Add a basic test

composer.json

@@ -0,0 +1,20 @@
+{
+    "name": "drupal/turnstile_protect",
+    "description": "Put your site routes behind a Cloudflare Turnstile",
+    "type": "drupal-module",
+    "license": "GPL-2.0+",
+    "homepage": "https://www.drupal.org/project/turnstile_protect",
+    "support": {
+        "issues": "https://www.drupal.org/project/issues/turnstile_protect"
+    },
+    "authors": [
+        {
+            "name": "Joe Corall",
+            "email": "[email protected]",
+            "role": "Owner"
+        }
+    ],
+    "require" : {
+        "drupal/turnstile": "^1"
+    }
+}

tests/src/Kernel/TurnstileProtect.php

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+<?php
+
+namespace Drupal\Tests\turnstile_protect\Kernel;
+
+use Drupal\KernelTests\KernelTestBase;
+
+/**
+ * Tests basic functionality of the YourModule module.
+ *
+ * @group turnstile_protect
+ */
+class TurnstileProtectTest extends KernelTestBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  protected static $modules = [
+    'turnstile_protect',
+    'system',
+  ];
+
+  /**
+   * Tests if the module is enabled.
+   */
+  public function testModuleEnabled() {
+    $this->assertTrue($this->container->get('module_handler')->moduleExists('turnstile_protect'), 'The turnstile_protect module is enabled.');
+  }
+
+  /**
+   * Tests basic configuration or service.
+   */
+  public function testBasicFunctionality() {
+    // Example: Check a service or configuration provided by your module.
+    $config = $this->config('turnstile_protect.settings');
+    $this->assertNotEmpty($config, 'turnstile_protect settings configuration is available.');
+  }
+
+}