Merge branch 'phpunit' into 'dev'

Phpunit

See merge request !100

.gitignore

 tools/
 phpstan.neon
+.phpunit.result.cache

.phive/phars.xml

 <?xml version="1.0" encoding="UTF-8"?>
 <phive xmlns="https://phar.io/phive">
   <phar name="phpstan" version="1.10.60" installed="1.10.60" location="./tools/phpstan" copy="false"/>
+  <phar name="phpunit" version="^10.5.16" installed="10.5.16" location="./tools/phpunit" copy="false"/>
 </phive>

phpunit.dist.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<phpunit bootstrap="tests/phpunit-bootstrap.php">
+  <testsuites>
+    <testsuite name="Unit Tests">
+      <directory>tests/unit</directory>
+    </testsuite>
+  </testsuites> 
+</phpunit>
+

tests/phpunit-bootstrap.php

+<?php
+
+if (!defined('QUIQQER_SYSTEM')) {
+    define('QUIQQER_SYSTEM', true);
+}
+
+if (!defined('QUIQQER_AJAX')) {
+    define('QUIQQER_AJAX', true);
+}
+
+require_once __DIR__ . '/../../../../bootstrap.php';

tests/unit/TestTest.php

+<?php
+
+namespace QUI;
+
+use PHPUnit\Framework\TestCase;
+
+class TestTest extends TestCase
+{
+    public function testConstructorCreatesFolder()
+    {
+        $this->assertFalse(\QUI\Test\Test::onUserGetAvatar(\QUI::getUsers()->getSystemUser()));
+    }
+}