WP_Customize_Manager::changeset_data PHP Method

    public function changeset_data()
    {
        if (isset($this->_changeset_data)) {
            return $this->_changeset_data;
        }
        $changeset_post_id = $this->changeset_post_id();
        if (!$changeset_post_id) {
            $this->_changeset_data = array();
        } else {
            $data = $this->get_changeset_post_data($changeset_post_id);
            if (!is_wp_error($data)) {
                $this->_changeset_data = $data;
            } else {
                $this->_changeset_data = array();
            }
        }
        return $this->_changeset_data;
    }

 /**
  * Test WP_Customize_Manager::import_theme_starter_content().
  *
  * @covers WP_Customize_Manager::import_theme_starter_content()
  * @covers WP_Customize_Manager::_save_starter_content_changeset()
  */
 function test_import_theme_starter_content()
 {
     wp_set_current_user(self::$admin_user_id);
     register_nav_menu('top', 'Top');
     add_theme_support('custom-logo');
     add_theme_support('custom-header');
     add_theme_support('custom-background');
     $canola_file = DIR_TESTDATA . '/images/canola.jpg';
     $existing_canola_attachment_id = self::factory()->attachment->create_object($canola_file, 0, array('post_mime_type' => 'image/jpeg', 'post_type' => 'attachment', 'post_name' => 'canola'));
     $existing_published_home_page_id = $this->factory()->post->create(array('post_name' => 'home', 'post_type' => 'page', 'post_status' => 'publish'));
     $existing_auto_draft_about_page_id = $this->factory()->post->create(array('post_name' => 'about', 'post_type' => 'page', 'post_status' => 'auto-draft'));
     global $wp_customize;
     $wp_customize = new WP_Customize_Manager();
     $starter_content_config = array('widgets' => array('sidebar-1' => array('text_business_info', 'meta_custom' => array('meta', array('title' => 'Pre-hydrated meta widget.')))), 'nav_menus' => array('top' => array('name' => 'Menu Name', 'items' => array('link_home', 'page_about', 'page_blog', 'link_email', 'link_facebook', 'link_custom' => array('title' => 'Custom', 'url' => 'https://custom.example.com/')))), 'posts' => array('home', 'about' => array('template' => 'sample-page-template.php'), 'blog', 'custom' => array('post_type' => 'post', 'post_title' => 'Custom', 'thumbnail' => '{{waffles}}')), 'attachments' => array('waffles' => array('post_title' => 'Waffles', 'post_content' => 'Waffles Attachment Description', 'post_excerpt' => 'Waffles Attachment Caption', 'file' => DIR_TESTDATA . '/images/waffles.jpg'), 'canola' => array('post_title' => 'Canola', 'post_content' => 'Canola Attachment Description', 'post_excerpt' => 'Canola Attachment Caption', 'file' => DIR_TESTDATA . '/images/canola.jpg')), 'options' => array('blogname' => 'Starter Content Title', 'blogdescription' => 'Starter Content Tagline', 'show_on_front' => 'page', 'page_on_front' => '{{home}}', 'page_for_posts' => '{{blog}}'), 'theme_mods' => array('custom_logo' => '{{canola}}', 'header_image' => '{{waffles}}', 'background_image' => '{{waffles}}'));
     update_option('posts_per_page', 1);
     // To check #39022.
