Classes List

Symfony\Component\CssSelector\Tests\Parser\TokenStreamTest

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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\CssSelector\Tests\Parser;

use PHPUnit\Framework\TestCase;
use Symfony\Component\CssSelector\Parser\Token;
use Symfony\Component\CssSelector\Parser\TokenStream;

class TokenStreamTest extends TestCase
{
    public function testGetNext()
    {
        $stream = new TokenStream();
        $stream->push($t1 = new Token(Token::TYPE_IDENTIFIER'h1'0));
        $stream->push($t2 = new Token(Token::TYPE_DELIMITER'.'2));
        $stream->push($t3 = new Token(Token::TYPE_IDENTIFIER'title'3));

        $this->assertSame($t1$stream->getNext());
        $this->assertSame($t2$stream->getNext());
        $this->assertSame($t3$stream->getNext());
    }

    public function testGetPeek()
    {
        $stream = new TokenStream();
        $stream->push($t1 = new Token(Token::TYPE_IDENTIFIER'h1'0));
        $stream->push($t2 = new Token(Token::TYPE_DELIMITER'.'2));
        $stream->push($t3 = new Token(Token::TYPE_IDENTIFIER'title'3));

        $this->assertSame($t1$stream->getPeek());
        $this->assertSame($t1$stream->getNext());
        $this->assertSame($t2$stream->getPeek());
        $this->assertSame($t2$stream->getPeek());
        $this->assertSame($t2$stream->getNext());
    }

    public function testGetNextIdentifier()
    {
        $stream = new TokenStream();
        $stream->push(new Token(Token::TYPE_IDENTIFIER'h1'0));

        $this->assertEquals('h1'$stream->getNextIdentifier());
    }

    public function testFailToGetNextIdentifier()
    {
        $this->{method_exists($this$_ = 'expectException') ? $_ : 'setExpectedException'}('Symfony\Component\CssSelector\Exception\SyntaxErrorException');

        $stream = new TokenStream();
        $stream->push(new Token(Token::TYPE_DELIMITER'.'2));
        $stream->getNextIdentifier();
    }

    public function testGetNextIdentifierOrStar()
    {
        $stream = new TokenStream();

        $stream->push(new Token(Token::TYPE_IDENTIFIER'h1'0));
        $this->assertEquals('h1'$stream->getNextIdentifierOrStar());

        $stream->push(new Token(Token::TYPE_DELIMITER'*'0));
        $this->assertNull($stream->getNextIdentifierOrStar());
    }

    public function testFailToGetNextIdentifierOrStar()
    {
        $this->{method_exists($this$_ = 'expectException') ? $_ : 'setExpectedException'}('Symfony\Component\CssSelector\Exception\SyntaxErrorException');

        $stream = new TokenStream();
        $stream->push(new Token(Token::TYPE_DELIMITER'.'2));
        $stream->getNextIdentifierOrStar();
    }

    public function testSkipWhitespace()
    {
        $stream = new TokenStream();
        $stream->push($t1 = new Token(Token::TYPE_IDENTIFIER'h1'0));
        $stream->push($t2 = new Token(Token::TYPE_WHITESPACE' '2));
        $stream->push($t3 = new Token(Token::TYPE_IDENTIFIER'h1'3));

        $stream->skipWhitespace();
        $this->assertSame($t1$stream->getNext());

        $stream->skipWhitespace();
        $this->assertSame($t3$stream->getNext());
    }
}