<?php

namespace Tests\Unit\Services\ClassProgress;

use App\Services\ClassProgress\ClassProgressRuleService;
use PHPUnit\Framework\TestCase;

class ClassProgressRuleServiceTest extends TestCase
{
    public function test_build_unit_chapter_summary_limits_length(): void
    {
        $service = new ClassProgressRuleService();

        $summary = $service->buildUnitChapterSummary(['Unit 1'], ['Chapter A']);

        $this->assertSame('Unit 1 / Chapter A', $summary);
    }

    public function test_ensure_week_end_defaults_to_six_days(): void
    {
        $service = new ClassProgressRuleService();

        $weekEnd = $service->ensureWeekEnd('2025-09-07', null);

        $this->assertSame('2025-09-13', $weekEnd);
    }
}