Automattic /
jetpack
Duplicate code is one of the most pungent code smells. A rule that is often used is to re-structure code once it is duplicated in three or more places.
Common duplication problems, and corresponding solutions are:
| 1 | <?php |
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| 19 | class Test_Atomic_Admin_Menu extends WP_UnitTestCase { |
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| 20 | |||
| 21 | /** |
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| 22 | * Menu data fixture. |
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| 23 | * |
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| 24 | * @var array |
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| 25 | */ |
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| 26 | public static $menu_data; |
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| 27 | |||
| 28 | /** |
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| 29 | * Submenu data fixture. |
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| 30 | * |
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| 31 | * @var array |
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| 32 | */ |
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| 33 | public static $submenu_data; |
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| 34 | |||
| 35 | /** |
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| 36 | * Test domain. |
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| 37 | * |
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| 38 | * @var string |
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| 39 | */ |
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| 40 | public static $domain; |
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| 41 | |||
| 42 | /** |
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| 43 | * Whether this testsuite is run on WP.com. |
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| 44 | * |
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| 45 | * @var bool |
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| 46 | */ |
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| 47 | public static $is_wpcom; |
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| 48 | |||
| 49 | /** |
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| 50 | * Admin menu instance. |
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| 51 | * |
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| 52 | * @var Atomic_Admin_Menu |
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| 53 | */ |
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| 54 | public static $admin_menu; |
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| 55 | |||
| 56 | /** |
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| 57 | * Mock user ID. |
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| 58 | * |
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| 59 | * @var int |
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| 60 | */ |
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| 61 | private static $user_id = 0; |
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| 62 | |||
| 63 | /** |
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| 64 | * Create shared fixtures. |
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| 65 | * |
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| 66 | * @param WP_UnitTest_Factory $factory Fixture factory. |
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| 67 | */ |
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| 68 | View Code Duplication | public static function wpSetUpBeforeClass( $factory ) { |
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| 69 | static::$domain = ( new Status() )->get_site_suffix(); |
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| 70 | static::$user_id = $factory->user->create( array( 'role' => 'administrator' ) ); |
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| 71 | static::$menu_data = get_wpcom_menu_fixture(); |
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| 72 | static::$submenu_data = get_submenu_fixture(); |
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| 73 | } |
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| 74 | |||
| 75 | /** |
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| 76 | * Set up data. |
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| 77 | */ |
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| 78 | public function setUp() { |
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| 79 | parent::setUp(); |
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| 80 | global $menu, $submenu; |
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| 81 | |||
| 82 | // Initialize in setUp so it registers hooks for every test. |
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| 83 | static::$admin_menu = Atomic_Admin_Menu::get_instance(); |
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| 84 | |||
| 85 | $menu = static::$menu_data; |
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| 86 | $submenu = static::$submenu_data; |
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| 87 | |||
| 88 | wp_set_current_user( static::$user_id ); |
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| 89 | } |
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| 90 | |||
| 91 | /** |
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| 92 | * Test get_instance. |
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| 93 | * |
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| 94 | * @covers ::get_instance |
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| 95 | * @covers ::__construct |
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| 96 | */ |
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| 97 | View Code Duplication | public function test_get_instance() { |
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| 98 | $instance = Atomic_Admin_Menu::get_instance(); |
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| 99 | |||
| 100 | $this->assertInstanceOf( Atomic_Admin_Menu::class, $instance ); |
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| 101 | $this->assertSame( $instance, static::$admin_menu ); |
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| 102 | |||
| 103 | $this->assertSame( 99998, has_action( 'admin_menu', array( $instance, 'reregister_menu_items' ) ) ); |
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| 104 | $this->assertSame( 11, has_action( 'admin_enqueue_scripts', array( $instance, 'enqueue_scripts' ) ) ); |
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| 105 | } |
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| 106 | |||
| 107 | /** |
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| 108 | * Tests add_browse_sites_link. |
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| 109 | * |
