--- /dev/null
+<?php
+
+namespace Drupal\entity_reference_revisions\Tests;
+
+use Drupal\field_ui\Tests\FieldUiTestTrait;
+use Drupal\node\Entity\Node;
+use Drupal\simpletest\WebTestBase;
+
+/**
+ * Tests the entity_reference_revisions configuration.
+ *
+ * @group entity_reference_revisions
+ */
+class EntityReferenceRevisionsNormalizerTest extends WebTestBase {
+
+ use FieldUiTestTrait;
+ use EntityReferenceRevisionsCoreVersionUiTestTrait;
+
+ /**
+ * Modules to enable.
+ *
+ * @var array
+ */
+ public static $modules = array(
+ 'node',
+ 'field',
+ 'entity_reference_revisions',
+ 'field_ui',
+ 'block',
+ 'hal',
+ 'serialization',
+ 'rest',
+ );
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function setUp() {
+ parent::setUp();
+ // Create paragraphs and article content types.
+ $this->drupalCreateContentType(array('type' => 'entity_revisions', 'name' => 'Entity revisions'));
+ $this->drupalCreateContentType(array('type' => 'article', 'name' => 'Article'));
+ // Place the breadcrumb, tested in fieldUIAddNewField().
+ $this->drupalPlaceBlock('system_breadcrumb_block');
+ }
+
+ /**
+ * Tests the entity reference revisions configuration.
+ */
+ public function testEntityReferenceRevisions() {
+ $admin_user = $this->drupalCreateUser(array(
+ 'administer site configuration',
+ 'administer nodes',
+ 'create article content',
+ 'administer content types',
+ 'administer node fields',
+ 'administer node display',
+ 'administer node form display',
+ 'edit any article content',
+ ));
+ $this->drupalLogin($admin_user);
+ // Create entity reference revisions field.
+ static::fieldUIAddNewField('admin/structure/types/manage/entity_revisions', 'entity_reference_revisions', 'Entity reference revisions', 'entity_reference_revisions', array('settings[target_type]' => 'node', 'cardinality' => '-1'), array('settings[handler_settings][target_bundles][article]' => TRUE));
+ $this->assertText('Saved Entity reference revisions configuration.');
+
+ // Create an article.
+ $title = $this->randomMachineName();
+ $edit = array(
+ 'title[0][value]' => $title,
+ 'body[0][value]' => 'Revision 1',
+ );
+ $this->drupalPostNodeForm('node/add/article', $edit, t('Save and publish'));
+ $this->assertText($title);
+ $this->assertText('Revision 1');
+ $node = $this->drupalGetNodeByTitle($title);
+
+ // Create entity revisions content that includes the above article.
+ $err_title = 'Entity reference revision content';
+ $edit = array(
+ 'title[0][value]' => $err_title,
+ 'field_entity_reference_revisions[0][target_id]' => $node->label() . ' (' . $node->id() . ')',
+ );
+ $this->drupalPostNodeForm('node/add/entity_revisions', $edit, t('Save and publish'));
+ $this->assertText('Entity revisions Entity reference revision content has been created.');
+ $err_node = $this->drupalGetNodeByTitle($err_title);
+
+ $this->assertText($err_title);
+ $this->assertText($title);
+ $this->assertText('Revision 1');
+
+ // Create 2nd revision of the article.
+ $edit = array(
+ 'body[0][value]' => 'Revision 2',
+ 'revision' => TRUE,
+ );
+ $this->drupalPostNodeForm('node/' . $node->id() . '/edit', $edit, t('Save and keep published'));
+ $serializer = $this->container->get('serializer');
+ $normalized = $serializer->normalize($err_node, 'hal_json');
+ $request = \Drupal::request();
+ $link_domain = $request->getSchemeAndHttpHost() . $request->getBasePath();
+ $this->assertEqual($err_node->field_entity_reference_revisions->target_revision_id, $normalized['_embedded'][$link_domain . '/rest/relation/node/entity_revisions/field_entity_reference_revisions'][0]['target_revision_id']);
+ $new_err_node = $serializer->denormalize($normalized, Node::class, 'hal_json');
+ $this->assertEqual($err_node->field_entity_reference_revisions->target_revision_id, $new_err_node->field_entity_reference_revisions->target_revision_id);
+ }
+
+}