Files
govoplan-audit/tests/test_dsar_provider.py
T

441 lines
15 KiB
Python

from __future__ import annotations
import json
import unittest
from sqlalchemy import Column, String, Table, create_engine
from sqlalchemy.orm import Session
from govoplan_audit.backend.db.models import (
AuditEvidenceBundle,
AuditLog,
AuditOutboxDelivery,
AuditOutboxEvent,
)
from govoplan_audit.backend.dsar_provider import (
AUDIT_DSAR_CAPABILITY,
AuditDsarProvider,
)
from govoplan_audit.backend.manifest import manifest
from govoplan_core.core.dsar import (
DsarErasureActionRef,
DsarProvider,
DsarRecordRef,
DsarSubjectRef,
)
from govoplan_core.db.base import Base
from govoplan_core.privacy.dsar_workflow import (
DataSubjectRequest,
create_data_subject_request,
search_data_subject_request,
)
class _Registry:
def __init__(self, provider: AuditDsarProvider, *, active: bool = True) -> None:
self.provider = provider
self.active = active
def capability_names(self):
return (AUDIT_DSAR_CAPABILITY,)
def capability_owner(self, name):
self._assert_capability(name)
return "audit"
def tenant_entitlement_resolver(self):
active = self.active
class _Resolver:
@staticmethod
def resolve(session, tenant_id):
del session, tenant_id
return type(
"State",
(),
{"effective_modules": ("audit",) if active else ()},
)()
return _Resolver()
def require_tenant_capability(self, name, session, **kwargs):
del session, kwargs
self._assert_capability(name)
return self.provider
def manifests(self):
return (type("Manifest", (), {"id": "audit"})(),)
@staticmethod
def _assert_capability(name: str) -> None:
if name != AUDIT_DSAR_CAPABILITY:
raise KeyError(name)
class AuditDsarProviderTests(unittest.TestCase):
def setUp(self) -> None:
self.engine = create_engine("sqlite+pysqlite:///:memory:")
if "access_users" not in Base.metadata.tables:
Table(
"access_users",
Base.metadata,
Column("id", String(36), primary_key=True),
)
if "access_api_keys" not in Base.metadata.tables:
Table(
"access_api_keys",
Base.metadata,
Column("id", String(36), primary_key=True),
)
Base.metadata.create_all(
self.engine,
tables=[
Base.metadata.tables["access_users"],
Base.metadata.tables["access_api_keys"],
AuditLog.__table__,
AuditOutboxEvent.__table__,
AuditOutboxDelivery.__table__,
AuditEvidenceBundle.__table__,
DataSubjectRequest.__table__,
],
)
self.session = Session(self.engine)
self.provider = AuditDsarProvider()
self.assertIsInstance(self.provider, DsarProvider)
self._seed()
self.session.commit()
def tearDown(self) -> None:
self.session.close()
self.engine.dispose()
@staticmethod
def _event_payload(
*,
event_id: str,
tenant_id: str,
actor_id: str,
) -> dict[str, object]:
return {
"type": "case.decision.recorded",
"module_id": "cases",
"payload": {
"authorization_token": "event-secret-do-not-export",
"private_case_data": "third-party-data-do-not-export",
},
"occurred_at": "2026-08-21T10:00:00+00:00",
"event_id": event_id,
"correlation_id": f"trace-{event_id}",
"causation_id": None,
"actor": {"type": "user", "id": actor_id, "label": "Private name"},
"tenant": {"id": tenant_id, "label": "Private tenant label"},
"subject": {"type": "case", "id": "case-1", "label": "Private subject"},
"resource": {
"type": "decision",
"id": "decision-1",
"label": "Private resource",
},
"classification": "confidential",
"institutional_context": {
"authorization": "institutional-secret-do-not-export"
},
}
def _seed(self) -> None:
event = AuditOutboxEvent(
id="outbox-1",
event_id="event-1",
event_type="case.decision.recorded",
module_id="cases",
correlation_id="trace-event-1",
