feature(ajax): added nonce

.env.testing

+WP_ROOT_FOLDER="${APACHE_DOCUMENT_ROOT}"
+TEST_SITE_WP_ADMIN_PATH="/wp-admin"
+TEST_SITE_DB_NAME="wptest"
+TEST_SITE_DB_HOST="mysqltests"
+TEST_SITE_DB_USER="mysql"
+TEST_SITE_DB_PASSWORD="mysql"
+TEST_SITE_TABLE_PREFIX="wp_"
+TEST_DB_NAME="wptest"
+TEST_DB_HOST="mysqltests"
+TEST_DB_USER="mysql"
+TEST_DB_PASSWORD="mysql"
+TEST_TABLE_PREFIX="wp_"
+TEST_SITE_WP_URL="http://${WOOTESTS_IP}"
+TEST_SITE_WP_DOMAIN="${WOOTESTS_IP}"
+TEST_SITE_ADMIN_EMAIL="grola@seostudio.pl"
+TEST_SITE_ADMIN_USERNAME="admin"
+TEST_SITE_ADMIN_PASSWORD="admin"
+SELENIUM_HOST="chrome"
+SELENIUM_PORT=4444

.gitlab-ci.yml

@@ -5,4 +5,3 @@ variables:
   IS_LIBRARY: 1
 
 include: 'https://gitlab.com/wpdesk/gitlab-ci/raw/master/gitlab-ci-1.2.yml'
-

CHANGELOG.md

-## [3.2.1] - 2023-02-10
+## [3.2.2] - 2023-03-03
+### Added
+- security nonce in permanent dismissible notice ajax action
 
+## [3.2.1] - 2023-02-10
 ### Changed
-
 - Changed dodgy string with `../../..` for `dirname` with level parameter
 
 ## [3.2.0] - 2022-05-27

assets/js/notice.js

 jQuery( document ).on( 'click', '.notice-dismiss', function() {
-    var notice_name = jQuery(this).closest('div.notice').data('notice-name');
-    var source = jQuery(this).closest('div.notice').data('source');
+    const $notice_div= jQuery(this).closest('div.notice');
+    const notice_name = $notice_div.data('notice-name');
+    const source = $notice_div.data('source');
+    const security = $notice_div.data('security');
     if ('' !== notice_name) {
         jQuery.ajax({
             url: ajaxurl,
             type: 'post',
             data: {
+                security: security,
                 action: 'wpdesk_notice_dismiss',
                 notice_name: notice_name,
                 source: source,

assets/js/notice.min.js

-jQuery(document).on("click",".notice-dismiss",function(){var a=jQuery(this).closest("div.notice").data("notice-name");var b=jQuery(this).closest("div.notice").data("source");if(""!==a){jQuery.ajax({url:ajaxurl,type:"post",data:{action:"wpdesk_notice_dismiss",notice_name:a,source:b},success:function(c){}})}});jQuery(document).on("click",".notice-dismiss-link",function(){jQuery(this).closest("div.notice").data("source",jQuery(this).data("source"));jQuery(this).closest("div.notice").find(".notice-dismiss").click()});
\ No newline at end of file

codeception.dist.yml

+paths:
+    tests: tests/codeception/tests
+    output: tests/codeception/tests/_output
+    data: tests/codeception/tests/_data
+    support: tests/codeception/tests/_support
+    envs: tests/codeception/tests/_envs
+actor_suffix: Tester
+extensions:
+    enabled:
+        - Codeception\Extension\RunFailed
+#        - Codeception\Extension\Recorder:
+#              module: WPWebDriver
+#              delete_successful: false # keep screenshots of successful tests
+    commands:
+        - Codeception\Command\GenerateWPUnit
+        - Codeception\Command\GenerateWPRestApi
+        - Codeception\Command\GenerateWPRestController
+        - Codeception\Command\GenerateWPRestPostTypeController
+        - Codeception\Command\GenerateWPAjax
+        - Codeception\Command\GenerateWPCanonical
+        - Codeception\Command\GenerateWPXMLRPC
+        - WPDesk\Codeception\Command\GeneratePluginActivation
+        - WPDesk\Codeception\Command\GenerateWooCommerce
+        - tad\Codeception\Command\Steppify
+params:
+    - .env.testing
+coverage:
+    remote: false
+    include:
+        - classes
+        - src

