feat(voting): add governed DSAR coverage
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@@ -0,0 +1,315 @@
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from __future__ import annotations
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import json
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import unittest
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from datetime import UTC, datetime
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from sqlalchemy import create_engine
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from sqlalchemy.orm import Session
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from govoplan_core.core.dsar import DsarProvider, DsarSubjectRef
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from govoplan_core.db.base import Base
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from govoplan_core.privacy.dsar_workflow import (
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create_data_subject_request,
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search_data_subject_request,
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)
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from govoplan_voting.backend.db.models import (
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VotingBallotRevision,
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VotingCastRecord,
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VotingConfidentialBallot,
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VotingConfidentialCast,
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VotingLifecycleEvent,
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)
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from govoplan_voting.backend.dsar_provider import (
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VOTING_DSAR_CAPABILITY,
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VotingDsarProvider,
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)
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from govoplan_voting.backend.manifest import manifest
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NOW = datetime(2026, 8, 21, 15, 0, tzinfo=UTC)
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class _Registry:
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def __init__(self, provider: VotingDsarProvider) -> None:
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self.provider = provider
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def capability_names(self):
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return (VOTING_DSAR_CAPABILITY,)
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def capability_owner(self, name):
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if name != VOTING_DSAR_CAPABILITY:
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raise KeyError(name)
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return "voting"
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def tenant_entitlement_resolver(self):
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class _Resolver:
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@staticmethod
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def resolve(session, tenant_id):
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del session, tenant_id
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return type("State", (), {"effective_modules": ("voting",)})()
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return _Resolver()
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def require_tenant_capability(self, name, session, **kwargs):
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del session, kwargs
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if name != VOTING_DSAR_CAPABILITY:
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raise KeyError(name)
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return self.provider
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def manifests(self):
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return (type("Manifest", (), {"id": "voting"})(),)
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class VotingDsarProviderTests(unittest.TestCase):
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def setUp(self) -> None:
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self.engine = create_engine("sqlite+pysqlite:///:memory:")
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Base.metadata.create_all(self.engine)
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self.session = Session(self.engine)
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self.provider = VotingDsarProvider()
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self.assertIsInstance(self.provider, DsarProvider)
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self._seed()
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self.session.commit()
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def tearDown(self) -> None:
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self.session.close()
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self.engine.dispose()
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def _seed(self) -> None:
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self.session.add(
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VotingBallotRevision(
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id="ballot-revision-1",
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tenant_id="tenant-1",
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ballot_id="ballot-1",
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revision=1,
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state="closed",
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assurance_profile="recorded",
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method="single_choice",
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definition_sha256="definition-hash-do-not-export",
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electorate_sha256="electorate-hash-do-not-export",
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recorded_at=NOW,
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payload={
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"electorate": "ballot-electorate-do-not-export",
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"options": "ballot-options-do-not-export",
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},
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created_by="account-1",
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)
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)
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self.session.add_all(
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(
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VotingCastRecord(
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id="recorded-cast-1",
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tenant_id="tenant-1",
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ballot_id="ballot-1",
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definition_sha256="cast-definition-hash-do-not-export",
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elector_id="account-1",
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generation=1,
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selections=["option-a"],
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weight=1,
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cast_at=NOW,
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idempotency_key="cast-idempotency-do-not-export",
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receipt_sha256="recorded-receipt-1",
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actor_id="account-1",
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),
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VotingCastRecord(
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id="recorded-cast-other",
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tenant_id="tenant-1",
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ballot_id="ballot-1",
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definition_sha256="other-definition",
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elector_id="account-other",
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generation=1,
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selections=["private-other-selection-do-not-export"],
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weight=1,
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cast_at=NOW,
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idempotency_key="other-idempotency",
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receipt_sha256="other-receipt",
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actor_id="account-other",
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),
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VotingCastRecord(
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id="recorded-cast-proxy",
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tenant_id="tenant-1",
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ballot_id="ballot-1",
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definition_sha256="proxy-definition",
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elector_id="account-proxy-subject",
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generation=1,
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selections=["proxy-selection-do-not-export"],
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weight=1,
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cast_at=NOW,
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idempotency_key="proxy-idempotency-do-not-export",
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receipt_sha256="proxy-receipt-do-not-export",
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actor_id="account-1",
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),
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)
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)
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confidential_ballot = VotingConfidentialBallot(
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id="confidential-ballot-row",
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tenant_id="tenant-1",
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provider_ballot_ref="provider-ballot-1",
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ballot_id="ballot-confidential",
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definition_sha256="confidential-definition-do-not-export",
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electorate_sha256="confidential-electorate-hash-do-not-export",
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assurance_profile="confidential",
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method="single_choice",
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state="closed",
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options=[{"private": "confidential-options-do-not-export"}],
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electorate=[{"private": "confidential-electorate-do-not-export"}],
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allow_replacement=True,
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quorum_weight=1,
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threshold_numerator=1,
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threshold_denominator=2,
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vault_id="vault-do-not-export",
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preparation_idempotency_key="preparation-idempotency-do-not-export",
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preparation_request_sha256="preparation-hash-do-not-export",
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prepared_at=NOW,
