provider_imap/tests/php/Unit/MailboxTest.php

<?php

declare(strict_types=1);

namespace KTXT\ProviderImap\Tests\Unit;

use KTXM\ProviderImap\Client\Mailbox;
use KTXM\ProviderImap\Client\Result\MailboxStatusResult;
use PHPUnit\Framework\TestCase;

final class MailboxTest extends TestCase
{
    public function testPartialStatusPreservesUnreportedValues(): void
    {
        $mailbox = new Mailbox('INBOX', '/', [], 12, 4, 123);

        $updated = $mailbox->fromStatus(new MailboxStatusResult('INBOX', ['UNSEEN' => 2]));

        $this->assertSame(12, $updated->messages());
        $this->assertSame(2, $updated->unread());
        $this->assertSame(123, $updated->uidValidity());
        $this->assertSame(4, $mailbox->unread());
    }

    public function testExplicitZeroCountsReplaceKnownCounts(): void
    {
        $mailbox = new Mailbox('INBOX', '/', [], 12, 4, 123);

        $updated = $mailbox->fromStatus(new MailboxStatusResult('INBOX', [
            'MESSAGES' => 0,
            'UNSEEN' => 0,
            'UIDVALIDITY' => 456,
        ]));

        $this->assertSame(0, $updated->messages());
        $this->assertSame(0, $updated->unread());
        $this->assertSame(456, $updated->uidValidity());
    }

    public function testEmptyStatusPreservesMailboxIncludingUnknownUidValidity(): void
    {
        foreach ([null, 123] as $uidValidity) {
            $mailbox = new Mailbox('INBOX', '/', ['\\HasNoChildren'], 12, 4, $uidValidity, 2, ['\\Seen'], false);

            $updated = $mailbox->fromStatus(new MailboxStatusResult('INBOX', []));

            $this->assertEquals($mailbox, $updated);
        }
    }
}