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| 110 | * @covers ::add_browse_sites_link |
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| 111 | */ |
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| 112 | public function test_add_browse_sites_link() { |
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| 113 | global $menu; |
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| 114 | |||
| 115 | // No output when executed in single site mode. |
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| 116 | static::$admin_menu->add_browse_sites_link(); |
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| 117 | $this->assertArrayNotHasKey( 0, $menu ); |
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| 118 | } |
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| 119 | |||
| 120 | /** |
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| 121 | * Tests add_browse_sites_link. |
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| 122 | * |
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| 123 | * @covers ::add_browse_sites_link |
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| 124 | */ |
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| 125 | public function test_add_browse_sites_link_multisite() { |
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| 126 | if ( ! is_multisite() ) { |
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| 127 | $this->markTestSkipped( 'Only used on multisite' ); |
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| 128 | } |
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| 129 | |||
| 130 | global $menu; |
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| 131 | |||
| 132 | // No output when user has just one site. |
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| 133 | static::$admin_menu->add_browse_sites_link(); |
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| 134 | $this->assertArrayNotHasKey( 0, $menu ); |
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| 135 | |||
| 136 | // Give user a second site. |
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| 137 | update_user_option( static::$user_id, 'wpcom_site_count', 2 ); |
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| 138 | |||
| 139 | static::$admin_menu->add_browse_sites_link(); |
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| 140 | |||
| 141 | $browse_sites_menu_item = array( |
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| 142 | 'Browse sites', |
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| 143 | 'read', |
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| 144 | 'https://wordpress.com/home', |
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| 145 | 'site-switcher', |
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| 146 | 'menu-top toplevel_page_https://wordpress.com/home', |
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| 147 | 'toplevel_page_https://wordpress.com/home', |
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| 148 | 'dashicons-arrow-left-alt2', |
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| 149 | ); |
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| 150 | $this->assertSame( $menu[0], $browse_sites_menu_item ); |
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| 151 | |||
| 152 | delete_user_option( static::$user_id, 'wpcom_site_count' ); |
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| 153 | } |
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| 154 | |||
| 155 | /** |
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| 156 | * Tests add_new_site_link. |
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| 157 | * |
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| 158 | * @covers ::add_new_site_link |
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| 159 | */ |
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| 160 | public function test_add_new_site_link() { |
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| 161 | global $menu; |
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| 162 | |||
| 163 | // Set jetpack user data. |
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| 164 | update_user_option( static::$user_id, 'wpcom_site_count', 1 ); |
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| 165 | |||
| 166 | static::$admin_menu->add_new_site_link(); |
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| 167 | |||
| 168 | $new_site_menu_item = array( |
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| 169 | 'Add New Site', |
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| 170 | 'read', |
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| 171 | 'https://wordpress.com/start?ref=calypso-sidebar', |
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| 172 | 'Add New Site', |
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| 173 | 'menu-top toplevel_page_https://wordpress.com/start?ref=calypso-sidebar', |
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| 174 | 'toplevel_page_https://wordpress.com/start?ref=calypso-sidebar', |
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| 175 | 'dashicons-plus-alt', |
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| 176 | ); |
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| 177 | $this->assertSame( array_pop( $menu ), $new_site_menu_item ); |
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| 178 | |||
| 179 | delete_user_option( static::$user_id, 'wpcom_site_count' ); |
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| 180 | } |
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| 181 | |||
| 182 | /** |
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| 183 | * Tests add_site_card_menu |
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| 184 | * |
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| 185 | * @covers ::add_site_card_menu |
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| 186 | */ |
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| 187 | public function test_add_site_card_menu() { |
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| 188 | global $menu; |
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| 189 | |||
| 190 | if ( ! function_exists( 'site_is_private' ) ) { |
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| 191 | function site_is_private() { // phpcs:ignore |
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| 194 | } |
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| 195 | static::$admin_menu->add_site_card_menu(); |
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| 196 | |||
| 197 | $home_url = home_url(); |
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| 198 | $site_card_menu_item = array( |
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| 199 | // phpcs:ignore Squiz.Strings.DoubleQuoteUsage.NotRequired |
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| 214 | |||
