BookStack/tests/TestCase.php

<?php

use Illuminate\Foundation\Testing\DatabaseTransactions;

class TestCase extends Illuminate\Foundation\Testing\TestCase
{

    use DatabaseTransactions;

    /**
     * The base URL to use while testing the application.
     *
     * @var string
     */
    protected $baseUrl = 'http://localhost';
    private $admin;

    /**
     * Creates the application.
     *
     * @return \Illuminate\Foundation\Application
     */
    public function createApplication()
    {
        $app = require __DIR__.'/../bootstrap/app.php';

        $app->make(Illuminate\Contracts\Console\Kernel::class)->bootstrap();

        return $app;
    }

    public function asAdmin()
    {
        if($this->admin === null) {
            $this->admin = \BookStack\User::find(1);
        }
        return $this->actingAs($this->admin);
    }

    /**
     * Quickly sets an array of settings.
     * @param $settingsArray
     */
    protected function setSettings($settingsArray)
    {
        $settings = app('BookStack\Services\SettingService');
        foreach ($settingsArray as $key => $value) {
            $settings->put($key, $value);
        }
    }

    /**
     * Assert that a given string is seen inside an element.
     *
     * @param  bool|string|null $element
     * @param  integer          $position
     * @param  string           $text
     * @param  bool             $negate
     * @return $this
     */
    protected function seeInNthElement($element, $position, $text, $negate = false)
    {
        $method = $negate ? 'assertNotRegExp' : 'assertRegExp';

        $rawPattern = preg_quote($text, '/');

        $escapedPattern = preg_quote(e($text), '/');

        $content = $this->crawler->filter($element)->eq($position)->html();

        $pattern = $rawPattern == $escapedPattern
            ? $rawPattern : "({$rawPattern}|{$escapedPattern})";

        $this->$method("/$pattern/i", $content);

        return $this;
    }
}