Issue #3427374 by danflanagan8, Vighneshh: taxonomy_tid ViewsArgumentDefault...

Issue #3427374 by danflanagan8, Vighneshh: taxonomy_tid ViewsArgumentDefault plugin doesn't add cache tags

(cherry picked from commit 6d3cdb77)

core/modules/taxonomy/src/Plugin/views/argument_default/Tid.php

@@ -197,6 +197,19 @@ public function getArgument() {
     }
   }
 
+  /**
+   * {@inheritdoc}
+   */
+  public function getCacheTags() {
+    $tags = parent::getCacheTags();
+    if (!empty($this->options['node'])) {
+      if (($node = $this->routeMatch->getParameter('node')) && $node instanceof NodeInterface) {
+        $tags = Cache::mergeTags($tags, $node->getCacheTags());
+      }
+    }
+    return $tags;
+  }
+
   /**
    * {@inheritdoc}
    */

core/modules/taxonomy/tests/src/Kernel/Views/TaxonomyDefaultArgumentTest.php

@@ -61,6 +61,7 @@ public function testNodePath() {
 
     $expected = implode(',', [$this->term1->id(), $this->term2->id()]);
     $this->assertEquals($expected, $view->argument['tid']->getDefaultArgument());
+    $this->assertEquals($this->nodes[0]->getCacheTags(), $view->argument['tid']->getPlugin('argument_default')->getCacheTags());
     $view->destroy();
   }
 
@@ -83,6 +84,7 @@ public function testNodePathWithViewSelection() {
 
     $expected = implode(',', [$this->term1->id(), $this->term2->id()]);
     $this->assertEquals($expected, $view->argument['tid']->getDefaultArgument());
+    $this->assertEquals($this->nodes[0]->getCacheTags(), $view->argument['tid']->getPlugin('argument_default')->getCacheTags());
   }
 
   public function testTermPath() {
@@ -90,6 +92,7 @@ public function testTermPath() {
 
     $expected = $this->term1->id();
     $this->assertEquals($expected, $view->argument['tid']->getDefaultArgument());
+    $this->assertEmpty($view->argument['tid']->getPlugin('argument_default')->getCacheTags());
   }
 
 }