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<?php
declare(strict_types=1);
/*
* This file is part of the league/commonmark package.
*
* (c) Colin O'Dell <colinodell@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace League\CommonMark\Tests\Unit\Extension\HeadingPermalink;
use League\CommonMark\Environment\Environment;
use League\CommonMark\Environment\EnvironmentInterface;
use League\CommonMark\Event\DocumentParsedEvent;
use League\CommonMark\Extension\CommonMark\Node\Block\Heading;
use League\CommonMark\Extension\HeadingPermalink\HeadingPermalink;
use League\CommonMark\Extension\HeadingPermalink\HeadingPermalinkExtension;
use League\CommonMark\Extension\HeadingPermalink\HeadingPermalinkProcessor;
use League\CommonMark\Node\Block\Document;
use League\CommonMark\Node\Inline\Text;
use League\CommonMark\Normalizer\TextNormalizerInterface;
use League\Config\Exception\InvalidConfigurationException;
use PHPUnit\Framework\TestCase;
final class HeadingPermalinkProcessorTest extends TestCase
{
public function testUsesDefaultSlugNormalizer(): void
{
$processor = new HeadingPermalinkProcessor();
$processor->setEnvironment($this->createEnvironment());
$document = new Document();
$document->appendChild($heading = new Heading(1));
$heading->appendChild(new Text('Test Heading'));
$event = new DocumentParsedEvent($document);
$processor($event);
$headingLink = $document->firstChild()->firstChild();
\assert($headingLink instanceof HeadingPermalink);
$this->assertSame('test-heading', $headingLink->getSlug());
}
public function testCustomSlugNormalizerOption(): void
{
$processor = new HeadingPermalinkProcessor();
$overridingSlugNormalizer = new class () implements TextNormalizerInterface {
/**
* {@inheritDoc}
*/
public function normalize(string $text, $context = null): string
{
return 'slug-via-config';
}
};
$processor->setEnvironment($this->createEnvironment([
'slug_normalizer' => [
'instance' => $overridingSlugNormalizer,
],
]));
$document = new Document();
$document->appendChild($heading = new Heading(1));
$heading->appendChild(new Text('Test Heading'));
$event = new DocumentParsedEvent($document);
$processor($event);
$headingLink = $document->firstChild()->firstChild();
\assert($headingLink instanceof HeadingPermalink);
$this->assertSame('slug-via-config', $headingLink->getSlug());
}
public function testInvalidSlugNormalizerOption(): void
{
$this->expectException(InvalidConfigurationException::class);
$processor = new HeadingPermalinkProcessor();
$processor->setEnvironment($this->createEnvironment([
'slug_normalizer' => [
'instance' => static function (string $text): string {
return \md5($text);
},
],
]));
}
public function testDuplicateSlugsAreMadeUnique(): void
{
$processor = new HeadingPermalinkProcessor();
$processor->setEnvironment($this->createEnvironment());
$document = new Document();
$document->appendChild($heading1 = new Heading(1));
$heading1->appendChild(new Text('Test Heading'));
$document->appendChild($heading2 = new Heading(1));
$heading2->appendChild(new Text('Test Heading'));
$document->appendChild($heading3 = new Heading(1));
$heading3->appendChild(new Text('Test Heading 1'));
$document->appendChild($heading4 = new Heading(1));
$heading4->appendChild(new Text('Test Heading'));
$event = new DocumentParsedEvent($document);
$processor($event);
$headingLink1 = $heading1->firstChild();
\assert($headingLink1 instanceof HeadingPermalink);
$this->assertSame('test-heading', $headingLink1->getSlug());
$headingLink2 = $heading2->firstChild();
\assert($headingLink2 instanceof HeadingPermalink);
$this->assertSame('test-heading-1', $headingLink2->getSlug());
$headingLink3 = $heading3->firstChild();
\assert($headingLink3 instanceof HeadingPermalink);
$this->assertSame('test-heading-1-1', $headingLink3->getSlug());
$headingLink4 = $heading4->firstChild();
\assert($headingLink4 instanceof HeadingPermalink);
$this->assertSame('test-heading-2', $headingLink4->getSlug());
}
/**
* @param array<string, mixed> $values
*/
private function createEnvironment(array $values = []): EnvironmentInterface
{
$environment = new Environment($values);
$environment->addExtension(new HeadingPermalinkExtension());
return $environment;
}
}
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