feat: configurable branding, private preferences, city photo cards and database backups

test_backups.py

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+import datetime as dt
+from contextlib import closing
+import sqlite3
+import unittest
+from unittest.mock import patch
+from test_app import app
+import test_households as fixture
+from backups import Backups
+
+
+class BackupTests(unittest.TestCase):
+    setUp=fixture.HouseholdTests.setUp
+    stop_server=fixture.HouseholdTests.stop_server
+    request=fixture.HouseholdTests.request
+
+    def source_file(self):
+        with closing(sqlite3.connect(app.DATA/'vision.db')) as dest:app.DB.backup(dest)
+        return Backups(app)
+
+    def test_backup_permissions_and_link_validation(self):
+        for user in (self.owner,self.members[self.aid]):
+            self.assertEqual(self.request('/api/backups',user)[0],403)
+            self.assertEqual(self.request('/api/backups/run',user,{})[0],403)
+        config=app.BACKUPS.config();config['networkPath']='https://pan.baidu.com/share/example'
+        self.assertEqual(self.request('/api/backups/config',self.root,config)[0],400)
+        config['networkPath']=str(app.DATA)
+        self.assertEqual(self.request('/api/backups/config',self.root,config)[0],400)
+
+    def test_local_snapshot_is_integral_and_does_not_copy_active_sessions(self):
+        backup=self.source_file();before=app.DB.execute('select count(*) from sessions').fetchone()[0]
+        result=backup.run();self.assertTrue(result['localOk'],result)
+        with closing(sqlite3.connect(app.DATA/'managed-backups'/result['file'])) as copy:
+            self.assertEqual(copy.execute('pragma integrity_check').fetchone()[0],'ok')
+            self.assertEqual(copy.execute('select count(*) from users').fetchone()[0],len(app.objects('users')))
+            self.assertEqual(copy.execute('select count(*) from sessions').fetchone()[0],0)
+        self.assertEqual(app.DB.execute('select count(*) from sessions').fetchone()[0],before)
+        self.assertEqual(len(result['sha256']),64)
+
+    def test_network_failure_keeps_local_success_and_is_not_reported_as_cloud_success(self):
+        backup=self.source_file();app.set_setting('backup_config',dict(backup.config(),networkPath=str(app.DATA/'missing')))
+        result=backup.run()
+        self.assertTrue(result['localOk']);self.assertFalse(result['networkOk']);self.assertIn('error',result)
+
+    def test_network_copy_checksum_and_retention_only_touch_owned_files(self):
+        backup=self.source_file();network=app.DATA/'network';network.mkdir();unrelated=network/'keep.sqlite';unrelated.write_text('unrelated')
+        app.set_setting('backup_config',dict(backup.config(),networkPath=str(network),keep=1))
+        with patch('backups.os.path.ismount',side_effect=lambda p:p==network.resolve()):
+            first=backup.run();second=backup.run()
+        self.assertTrue(first['networkOk'],first);self.assertTrue(second['networkOk'],second)
+        self.assertTrue(unrelated.exists());self.assertFalse((network/first['file']).exists());self.assertTrue((network/second['file']).exists())
+
+    def test_daily_schedule_once_per_beijing_date_and_disabled_by_default(self):
+        backup=Backups(app);now=dt.datetime(2026,10,4,4)
+        with patch.object(backup,'start') as start:
+            self.assertFalse(backup.tick(now))
+            app.set_setting('backup_config',dict(backup.config(),enabled=True))
+            self.assertTrue(backup.tick(now));self.assertFalse(backup.tick(now))
+            self.assertTrue(backup.tick(now+dt.timedelta(days=1)));self.assertEqual(start.call_count,2)
+
+    def test_config_revision_and_busy_guard(self):
+        backup=Backups(app);data=backup.config();backup.save(data)
+        with self.assertRaises(app.Problem):backup.save(data)
+        backup.running=True
+        with self.assertRaises(app.Problem):backup.start()
+        with self.assertRaises(app.Problem):backup.save(backup.config())