     add_theme_support('starter-content', $starter_content_config);
     $this->assertEmpty($wp_customize->unsanitized_post_values());
     $wp_customize->import_theme_starter_content();
     $changeset_values = $wp_customize->unsanitized_post_values();
     $expected_setting_ids = array('blogname', 'blogdescription', 'custom_logo', 'header_image_data', 'background_image', 'widget_text[2]', 'widget_meta[3]', 'sidebars_widgets[sidebar-1]', 'nav_menus_created_posts', 'nav_menu[-1]', 'nav_menu_item[-1]', 'nav_menu_item[-2]', 'nav_menu_item[-3]', 'nav_menu_item[-4]', 'nav_menu_item[-5]', 'nav_menu_item[-6]', 'nav_menu_locations[top]', 'show_on_front', 'page_on_front', 'page_for_posts');
     $this->assertEqualSets($expected_setting_ids, array_keys($changeset_values));
     foreach (array('widget_text[2]', 'widget_meta[3]') as $setting_id) {
         $this->assertInternalType('array', $changeset_values[$setting_id]);
         $instance_data = $wp_customize->widgets->sanitize_widget_instance($changeset_values[$setting_id]);
         $this->assertInternalType('array', $instance_data);
         $this->assertArrayHasKey('title', $instance_data);
     }
     $this->assertEquals(array('text-2', 'meta-3'), $changeset_values['sidebars_widgets[sidebar-1]']);
     $posts_by_name = array();
     $this->assertCount(6, $changeset_values['nav_menus_created_posts']);
     $this->assertContains($existing_published_home_page_id, $changeset_values['nav_menus_created_posts'], 'Expected reuse of non-auto-draft posts.');
     $this->assertContains($existing_canola_attachment_id, $changeset_values['nav_menus_created_posts'], 'Expected reuse of non-auto-draft attachment.');
     $this->assertNotContains($existing_auto_draft_about_page_id, $changeset_values['nav_menus_created_posts'], 'Expected non-reuse of auto-draft posts.');
     foreach ($changeset_values['nav_menus_created_posts'] as $post_id) {
         $post = get_post($post_id);
         if ($post->ID === $existing_published_home_page_id) {
             $this->assertEquals('publish', $post->post_status);
         } elseif ($post->ID === $existing_canola_attachment_id) {
             $this->assertEquals('inherit', $post->post_status);
         } else {
             $this->assertEquals('auto-draft', $post->post_status);
             $this->assertEmpty($post->post_name);
         }
         $post_name = $post->post_name;
         if (empty($post_name)) {
             $post_name = get_post_meta($post->ID, '_customize_draft_post_name', true);
         }
         $posts_by_name[$post_name] = $post->ID;
     }
     $this->assertEquals(array('waffles', 'canola', 'home', 'about', 'blog', 'custom'), array_keys($posts_by_name));
     $this->assertEquals('Custom', get_post($posts_by_name['custom'])->post_title);
     $this->assertEquals('sample-page-template.php', get_page_template_slug($posts_by_name['about']));
     $this->assertEquals('', get_page_template_slug($posts_by_name['blog']));
     $this->assertEquals($posts_by_name['waffles'], get_post_thumbnail_id($posts_by_name['custom']));
     $this->assertEquals('', get_post_thumbnail_id($posts_by_name['blog']));
     $attachment_metadata = wp_get_attachment_metadata($posts_by_name['waffles']);
     $this->assertEquals('Waffles', get_post($posts_by_name['waffles'])->post_title);
     $this->assertEquals('waffles', get_post_meta($posts_by_name['waffles'], '_customize_draft_post_name', true));
     $this->assertArrayHasKey('file', $attachment_metadata);
     $this->assertContains('waffles', $attachment_metadata['file']);
     $this->assertEquals('page', $changeset_values['show_on_front']);
     $this->assertEquals($posts_by_name['home'], $changeset_values['page_on_front']);
     $this->assertEquals($posts_by_name['blog'], $changeset_values['page_for_posts']);
     $this->assertEquals(-1, $changeset_values['nav_menu_locations[top]']);
     $this->assertEquals(0, $changeset_values['nav_menu_item[-1]']['object_id']);
     $this->assertEquals('custom', $changeset_values['nav_menu_item[-1]']['type']);
     $this->assertEquals(home_url(), $changeset_values['nav_menu_item[-1]']['url']);
     $this->assertEmpty($wp_customize->changeset_data());
     $this->assertNull($wp_customize->changeset_post_id());
     $this->assertEquals(1000, has_action('customize_register', array($wp_customize, '_save_starter_content_changeset')));
     do_action('customize_register', $wp_customize);
     // This will trigger the changeset save.
