480 lines
16 KiB
Python
480 lines
16 KiB
Python
from __future__ import annotations
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import json
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import unittest
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from dataclasses import dataclass
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from datetime import UTC, datetime, timedelta
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from sqlalchemy import create_engine
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from sqlalchemy.orm import Session
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from govoplan_cases.backend.domain import CaseGrant, CaseRecord
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from govoplan_cases.backend.dsar_provider import (
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CASES_DSAR_CAPABILITY,
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CasesDsarProvider,
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)
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from govoplan_cases.backend.manifest import manifest
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from govoplan_cases.backend.service import (
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create_case,
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update_case,
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upsert_case_status,
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upsert_case_type,
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)
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from govoplan_core.core.dsar import (
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DsarErasureActionRef,
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DsarProvider,
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DsarRecordRef,
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DsarSubjectRef,
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)
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from govoplan_core.core.institutional import (
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EvidenceReference,
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GovernedContextEnvelope,
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InstitutionalReference,
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TemporalRevision,
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)
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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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NOW = datetime(2026, 8, 21, 12, 0, tzinfo=UTC)
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@dataclass
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class _Principal:
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tenant_id: str
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account_id: str
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class _Registry:
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def __init__(
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self,
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provider: CasesDsarProvider,
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*,
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cases_active: bool = True,
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) -> None:
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self.provider = provider
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self.cases_active = cases_active
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def capability_names(self):
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return (CASES_DSAR_CAPABILITY,)
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def capability_owner(self, name):
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self._assert_capability(name)
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return "cases"
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def tenant_entitlement_resolver(self):
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cases_active = self.cases_active
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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(
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"State",
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(),
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{"effective_modules": ("cases",) if cases_active else ()},
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)()
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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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self._assert_capability(name)
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return self.provider
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def manifests(self):
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return (type("Manifest", (), {"id": "cases"})(),)
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@staticmethod
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def _assert_capability(name: str) -> None:
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if name != CASES_DSAR_CAPABILITY:
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raise KeyError(name)
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def _ref(
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kind: str,
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object_id: str,
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owner: str,
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*,
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tenant_id: str,
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version: str | None = "1",
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) -> InstitutionalReference:
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return InstitutionalReference(
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kind=kind, # type: ignore[arg-type]
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owner_module=owner,
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object_id=object_id,
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tenant_id=tenant_id,
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version=version,
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valid_at=NOW,
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)
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def _record(
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case_id: str,
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*,
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tenant_id: str = "tenant-1",
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title: str = "Subject permit",
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grants: tuple[CaseGrant, ...] = (),
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) -> CaseRecord:
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case_ref = _ref("case", case_id, "cases", tenant_id=tenant_id)
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service_ref = _ref("service", "permit", "services", tenant_id=tenant_id)
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return CaseRecord(
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reference=case_ref,
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case_number=f"PERMIT-{case_id}",
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case_type_key="permit",
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status_key="open",
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title=title,
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access_mode="restricted" if grants else "tenant",
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access_grants=grants,
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context=GovernedContextEnvelope(
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tenant_id=tenant_id,
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temporal=TemporalRevision(
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revision="1",
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valid_from=NOW,
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recorded_at=NOW,
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change_reason="private-context-reason-do-not-export",
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),
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service_ref=service_ref,
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case_ref=case_ref,
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),
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service_ref=service_ref,
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party_refs=(
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_ref(
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"party",
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"private-party-reference-do-not-export",
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"parties",
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tenant_id=tenant_id,
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),
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),
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evidence_refs=(
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EvidenceReference(
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kind="document",
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owner_module="files",
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evidence_id="private-evidence-id-do-not-export",
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tenant_id=tenant_id,
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version="1",
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),
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),
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opened_at=NOW,
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recorded_at=NOW,
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deadline_at=NOW + timedelta(days=30),
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change_reason="private-create-reason-do-not-export",
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metadata={"secret": "private-metadata-do-not-export"},
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)
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class CasesDsarProviderTests(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 = CasesDsarProvider()
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self.assertIsInstance(self.provider, DsarProvider)
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operator = _Principal("tenant-1", "operator-1")
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other_operator = _Principal("tenant-1", "operator-other")
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tenant_two_operator = _Principal("tenant-2", "operator-2")
