liyaoyu
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pfhwyigou


			
				
					
						
						
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							<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\DomCrawler\Tests\Test\Constraint;

use PHPUnit\Framework\ExpectationFailedException;
use PHPUnit\Framework\TestCase;
use PHPUnit\Framework\TestFailure;
use Symfony\Component\DomCrawler\Crawler;
use Symfony\Component\DomCrawler\Test\Constraint\CrawlerSelectorExists;

class CrawlerSelectorExistsTest extends TestCase
{
    public function testConstraint(): void
    {
        $constraint = new CrawlerSelectorExists('title');
        $this->assertTrue($constraint->evaluate(new Crawler('<html><head><title>'), '', true));
        $constraint = new CrawlerSelectorExists('h1');
        $this->assertFalse($constraint->evaluate(new Crawler('<html><head><title>'), '', true));

        try {
            $constraint->evaluate(new Crawler('<html><head><title>'));
        } catch (ExpectationFailedException $e) {
            $this->assertEquals("Failed asserting that the Crawler matches selector \"h1\".\n", TestFailure::exceptionToString($e));

            return;
        }

        $this->fail();
    }
}