composer.json

@@ -13,20 +13,24 @@
     ],
     "config": {
         "platform": {
-            "php": "7.0"
+            "php": "7.0.8"
+        },
+        "allow-plugins": {
+            "kylekatarnls/update-helper": true,
+            "wpdesk/wp-codeception": true
         }
     },
     "require": {
-        "php": ">=5.5",
+        "php": ">=7.0.8",
 	    "wpdesk/wp-builder": "^1.0|^2.0"
 	},
     "require-dev": {
-        "phpunit/phpunit": "<7",
         "wp-coding-standards/wpcs": "^0.14.1",
         "squizlabs/php_codesniffer": "^3.0.2",
         "mockery/mockery": "*",
         "10up/wp_mock": "*",
-        "wimg/php-compatibility": "^8"
+        "wimg/php-compatibility": "^8",
+        "wpdesk/wp-codeception": "^2.7"
     },
     "autoload": {
 		"psr-4": {"WPDesk\\Notice\\": "src/WPDesk/Notice/"},

src/WPDesk/Notice/AjaxHandler.php

@@ -12,13 +12,13 @@ use WPDesk\PluginBuilder\Plugin\PluginAccess;
  *
  * @package WPDesk\Notice
  */
-class AjaxHandler implements HookablePluginDependant
-{
+class AjaxHandler implements HookablePluginDependant {
 
     use PluginAccess;
 
     const POST_FIELD_NOTICE_NAME = 'notice_name';
     const POST_FIELD_SOURCE = 'source';
+    const POST_FIELD_SECURITY = 'security';
 
     const SCRIPTS_VERSION = '4';
     const SCRIPT_HANDLE = 'wpdesk_notice';
@@ -33,16 +33,14 @@ class AjaxHandler implements HookablePluginDependant
      *
      * @param string|null $assetsURL Assets URL.
      */
-    public function __construct($assetsURL = null)
-    {
+    public function __construct( $assetsURL = null ) {
         $this->assetsURL = $assetsURL;
     }
 
     /**
      * Hooks.
      */
-    public function hooks()
-    {
+    public function hooks() {
         if ( $this->assetsURL ) {
             add_action( 'admin_enqueue_scripts', [ $this, 'enqueueAdminScripts' ] );
         } else {
@@ -54,13 +52,11 @@ class AjaxHandler implements HookablePluginDependant
     /**
      * Enqueue admin scripts.
      */
-    public function enqueueAdminScripts()
-    {
-        $suffix = defined('SCRIPT_DEBUG') && SCRIPT_DEBUG ? '' : '.min';
+    public function enqueueAdminScripts() {
         wp_register_script(
             self::SCRIPT_HANDLE,
-            trailingslashit($this->assetsURL) . 'js/notice' . $suffix . '.js',
-            array( 'jquery' ),
+            trailingslashit( $this->assetsURL ) . 'js/notice.js',
+            [ 'jquery' ],
             self::SCRIPTS_VERSION
         );
         wp_enqueue_script( self::SCRIPT_HANDLE );
@@ -69,8 +65,7 @@ class AjaxHandler implements HookablePluginDependant
     /**
      * Add Java Script to admin header.
      */
-    public function addScriptToAdminHead()
-    {
+    public function addScriptToAdminHead() {
         include __DIR__ . '/views/admin-head-js.php';
     }
 
@@ -79,8 +74,7 @@ class AjaxHandler implements HookablePluginDependant
      *
      * Updates corresponded WordPress option and fires wpdesk_notice_dismissed_notice action with notice name.
      */
-    public function processAjaxNoticeDismiss()
-    {
+    public function processAjaxNoticeDismiss() {
         if ( isset( $_POST[ self::POST_FIELD_NOTICE_NAME ] ) ) {
             $noticeName = sanitize_text_field( $_POST[ self::POST_FIELD_NOTICE_NAME ] );
 
