Files
govoplan-voting/tests/test_dsar_provider.py
T

316 lines
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Python

from __future__ import annotations
import json
import unittest
from datetime import UTC, datetime
from sqlalchemy import create_engine
from sqlalchemy.orm import Session
from govoplan_core.core.dsar import DsarProvider, DsarSubjectRef
from govoplan_core.db.base import Base
from govoplan_core.privacy.dsar_workflow import (
create_data_subject_request,
search_data_subject_request,
)
from govoplan_voting.backend.db.models import (
VotingBallotRevision,
VotingCastRecord,
VotingConfidentialBallot,
VotingConfidentialCast,
VotingLifecycleEvent,
)
from govoplan_voting.backend.dsar_provider import (
VOTING_DSAR_CAPABILITY,
VotingDsarProvider,
)
from govoplan_voting.backend.manifest import manifest
NOW = datetime(2026, 8, 21, 15, 0, tzinfo=UTC)
class _Registry:
def __init__(self, provider: VotingDsarProvider) -> None:
self.provider = provider
def capability_names(self):
return (VOTING_DSAR_CAPABILITY,)
def capability_owner(self, name):
if name != VOTING_DSAR_CAPABILITY:
raise KeyError(name)
return "voting"
def tenant_entitlement_resolver(self):
class _Resolver:
@staticmethod
def resolve(session, tenant_id):
del session, tenant_id
return type("State", (), {"effective_modules": ("voting",)})()
return _Resolver()
def require_tenant_capability(self, name, session, **kwargs):
del session, kwargs
if name != VOTING_DSAR_CAPABILITY:
raise KeyError(name)
return self.provider
def manifests(self):
return (type("Manifest", (), {"id": "voting"})(),)
class VotingDsarProviderTests(unittest.TestCase):
def setUp(self) -> None:
self.engine = create_engine("sqlite+pysqlite:///:memory:")
Base.metadata.create_all(self.engine)
self.session = Session(self.engine)
self.provider = VotingDsarProvider()
self.assertIsInstance(self.provider, DsarProvider)
self._seed()
self.session.commit()
def tearDown(self) -> None:
self.session.close()
self.engine.dispose()
def _seed(self) -> None:
self.session.add(
VotingBallotRevision(
id="ballot-revision-1",
tenant_id="tenant-1",
ballot_id="ballot-1",
revision=1,
state="closed",
assurance_profile="recorded",
method="single_choice",
definition_sha256="definition-hash-do-not-export",
electorate_sha256="electorate-hash-do-not-export",
recorded_at=NOW,
payload={
"electorate": "ballot-electorate-do-not-export",
"options": "ballot-options-do-not-export",
},
created_by="account-1",
)
)
self.session.add_all(
(
VotingCastRecord(
id="recorded-cast-1",
tenant_id="tenant-1",
ballot_id="ballot-1",
definition_sha256="cast-definition-hash-do-not-export",
elector_id="account-1",
generation=1,
selections=["option-a"],
weight=1,
cast_at=NOW,
idempotency_key="cast-idempotency-do-not-export",
receipt_sha256="recorded-receipt-1",
actor_id="account-1",
),
VotingCastRecord(
id="recorded-cast-other",
tenant_id="tenant-1",
ballot_id="ballot-1",
definition_sha256="other-definition",
elector_id="account-other",
generation=1,
selections=["private-other-selection-do-not-export"],
weight=1,
cast_at=NOW,
idempotency_key="other-idempotency",
receipt_sha256="other-receipt",
actor_id="account-other",
),
VotingCastRecord(
id="recorded-cast-proxy",
tenant_id="tenant-1",
ballot_id="ballot-1",
definition_sha256="proxy-definition",
elector_id="account-proxy-subject",
generation=1,
selections=["proxy-selection-do-not-export"],
weight=1,
cast_at=NOW,
idempotency_key="proxy-idempotency-do-not-export",
receipt_sha256="proxy-receipt-do-not-export",
actor_id="account-1",
),
)
)
confidential_ballot = VotingConfidentialBallot(
id="confidential-ballot-row",
tenant_id="tenant-1",
provider_ballot_ref="provider-ballot-1",
ballot_id="ballot-confidential",
definition_sha256="confidential-definition-do-not-export",
electorate_sha256="confidential-electorate-hash-do-not-export",
assurance_profile="confidential",
method="single_choice",
state="closed",
options=[{"private": "confidential-options-do-not-export"}],
electorate=[{"private": "confidential-electorate-do-not-export"}],
allow_replacement=True,
quorum_weight=1,
threshold_numerator=1,
threshold_denominator=2,
vault_id="vault-do-not-export",
preparation_idempotency_key="preparation-idempotency-do-not-export",
preparation_request_sha256="preparation-hash-do-not-export",
