Issue #1841900 by olli, Sheldon Rampton: Fixed Node deletion should clear page cache.

core/modules/node/lib/Drupal/node/Form/DeleteMultiple.php

@@ -7,6 +7,7 @@
 
 namespace Drupal\node\Form;
 
+use Drupal\Core\Cache\Cache;
 use Drupal\Core\Form\ConfirmFormBase;
 use Drupal\Core\DependencyInjection\ContainerInjectionInterface;
 use Drupal\Core\Entity\EntityManager;
@@ -123,6 +124,7 @@ class DeleteMultiple extends ConfirmFormBase implements ContainerInjectionInterf
       $count = count($this->nodes);
       watchdog('content', 'Deleted @count posts.', array('@count' => $count));
       drupal_set_message(format_plural($count, 'Deleted 1 post.', 'Deleted @count posts.'));
+      Cache::invalidateTags(array('content' => TRUE));
     }
     $form_state['redirect'] = 'admin/content';
   }

core/modules/node/lib/Drupal/node/Form/NodeDeleteForm.php

@@ -7,6 +7,7 @@
 
 namespace Drupal\node\Form;
 
+use Drupal\Core\Cache\Cache;
 use Drupal\Core\Entity\ContentEntityConfirmFormBase;
 use Drupal\Core\Entity\EntityStorageControllerInterface;
 use Drupal\Core\Routing\UrlGeneratorInterface;
@@ -95,6 +96,7 @@ class NodeDeleteForm extends ContentEntityConfirmFormBase {
     watchdog('content', '@type: deleted %title.', array('@type' => $this->entity->bundle(), '%title' => $this->entity->label()));
     $node_type = $this->nodeTypeStorage->load($this->entity->bundle())->label();
     drupal_set_message(t('@type %title has been deleted.', array('@type' => $node_type, '%title' => $this->entity->label())));
+    Cache::invalidateTags(array('content' => TRUE));
     $form_state['redirect'] = '<front>';
   }
 

core/modules/node/lib/Drupal/node/Tests/NodePageCacheTest.php

@@ -0,0 +1,90 @@
+<?php
+
+/**
+ * @file
+ * Contains \Drupal\node\Tests\NodePageCacheTest.
+ */
+
+namespace Drupal\node\Tests;
+
+/**
+ * Tests the cache invalidation of node operations.
+ */
+class NodePageCacheTest extends NodeTestBase {
+
+  /**
+   * An admin user with administrative permissions for nodes.
+   *
+   * @var \Drupal\user\UserInterface
+   */
+  protected $adminUser;
+
+  public static $modules = array('views');
+
+  public static function getInfo() {
+    return array(
+      'name' => 'Node page cache test',
+      'description' => 'Test cache invalidation of node operations.',
+      'group' => 'Node',
+    );
+  }
+
+  function setUp() {
+    parent::setUp();
+
+    $this->container->get('config.factory')->get('system.performance')
+      ->set('cache.page.use_internal', 1)
+      ->set('cache.page.max_age', 300)
+      ->save();
+
+    $this->adminUser = $this->drupalCreateUser(array(
+      'bypass node access',
+      'access content overview',
+      'administer nodes',
+    ));
+  }
+
+  /**
+   * Tests deleting nodes clears page cache.
+   */
+  public function testNodeDelete() {
+    $node_path = 'node/' . $this->drupalCreateNode()->id();
+
+    // Populate page cache.
+    $this->drupalGet($node_path);
+
+    // Login and delete the node.
+    $this->drupalLogin($this->adminUser);
+    $this->drupalGet($node_path . '/delete');
+    $this->drupalPostForm(NULL, array(), t('Delete'));
+
+    // Logout and check the node is not available.
+    $this->drupalLogout();
+    $this->drupalGet($node_path);
+    $this->assertResponse(404);
+
+    // Create two new nodes.
+    $this->drupalCreateNode();
+    $node_path = 'node/' . $this->drupalCreateNode()->id();
+
+    // Populate page cache.
+    $this->drupalGet($node_path);
+
+    // Login and delete the nodes.
+    $this->drupalLogin($this->adminUser);
+    $this->drupalGet('admin/content');
+    $edit = array(
+      'action' => 'node_delete_action',
+      'node_bulk_form[0]' => 1,
+      'node_bulk_form[1]' => 1,
+    );
+    $this->drupalPostForm(NULL, $edit, t('Apply'));
+    $this->drupalPostForm(NULL, array(), t('Delete'));
+
+    // Logout and check the node is not available.
+    $this->drupalLogout();
+    $this->drupalGet($node_path);
+    $this->assertResponse(404);
+  }
+
+}