution",
[
"scope",
"selection",
"kind",
"catalog",
"material",
"descriptor",
"installer",
"policy",
"action",
],
)
def test_claim_rejects_typed_authority_substitution(
tmp_path: Path,
monkeypatch: pytest.MonkeyPatch,
substitution: str,
) -> None:
selection, descriptor = _typed_selection("skill")
_configure_selection(monkeypatch, selection)
engine, policy = support._engine(tmp_path, descriptor=descriptor)
action = support._pending_install(engine)
submitted_action = action
submitted_selection = selection
submitted_descriptor = descriptor
catalog_digest = support.CATALOG_DIGEST
policy_digest = policy.policy_digest
if substitution == "scope":
submitted_action = replace(
action,
scope=replace(action.scope, exposure_id="substituted-exposure"),
)
elif substitution == "selection":
submitted_selection = replace(
selection,
benefit=replace(selection.benefit, marginal_net_benefit_u=599_999),
)
elif substitution == "kind":
submitted_selection, submitted_descriptor = _typed_selection("agent")
elif substitution == "catalog":
submitted_selection = replace(
selection,
catalog_identity=CatalogCapabilityIdentity.create(
capability_id=selection.presentation.capability_id,
kind=selection.presentation.kind,
catalog_namespace_digest=support._digest("other-catalog"),
),
)
elif substitution == "material":
replacement_material = MaterialIdentity.create(
capability_id=selection.presentation.capability_id,
kind=selection.presentation.kind,
content_sha256=support._digest("other-material"),
content_bytes=999,
)
submitted_descriptor = InstallPlanDescriptor.create(
capability_id=selection.presentation.capability_id,
kind=selection.presentation.kind,
installer_id=descriptor.installer_id,
plan_digest=descriptor.plan_digest,
provenance_digest=descriptor.provenance_digest,
result_material_identity_digest=replacement_material.identity_digest,
)
submitted_selection = replace(
selection,
presentation=replace(
selection.presentation,
install_descriptor_digest=submitted_descriptor.descriptor_digest,
),
authority=InstallPlanningAuthority(
descriptor=submitted_descriptor,
result_material=replacement_material,
),
)
elif substitution == "descriptor":
submitted_descriptor = InstallPlanDescriptor.create(
capability_id=selection.presentation.capability_id,
kind=selection.presentation.kind,
installer_id="ctx-substituted-installer-v1",
plan_digest=descriptor.plan_digest,
provenance_digest=descriptor.provenance_digest,
result_material_identity_digest=descriptor.result_material_identity_digest,
)
submitted_selection = replace(
selection,
presentation=replace(
selection.presentation,
install_descriptor_digest=submitted_descriptor.descriptor_digest,
),
authority=InstallPlanningAuthority(
descriptor=submitted_descriptor,
result_material=selection.authority.result_material, # type: ignore[union-attr]
),
)
elif substitution == "installer":
raw_action = action.to_dict()
raw_action["payload"]["installer_digest"] = support._digest("other-installer")
submitted_action = HostAction.from_dict(raw_action)
elif substitution == "policy":
policy_digest = support._digest("other-policy")
else:
submitted_action = replace(action, action_id="substituted-action")
if substitution == "catalog":
catalog_digest = support._digest("other-catalog-snapshot")
with pytest.raises(CtxEngineError):
engine.authorize_install(
submitted_action,
submitted_selection,
submitted_descriptor,
expected_catalog_snapshot_digest=catalog_digest,
expected_policy_digest=policy_digest,
execution_binding=_binding(submitted_descriptor),
)
def test_legacy_and_manual_selections_cannot_claim_physical_authority(
tmp_path: Path,
) -> None:
engine, policy = support._engine(tmp_path)
action = support._pending_install(engine)
legacy = CapabilitySelection.from_candidate(support._selection().presentation)
with pytest.raises(CtxEngineError, match="legacy selections"):
engine.authorize_install(
action,
legacy,
support._descriptor(),
