tests

Magesail/Test/Unit/Plugin/FrontController/EnsureTunnelParamPluginTest.php

@@ -0,0 +1,62 @@
+<?php
+
+declare(strict_types=1);
+
+namespace MageSail\Magesail\Test\Unit\Plugin\FrontController;
+
+use MageSail\Magesail\Plugin\FrontController\EnsureTunnelParamPlugin;
+use Magento\Framework\App\FrontController;
+use Magento\Framework\App\Request\Http;
+use PHPUnit\Framework\TestCase;
+
+class EnsureTunnelParamPluginTest extends TestCase
+{
+    /** @var array<string, mixed> */
+    private array $backupGet = [];
+
+    /** @var array<string, mixed> */
+    private array $backupServer = [];
+
+    protected function setUp(): void
+    {
+        parent::setUp();
+        $this->backupGet = $_GET;
+        $this->backupServer = $_SERVER;
+    }
+
+    protected function tearDown(): void
+    {
+        $_GET = $this->backupGet;
+        $_SERVER = $this->backupServer;
+        parent::tearDown();
+    }
+
+    public function testSetsParamFromGetSuperglobal(): void
+    {
+        $_GET = ['magesail_store' => 'from_get'];
+        $plugin = new EnsureTunnelParamPlugin();
+        $request = new Http();
+        self::assertNull($request->getParam('magesail_store'));
+        $called = false;
+        $proceed = static function ($req) use (&$called) {
+            $called = true;
+
+            return 'ok';
+        };
+        $result = $plugin->aroundDispatch(new FrontController(), $proceed, $request);
+        self::assertTrue($called);
+        self::assertSame('ok', $result);
+        self::assertSame('from_get', $request->getParam('magesail_store'));
+    }
+
+    public function testDoesNotOverrideExistingRequestParam(): void
+    {
+        $_GET = ['magesail_store' => 'from_get'];
+        $plugin = new EnsureTunnelParamPlugin();
+        $request = new Http();
+        $request->setParam('magesail_store', 'already');
+        $proceed = static fn () => 'done';
+        $plugin->aroundDispatch(new FrontController(), $proceed, $request);
+        self::assertSame('already', $request->getParam('magesail_store'));
+    }
+}