Issue #1831142 by damiankloip, dawehner: Fixed Path is never empty in option summary.

core/modules/views/lib/Drupal/views/Plugin/views/display/PathPluginBase.php

@@ -219,9 +219,13 @@ public function optionsSummary(&$categories, &$options) {
       ),
     );
 
-    $path = strip_tags('/' . $this->getOption('path'));
+    $path = strip_tags($this->getOption('path'));
+
     if (empty($path)) {
-      $path = t('None');
+      $path = t('No path is set');
+    }
+    else {
+      $path = '/' . $path;
     }
 
     $options['path'] = array(

core/modules/views/lib/Drupal/views/Tests/UI/DisplayPath.php

+<?php
+
+/**
+ * @file
+ * Contains \Drupal\views\Tests\UI\DisplayPath
+ */
+
+namespace Drupal\views\Tests\UI;
+
+/**
+ * Tests the UI of generic display path plugin.
+ *
+ * @see \Drupal\views\Plugin\views\display\PathPluginBase
+ */
+class DisplayPath extends UITestBase {
+
+  public static function getInfo() {
+    return array(
+      'name' => 'Display Path: UI',
+      'description' => 'Tests the UI of generic display path plugin.',
+      'group' => 'Views UI',
+    );
+  }
+
+  public function testPathUI() {
+    $this->drupalGet('admin/structure/views/view/test_view');
+
+    // Add a new page display and check the appearing text.
+    $this->drupalPost(NULL, array(), 'Add Page');
+    $this->assertText(t('No path is set'), 'The right text appears if no path was set.');
+
+    // Save a path and make sure the summary appears as expected.
+    $random_path = $this->randomName();
+    $this->drupalPost("admin/structure/views/nojs/display/test_view/page_1/path", array('path' => $random_path), t('Apply'));
+    $this->assertText('/' . $random_path, 'The custom path appears in the summary.');
+  }
+
+}
+