     $this->assertInternalType('int', $wp_customize->changeset_post_id());
     $this->assertNotEmpty($wp_customize->changeset_data());
     foreach ($wp_customize->changeset_data() as $setting_id => $setting_params) {
         $this->assertArrayHasKey('starter_content', $setting_params);
         $this->assertTrue($setting_params['starter_content']);
     }
     // Ensure that re-importing doesn't cause auto-drafts to balloon.
     $wp_customize->import_theme_starter_content();
     $changeset_data = $wp_customize->changeset_data();
     $this->assertEqualSets(array_values($posts_by_name), $changeset_data['nav_menus_created_posts']['value']);
     // Auto-drafts should not get re-created and amended with each import.
     // Test that saving non-starter content on top of the changeset clears the starter_content flag.
     $wp_customize->save_changeset_post(array('data' => array('blogname' => array('value' => 'Starter Content Modified'))));
     $changeset_data = $wp_customize->changeset_data();
     $this->assertArrayNotHasKey('starter_content', $changeset_data['blogname']);
     $this->assertArrayHasKey('starter_content', $changeset_data['blogdescription']);
     // Test that adding blogname starter content is ignored now that it is modified, but updating a non-modified starter content blog description passes.
     $previous_blogname = $changeset_data['blogname']['value'];
     $previous_blogdescription = $changeset_data['blogdescription']['value'];
     $wp_customize->import_theme_starter_content(array('options' => array('blogname' => 'Newer Starter Content Title', 'blogdescription' => 'Newer Starter Content Description')));
     $changeset_data = $wp_customize->changeset_data();
     $this->assertEquals($previous_blogname, $changeset_data['blogname']['value']);
     $this->assertArrayNotHasKey('starter_content', $changeset_data['blogname']);
     $this->assertNotEquals($previous_blogdescription, $changeset_data['blogdescription']['value']);
     $this->assertArrayHasKey('starter_content', $changeset_data['blogdescription']);
     // Publish.
     $this->assertEmpty(get_custom_logo());
     $this->assertEmpty(get_header_image());
     $this->assertEmpty(get_background_image());
     $this->assertEmpty(get_theme_mod('custom_logo'));
     $this->assertEmpty(get_theme_mod('header_image'));
     $this->assertEmpty(get_theme_mod('background_image'));
     $this->assertEquals('auto-draft', get_post($posts_by_name['about'])->post_status);
     $this->assertEquals('auto-draft', get_post($posts_by_name['waffles'])->post_status);
     $this->assertNotEquals($changeset_data['blogname']['value'], get_option('blogname'));
     $r = $wp_customize->save_changeset_post(array('status' => 'publish'));
     $this->assertInternalType('array', $r);
     $this->assertEquals('publish', get_post($posts_by_name['about'])->post_status);
     $this->assertEquals('inherit', get_post($posts_by_name['waffles'])->post_status);
     $this->assertEquals($changeset_data['blogname']['value'], get_option('blogname'));
     $this->assertNotEmpty(get_theme_mod('custom_logo'));
     $this->assertNotEmpty(get_theme_mod('header_image'));
     $this->assertNotEmpty(get_theme_mod('background_image'));
     $this->assertNotEmpty(get_custom_logo());
     $this->assertNotEmpty(get_header_image());
     $this->assertNotEmpty(get_background_image());
     $this->assertContains('canola', get_custom_logo());
     $this->assertContains('waffles', get_header_image());
     $this->assertContains('waffles', get_background_image());
     $this->assertEquals('waffles', get_post($posts_by_name['waffles'])->post_name);
     $this->assertEmpty(get_post_meta($posts_by_name['waffles'], '_customize_draft_post_name', true));
 }