yumi-flutter/test/sc_conversation_time_formatter_test.dart

import 'package:flutter_test/flutter_test.dart';
import 'package:yumi/shared/tools/sc_conversation_time_formatter.dart';

void main() {
  group('SCConversationTimeFormatter.format', () {
    final now = DateTime(2026, 7, 14, 16, 30);

    test('shows the full date for a different year', () {
      expect(
        SCConversationTimeFormatter.format(
          DateTime(2025, 12, 31, 23, 59),
          now: now,
        ),
        '2025-12-31',
      );
    });

    test('shows month, day, and time for another day this year', () {
      expect(
        SCConversationTimeFormatter.format(
          DateTime(2026, 7, 13, 8, 5),
          now: now,
        ),
        '07-13 08.05',
      );
    });

    test('shows only the time for today', () {
      expect(
        SCConversationTimeFormatter.format(
          DateTime(2026, 7, 14, 8, 5),
          now: now,
        ),
        '08.05',
      );
    });
  });
}