EnumNode example

use PHPUnit\Framework\TestCase;
use Symfony\Component\Config\Definition\EnumNode;
use Symfony\Component\Config\Definition\Exception\InvalidConfigurationException;
use Symfony\Component\Config\Tests\Fixtures\TestEnum;
use Symfony\Component\Config\Tests\Fixtures\TestEnum2;

class EnumNodeTest extends TestCase
{
    public function testFinalizeValue()
    {
        $node = new EnumNode('foo', null, ['foo', 'bar', TestEnum::Bar]);
        $this->assertSame('foo', $node->finalize('foo'));
        $this->assertSame(TestEnum::Bar, $node->finalize(TestEnum::Bar));
    }

    public function testConstructionWithNoValues()
    {
        $this->expectException(\InvalidArgumentException::class);
        $this->expectExceptionMessage('$values must contain at least one element.');
        new EnumNode('foo', null, []);
    }

    

/** * Instantiate a Node. * * @throws \RuntimeException */
    protected function instantiateNode(): EnumNode
    {
        if (!isset($this->values)) {
            throw new \RuntimeException('You must call ->values() on enum nodes.');
        }

        return new EnumNode($this->name, $this->parent, $this->values, $this->pathSeparator);
    }
}