feat: plugin scaffold with dependency check

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01At3V6SjwbMe6eMzVGW3Hs7

tests/Stubs/WpError.php

@@ -0,0 +1,30 @@
+<?php
+
+declare(strict_types=1);
+
+if (! class_exists('WP_Error')) {
+    class WP_Error
+    {
+        public function __construct(
+            private string $code = '',
+            private string $message = '',
+            private mixed $data = null
+        ) {
+        }
+
+        public function get_error_code(): string
+        {
+            return $this->code;
+        }
+
+        public function get_error_message(): string
+        {
+            return $this->message;
+        }
+
+        public function get_error_data(): mixed
+        {
+            return $this->data;
+        }
+    }
+}

tests/Stubs/WpUser.php

@@ -0,0 +1,17 @@
+<?php
+
+declare(strict_types=1);
+
+if (! class_exists('WP_User')) {
+    class WP_User
+    {
+        public int $ID = 0;
+        public array $roles = [];
+
+        public function __construct(int $id = 0, array $roles = [])
+        {
+            $this->ID = $id;
+            $this->roles = $roles;
+        }
+    }
+}

tests/Unit/DependenciesTest.php

@@ -0,0 +1,27 @@
+<?php
+
+declare(strict_types=1);
+
+namespace LIT\MCP\Tests\Unit;
+
+use LIT\MCP\Dependencies;
+
+final class DependenciesTest extends TestCase
+{
+    public function testReportsNothingMissingWhenAllClassesExist(): void
+    {
+        $deps = new Dependencies(static fn (string $class): bool => true);
+
+        self::assertSame([], $deps->missing());
+    }
+
+    public function testNamesEveryMissingComponent(): void
+    {
+        $deps = new Dependencies(static fn (string $class): bool => false);
+
+        self::assertSame(
+            ['wordpress/mcp-adapter', 'wp-media/mcp-oauth', 'WordPress Abilities API'],
+            $deps->missing()
+        );
+    }
+}

tests/Unit/TestCase.php

@@ -0,0 +1,26 @@
+<?php
+
+declare(strict_types=1);
+
+namespace LIT\MCP\Tests\Unit;
+
+use Brain\Monkey;
+use Mockery\Adapter\Phpunit\MockeryPHPUnitIntegration;
+use PHPUnit\Framework\TestCase as BaseTestCase;
+
+abstract class TestCase extends BaseTestCase
+{
+    use MockeryPHPUnitIntegration;
+
+    protected function setUp(): void
+    {
+        parent::setUp();
+        Monkey\setUp();
+    }
+
+    protected function tearDown(): void
+    {
+        Monkey\tearDown();
+        parent::tearDown();
+    }
+}

tests/bootstrap.php

@@ -0,0 +1,11 @@
+<?php
+
+declare(strict_types=1);
+
+if (! defined('ABSPATH')) {
+    define('ABSPATH', __DIR__ . '/');
+}
+
+require_once __DIR__ . '/../vendor/autoload.php';
+require_once __DIR__ . '/Stubs/WpError.php';
+require_once __DIR__ . '/Stubs/WpUser.php';