Schema 11: Playlists.cloudId fuer die einseitige Sicherung

2026-08-27 13:31:33 +02:00
parent 11a01d1a09
commit 3cd88565ec
3 changed files with 166 additions and 5 deletions
@@ -0,0 +1,57 @@
+import 'package:drift/drift.dart' show Migrator;
+import 'package:drift/native.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:melo/library/database.dart';
+
+void main() {
+  test('Bestandsdaten überleben die neue Spalte', () async {
+    final db = MeloDb(NativeDatabase.memory());
+    addTearDown(db.close);
+
+    // Den Stand von Schema 10 nachbauen: Tabelle ohne cloud_id, mit Daten.
+    await db.customStatement('DROP TABLE playlist_songs');
+    await db.customStatement('DROP TABLE playlists');
+    await db.customStatement(
+      'CREATE TABLE playlists ('
+      'id TEXT NOT NULL, '
+      'name TEXT NOT NULL, '
+      'description TEXT NULL, '
+      'created_at_ms INTEGER NOT NULL, '
+      'updated_at_ms INTEGER NOT NULL, '
+      'deleted INTEGER NOT NULL DEFAULT 0, '
+      'PRIMARY KEY (id))',
+    );
+    await db.customStatement(
+      "INSERT INTO playlists (id, name, created_at_ms, updated_at_ms) "
+      "VALUES ('alt-1', 'Road Trip', 0, 0)",
+    );
+
+    await Migrator(db).addColumn(db.playlists, db.playlists.cloudId);
+
+    final rows = await db.select(db.playlists).get();
+    expect(rows.single.name, 'Road Trip');
+    expect(rows.single.cloudId, isNull);
+  });
+
+  test('setPlaylistCloudId merkt sich die Server-ID', () async {
+    final db = MeloDb(NativeDatabase.memory());
+    addTearDown(db.close);
+
+    final id = await db.createPlaylist('Mix');
+    await db.setPlaylistCloudId(id, '42');
+
+    expect((await db.playlistById(id))!.cloudId, '42');
+  });
+
+  test('countPlaylists zählt auch Grabsteine', () async {
+    final db = MeloDb(NativeDatabase.memory());
+    addTearDown(db.close);
+
+    final id = await db.createPlaylist('Mix');
+    await db.deletePlaylist(id);
+
+    // Sonst hielte die Wiederherstellung ein Gerät, auf dem der Nutzer alle
+    // Playlisten gelöscht hat, für eine Neuinstallation.
+    expect(await db.countPlaylists(), 1);
+  });
+}