DictionaryInitiatorTest.php

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<?php

declare(strict_types=1);

namespace ILIAS\MetaData\Structure\Dictionaries;

use PHPUnit\Framework\TestCase;
use ILIAS\MetaData\Paths\NullFactory;
use ILIAS\MetaData\Paths\FactoryInterface as PathFactoryInterface;
use ILIAS\MetaData\Elements\Structure\StructureSetInterface;
use ILIAS\MetaData\Elements\Structure\NullStructureSet;
use ILIAS\MetaData\Structure\Dictionaries\Tags\TagInterface;
use ILIAS\MetaData\Elements\Structure\StructureElementInterface;
use ILIAS\MetaData\Structure\Dictionaries\Tags\NullTag;
use ILIAS\MetaData\Elements\Structure\NullStructureElement;
use ILIAS\MetaData\Structure\Dictionaries\Tags\TagAssignmentInterface;
use ILIAS\MetaData\Paths\Navigator\NavigatorFactoryInterface;
use ILIAS\MetaData\Paths\Navigator\NullNavigatorFactory;

class DictionaryInitiatorTest extends TestCase
{
    protected function getDictionaryInitiator(): DictionaryInitiator
    {
        return new class () extends DictionaryInitiator {
            public function __construct()
            {
                parent::__construct(
                    new NullFactory(),
                    new NullNavigatorFactory(),
                    new NullStructureSet()
                );
            }

            public function exposeAddTagToElement(
                TagInterface $tag,
                StructureElementInterface $element
            ): void {
                parent::addTagToElement($tag, $element);
            }

            public function exposeGetTagAssignments(): \Generator
            {
                yield from parent::getTagAssignments();
            }
        };
    }

    public function testAddTagToElement(): void
    {
        $initiator = $this->getDictionaryInitiator();
        $initiator->exposeAddTagToElement(
            new NullTag(),
            new NullStructureElement()
        );
        $initiator->exposeAddTagToElement(
            new NullTag(),
            new NullStructureElement()
        );
        $assignments = $initiator->exposeGetTagAssignments();

        $this->assertInstanceOf(
            TagAssignmentInterface::class,
            $assignments->current()
        );
        $assignments->next();
        $this->assertInstanceOf(
            TagAssignmentInterface::class,
            $assignments->current()
        );
        $assignments->next();
        $this->assertNull($assignments->current());
    }
}