WP-LIT-MCP/tests/Unit/Integrations/Divi/BlockTree/SerializerTest.php

<?php

declare(strict_types=1);

namespace LIT\MCP\Tests\Unit\Integrations\Divi\BlockTree;

use LIT\MCP\Integrations\Divi\BlockTree\Block;
use LIT\MCP\Integrations\Divi\BlockTree\Document;
use LIT\MCP\Integrations\Divi\BlockTree\Parser;
use LIT\MCP\Integrations\Divi\BlockTree\Serializer;
use PHPUnit\Framework\TestCase;
use stdClass;

final class SerializerTest extends TestCase
{
    public function testEscapesAttributesLikeWordPress(): void
    {
        $variable = '$variable({"type":"color","value":{"name":"gcid-primary-color","settings":{}}})$';

        self::assertSame(
            '{"c":"$variable({\u0022type\u0022:\u0022color\u0022,\u0022value\u0022:{\u0022name\u0022:'
                . '\u0022gcid-primary-color\u0022,\u0022settings\u0022:{}}})$"}',
            Serializer::attributes(['c' => $variable])
        );
        self::assertSame(
            '{"t":"\u003cp\u003eA \u0026 B\u003c/p\u003e \u002d\u002d \u005c/ ä","e":{},"l":[]}',
            Serializer::attributes(['t' => '<p>A & B</p> -- \\/ ä', 'e' => new stdClass(), 'l' => []])
        );
    }

    public function testRegeneratesOnlyTheChangedOpener(): void
    {
        $content = '<!-- wp:divi/section {"b":1}  --><!-- wp:divi/text   {"x":"y"} /--><!-- /wp:divi/section -->';
        $document = (new Parser())->parse($content);
        $text = $document->children()[0]->children()[0];

        $text->setAttrs(['x' => 'z']);

        self::assertSame(
            '<!-- wp:divi/section {"b":1}  --><!-- wp:divi/text {"x":"z"} /--><!-- /wp:divi/section -->',
            Serializer::document($document)
        );
    }

    public function testNewBlocksAreWrittenAsPairs(): void
    {
        $block = Block::create('divi/row', ['builderVersion' => '5.2.1'], [Block::create('divi/column')]);

        self::assertSame(
            '<!-- wp:divi/row {"builderVersion":"5.2.1"} --><!-- wp:divi/column --><!-- /wp:divi/column -->'
                . '<!-- /wp:divi/row -->',
            Serializer::block($block)
        );
        self::assertSame('<!-- wp:paragraph --><!-- /wp:paragraph -->', Serializer::block(Block::create('core/paragraph')));
    }

    public function testVoidBlockGettingAChildBecomesAPair(): void
    {
        $document = (new Parser())->parse('<!-- wp:divi/column {"a":1} /-->');
        $column = $document->children()[0];

        $column->insertChild(0, Block::create('divi/text'));

        self::assertSame(
            '<!-- wp:divi/column {"a":1} --><!-- wp:divi/text --><!-- /wp:divi/text --><!-- /wp:divi/column -->',
            Serializer::document($document)
        );
    }

    public function testInsertAndRemoveKeepSurroundingText(): void
    {
        $document = (new Parser())->parse("A<!-- wp:divi/text /-->\nB<!-- wp:divi/code /-->C");
        [$text, $code] = $document->children();
        $new = Block::create('divi/button');

        $document->insertChild(1, $new);
        self::assertSame(
            "A<!-- wp:divi/text /-->\nB<!-- wp:divi/button --><!-- /wp:divi/button --><!-- wp:divi/code /-->C",
            Serializer::document($document)
        );
        self::assertSame(2, $document->removeChild($code));
        self::assertSame(0, $document->indexOf($text));
        $document->insertChild(99, $code);
        self::assertSame(2, $document->indexOf($code));

        $empty = new Document();
        $empty->append("\n");
        $empty->insertChild(0, Block::create('divi/section'));
        self::assertSame("\n<!-- wp:divi/section --><!-- /wp:divi/section -->", Serializer::document($empty));
    }

    public function testCopyIsDeepAndSerializesIdentically(): void
    {
        $content = '<!-- wp:divi/row {"a":1} --><!-- wp:divi/column /--><!-- /wp:divi/row -->';
        $row = (new Parser())->parse($content)->children()[0];
        $copy = $row->copy();

        $copy->children()[0]->setAttrs(['b' => 2]);

        self::assertSame($content, Serializer::block($row));
        self::assertSame('<!-- wp:divi/row {"a":1} --><!-- wp:divi/column {"b":2} /--><!-- /wp:divi/row -->', Serializer::block($copy));
    }
}