test(phpunit): add new test for checking registration menus correctly

packages/blockera-admin/php/tests/AdminProviderTest.php

@@ -0,0 +1,64 @@
+<?php
+
+namespace Blockera\Admin\Tests;
+
+use Blockera\Setup\Blockera;
+use Blockera\Admin\Providers\AdminProvider;
+
+class AdminProviderTest extends \Blockera\Dev\PHPUnit\AppTestCase
+{
+
+	protected static ?AdminProvider $provider = null;
+
+	public function set_up(): void
+	{
+		parent::set_up();
+
+		// Login as admin user
+		$user_id = self::factory()->user->create(['role' => 'administrator']);
+		wp_set_current_user($user_id);
+
+		// Mock WordPress functions.
+		require_once ABSPATH . '/wp-admin/includes/plugin.php'; // Ensure you have WordPress functions available.
+
+		self::$provider = new AdminProvider(new Blockera());
+	}
+
+	/**
+	 * Test if the menu page is registered.
+	 *
+	 * @test
+	 * @return void
+	 */
+	public function itShouldRegisterMenuPage(): void
+	{
+		global $menu, $submenu;
+		self::$provider->boot();
+
+		do_action('admin_menu');
+
+		$registeredMenus = array_column($menu, 2);
+		$baseMenuSlug = blockera_core_config('menu.menu_slug');
+
+		// Check if the base menu is registered.
+		$this->assertContains($baseMenuSlug, $registeredMenus);
+
+		$expectedSubmenus = array_column(blockera_core_config('menu.submenus'), 'menu_slug');
+
+		$submenu_found = false;
+
+		// Assert the submenu was registered under the correct parent slug.
+		if (isset($submenu[$baseMenuSlug])) {
+			foreach ($submenu[$baseMenuSlug] as $submenu_item) {
+				foreach ($expectedSubmenus as $expected_submenu) {
+					if ($submenu_item[2] === $expected_submenu) {
+						$submenu_found = true;
+						break;
+					}
+				}
+			}
+		}
+
+		$this->assertTrue($submenu_found, 'Submenu was not registered correctly.');
+	}
+}