ldc-boutique-cnc-sable/tests/Unit/Services/IcsGeneratorServiceTest.php

<?php

declare(strict_types=1);

use App\Dto\IcsContentDto;
use App\Services\IcsGeneratorService;
use Carbon\CarbonImmutable;

it('generates a valid ICS string', function () {
    // GIVEN
    $service = new IcsGeneratorService('La Boutique de Cocotte');

    // Fix time to ensure DTSTAMP doesn't fail assertion
    CarbonImmutable::setTestNow(CarbonImmutable::create(2024, 1, 1, 10, 0, 0, 'UTC'));

    $event = new IcsContentDto(
        uid: 'test-uid@laboutiquedecocotte.fr',
        summary: 'Test Event',
        description: 'This is a test description with a comma, and a newline' . "\n",
        startsAt: CarbonImmutable::create(2024, 1, 1, 12, 0, 0, 'Europe/Paris'),
        endsAt: CarbonImmutable::create(2024, 1, 1, 12, 15, 0, 'Europe/Paris'),
        url: 'https://laboutiquedecocotte.fr'
    );

    // WHEN
    $ics = $service->generate($event);

    // THEN
    expect($ics)->toContain('BEGIN:VCALENDAR')
        ->toContain('VERSION:2.0')
        ->toContain('PRODID:-//La Boutique de Cocotte//NONSGML v1.0//EN')
        ->toContain('BEGIN:VEVENT')
        ->toContain('UID:test-uid@laboutiquedecocotte.fr')
        ->toContain('DTSTAMP:20240101T100000Z')
        // 12:00 Europe/Paris in winter is 11:00 UTC
        ->toContain('DTSTART:20240101T110000Z')
        ->toContain('DTEND:20240101T111500Z')
        ->toContain('SUMMARY:Test Event')
        ->toContain('DESCRIPTION:This is a test description with a comma\, and a newline\n')
        ->toContain('URL:https://laboutiquedecocotte.fr')
        ->toContain('END:VEVENT')
        ->toContain('END:VCALENDAR');
});