@@ -90,14 +84,23 @@ class AjaxHandler implements HookablePluginDependant
                 $source = null;
             }
 
+            $security = $_POST[ self::POST_FIELD_SECURITY ] ?? '';
+
+            $option_name = PermanentDismissibleNotice::OPTION_NAME_PREFIX . $noticeName;
+
+            if ( wp_verify_nonce( $security, $option_name ) ) {
                 update_option(
-                PermanentDismissibleNotice::OPTION_NAME_PREFIX . $noticeName,
+                    $option_name,
                     PermanentDismissibleNotice::OPTION_VALUE_DISMISSED
                 );
                 do_action( 'wpdesk_notice_dismissed_notice', $noticeName, $source );
+                if ( defined( 'DOING_AJAX' ) && DOING_AJAX ) {
+                    wp_send_json_success();
+                }
+            }
         }
         if ( defined( 'DOING_AJAX' ) && DOING_AJAX ) {
-            die();
+            wp_send_json_error();
         }
     }
 

src/WPDesk/Notice/PermanentDismissibleNotice.php

@@ -19,6 +19,11 @@ class PermanentDismissibleNotice extends Notice
      */
     private $noticeName;
 
+    /**
+     * @var string
+     */
+    private $noticeSecurity;
+
     /**
      * @var string
      */
@@ -47,6 +52,8 @@ class PermanentDismissibleNotice extends Notice
         $this->noticeDismissOptionName = static::OPTION_NAME_PREFIX . $noticeName;
         if (self::OPTION_VALUE_DISMISSED === get_option($this->noticeDismissOptionName, '')) {
             $this->removeAction();
+        } else {
+            $this->noticeSecurity = wp_create_nonce($this->noticeDismissOptionName);
         }
     }
 
@@ -68,6 +75,7 @@ class PermanentDismissibleNotice extends Notice
     {
         $attributesAsString = parent::getAttributesAsString();
         $attributesAsString .= sprintf(' data-notice-name="%1$s"', esc_attr($this->noticeName));
+        $attributesAsString .= sprintf(' data-security="%1$s"', esc_attr($this->noticeSecurity));
         $attributesAsString .= sprintf(' id="wpdesk-notice-%1$s"', esc_attr($this->noticeName));
         return $attributesAsString;
     }

src/WPDesk/Notice/views/admin-head-js.php

@@ -4,5 +4,5 @@ if ( ! defined( 'ABSPATH' ) ) {
 } // Exit if accessed directly
 ?>
 <script type="text/javascript">
-    <?php include dirname(__FILE__, 5) . '/assets/js/notice.min.js'; ?>
+    <?php include dirname(__FILE__, 5) . '/assets/js/notice.js'; ?>
 </script>

tests/codeception/codeception.yml

+paths:
+    tests: tests
+    output: tests/_output
+    data: tests/_data
+    support: tests/_support
+    envs: tests/_envs
+actor_suffix: Tester
+extensions:
+    enabled:
+        - Codeception\Extension\RunFailed
+

tests/codeception/tests/_output/.gitignore

+*
+!.gitignore

tests/codeception/tests/integration.suite.yml

+# Codeception Test Suite Configuration
+#
+# Suite for integration tests.
+
+bootstrap: bootstrap.php
+
+modules:
+    enabled:
+        - WPDb
+        - WPLoader
+    config:
+        WPDb:
+            dsn: 'mysql:host=%TEST_SITE_DB_HOST%;dbname=%TEST_SITE_DB_NAME%'
+            user: '%TEST_SITE_DB_USER%'
+            password: '%TEST_SITE_DB_PASSWORD%'
+            dump: 'tests/codeception/tests/_data/db.sql'
+            #import the dump before the tests; this means the test site database will be repopulated before the tests.
+            populate: false
+            # re-import the dump between tests; this means the test site database will be repopulated between the tests.
+            cleanup: false
+            waitlock: 10
+            url: '%TEST_SITE_WP_URL%'
+            originalUrl: '%TEST_SITE_WP_URL%'
+            urlReplacement: true #replace the hardcoded dump URL with the one above
+            tablePrefix: '%TEST_SITE_TABLE_PREFIX%'
+        WPLoader:
+            multisite: false
+            wpRootFolder: '%WP_ROOT_FOLDER%'
+            dbName: "%TEST_SITE_DB_NAME%"
+            dbHost: "%TEST_SITE_DB_HOST%"
+            dbUser: "%TEST_SITE_DB_USER%"
+            dbPassword: "%TEST_SITE_DB_PASSWORD%"
+            isolatedInstall: false
+            loadOnly: false
+            tablePrefix: "%TEST_SITE_TABLE_PREFIX%"
+            plugins: []
+            activatePlugins: []

