Add governed Files integrity operations UI

tests/test_integrity_reconciliation.py

@@ -6,6 +6,7 @@ import unittest
 from pathlib import Path
 from unittest.mock import patch
 
+from fastapi import HTTPException
 from sqlalchemy import create_engine
 from sqlalchemy.orm import sessionmaker
 
@@ -16,6 +17,7 @@ from govoplan_files.backend.db.models import (
     FileIntegrityFinding,
     FileIntegrityScan,
 )
+from govoplan_files.backend.routes.integrity import _assert_expected_revision
 from govoplan_files.backend.storage.backends import LocalFilesystemStorageBackend
 from govoplan_files.backend.storage.common import FileStorageError
 from govoplan_files.backend.storage.integrity import (
@@ -82,6 +84,7 @@ class IntegrityReconciliationTests(unittest.TestCase):
             backend=self.backend,
         )
         self.session.commit()
+        self.assertEqual(1, scan.revision)
 
         invocations = 0
         while scan.status != "completed":
@@ -99,6 +102,7 @@ class IntegrityReconciliationTests(unittest.TestCase):
                 self.fail("Integrity scan did not complete")
 
         self.assertGreater(invocations, 3)
+        self.assertEqual(1 + invocations, scan.revision)
         self.assertEqual(3, scan.scanned_blob_count)
         self.assertEqual(1, scan.verified_blob_count)
         self.assertEqual(2, scan.quarantined_blob_count)
@@ -183,6 +187,13 @@ class IntegrityReconciliationTests(unittest.TestCase):
         self.assertEqual("already_deleted", repeated.action)
         self.assertFalse(repeated.changed)
 
+    def test_stale_integrity_action_revision_is_rejected(self) -> None:
+        with self.assertRaises(HTTPException) as captured:
+            _assert_expected_revision(3, 2)
+
+        self.assertEqual(409, captured.exception.status_code)
+        self.assertIn("reload", str(captured.exception.detail).lower())
+
 
 def _blob(blob_id: str, filename: str, expected_data: bytes) -> FileBlob:
     return FileBlob(