breadcrumb-the-shire/tests/Service/Settings/SettingCacheServiceTest.php

<?php

namespace MintyPHP\Tests\Service\Settings;

use MintyPHP\Service\Settings\SettingCacheService;
use PHPUnit\Framework\TestCase;

class SettingCacheServiceTest extends TestCase
{
    public function testGetReturnsNullForMissingKey(): void
    {
        $file = $this->tempFilePath();
        file_put_contents($file, "<?php\nreturn ['app_title' => 'Demo'];\n");

        $service = new SettingCacheService($file);
        $this->assertNull($service->get('missing'));
    }

    public function testUpdateWritesAndNormalizesValues(): void
    {
        $file = $this->tempFilePath();
        file_put_contents($file, "<?php\nreturn ['app_title' => 'Old'];\n");

        $service = new SettingCacheService($file);
        $this->assertTrue($service->update([
            'app_title' => 'New',
            'app_locale' => null,
        ]));

        $this->assertSame('New', $service->get('app_title'));
        $this->assertNull($service->get('app_locale'));
    }

    private function tempFilePath(): string
    {
        $dir = sys_get_temp_dir() . '/mintyphp_settings_cache_test_' . bin2hex(random_bytes(6));
        mkdir($dir, 0775, true);
        $file = $dir . '/settings.php';

        $this->addToAssertionCount(1);
        $this->assertDirectoryExists($dir);

        return $file;
    }
}