tests/codeception/tests/integration/AjaxHandlerTest.php

+<?php
+
+namespace codeception\tests\integration;
+
+use Codeception\TestCase\WPTestCase;
+use \WPDesk\Notice\AjaxHandler;
+use \WPDesk\Notice\PermanentDismissibleNotice;
+
+class AjaxHandlerTest extends WPTestCase {
+
+	const ASSETS_URL = 'http://test.com/test/assetes/';
+	const NOTICE_NAME = 'test_notice_name';
+	const WP_DEFAULT_PRIORITY = 10;
+
+    public function setUp() {
+        parent::setUp();
+    }
+
+    public function tearDown() {
+        parent::tearDown();
+    }
+
+	public function testHooksWithAssetsURL() {
+		$ajaxHandler = new AjaxHandler( self::ASSETS_URL );
+		$ajaxHandler->hooks();
+
+		$this->assertEquals(
+			self::WP_DEFAULT_PRIORITY,
+			has_action( 'admin_enqueue_scripts', [ $ajaxHandler, 'enqueueAdminScripts' ] )
+		);
+		$this->assertEquals(
+			self::WP_DEFAULT_PRIORITY,
+			has_action( 'wp_ajax_wpdesk_notice_dismiss', [ $ajaxHandler, 'processAjaxNoticeDismiss' ] )
+		);
+	}
+
+	public function testHooksWithoutAssetsURL() {
+		$ajaxHandler = new AjaxHandler();
+		$ajaxHandler->hooks();
+
+		$this->assertEquals(
+			self::WP_DEFAULT_PRIORITY,
+			has_action( 'admin_head', [ $ajaxHandler, 'addScriptToAdminHead' ] )
+		);
+		$this->assertEquals(
+			self::WP_DEFAULT_PRIORITY,
+			has_action( 'wp_ajax_wpdesk_notice_dismiss', [ $ajaxHandler, 'processAjaxNoticeDismiss' ] )
+		);
+	}
+
+	public function testEnqueueAdminScripts() {
+		$this->markTestSkipped( 'Must be revisited. get_current_screen not working.' );
+		$ajaxHandler = new AjaxHandler( self::ASSETS_URL );
+		$ajaxHandler->hooks();
+		do_action( 'admin_enqueue_scripts' );
+		$registeredScripts = wp_scripts()->registered;
+
+		$this->assertArrayHasKey( 'wpdesk_notice', $registeredScripts, 'Script not registered!' );
+		$this->assertEquals(
+			self::ASSETS_URL . 'js/notice.js',
+			$registeredScripts['wpdesk_notice']->src,
+			'Script src is invalid!'
+		);
+	}
+
+	public function testAddScriptToAdminHead() {
+		$ajaxHandler = new AjaxHandler();
+		$ajaxHandler->hooks();
+
+		$this->expectOutputString( '<script type="text/javascript">'
+                                   . "\n    "
+                                   . file_get_contents( __DIR__ . '/../../../../assets/js/notice.js' )
+                                   . '</script>
+'
+		);
+
+		$ajaxHandler->addScriptToAdminHead();
+	}
+
+	public function testProcessAjaxNoticeDismiss() {
+		$_POST[ AjaxHandler::POST_FIELD_NOTICE_NAME ] = self::NOTICE_NAME;
+        $_POST[ AjaxHandler::POST_FIELD_SECURITY ] = wp_create_nonce( PermanentDismissibleNotice::OPTION_NAME_PREFIX . sanitize_text_field( self::NOTICE_NAME ) );
+
+        $ajaxHandler = new AjaxHandler( self::ASSETS_URL );
+		$ajaxHandler->processAjaxNoticeDismiss();
+
+		$this->assertEquals(
+			PermanentDismissibleNotice::OPTION_VALUE_DISMISSED,
+			get_option( PermanentDismissibleNotice::OPTION_NAME_PREFIX . self::NOTICE_NAME )
+		);
+	}
+
+    public function testShoulfNotProcessAjaxNoticeDismissWhenInvalidNonce() {
+        $_POST[ AjaxHandler::POST_FIELD_NOTICE_NAME ] = self::NOTICE_NAME;
+        $_POST[ AjaxHandler::POST_FIELD_SECURITY ] = wp_create_nonce();
+
+        $ajaxHandler = new AjaxHandler( self::ASSETS_URL );
+        $ajaxHandler->processAjaxNoticeDismiss();
+
+        $this->assertNotEquals(
+            PermanentDismissibleNotice::OPTION_VALUE_DISMISSED,
+            get_option( PermanentDismissibleNotice::OPTION_NAME_PREFIX . self::NOTICE_NAME )
+        );
+    }
+
+}

