--- /dev/null
+<?php
+
+namespace Drupal\entity_embed\Tests;
+
+use Drupal\Core\Form\FormState;
+
+/**
+ * Tests the view mode entity embed display provided by entity_embed.
+ *
+ * @group entity_embed
+ */
+class ViewModeFieldFormatterTest extends EntityEmbedTestBase {
+
+ private $plugins = [
+ 'view_mode:node.full',
+ 'view_mode:node.rss',
+ 'view_mode:node.search_index',
+ 'view_mode:node.search_result',
+ 'view_mode:node.teaser',
+ ];
+
+ /**
+ * Tests view mode entity embed display.
+ */
+ public function testViewModeFieldFormatter() {
+ // Ensure that view mode plugins have no configuration form.
+ foreach ($this->plugins as $plugin) {
+ $form = [];
+ $form_state = new FormState();
+ $display = $this->container->get('plugin.manager.entity_embed.display')
+ ->createInstance($plugin, []);
+ $display->setContextValue('entity', $this->node);
+ $conf_form = $display->buildConfigurationForm($form, $form_state);
+ $this->assertIdentical(array_keys($conf_form), []);
+ }
+ }
+
+ /**
+ * Tests filter using view mode entity embed display plugins.
+ */
+ public function testFilterViewModePlugins() {
+ foreach ($this->plugins as $plugin) {
+ $content = '<drupal-entity data-entity-type="node" data-entity-uuid="' . $this->node->uuid() . '" data-entity-embed-display="' . $plugin . '"></drupal-entity>';
+ $settings = [];
+ $settings['type'] = 'page';
+ $settings['title'] = 'Test ' . $plugin . ' Entity Embed Display plugin';
+ $settings['body'] = [['value' => $content, 'format' => 'custom_format']];
+ $node = $this->drupalCreateNode($settings);
+ $this->drupalGet('node/' . $node->id());
+ $plugin = explode('.', $plugin);
+ $view_mode = str_replace('_', '-', end($plugin));
+ $this->assertRaw('node--view-mode-' . $view_mode, 'Node rendered in the correct view mode: ' . $view_mode . '.');
+ }
+ }
+
+}