php-ml/tests/Phpml/Tokenization/WhitespaceTokenizerTest.php

<?php

declare(strict_types=1);

namespace Phpml\Tests\Tokenization;

use Phpml\Tokenization\WhitespaceTokenizer;
use PHPUnit\Framework\TestCase;

class WhitespaceTokenizerTest extends TestCase
{
    public function testTokenizationOnAscii(): void
    {
        $tokenizer = new WhitespaceTokenizer();

        $text = 'Lorem ipsum dolor sit amet, consectetur   adipiscing elit.
                 Cras consectetur, dui et lobortis auctor. 
                 Nulla vitae  congue lorem.';

        $tokens = ['Lorem', 'ipsum', 'dolor', 'sit', 'amet,', 'consectetur', 'adipiscing', 'elit.',
                 'Cras', 'consectetur,', 'dui', 'et', 'lobortis', 'auctor.',
                 'Nulla', 'vitae', 'congue', 'lorem.', ];

        $this->assertEquals($tokens, $tokenizer->tokenize($text));
    }

    public function testTokenizationOnUtf8(): void
    {
        $tokenizer = new WhitespaceTokenizer();

        $text = '鋍鞎 鳼 鞮鞢騉 袟袘觕, 炟砏 蒮 謺貙蹖 偢偣唲 蒛 箷箯緷 鑴鱱爧 覮轀,
                 剆坲 煘煓瑐 鬐鶤鶐 飹勫嫢 銪 餀 枲柊氠 鍎鞚韕 焲犈,
                 殍涾烰 齞齝囃 蹅輶 鄜, 孻憵 擙樲橚 藒襓謥 岯岪弨 蒮 廞徲 孻憵懥 趡趛踠 槏';

        $tokens = ['鋍鞎', '鳼', '鞮鞢騉', '袟袘觕,', '炟砏', '蒮', '謺貙蹖', '偢偣唲', '蒛', '箷箯緷', '鑴鱱爧', '覮轀,',
                  '剆坲', '煘煓瑐', '鬐鶤鶐', '飹勫嫢', '銪', '餀', '枲柊氠', '鍎鞚韕', '焲犈,',
                  '殍涾烰', '齞齝囃', '蹅輶', '鄜,', '孻憵', '擙樲橚', '藒襓謥', '岯岪弨', '蒮', '廞徲', '孻憵懥', '趡趛踠', '槏', ];

        $this->assertEquals($tokens, $tokenizer->tokenize($text));
    }
}