tests/codeception/tests/integration/FunctionsTest.php

+<?php
+
+namespace codeception\tests\integration;
+
+use Codeception\TestCase\WPTestCase;
+use \WPDesk\Notice\Notice;
+use \WPDesk\Notice\PermanentDismissibleNotice;
+
+/**
+ * Class TestFunctions
+ */
+class FunctionsTest extends WPTestCase {
+
+    public function setUp() {
+        parent::setUp();
+    }
+
+    public function tearDown() {
+        parent::tearDown();
+    }
+
+	/**
+	 * Test WPDeskWpNotice function.
+	 */
+	public function testWPDeskWpNotice() {
+		$notice = wpdesk_wp_notice( 'test function' );
+
+		$this->assertInstanceOf( Notice::class, $notice );
+
+		$this->expectOutputString( '<div class="notice notice-info"><p>test function</p></div>' );
+
+		$notice->showNotice();
+	}
+
+	/**
+	 * Test WPDeskWpNoticeInfo function.
+	 */
+	public function testWPDeskWpNoticeInfo() {
+		$notice = wpdesk_wp_notice_info( 'test function' );
+
+		$this->assertInstanceOf( Notice::class, $notice );
+
+		$this->expectOutputString( '<div class="notice notice-info"><p>test function</p></div>' );
+
+		$notice->showNotice();
+	}
+
+	/**
+	 * Test WPDeskWpNoticeError function.
+	 */
+	public function testWPDeskWpNoticeError() {
+		$notice = wpdesk_wp_notice_error( 'test function' );
+
+		$this->assertInstanceOf( Notice::class, $notice );
+
+		$this->expectOutputString( '<div class="notice notice-error"><p>test function</p></div>' );
+
+		$notice->showNotice();
+	}
+
+	/**
+	 * Test WPDeskWpNoticeWarning function.
+	 */
+	public function testWPDeskWpNoticeWarning() {
+		$notice = wpdesk_wp_notice_warning( 'test function' );
+
+		$this->assertInstanceOf( Notice::class, $notice );
+
+		$this->expectOutputString( '<div class="notice notice-warning"><p>test function</p></div>' );
+
+		$notice->showNotice();
+	}
+
+	/**
+	 * Test WPDeskWpNoticeSuccess function.
+	 */
+	public function testWPDeskWpNoticeSuccess() {
+		$notice = wpdesk_wp_notice_success( 'test function' );
+
+		$this->assertInstanceOf( Notice::class, $notice );
+
+		$this->expectOutputString( '<div class="notice notice-success"><p>test function</p></div>' );
+
+		$notice->showNotice();
+	}
+
+	/**
+	 * Test WPDeskPermanentDismissibleWpNotice function.
+	 */
+	public function testWPDeskPermanentDismissibleWpNotice() {
+        $notice_name = 'test-notice';
+
+		$notice = wpdesk_permanent_dismissible_wp_notice(
+			'test function',
+			$notice_name,
+			Notice::NOTICE_TYPE_INFO
+		);
+
+        $security = wp_create_nonce( PermanentDismissibleNotice::OPTION_NAME_PREFIX . $notice_name );
+
+		$this->assertInstanceOf( PermanentDismissibleNotice::class, $notice );
+
+		$this->expectOutputString(
+			'<div class="notice notice-info is-dismissible" data-notice-name="' . $notice_name . '" data-security="' . $security . '" id="wpdesk-notice-test-notice"><p>test function</p></div>'
+		);
+
+		$notice->showNotice();
+	}
+
+	/**
+	 * Test WPDeskInitNoticeAjaxHandler function.
+	 */
+	public function testWPDeskInitWpNoticeAjaxHandler() {
+		$ajax_handler = wpdesk_init_wp_notice_ajax_handler();
+
+		$this->assertInstanceOf( \WPDesk\Notice\AjaxHandler::class, $ajax_handler );
+	}
+
+}

