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<?php
namespace Erusev\Parsedown\Tests;
use Erusev\Parsedown\Html\Renderables\Element;
use PHPUnit\Framework\Attributes\RequiresPhpunit;
/**
* Test Parsedown against the CommonMark spec, but less aggressive
*
* The resulting HTML markup is cleaned up before comparison, so examples
* which would normally fail due to actually invisible differences (e.g.
* superfluous whitespaces), don't fail. However, cleanup relies on block
* element detection. The detection doesn't work correctly when a element's
* `display` CSS property is manipulated. According to that this test is only
* a interim solution on Parsedown's way to full CommonMark compatibility.
*
* @link http://commonmark.org/ CommonMark
*/
class CommonMarkTestWeak extends CommonMarkTestStrict
{
/** @var string */
protected $textLevelElementRegex;
/**
* @param string|null $name
* @param array $data
* @param string $dataName
*/
public function __construct($name = null, array $data = [], $dataName = '')
{
$textLevelElements = \array_keys(Element::TEXT_LEVEL_ELEMENTS);
$textLevelElements = \array_map(
function ($e) { return \preg_quote($e, '/'); },
$textLevelElements
);
$this->textLevelElementRegex = '\b(?:' . \implode('|', $textLevelElements) . ')\b';
parent::__construct($name, $data, $dataName);
}
/**
* @dataProvider data
* @param int $_
* @param string $__
* @param string $markdown
* @param string $expectedHtml
* @return void
* @throws \PHPUnit\Framework\AssertionFailedError
* @throws \SebastianBergmann\RecursionContext\InvalidArgumentException
*/
#[RequiresPhpunit('< 11')]
public function testExample($_, $__, $markdown, $expectedHtml)
{
$expectedHtml = $this->cleanupHtml($expectedHtml);
$actualHtml = $this->Parsedown->toHtml($markdown);
$actualHtml = $this->cleanupHtml($actualHtml);
$this->assertEquals($expectedHtml, $actualHtml);
}
/**
* @param string $markup
* @return string
*/
protected function cleanupHtml($markup)
{
// invisible whitespaces at the beginning and end of block elements
// however, whitespaces at the beginning of <pre> elements do matter
$markup = \preg_replace(
[
'/(<(?!(?:' . $this->textLevelElementRegex . '|\bpre\b))\w+\b[^>]*>(?:<' . $this->textLevelElementRegex . '[^>]*>)*)\s+/s',
'/\s+((?:<\/' . $this->textLevelElementRegex . '>)*<\/(?!' . $this->textLevelElementRegex . ')\w+\b>)/s'
],
'$1',
$markup
);
return $markup;
}
}
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