causation_id=None,
classification="confidential",
payload=self._event_payload(
event_id="event-1",
tenant_id="tenant-1",
actor_id="user-1",
),
status="dispatched",
attempts=1,
)
self.session.add_all(
(
AuditLog(
id="audit-log-1",
scope="tenant",
tenant_id="tenant-1",
user_id="user-1",
action="case.decision.recorded",
object_type="case",
object_id="case-1",
details={
"correlation_id": "trace-audit-1",
"policy_decision_ref": "policy:decision-1",
"source_ref": "cases:case-1:v4",
"message_body": "audit-secret-do-not-export",
"authorization_token": "audit-token-do-not-export",
},
),
AuditLog(
id="audit-log-other",
scope="tenant",
tenant_id="tenant-1",
user_id="user-other",
action="other.action",
object_type="case",
object_id="case-other",
details={"private": "other actor"},
),
AuditLog(
id="audit-log-other-tenant",
scope="tenant",
tenant_id="tenant-2",
user_id="user-1",
action="other.tenant.action",
object_type="case",
object_id="case-other-tenant",
details={"private": "other tenant"},
),
event,
AuditOutboxDelivery(
id="delivery-1",
outbox_event_id="outbox-1",
consumer_id="reporting.audit-consumer",
delivery_key="event-1:reporting.audit-consumer",
policy_decision_ref="policy:delivery-1",
status="delivered",
attempts=1,
replay_count=1,
last_replayed_by="user-1",
last_replay_reason="private-replay-reason-do-not-export",
last_error="private-delivery-error-do-not-export",
),
AuditEvidenceBundle(
id="bundle-1",
scope="tenant",
tenant_id="tenant-1",
requested_by="user-1",
status="ready",
request_payload={"secret": "request-secret-do-not-export"},
bundle_payload={"secret": "bundle-secret-do-not-export"},
bundle_sha256="a" * 64,
record_count=1,
reference_count=2,
),
)
)
@staticmethod
def _subject() -> DsarSubjectRef:
return DsarSubjectRef(
account_id="account-1",
membership_id="membership-1",
external_references={"audit.user": "user-1"},
)
def test_search_is_tenant_actor_scoped_and_minimized(self) -> None:
records = self.provider.search_subject(
self.session,
tenant_id="tenant-1",
subject=self._subject(),
)
self.assertEqual(
[
"audit_actor_record",
"audit_event_actor_record",
"audit_replay_attribution",
"audit_evidence_bundle_attribution",
],
[record.resource_type for record in records],
)
exported = json.dumps([record.to_dict() for record in records])
self.assertIn("trace-audit-1", exported)
self.assertIn("policy:decision-1", exported)
self.assertIn("decision-1", exported)
self.assertIn("a" * 64, exported)
for excluded in (
"audit-secret-do-not-export",
"audit-token-do-not-export",
"event-secret-do-not-export",
"third-party-data-do-not-export",
"institutional-secret-do-not-export",
"private-replay-reason-do-not-export",
"private-delivery-error-do-not-export",
"request-secret-do-not-export",
"bundle-secret-do-not-export",
"audit-log-other",
"audit-log-other-tenant",
):
self.assertNotIn(excluded, exported)
def test_exact_references_narrow_and_alias_conflicts_fail_closed(self) -> None:
log = self.provider.search_subject(
self.session,
tenant_id="tenant-1",
subject=DsarSubjectRef(
external_references={
"audit.user": "user-1",
"audit.log": "audit-log-1",
}
),
)
event = self.provider.search_subject(
self.session,
tenant_id="tenant-1",
subject=DsarSubjectRef(
external_references={
"audit.user": "user-1",
"audit.event": "event-1",
}
),
)
conflict = self.provider.search_subject(
self.session,
tenant_id="tenant-1",
subject=DsarSubjectRef(
account_id="account-1",
external_references={"audit.account": "account-other"},
),
)
reference_only = self.provider.search_subject(
self.session,
tenant_id="tenant-1",
