Files
govoplan-policy/tests/test_policy_hierarchy.py
2026-07-14 13:22:12 +02:00

106 lines
4.7 KiB
Python

from __future__ import annotations
import unittest
from govoplan_policy.backend.retention import (
PrivacyRetentionPolicy,
PrivacyRetentionPolicyPatch,
PrivacyPolicyError,
_parent_privacy_policy_scope_id,
_privacy_policy_patch_payload,
_required_privacy_policy_scope_id,
)
from govoplan_policy.backend.hierarchy import (
PolicyRestrictionRule,
simulate_hierarchical_policy_change,
validate_hierarchical_policy_patch,
)
class PolicyHierarchyTests(unittest.TestCase):
def test_privacy_policy_parent_scope_ids_follow_scope_precedence(self) -> None:
self.assertEqual(
"tenant-1",
_parent_privacy_policy_scope_id(tenant_id="tenant-1", scope_type="tenant", scope_id=None),
)
self.assertIsNone(_parent_privacy_policy_scope_id(tenant_id="tenant-1", scope_type="user", scope_id=None))
self.assertIsNone(_parent_privacy_policy_scope_id(tenant_id="tenant-1", scope_type="group", scope_id=None))
self.assertEqual(
"campaign-1",
_parent_privacy_policy_scope_id(tenant_id="tenant-1", scope_type="campaign", scope_id="campaign-1"),
)
def test_privacy_policy_patch_payload_validates_and_removes_unset_fields(self) -> None:
payload = _privacy_policy_patch_payload({"audit_detail_level": "minimal", "generated_eml_retention_days": None})
self.assertEqual({"audit_detail_level": "minimal"}, payload)
def test_privacy_policy_models_extend_shared_schema_contract(self) -> None:
policy = PrivacyRetentionPolicy.model_validate({"generated_eml_retention_days": ""})
patch = PrivacyRetentionPolicyPatch.model_validate({"allow_lower_level_limits": {"audit_detail_level": False}})
self.assertIsNone(policy.generated_eml_retention_days)
self.assertEqual({"audit_detail_level": False}, patch.allow_lower_level_limits)
def test_required_privacy_policy_scope_id_reports_missing_scope(self) -> None:
with self.assertRaises(PrivacyPolicyError) as captured:
_required_privacy_policy_scope_id("group", None)
self.assertEqual("Group privacy policy requires scope_id", str(captured.exception))
def test_parent_locks_block_lower_level_field_changes_and_limit_reenable(self) -> None:
issues = validate_hierarchical_policy_patch(
parent_policy={"retention_days": 30},
patch={"retention_days": 20, "allow_lower_level_limits": {"retention_days": True}},
field_keys=("retention_days",),
parent_allow_lower_level_limits={"retention_days": False},
)
self.assertEqual(["field_locked_by_parent", "lower_level_limit_locked_by_parent"], [issue.code for issue in issues])
self.assertEqual(["retention_days", "retention_days"], [issue.field for issue in issues])
def test_restriction_rules_block_less_restrictive_patch(self) -> None:
issues = validate_hierarchical_policy_patch(
parent_policy={"retention_days": 30},
patch={"retention_days": 45},
field_keys=("retention_days",),
parent_allow_lower_level_limits={"retention_days": True},
restriction_rules=(
PolicyRestrictionRule(
field="retention_days",
is_more_restrictive_or_equal=lambda parent, requested: int(requested) <= int(parent),
less_restrictive_message="retention_days cannot be widened",
),
),
)
self.assertEqual(1, len(issues))
self.assertEqual("less_restrictive_than_parent", issues[0].code)
self.assertEqual("retention_days cannot be widened", issues[0].message)
def test_policy_simulation_returns_decision_payload(self) -> None:
simulation = simulate_hierarchical_policy_change(
parent_policy={"retention_days": 30},
current_policy={"retention_days": 30},
patch={"retention_days": 45},
field_keys=("retention_days",),
parent_allow_lower_level_limits={"retention_days": True},
restriction_rules=(
PolicyRestrictionRule(
field="retention_days",
is_more_restrictive_or_equal=lambda parent, requested: int(requested) <= int(parent),
less_restrictive_message="retention_days cannot be widened",
),
),
)
self.assertFalse(simulation.allowed)
self.assertEqual(("retention_days",), simulation.changed_fields)
self.assertIsNotNone(simulation.decision)
self.assertEqual(("retention_days",), simulation.decision.requirements)
self.assertEqual("Requested policy change is blocked by parent policy constraints.", simulation.decision.reason)
if __name__ == "__main__":
unittest.main()