--- /dev/null
+<?php
+
+namespace Drupal\Tests\search\Functional;
+
+use Drupal\Tests\BrowserTestBase;
+
+/**
+ * Tests that the node search query can be altered via the query alter hook.
+ *
+ * @group search
+ */
+class SearchQueryAlterTest extends BrowserTestBase {
+
+ /**
+ * {@inheritdoc}
+ */
+ protected static $modules = ['node', 'search', 'search_query_alter'];
+
+ /**
+ * Tests that the query alter works.
+ */
+ public function testQueryAlter() {
+ $this->drupalCreateContentType(['type' => 'page', 'name' => 'Basic page']);
+ $this->drupalCreateContentType(['type' => 'article', 'name' => 'Article']);
+
+ // Log in with sufficient privileges.
+ $this->drupalLogin($this->drupalCreateUser(['create page content', 'search content']));
+
+ // Create a node and an article with the same keyword. The query alter
+ // test module will alter the query so only articles should be returned.
+ $data = [
+ 'type' => 'page',
+ 'title' => 'test page',
+ 'body' => [['value' => 'pizza']],
+ ];
+ $this->drupalCreateNode($data);
+
+ $data['type'] = 'article';
+ $data['title'] = 'test article';
+ $this->drupalCreateNode($data);
+
+ // Update the search index.
+ $this->container->get('plugin.manager.search')->createInstance('node_search')->updateIndex();
+ search_update_totals();
+
+ // Search for the body keyword 'pizza'.
+ $this->drupalPostForm('search/node', ['keys' => 'pizza'], t('Search'));
+ // The article should be there but not the page.
+ $this->assertText('article', 'Article is in search results');
+ $this->assertNoText('page', 'Page is not in search results');
+ }
+
+}