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result={"private": "confidential-result-do-not-export"},
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)
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self.session.add(confidential_ballot)
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self.session.flush()
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self.session.add(
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VotingConfidentialCast(
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id="confidential-cast-1",
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tenant_id="tenant-1",
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provider_ballot_id="confidential-ballot-row",
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elector_id="account-1",
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generation=1,
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definition_sha256="confidential-cast-definition-do-not-export",
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ciphertext=b"ciphertext-do-not-export",
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encryption_envelope_id="envelope-do-not-export",
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encryption_resource_id="resource-key-do-not-export",
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weight=1,
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cast_at=NOW,
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idempotency_key="confidential-idempotency-do-not-export",
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request_sha256="confidential-request-hash-do-not-export",
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receipt_sha256="confidential-receipt-1",
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)
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)
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self.session.add(
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VotingLifecycleEvent(
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id="lifecycle-1",
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tenant_id="tenant-1",
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ballot_id="ballot-1",
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sequence=1,
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event_type="ballot.opened",
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recorded_at=NOW,
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actor_id="account-1",
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payload={"secret": "lifecycle-payload-do-not-export"},
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)
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)
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@staticmethod
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def _subject() -> DsarSubjectRef:
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return DsarSubjectRef(account_id="account-1")
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def test_search_separates_recorded_and_confidential_disclosure(self) -> None:
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records = self.provider.search_subject(
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self.session, tenant_id="tenant-1", subject=self._subject()
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)
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self.assertEqual(
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{
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"recorded_ballot_cast",
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"recorded_cast_actor_attribution",
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"confidential_ballot_participation",
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"ballot_actor_attribution",
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"voting_lifecycle_actor_attribution",
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},
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{record.resource_type for record in records},
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)
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exported = json.dumps([record.to_dict() for record in records])
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self.assertIn("option-a", exported)
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self.assertIn("recorded-receipt-1", exported)
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self.assertIn("confidential-receipt-1", exported)
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self.assertIn('"selections_disclosed": false', exported)
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for excluded in (
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"private-other-selection-do-not-export",
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"proxy-selection-do-not-export",
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"proxy-receipt-do-not-export",
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"ciphertext-do-not-export",
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"envelope-do-not-export",
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"resource-key-do-not-export",
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"confidential-options-do-not-export",
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"confidential-electorate-do-not-export",
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"confidential-result-do-not-export",
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"ballot-electorate-do-not-export",
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"lifecycle-payload-do-not-export",
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"cast-idempotency-do-not-export",
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):
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self.assertNotIn(excluded, exported)
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def test_ballot_narrowing_and_conflicting_elector_fail_closed(self) -> None:
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narrowed = self.provider.search_subject(
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self.session,
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tenant_id="tenant-1",
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subject=DsarSubjectRef(
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account_id="account-1",
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external_references={"voting.ballot": "ballot-confidential"},
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),
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)
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conflict = self.provider.search_subject(
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self.session,
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tenant_id="tenant-1",
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subject=DsarSubjectRef(
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account_id="account-1",
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external_references={"voting.elector": "account-other"},
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),
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)
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ballot_only = self.provider.search_subject(
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self.session,
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tenant_id="tenant-1",
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subject=DsarSubjectRef(
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external_references={"voting.ballot": "ballot-1"}
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),
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)
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self.assertEqual(
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["confidential_ballot_participation"],
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[record.resource_type for record in narrowed],
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)
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self.assertEqual((), conflict)
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self.assertEqual((), ballot_only)
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def test_erasure_is_retain_only(self) -> None:
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records = self.provider.search_subject(
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self.session, tenant_id="tenant-1", subject=self._subject()
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)
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actions = self.provider.plan_erasure(
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self.session,
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tenant_id="tenant-1",
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subject=self._subject(),
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records=records,
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)
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self.assertTrue(actions)
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self.assertTrue(all(action.kind == "retain" for action in actions))
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results = self.provider.execute_erasure(
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self.session,
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tenant_id="tenant-1",
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subject=self._subject(),
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actions=actions,
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request_id="dsar-voting-1",
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)
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self.assertTrue(all(result.status == "blocked" for result in results))
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self.assertEqual(3, self.session.query(VotingCastRecord).count())
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def test_manifest_and_core_workflow_discover_provider(self) -> None:
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self.assertIn(VOTING_DSAR_CAPABILITY, manifest.capability_factories)
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row = create_data_subject_request(
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self.session,
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tenant_id="tenant-1",
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reference="DSAR-VOTING-1",
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request_kind="access",
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subject=self._subject(),
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purpose="Voting participation access request",
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legal_basis=None,
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due_at=None,
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requested_by_account_id="operator-1",
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)
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search_data_subject_request(
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self.session,
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registry=_Registry(self.provider),
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row=row,
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expected_revision=row.resource_revision,
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)
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self.assertEqual("searched", row.status)
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self.assertEqual(5, row.search_result["record_count"])
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if __name__ == "__main__":
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unittest.main()
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