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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\Mention\Generator;
use League\CommonMark\Exception\LogicException;
use League\CommonMark\Extension\CommonMark\Node\Inline\Emphasis;
use League\CommonMark\Extension\Mention\Generator\CallbackGenerator;
use League\CommonMark\Extension\Mention\Mention;
use League\CommonMark\Node\Inline\Text;
use PHPUnit\Framework\TestCase;
final class CallbackGeneratorTest extends TestCase
{
public function testWithStringReturn(): void
{
$generator = new CallbackGenerator(static function (Mention $mention) {
// Stuff the three params into the URL just to prove we received them all properly
$mention->setUrl(\sprintf('https://www.example.com/%s/%s/%s', $mention->getIdentifier(), $mention->getLabel(), $mention->getPrefix()));
// Change the label
$mention->setLabel('New Label');
return $mention;
});
$mention = $generator->generateMention(new Mention('test', '@', 'colinodell'));
$this->assertSame('https://www.example.com/colinodell/@colinodell/@', $mention->getUrl());
$label = $mention->firstChild();
\assert($label instanceof Text);
$this->assertSame('New Label', $label->getLiteral());
}
public function testWithNullReturn(): void
{
$generator = new CallbackGenerator(static function (Mention $mention) {
return null;
});
$mention = $generator->generateMention(new Mention('test', '@', 'colinodell'));
$this->assertNull($mention);
}
public function testWithAbstractInlineReturn(): void
{
$emphasis = new Emphasis('_');
$emphasis->appendChild(new Text('[members only]'));
$generator = new CallbackGenerator(static function (Mention $mention) use ($emphasis) {
// Pretend callback does some access logic to determine visibility.
return $emphasis;
});
$mention = $generator->generateMention(new Mention('test', '@', 'colinodell'));
$this->assertSame($emphasis, $mention);
$label = $mention->firstChild();
\assert($label instanceof Text);
$this->assertSame('[members only]', $label->getLiteral());
}
public function testWithNoUrlMentionReturn(): void
{
$this->expectException(LogicException::class);
$generator = new CallbackGenerator(static function (Mention $mention) {
// This ensures that if the URL is not set, but the mention is
// returned (which is inherited from AbstractInline, then an
// exception is properly thrown.
return $mention;
});
$generator->generateMention(new Mention('test', '@', 'colinodell'));
}
public function testWithNewMentionButNoUrlReturn(): void
{
$this->expectException(LogicException::class);
$generator = new CallbackGenerator(static function (Mention $mention) {
// Test what happens when returning a new mention without a URL
return new Mention('test', '@', 'foo');
});
$generator->generateMention(new Mention('test', '@', 'colinodell'));
}
public function testWithInvalidReturn(): void
{
$this->expectException(LogicException::class);
$generator = new CallbackGenerator(static function () {
return new \stdClass(); // something that is not a string or null
});
$generator->generateMention(new Mention('test', '@', 'colinodell'));
}
}
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