Added more tests

tests/EventSubscriber/MaintenanceModeSubscriberTest.php

@@ -0,0 +1,103 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
+ *
+ *  Copyright (C) 2019 - 2026 Jan Böhmer (https://github.com/jbtronics)
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Affero General Public License as published
+ *  by the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Affero General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Affero General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+namespace App\Tests\EventSubscriber;
+
+use App\EventSubscriber\MaintenanceModeSubscriber;
+use App\Services\System\UpdateExecutor;
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpKernel\Event\RequestEvent;
+use Symfony\Component\HttpKernel\HttpKernelInterface;
+use Symfony\Component\HttpKernel\KernelEvents;
+
+final class MaintenanceModeSubscriberTest extends TestCase
+{
+    private function makeSubscriber(bool $maintenanceActive): MaintenanceModeSubscriber
+    {
+        $executor = $this->createMock(UpdateExecutor::class);
+        $executor->method('isMaintenanceMode')->willReturn($maintenanceActive);
+        $executor->method('getMaintenanceInfo')->willReturn(
+            $maintenanceActive ? ['reason' => 'Test update', 'enabled_at' => date('Y-m-d H:i:s')] : null
+        );
+        return new MaintenanceModeSubscriber($executor);
+    }
+
+    private function makeEvent(string $url = 'http://example.com/'): RequestEvent
+    {
+        $kernel = $this->createMock(HttpKernelInterface::class);
+        $request = Request::create($url);
+        return new RequestEvent($kernel, $request, HttpKernelInterface::MAIN_REQUEST);
+    }
+
+    public function testNoMaintenanceModeDoesNotSetResponse(): void
+    {
+        $subscriber = $this->makeSubscriber(false);
+        $event = $this->makeEvent();
+
+        $subscriber->onKernelRequest($event);
+
+        // When not in maintenance mode, no response is ever set regardless of SAPI
+        $this->assertFalse($event->hasResponse());
+    }
+
+    public function testCliRequestIsNeverBlocked(): void
+    {
+        // Tests run from CLI (PHP_SAPI === 'cli'), so maintenance mode never blocks CLI requests.
+        // This verifies the intentional behaviour: maintenance mode only affects web requests.
+        $subscriber = $this->makeSubscriber(true);
+        $event = $this->makeEvent();
+
+        $subscriber->onKernelRequest($event);
+
+        // CLI requests pass through even with maintenance active
+        $this->assertFalse($event->hasResponse());
+    }
+
+    public function testSubRequestIsIgnored(): void
+    {
+        $subscriber = $this->makeSubscriber(true);
+        $kernel = $this->createMock(HttpKernelInterface::class);
+        $request = Request::create('http://example.com/');
+        $event = new RequestEvent($kernel, $request, HttpKernelInterface::SUB_REQUEST);
+
+        $subscriber->onKernelRequest($event);
+
+        $this->assertFalse($event->hasResponse());
+    }
+
+    public function testSubscriberListensToKernelRequest(): void
+    {
+        $events = MaintenanceModeSubscriber::getSubscribedEvents();
+        $this->assertArrayHasKey(KernelEvents::REQUEST, $events);
+    }
+
+    public function testSubscriberListensWithHighPriority(): void
+    {
+        $events = MaintenanceModeSubscriber::getSubscribedEvents();
+        $config = $events[KernelEvents::REQUEST];
+        // Config is ['methodName', priority]
+        $priority = is_array($config) ? (int) ($config[1] ?? 0) : 0;
+        $this->assertGreaterThan(0, $priority, 'Maintenance subscriber should run with high priority');
+    }
+}