--- /dev/null
+<?php
+
+namespace Drupal\Tests\workflows\Functional\Rest;
+
+use Drupal\Tests\rest\Functional\EntityResource\EntityResourceTestBase;
+use Drupal\workflows\Entity\Workflow;
+
+/**
+ * ResourceTestBase for Workflow entity.
+ */
+abstract class WorkflowResourceTestBase extends EntityResourceTestBase {
+
+ /**
+ * {@inheritdoc}
+ */
+ public static $modules = [
+ 'workflows',
+ 'workflow_type_test',
+ ];
+
+ /**
+ * {@inheritdoc}
+ */
+ protected static $entityTypeId = 'workflow';
+
+ /**
+ * {@inheritdoc}
+ */
+ protected static $patchProtectedFieldNames = [];
+
+ /**
+ * The Workflow entity.
+ *
+ * @var \Drupal\workflows\WorkflowInterface
+ */
+ protected $entity;
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function setUpAuthorization($method) {
+ $this->grantPermissionsToTestedRole(['administer workflows']);
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function createEntity() {
+ $workflow = Workflow::create([
+ 'id' => 'rest_workflow',
+ 'label' => 'REST Worklow',
+ 'type' => 'workflow_type_complex_test',
+ ]);
+ $workflow
+ ->getTypePlugin()
+ ->addState('draft', 'Draft')
+ ->addState('published', 'Published');
+ $configuration = $workflow->getTypePlugin()->getConfiguration();
+ $configuration['example_setting'] = 'foo';
+ $configuration['states']['draft']['extra'] = 'bar';
+ $workflow->getTypePlugin()->setConfiguration($configuration);
+ $workflow->save();
+ return $workflow;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function getExpectedNormalizedEntity() {
+ return [
+ 'dependencies' => [
+ 'module' => [
+ 'workflow_type_test',
+ ],
+ ],
+ 'id' => 'rest_workflow',
+ 'label' => 'REST Worklow',
+ 'langcode' => 'en',
+ 'status' => TRUE,
+ 'type' => 'workflow_type_complex_test',
+ 'type_settings' => [
+ 'states' => [
+ 'draft' => [
+ 'extra' => 'bar',
+ 'label' => 'Draft',
+ 'weight' => 0,
+ ],
+ 'published' => [
+ 'label' => 'Published',
+ 'weight' => 1,
+ ],
+ ],
+ 'transitions' => [],
+ 'example_setting' => 'foo',
+ ],
+ 'uuid' => $this->entity->uuid(),
+ ];
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function getNormalizedPostEntity() {
+ // @todo Update in https://www.drupal.org/node/2300677.
+ }
+
+}