subject=DsarSubjectRef(external_references={"audit.log": "audit-log-1"}),
)
self.assertEqual(["audit-log-1"], [item.resource_id for item in log])
self.assertEqual(["outbox-1"], [item.resource_id for item in event])
self.assertEqual((), conflict)
self.assertEqual((), reference_only)
def test_erasure_is_retain_only_and_execution_is_blocked(self) -> None:
subject = self._subject()
records = self.provider.search_subject(
self.session,
tenant_id="tenant-1",
subject=subject,
)
actions = self.provider.plan_erasure(
self.session,
tenant_id="tenant-1",
subject=subject,
records=records,
)
self.assertTrue(actions)
self.assertTrue(all(action.kind == "retain" for action in actions))
self.assertTrue(all(not action.executable for action in actions))
results = self.provider.execute_erasure(
self.session,
tenant_id="tenant-1",
subject=subject,
actions=actions,
request_id="dsar-1",
)
self.assertTrue(all(result.status == "blocked" for result in results))
self.assertIsNotNone(self.session.get(AuditLog, "audit-log-1"))
self.assertIsNotNone(self.session.get(AuditOutboxEvent, "outbox-1"))
def test_foreign_records_and_actions_are_rejected(self) -> None:
subject = self._subject()
with self.assertRaisesRegex(ValueError, "foreign provider record"):
self.provider.plan_erasure(
self.session,
tenant_id="tenant-1",
subject=subject,
records=(
DsarRecordRef(
provider_id="cases",
module_id="cases",
resource_type="audit_actor_record",
resource_id="audit-log-1",
category="evidence",
title="Foreign evidence",
),
),
)
with self.assertRaisesRegex(ValueError, "foreign provider action"):
self.provider.execute_erasure(
self.session,
tenant_id="tenant-1",
subject=subject,
actions=(
DsarErasureActionRef(
action_id="cases:retain:audit:audit-log-1",
provider_id="cases",
module_id="cases",
kind="retain",
resource_type="audit_actor_record",
resource_id="audit-log-1",
title="Retain evidence",
rationale="Evidence",
executable=False,
),
),
request_id="dsar-1",
)
def test_core_workflow_and_manifest_register_provider(self) -> None:
row = create_data_subject_request(
self.session,
tenant_id="tenant-1",
reference="DSAR-AUDIT-1",
request_kind="access",
subject=self._subject(),
purpose="Respond to a verified request.",
legal_basis="Article 15 GDPR",
due_at=None,
requested_by_account_id="privacy-officer",
)
self.session.commit()
search_data_subject_request(
self.session,
registry=_Registry(self.provider),
row=row,
expected_revision=1,
)
self.assertEqual([AUDIT_DSAR_CAPABILITY], row.coverage["provider_capabilities"])
self.assertEqual(4, row.search_result["record_count"])
inactive = create_data_subject_request(
self.session,
tenant_id="tenant-1",
reference="DSAR-AUDIT-2",
request_kind="access",
subject=self._subject(),
purpose="Respond to a verified request.",
legal_basis="Article 15 GDPR",
due_at=None,
requested_by_account_id="privacy-officer",
)
self.session.commit()
search_data_subject_request(
self.session,
registry=_Registry(self.provider, active=False),
row=inactive,
expected_revision=1,
)
self.assertEqual(
[AUDIT_DSAR_CAPABILITY],
inactive.coverage["inactive_provider_capabilities"],
)
self.assertIn(AUDIT_DSAR_CAPABILITY, manifest.capability_factories)
self.assertIn(AUDIT_DSAR_CAPABILITY, manifest.capability_documentation)
self.assertIn(
AUDIT_DSAR_CAPABILITY,
{item.name for item in manifest.provides_interfaces},
)
self.assertTrue(
any(
topic.id == "audit.data-subject-requests"
and {"admin", "user"}.issubset(topic.documentation_types)
for topic in manifest.documentation
)
)
if __name__ == "__main__":
unittest.main()