merged develop

test/utils/directory_size_test.dart

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+import 'dart:io';
+
+import 'package:flutter_test/flutter_test.dart';
+import 'package:marianum_mobile/utils/directory_size.dart';
+
+void main() {
+  late Directory tmp;
+
+  setUp(() => tmp = Directory.systemTemp.createTempSync('dir_size_test'));
+  tearDown(() => tmp.deleteSync(recursive: true));
+
+  test('sums files recursively', () async {
+    File('${tmp.path}/a').writeAsBytesSync(List.filled(10, 0));
+    Directory('${tmp.path}/sub').createSync();
+    File('${tmp.path}/sub/b').writeAsBytesSync(List.filled(5, 0));
+    expect(await directorySize(tmp), 15);
+  });
+
+  test('returns 0 for a missing directory', () async {
+    expect(await directorySize(Directory('${tmp.path}/missing')), 0);
+  });
+}

test/utils/recurrence_occurrences_test.dart

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+import 'package:flutter_test/flutter_test.dart';
+import 'package:marianum_mobile/utils/recurrence_occurrences.dart';
+
+void main() {
+  setUp(RecurrenceOccurrences.clear);
+
+  final anchor = DateTime.utc(2024, 9, 2, 8);
+
+  test('returns only occurrences inside the half-open range', () {
+    final hits = RecurrenceOccurrences.between(
+      'RRULE:FREQ=DAILY',
+      anchor,
+      DateTime.utc(2026, 9, 21),
+      DateTime.utc(2026, 9, 24),
+    );
+    expect(hits, [
+      DateTime.utc(2026, 9, 21, 8),
+      DateTime.utc(2026, 9, 22, 8),
+      DateTime.utc(2026, 9, 23, 8),
+    ]);
+  });
+
+  test('answers earlier ranges after a later one was expanded', () {
+    RecurrenceOccurrences.between(
+      'RRULE:FREQ=WEEKLY',
+      anchor,
+      DateTime.utc(2026, 1, 1),
+      DateTime.utc(2026, 1, 31),
+    );
+    final hits = RecurrenceOccurrences.between(
+      'RRULE:FREQ=WEEKLY',
+      anchor,
+      DateTime.utc(2024, 9, 1),
+      DateTime.utc(2024, 9, 10),
+    );
+    expect(hits, [DateTime.utc(2024, 9, 2, 8), DateTime.utc(2024, 9, 9, 8)]);
+  });
+
+  test('stops at the end of a finite series', () {
+    final hits = RecurrenceOccurrences.between(
+      'RRULE:FREQ=DAILY;COUNT=2',
+      anchor,
+      DateTime.utc(2024, 1, 1),
+      DateTime.utc(2030, 1, 1),
+    );
+    expect(hits, hasLength(2));
+  });
+}