/**
  * Return an instance of this class.
  *
  * @since     1.0.0
  *
  * @return    object    A single instance of this class.
  */
 public static function get_instance()
 {
     // If the single instance hasn't been set, set it now.
     if (null == self::$instance) {
         self::$instance = new self();
     }
     return self::$instance;
 }
 function __construct()
 {
     $this->auxClass = new WP_test_Tests_AuxFunctions();
     $this->plugin_admin = wp_tutorial_maker_Admin::get_instance();
     $this->plugin = wp_tutorial_maker::get_instance();
 }
 /**
  * @covers wp_tutorial_maker_Admin::tutorial_decider
  */
 function test_admin_interface_html()
 {
     //setting up subscriber user with admin permission
     $user = new WP_User($this->factory->user->create(array('role' => 'administrator')));
     wp_set_current_user($user->ID);
     $this->auxClass->set_up_post_data();
     $plugin_admin = wp_tutorial_maker_Admin::get_instance();
     //define new term
     $tid = $this->generate_tid();
     //submitting data!
     $plugin_admin->wp_tutorial_maker_option_update($tid);
     //make sure that every option in the HTML interface is there!
     $plugin = wp_tutorial_maker::get_instance();
     $option_array = get_option($plugin->get_plugin_slug());
     $tag_option_array = $option_array[$tid];
     $this->assertNotEmpty($tag_option_array);
     $this->assertNotEmpty($tag_option_array['wptm']);
     $this->assertNotEmpty($tag_option_array['wp_tutorial_maker_nextprev']);
     $this->assertNotEmpty($tag_option_array['wp_tutorial_maker_next_text']);
     $this->assertNotEmpty($tag_option_array['wp_tutorial_maker_prev_text']);
     $this->assertNotEmpty($tag_option_array['wp_tutorial_maker_show_category_index']);
     $this->assertNotEmpty($tag_option_array['wp_tutorial_maker_text_category_link_name']);
     $this->assertNotEmpty($tag_option_array['wp_tutorial_maker_text_category_list']);
 }
 function __construct()
 {
     $this->plugin = wp_tutorial_maker::get_instance();
     $this->plugin_admin = wp_tutorial_maker_Admin::get_instance();
 }