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for principal in (operator, tenant_two_operator):
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upsert_case_status(
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self.session,
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principal,
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status_key="open",
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label="Open",
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)
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upsert_case_type(
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self.session,
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principal,
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type_key="permit",
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label="Permit",
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initial_status_key="open",
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allowed_status_keys=("open",),
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)
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create_case(
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self.session,
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operator,
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record=_record(
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"case-1",
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grants=(
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CaseGrant("account", "account-subject", ("read",)),
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CaseGrant("identity", "identity-subject", ("read", "update")),
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),
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),
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idempotency_key="private-create-key-do-not-export",
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)
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update_case(
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self.session,
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operator,
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case_id="case-1",
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expected_revision=1,
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changes={
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"title": "Subject permit revised",
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"metadata": {"secret": "private-updated-metadata-do-not-export"},
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},
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recorded_at=NOW + timedelta(minutes=1),
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change_reason="private-update-reason-do-not-export",
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idempotency_key="private-update-key-do-not-export",
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)
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create_case(
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self.session,
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other_operator,
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record=_record(
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"case-unrelated",
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title="private-unrelated-title-do-not-export",
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grants=(CaseGrant("account", "account-other", ("read",)),),
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),
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idempotency_key="unrelated-key-do-not-export",
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)
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create_case(
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self.session,
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tenant_two_operator,
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record=_record(
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"case-other-tenant",
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tenant_id="tenant-2",
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title="private-other-tenant-title-do-not-export",
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grants=(CaseGrant("account", "account-subject", ("read",)),),
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),
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idempotency_key="other-tenant-key-do-not-export",
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)
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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 test_subject_access_grants_are_exact_tenant_and_minimized(self) -> None:
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account_records = self.provider.search_subject(
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self.session,
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tenant_id="tenant-1",
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subject=DsarSubjectRef(account_id="account-subject"),
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)
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self.assertEqual(1, len(account_records))
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self.assertEqual("cases_access_grant", account_records[0].resource_type)
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self.assertFalse(account_records[0].immutable_evidence)
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self.assertEqual("account-subject", account_records[0].data["subject_id"])
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self.assertEqual(
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["cases.casework"],
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account_records[0].data["allowed_purposes"],
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)
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identity_records = self.provider.search_subject(
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self.session,
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tenant_id="tenant-1",
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subject=DsarSubjectRef(identity_id="identity-subject"),
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)
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self.assertEqual(1, len(identity_records))
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self.assertEqual("identity", identity_records[0].data["subject_kind"])
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exported = json.dumps(
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[item.to_dict() for item in account_records + identity_records],
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sort_keys=True,
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)
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self.assertNotIn("private-unrelated-title-do-not-export", exported)
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self.assertNotIn("private-other-tenant-title-do-not-export", exported)
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self.assertNotIn("private-metadata-do-not-export", exported)
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self.assertNotIn("private-evidence-id-do-not-export", exported)
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def test_direct_case_exports_typed_history_without_opaque_content(self) -> None:
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records = self.provider.search_subject(
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self.session,
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tenant_id="tenant-1",
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subject=DsarSubjectRef(external_references={"cases.case": "case-1"}),
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)
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types = [item.resource_type for item in records]
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self.assertEqual(1, types.count("cases_case_identity"))
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self.assertEqual(2, types.count("cases_case_revision"))
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self.assertEqual(1, types.count("cases_current_case_fact"))
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self.assertEqual(2, types.count("cases_timeline_event"))
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exported = json.dumps([item.to_dict() for item in records], sort_keys=True)
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self.assertIn("Subject permit revised", exported)
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self.assertNotIn("account-subject", exported)
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self.assertNotIn("identity-subject", exported)
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self.assertNotIn("private-party-reference-do-not-export", exported)
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self.assertNotIn("private-evidence-id-do-not-export", exported)
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self.assertNotIn("private-create-reason-do-not-export", exported)
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self.assertNotIn("private-update-reason-do-not-export", exported)
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self.assertNotIn("private-create-key-do-not-export", exported)
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self.assertNotIn("private-update-key-do-not-export", exported)
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self.assertNotIn("private-metadata-do-not-export", exported)
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self.assertNotIn("private-updated-metadata-do-not-export", exported)
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def test_operator_attribution_excludes_raw_case_content(self) -> None:
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records = self.provider.search_subject(
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self.session,
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tenant_id="tenant-1",
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subject=DsarSubjectRef(account_id="operator-1"),
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)
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self.assertGreaterEqual(len(records), 5)
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self.assertTrue(
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all(
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item.resource_type
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in {
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"cases_access_grant",
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"cases_operator_attribution",
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"cases_timeline_event",
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}
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for item in records
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)
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)
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exported = json.dumps([item.to_dict() for item in records], sort_keys=True)
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self.assertNotIn("Subject permit revised", exported)
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self.assertNotIn("account-subject", exported)
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self.assertNotIn("identity-subject", exported)
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self.assertNotIn("private-update-reason-do-not-export", exported)
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self.assertNotIn("private-updated-metadata-do-not-export", exported)
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def test_direct_and_canonical_selector_conflicts_fail_closed(self) -> None:
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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-subject",
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external_references={"cases.case": "case-unrelated"},
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),
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)
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self.assertEqual((), conflict)
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alias_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-subject",
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external_references={"cases.account": "account-other"},
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),
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)
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self.assertEqual((), alias_conflict)
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def test_planning_retains_history_and_requires_current_fact_review(self) -> None:
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subject = DsarSubjectRef(external_references={"cases.case": "case-1"})
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records = self.provider.search_subject(
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self.session,
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tenant_id="tenant-1",
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subject=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=subject,
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records=records,
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)
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self.assertEqual(5, sum(item.kind == "retain" for item in actions))
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self.assertEqual(1, sum(item.kind == "manual_review" for item in actions))
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self.assertTrue(all(not item.executable for item 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=subject,
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actions=actions,
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request_id="dsar-cases-1",
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)
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self.assertTrue(all(item.status == "blocked" for item in results))
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def test_foreign_records_and_actions_are_rejected(self) -> None:
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subject = DsarSubjectRef(account_id="account-subject")
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foreign_record = DsarRecordRef(
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provider_id="foreign",
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module_id="foreign",
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resource_type="foreign",
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resource_id="foreign-1",
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category="foreign",
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title="Foreign record",
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)
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with self.assertRaisesRegex(ValueError, "foreign provider record"):
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self.provider.plan_erasure(
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self.session,
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tenant_id="tenant-1",
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subject=subject,
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records=(foreign_record,),
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)
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foreign_action = DsarErasureActionRef(
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action_id="foreign:delete:1",
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provider_id="foreign",
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module_id="foreign",
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kind="delete",
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resource_type="foreign",
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resource_id="foreign-1",
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title="Delete foreign",
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rationale="No",
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executable=True,
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)
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with self.assertRaisesRegex(ValueError, "foreign provider action"):
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self.provider.execute_erasure(
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self.session,
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tenant_id="tenant-1",
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subject=subject,
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actions=(foreign_action,),
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request_id="dsar-cases-1",
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)
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def test_workflow_discovers_only_the_active_tenant_capability(self) -> None:
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active = create_data_subject_request(
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self.session,
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tenant_id="tenant-1",
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reference="DSAR-CASES-1",
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request_kind="access",
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subject=DsarSubjectRef(account_id="account-subject"),
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purpose="Subject access request",
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legal_basis=None,
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due_at=None,
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requested_by_account_id="privacy-operator",
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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=active,
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expected_revision=1,
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)
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self.assertEqual("searched", active.status)
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self.assertEqual(
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[CASES_DSAR_CAPABILITY], active.coverage["provider_capabilities"]
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)
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self.assertEqual(["cases"], active.coverage["covered_modules"])
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inactive = create_data_subject_request(
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self.session,
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tenant_id="tenant-1",
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reference="DSAR-CASES-2",
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request_kind="access",
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subject=DsarSubjectRef(account_id="account-subject"),
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purpose="Inactive module coverage",
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legal_basis=None,
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due_at=None,
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requested_by_account_id="privacy-operator",
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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, cases_active=False),
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row=inactive,
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expected_revision=1,
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)
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self.assertEqual([], inactive.coverage["provider_capabilities"])
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self.assertEqual(
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[CASES_DSAR_CAPABILITY],
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inactive.coverage["inactive_provider_capabilities"],
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)
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self.assertEqual(0, inactive.search_result["record_count"])
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def test_manifest_registers_and_documents_the_capability(self) -> None:
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self.assertIn(CASES_DSAR_CAPABILITY, manifest.capability_factories)
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self.assertIn(CASES_DSAR_CAPABILITY, manifest.capability_documentation)
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self.assertIn(
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CASES_DSAR_CAPABILITY,
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{item.name for item in manifest.provides_interfaces},
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)
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self.assertTrue(
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any(
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topic.id == "cases.data-subject-requests"
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and {"admin", "user"}.issubset(topic.documentation_types)
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for topic in manifest.documentation
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)
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)
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if __name__ == "__main__":
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unittest.main()
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