| 215 | /** |
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| 216 | * Tests set_site_card_menu_class |
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| 217 | * |
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| 218 | * @covers ::set_site_card_menu_class |
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| 219 | */ |
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| 220 | public function test_set_site_card_menu_class() { |
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| 246 | |||
| 247 | /** |
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| 248 | * Shim wpcomsh fallback site icon. |
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| 249 | * |
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| 250 | * @return string |
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| 251 | */ |
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| 252 | public function wpcomsh_site_icon_url() { |
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| 255 | |||
| 256 | /** |
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| 257 | * Custom site icon. |
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| 258 | * |
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| 259 | * @return string |
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| 260 | */ |
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| 261 | public function custom_site_icon_url() { |
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| 264 | |||
| 265 | /** |
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| 266 | * Tests add_posts_menu |
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| 267 | * |
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| 268 | * @covers ::add_posts_menu |
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| 269 | */ |
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| 270 | public function test_add_posts_menu() { |
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| 278 | |||
| 279 | /** |
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| 280 | * Tests add_page_menu |
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| 281 | * |
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| 282 | * @covers ::add_page_menu |
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| 283 | */ |
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| 284 | public function test_add_page_menu() { |
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| 292 | |||
| 293 | /** |
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| 294 | * Tests add_upgrades_menu |
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| 295 | * |
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| 296 | * @covers ::add_upgrades_menu |
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| 297 | */ |
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| 298 | View Code Duplication | public function test_add_upgrades_menu() { |
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| 314 | |||
| 315 | /** |
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| 316 | * Tests add_tools_menu |
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| 317 | * |
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| 318 | * @covers ::add_tools_menu |
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| 319 | */ |
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| 320 | public function test_add_tools_menu() { |
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| 328 | |||
| 329 | /** |
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| 330 | * Tests add_options_menu |
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| 331 | * |
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| 332 | * @covers ::add_options_menu |
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| 333 | */ |
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| 334 | public function test_add_options_menu() { |
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| 348 | |||
| 349 | /** |
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| 350 | * Tests add_plugins_menu |
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| 351 | * |
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| 352 | * @covers ::add_plugins_menu |
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| 353 | */ |
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| 354 | public function test_add_plugins_menu() { |
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| 362 | |||
| 363 | /** |
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| 364 | * Tests add_appearance_menu |
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| 365 | * |
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| 366 | * @covers ::add_appearance_menu |
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| 367 | */ |
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| 368 | public function test_add_appearance_menu() { |
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| 385 | |||
| 386 | /** |
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| 387 | * Tests add_users_menu |
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| 388 | * |
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| 389 | * @covers ::add_users_menu |
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| 390 | */ |
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| 391 | public function test_add_users_menu() { |
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| 397 | |||
| 398 | /** |
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| 399 | * Tests add_comments_menu |
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| 400 | * |
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| 401 | * @covers ::add_comments_menu |
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| 402 | */ |
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| 403 | public function test_add_comments_menu() { |
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| 410 | |||
| 411 | /** |
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| 412 | * Tests add_gutenberg_menus |
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| 413 | * |
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| 414 | * @covers ::add_gutenberg_menus |
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| 415 | */ |
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| 416 | public function test_add_gutenberg_menus() { |
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| 423 | } |
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| 424 |
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Let’s assume you have a class which uses late-static binding:
The code above will run fine in your PHP runtime. However, if you now create a sub-class and call the
getSomeVariable()on that sub-class, you will receive a runtime error:In the case above, it makes sense to update
SomeClassto useselfinstead: