twyrael/tests/HomeTest.php

<?php
use PHPUnit\Framework\TestCase;
class HomeTest extends TestCase
{
    public function testRegexMention()
    {
        $text = 'Salut @nathan';
        $mentions = array();
        preg_match_all("~@([a-zA-Z0-9_]*)~", $text, $mentions);
        self::assertEquals($mentions[0][0], "@nathan");
    }
    public function testRegexHashtag()
    {
        $text = 'Salut #nathan';
        $mentions = array();
        preg_match_all("~#([a-zA-Z0-9_]*)~", $text, $mentions);
        self::assertEquals($mentions[0][0], "#nathan");
    }
}