Issue #1967124 by damiankloip, dawehner | xjm: Bulk action views array to string conversion when there are no results.

core/modules/action/lib/Drupal/action/Tests/BulkFormTest.php

@@ -35,6 +35,11 @@ class BulkFormTest extends WebTestBase {
    * Tests the bulk form.
    */
   public function testBulkForm() {
+    // First, test an empty bulk form with the default style plugin to make sure
+    // the empty region is rendered correctly.
+    $this->drupalGet('test_bulk_form_empty');
+    $this->assertText(t('This view is empty.'), 'Empty text found on empty bulk form.');
+
     $nodes = array();
     for ($i = 0; $i < 10; $i++) {
       // Ensure nodes are sorted in the same order they are inserted in the

core/modules/action/tests/action_bulk_test/config/views.view.test_bulk_form.yml

@@ -150,6 +150,27 @@ display:
     position: null
     display_options:
       path: test_bulk_form
+  page_2:
+    display_plugin: page
+    id: page_2
+    display_title: Page
+    position: null
+    display_options:
+      path: test_bulk_form_empty
+      defaults:
+        style: false
+        empty: false
+      style:
+        type: default
+      empty:
+        area:
+          id: area
+          table: views
+          field: area
+          empty: true
+          content: 'This view is empty.'
+          plugin_id: text_custom
+          provider: views
 base_field: nid
 status: true
 module: views

core/modules/views/views.theme.inc

@@ -133,8 +133,15 @@ function template_preprocess_views_view(&$variables) {
   if (views_view_has_form_elements($view)) {
     // Copy the rows so as not to modify them by reference when rendering.
     $rows = $variables['rows'];
-    $rows = drupal_render($rows);
-    $output = !empty($rows) ? $rows : $variables['empty'];
+    // Only render row output if there are rows. Otherwise, render the empty
+    // region.
+    if (!empty($rows)) {
+      $output = drupal_render($rows);
+    }
+    else {
+      $empty = $variables['empty'];
+      $output = drupal_render($empty);
+    }
 
     $container = \Drupal::getContainer();
     $form_object = new ViewsForm($container->get('controller_resolver'), $container->get('url_generator'), $container->get('request'), $view->storage->id(), $view->current_display);