expected_catalog_snapshot_digest=support.CATALOG_DIGEST,
expected_policy_digest=policy.policy_digest,
execution_binding=_binding(support._descriptor()),
)
selection = support._selection()
manual = replace(
selection,
presentation=replace(
selection.presentation,
actionability="manual",
install_descriptor_digest=None,
install_plan_digest=None,
),
benefit=replace(selection.benefit, tier="advisory"),
authority=ManualPlanningAuthority(),
)
with pytest.raises(CtxEngineError, match="no schema-v3 physical install authority"):
engine.authorize_install(
action,
manual,
support._descriptor(),
expected_catalog_snapshot_digest=support.CATALOG_DIGEST,
expected_policy_digest=policy.policy_digest,
execution_binding=_binding(support._descriptor()),
)
@pytest.mark.parametrize("receipt_kind", ["ActionApplied", "ActionFailed"])
def test_install_completion_requires_claim_and_claimed_receipt_settles_once(
tmp_path: Path,
receipt_kind: str,
) -> None:
engine, policy = support._engine(tmp_path)
action = support._pending_install(engine)
selection = support._selection()
descriptor = support._descriptor()
binding = _binding(descriptor)
receipt = _receipt_event(receipt_kind, action, f"event-{receipt_kind.lower()}")
with pytest.raises(InstallExecutionOutcomeRequired):
engine.process(receipt)
_claim(
engine,
action,
selection,
descriptor,
policy,
execution_binding=binding,
)
with pytest.raises(InstallExecutionOutcomeRequired):
engine.process(receipt)
applied = receipt_kind == "ActionApplied"
authority = selection.authority
assert isinstance(authority, InstallPlanningAuthority)
guard = engine._record_install_outcome( # noqa: SLF001 - coordinator seam.
action,
execution_binding=binding,
execution_authority=engine._issue_install_outcome_permit( # noqa: SLF001
action, binding
),
outcome="applied" if applied else "failed",
observed_material_identity_digest=(
authority.result_material.identity_digest if applied else None
),
verification_digest=support._digest(f"verified:{receipt_kind}"),
)
transition = engine.process_install_receipt(receipt, guard)
assert transition.to_revision == 5
assert engine.process_install_receipt(receipt, guard) == transition
def test_unclaimed_expiry_is_allowed_but_claimed_expiry_is_rejected(
tmp_path: Path,
) -> None:
unclaimed_clock = [support.BEFORE_EXPIRY]
unclaimed, _ = support._engine(
tmp_path / "unclaimed",
trusted_utc_now=lambda: unclaimed_clock[0],
)
unclaimed_action = support._pending_install(unclaimed)
unclaimed_clock[0] = datetime(2026, 8, 1, 13, 0, tzinfo=UTC)
expired = unclaimed.process(
_receipt_event("ActionExpired", unclaimed_action, "event-expired-unclaimed")
)
assert expired.to_revision == 5
claimed_clock = [support.BEFORE_EXPIRY]
claimed, policy = support._engine(
tmp_path / "claimed",
trusted_utc_now=lambda: claimed_clock[0],
)
claimed_action = support._pending_install(claimed)
_claim(claimed, claimed_action, support._selection(), support._descriptor(), policy)
claimed_clock[0] = datetime(2026, 8, 1, 13, 0, tzinfo=UTC)
with pytest.raises(InstallActionAlreadyClaimed):
claimed.process(_receipt_event("ActionExpired", claimed_action, "event-expired-claimed"))
def test_unclaimed_expiry_is_rejected_before_trusted_expiry(tmp_path: Path) -> None:
engine, _ = support._engine(tmp_path)
action = support._pending_install(engine)
with pytest.raises(CtxEngineError, match="has not expired"):
engine.process(_receipt_event("ActionExpired", action, "event-expired-too-early"))
def test_claim_rejects_action_at_trusted_expiry_boundary(tmp_path: Path) -> None:
current_time = [datetime(2026, 8, 1, 12, 30, tzinfo=UTC)]
engine, policy = support._engine(
tmp_path,
trusted_utc_now=lambda: current_time[0],
)
action = support._pending_install(engine)
current_time[0] = datetime(2026, 8, 1, 13, 0, tzinfo=UTC)
with pytest.raises(InstallActionClaimExpired):
_claim(engine, action, support._selection(), support._descriptor(), policy)
|