tests/codeception/tests/integration/NoticeTest.php

+<?php
+
+namespace codeception\tests\integration;
+
+use Codeception\TestCase\WPTestCase;
+use \WPDesk\Notice\Notice;
+
+class NoticeTest extends WPTestCase {
+
+    public function setUp() {
+        parent::setUp();
+    }
+
+    public function tearDown() {
+        parent::tearDown();
+    }
+
+    public function testAddAction() {
+		$notice_priority = 11;
+
+		$notice = new Notice( Notice::NOTICE_TYPE_INFO, 'test', false, $notice_priority );
+
+		$this->assertEquals( $notice_priority, has_action( 'admin_notices', [
+			$notice,
+			'showNotice',
+		], $notice_priority ) );
+
+		$this->assertEquals(
+			Notice::ADMIN_FOOTER_BASE_PRIORITY + intval( $notice_priority ),
+			has_action(
+				'admin_footer',
+				[ $notice, 'showNotice' ],
+				Notice::ADMIN_FOOTER_BASE_PRIORITY + intval( $notice_priority )
+			)
+		);
+	}
+
+	public function testShowNotice() {
+		$notice = new Notice( 'test' );
+
+		$this->expectOutputString( '<div class="notice notice-info"><p>test</p></div>' );
+
+		$notice->showNotice();
+
+		$this->assertFalse(
+			has_action( 'admin_notices', [ $notice, 'showNotice' ], 10 )
+		);
+		$this->assertFalse(
+			has_action( 'admin_footer', [ $notice, 'showNotice' ], 10 )
+		);
+	}
+
+	public function testShowNoticeError() {
+		$notice = new Notice( 'test', Notice::NOTICE_TYPE_ERROR );
+
+		$this->expectOutputString( '<div class="notice notice-error"><p>test</p></div>' );
+
+		$notice->showNotice();
+	}
+
+	public function testShowNoticeWarning() {
+		$notice = new Notice( 'test', Notice::NOTICE_TYPE_WARNING );
+
+		$this->expectOutputString( '<div class="notice notice-warning"><p>test</p></div>' );
+
+		$notice->showNotice();
+	}
+
+	public function testShowNoticeSuccess() {
+		$notice = new Notice( 'test', Notice::NOTICE_TYPE_SUCCESS );
+
+		$this->expectOutputString( '<div class="notice notice-success"><p>test</p></div>' );
+
+		$notice->showNotice();
+	}
+
+	public function testShowNoticeDismissible() {
+		$notice = new Notice( 'test', Notice::NOTICE_TYPE_INFO, true );
+
+		$this->expectOutputString( '<div class="notice notice-info is-dismissible"><p>test</p></div>' );
+
+		$notice->showNotice();
+	}
+
+	public function testNoticeContent() {
+		$noticeContent = 'test';
+
+		$notice = new Notice( $noticeContent );
+
+		$this->assertEquals( $noticeContent, $notice->getNoticeContent() );
+
+		$noticeContent = 'test 2';
+		$notice->setNoticeContent( $noticeContent );
+		$this->assertEquals( $noticeContent, $notice->getNoticeContent() );
+	}
+
+	public function testNoticeType() {
+		$notice = new Notice( 'test', Notice::NOTICE_TYPE_INFO );
+
+		$this->assertEquals( Notice::NOTICE_TYPE_INFO, $notice->getNoticeType() );
+
+		$notice->setNoticeType( Notice::NOTICE_TYPE_ERROR );
+		$this->assertEquals( Notice::NOTICE_TYPE_ERROR, $notice->getNoticeType() );
+	}
+
+	public function testDismissible() {
+		$notice = new Notice( 'test' );
+
+		$this->assertFalse( $notice->isDismissible() );
+
+		$notice->setDismissible( true );
+		$this->assertTrue( $notice->isDismissible() );
+	}
+
+	public function testPriority() {
+		$notice = new Notice( 'test' );
+
+		$this->assertEquals( 10, $notice->getPriority() );
+
+		$notice->setPriority( 20 );
+		$this->assertEquals( 20, $notice->getPriority() );
+	}
+
+	public function testAddAttribute() {
+		$notice = new Notice( 'test', Notice::NOTICE_TYPE_WARNING );
+
+		$notice->addAttribute( 'id', 'test_id' );
+
+		$this->expectOutputString( '<div class="notice notice-warning" id="test_id"><p>test</p></div>' );
+
+		$notice->showNotice();
+	}
+
+	public function testAddAttributeClass() {
+		$notice = new Notice( 'test', Notice::NOTICE_TYPE_WARNING );
+
+		$notice->addAttribute( 'class', 'test-class' );
+
+		$this->expectOutputString( '<div class="notice notice-warning test-class"><p>test</p></div>' );
+
+		$notice->showNotice();
+	}
+
+}