prepared_at=NOW,
result={"private": "confidential-result-do-not-export"},
)
self.session.add(confidential_ballot)
self.session.flush()
self.session.add(
VotingConfidentialCast(
id="confidential-cast-1",
tenant_id="tenant-1",
provider_ballot_id="confidential-ballot-row",
elector_id="account-1",
generation=1,
definition_sha256="confidential-cast-definition-do-not-export",
ciphertext=b"ciphertext-do-not-export",
encryption_envelope_id="envelope-do-not-export",
encryption_resource_id="resource-key-do-not-export",
weight=1,
cast_at=NOW,
idempotency_key="confidential-idempotency-do-not-export",
request_sha256="confidential-request-hash-do-not-export",
receipt_sha256="confidential-receipt-1",
)
)
self.session.add(
VotingLifecycleEvent(
id="lifecycle-1",
tenant_id="tenant-1",
ballot_id="ballot-1",
sequence=1,
event_type="ballot.opened",
recorded_at=NOW,
actor_id="account-1",
payload={"secret": "lifecycle-payload-do-not-export"},
)
)
@staticmethod
def _subject() -> DsarSubjectRef:
return DsarSubjectRef(account_id="account-1")
def test_search_separates_recorded_and_confidential_disclosure(self) -> None:
records = self.provider.search_subject(
self.session, tenant_id="tenant-1", subject=self._subject()
)
self.assertEqual(
{
"recorded_ballot_cast",
"recorded_cast_actor_attribution",
"confidential_ballot_participation",
"ballot_actor_attribution",
"voting_lifecycle_actor_attribution",
},
{record.resource_type for record in records},
)
exported = json.dumps([record.to_dict() for record in records])
self.assertIn("option-a", exported)
self.assertIn("recorded-receipt-1", exported)
self.assertIn("confidential-receipt-1", exported)
self.assertIn('"selections_disclosed": false', exported)
for excluded in (
"private-other-selection-do-not-export",
"proxy-selection-do-not-export",
"proxy-receipt-do-not-export",
"ciphertext-do-not-export",
"envelope-do-not-export",
"resource-key-do-not-export",
"confidential-options-do-not-export",
"confidential-electorate-do-not-export",
"confidential-result-do-not-export",
"ballot-electorate-do-not-export",
"lifecycle-payload-do-not-export",
"cast-idempotency-do-not-export",
):
self.assertNotIn(excluded, exported)
def test_ballot_narrowing_and_conflicting_elector_fail_closed(self) -> None:
narrowed = self.provider.search_subject(
self.session,
tenant_id="tenant-1",
subject=DsarSubjectRef(
account_id="account-1",
external_references={"voting.ballot": "ballot-confidential"},
),
)
conflict = self.provider.search_subject(
self.session,
tenant_id="tenant-1",
subject=DsarSubjectRef(
account_id="account-1",
external_references={"voting.elector": "account-other"},
),
)
ballot_only = self.provider.search_subject(
self.session,
tenant_id="tenant-1",
subject=DsarSubjectRef(
external_references={"voting.ballot": "ballot-1"}
),
)
self.assertEqual(
["confidential_ballot_participation"],
[record.resource_type for record in narrowed],
)
self.assertEqual((), conflict)
self.assertEqual((), ballot_only)
def test_erasure_is_retain_only(self) -> None:
records = self.provider.search_subject(
self.session, tenant_id="tenant-1", subject=self._subject()
)
actions = self.provider.plan_erasure(
self.session,
tenant_id="tenant-1",
subject=self._subject(),
records=records,
)
self.assertTrue(actions)
self.assertTrue(all(action.kind == "retain" for action in actions))
results = self.provider.execute_erasure(
self.session,
tenant_id="tenant-1",
subject=self._subject(),
actions=actions,
request_id="dsar-voting-1",
)
self.assertTrue(all(result.status == "blocked" for result in results))
self.assertEqual(3, self.session.query(VotingCastRecord).count())
def test_manifest_and_core_workflow_discover_provider(self) -> None:
self.assertIn(VOTING_DSAR_CAPABILITY, manifest.capability_factories)
row = create_data_subject_request(
self.session,
tenant_id="tenant-1",
reference="DSAR-VOTING-1",
request_kind="access",
subject=self._subject(),
purpose="Voting participation access request",
legal_basis=None,
due_at=None,
requested_by_account_id="operator-1",
)
search_data_subject_request(
self.session,
registry=_Registry(self.provider),
row=row,
expected_revision=row.resource_revision,
)
self.assertEqual("searched", row.status)
self.assertEqual(5, row.search_result["record_count"])
if __name__ == "__main__":
unittest.main()