--- /dev/null
+<?php
+
+namespace Drupal\entity_embed\Tests;
+
+/**
+ * Tests Twig extension provided by entity_embed.
+ *
+ * @group entity_embed
+ */
+class EntityEmbedTwigTest extends EntityEmbedTestBase {
+
+ /**
+ *
+ */
+ protected function setUp() {
+ parent::setUp();
+ \Drupal::service('theme_handler')->install(array('test_theme'));
+ }
+
+ /**
+ * Tests that the provided Twig extension loads the service appropriately.
+ */
+ public function testTwigExtensionLoaded() {
+ $twig_service = \Drupal::service('twig');
+
+ $ext = $twig_service->getExtension('entity_embed.twig.entity_embed_twig_extension');
+
+ // @todo why is the string
+ // 'Drupal\\entity_embed\\Twig\\EntityEmbedTwigExtension'
+ // and not '\Drupal\entity_embed\Twig\EntityEmbedTwigExtension' ?
+ $this->assertEqual(get_class($ext), 'Drupal\\entity_embed\\Twig\\EntityEmbedTwigExtension', 'Extension loaded successfully.');
+ }
+
+ /**
+ * Tests that the Twig extension's filter produces expected output.
+ */
+ public function testEntityEmbedTwigFunction() {
+ // Test embedding a node using entity ID.
+ $this->drupalGet('entity_embed_twig_test/id');
+ $this->assertText($this->node->body->value, 'Embedded node exists in page');
+
+ // Test 'Label' Entity Embed Display plugin.
+ $this->drupalGet('entity_embed_twig_test/label_plugin');
+ $this->assertText($this->node->title->value, 'Title of the embedded node exists in page.');
+ $this->assertNoText($this->node->body->value, 'Body of embedded node does not exists in page when "Label" plugin is used.');
+ $this->assertLinkByHref('node/' . $this->node->id(), 0, 'Link to the embedded node exists when "Label" plugin is used.');
+
+ // Test 'Label' Entity Embed Display plugin without linking to the node.
+ $this->drupalGet('entity_embed_twig_test/label_plugin_no_link');
+ $this->assertText($this->node->title->value, 'Title of the embedded node exists in page.');
+ $this->assertNoText($this->node->body->value, 'Body of embedded node does not exists in page when "Label" plugin is used.');
+ $this->assertNoLinkByHref('node/' . $this->node->id(), 0, 'Link to the embedded node does not exists.');
+ }
+
+}