tests/codeception/tests/integration/PermanentDismissinleNoticeTest.php

+<?php
+
+namespace codeception\tests\integration;
+
+use Codeception\TestCase\WPTestCase;
+use \WPDesk\Notice\PermanentDismissibleNotice;
+
+class PermanentDismissinleNoticeTest extends WPTestCase {
+
+	const NOTICE_NAME = 'test_notice_name';
+
+    public function setUp() {
+        parent::setUp();
+    }
+
+    public function tearDown() {
+        parent::tearDown();
+    }
+
+	public function testAddAction() {
+		$notice_priority = 11;
+
+		$notice = new PermanentDismissibleNotice(
+			'test',
+			'test_name',
+			PermanentDismissibleNotice::NOTICE_TYPE_INFO,
+			$notice_priority
+		);
+
+		$this->assertEquals( $notice_priority, has_action( 'admin_notices', [
+			$notice,
+			'showNotice',
+		], $notice_priority ) );
+	}
+
+	public function testUndoDismiss() {
+		update_option(
+			PermanentDismissibleNotice::OPTION_NAME_PREFIX . self::NOTICE_NAME,
+			PermanentDismissibleNotice::OPTION_VALUE_DISMISSED
+		);
+
+		$notice = new PermanentDismissibleNotice(
+			PermanentDismissibleNotice::NOTICE_TYPE_INFO,
+			self::NOTICE_NAME
+		);
+		$notice->undoDismiss();
+
+		$this->assertEquals(
+			'',
+			get_option( PermanentDismissibleNotice::OPTION_NAME_PREFIX . self::NOTICE_NAME, '' )
+		);
+	}
+
+	public function testShowNotice() {
+        $notice_name = 'test_name';
+
+		$notice = new PermanentDismissibleNotice(
+			'test',
+			$notice_name,
+			PermanentDismissibleNotice::NOTICE_TYPE_INFO
+		);
+
+        $security = wp_create_nonce( PermanentDismissibleNotice::OPTION_NAME_PREFIX . $notice_name );
+
+		$this->expectOutputString(
+            '<div class="notice notice-info is-dismissible" data-notice-name="' . $notice_name . '" data-security="' . $security . '" id="wpdesk-notice-test_name"><p>test</p></div>'
+		);
+
+		$notice->showNotice();
+	}
+
+}