ConfigDataCollector example

use Symfony\Component\Config\Loader\LoaderInterface;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\HttpKernel\DataCollector\ConfigDataCollector;
use Symfony\Component\HttpKernel\Kernel;

class ConfigDataCollectorTest extends TestCase
{
    public function testCollect()
    {
        $kernel = new KernelForTest('test', true);
        $c = new ConfigDataCollector();
        $c->setKernel($kernel);
        $c->collect(new Request(), new Response());

        $this->assertSame('test', $c->getEnv());
        $this->assertTrue($c->isDebug());
        $this->assertSame('config', $c->getName());
        $this->assertMatchesRegularExpression('~^'.preg_quote($c->getPhpVersion(), '~').'~', \PHP_VERSION);
        $this->assertMatchesRegularExpression('~'.preg_quote((string) $c->getPhpVersionExtra(), '~').'$~', \PHP_VERSION);
        $this->assertSame(\PHP_INT_SIZE * 8, $c->getPhpArchitecture());
        $this->assertSame(class_exists(\Locale::class, false) && \Locale::getDefault() ? \Locale::getDefault() : 'n/a', $c->getPhpIntlLocale());
        $this->assertSame(date_default_timezone_get(), $c->getPhpTimezone());