Progress SAve- downloader,blur,ghost mode(Partially) works

test/services/screen_time_service_test.dart

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+import 'package:flutter_test/flutter_test.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+import 'package:focusgram/services/screen_time_service.dart';
+
+void main() {
+  TestWidgetsFlutterBinding.ensureInitialized();
+
+  setUp(() {
+    SharedPreferences.setMockInitialValues({});
+  });
+
+  test('init loads persisted secondsByDate', () async {
+    final prefs = await SharedPreferences.getInstance();
+    await prefs.setString(
+      ScreenTimeService.prefKey,
+      '{"2026-01-01": 42, "2026-01-02": 7}',
+    );
+
+    final s = ScreenTimeService();
+    await s.init();
+
+    expect(s.secondsByDate['2026-01-01'], 42);
+    expect(s.secondsByDate['2026-01-02'], 7);
+  });
+
+  test('resetAll clears stored data and in-memory map', () async {
+    final prefs = await SharedPreferences.getInstance();
+    await prefs.setString(ScreenTimeService.prefKey, '{"2026-01-01": 42}');
+
+    final s = ScreenTimeService();
+    await s.init();
+    expect(s.secondsByDate.isNotEmpty, isTrue);
+
+    await s.resetAll();
+    expect(s.secondsByDate, isEmpty);
+
+    final raw = prefs.getString(ScreenTimeService.prefKey);
+    expect(raw, isNull);
+  });
+
+  test('startTracking increments today seconds and stopTracking persists', () async {
+    final s = ScreenTimeService();
+    await s.init();
+
+    final beforeTodayKey = DateTime.now();
+    final todayKey =
+        '${beforeTodayKey.year.toString().padLeft(4, '0')}-'
+        '${beforeTodayKey.month.toString().padLeft(2, '0')}-'
+        '${beforeTodayKey.day.toString().padLeft(2, '0')}';
+
+    s.startTracking();
+
+    // Wait ~2 seconds (test is unit-ish; still acceptable).
+    await Future<void>.delayed(const Duration(seconds: 2));
+
+    s.stopTracking();
+
+    expect(s.secondsByDate[todayKey], isNotNull);
+    expect(s.secondsByDate[todayKey]!, greaterThanOrEqualTo(2));
+
+    final prefs = await SharedPreferences.getInstance();
+    final stored = prefs.getString(ScreenTimeService.prefKey);
+    expect(stored, isNotNull);
+    expect(stored, contains(todayKey));
+  });
+}