Drupal 8.0.0 beta 12. More info: https://www.drupal.org/node/2514176

core/modules/serialization/src/Tests/EntityResolverTest.php

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+<?php
+/**
+ * @file
+ * Contains \Drupal\serialization\Tests\EntityResolverTest.
+ */
+
+namespace Drupal\serialization\Tests;
+
+use Drupal\Core\Url;
+
+/**
+ * Tests that entities references can be resolved.
+ *
+ * @group serialization
+ */
+class EntityResolverTest extends NormalizerTestBase {
+
+  /**
+   * Modules to enable.
+   *
+   * @var array
+   */
+  public static $modules = array('entity_reference', 'hal', 'rest');
+
+  /**
+   * The format being tested.
+   *
+   * @var string
+   */
+  protected $format = 'hal_json';
+
+  protected function setUp() {
+    parent::setUp();
+
+    \Drupal::service('router.builder')->rebuild();
+
+    // Create the test field storage.
+    entity_create('field_storage_config', array(
+      'entity_type' => 'entity_test_mulrev',
+      'field_name' => 'field_test_entity_reference',
+      'type' => 'entity_reference',
+      'settings' => array(
+        'target_type' => 'entity_test_mulrev',
+      ),
+    ))->save();
+
+    // Create the test field.
+    entity_create('field_config', array(
+      'entity_type' => 'entity_test_mulrev',
+      'field_name' => 'field_test_entity_reference',
+      'bundle' => 'entity_test_mulrev',
+    ))->save();
+  }
+
+  /**
+   * Test that fields referencing UUIDs can be denormalized.
+   */
+  function testUuidEntityResolver() {
+    // Create an entity to get the UUID from.
+    $entity = entity_create('entity_test_mulrev', array('type' => 'entity_test_mulrev'));
+    $entity->set('name', 'foobar');
+    $entity->set('field_test_entity_reference', array(array('target_id' => 1)));
+    $entity->save();
+
+    $field_uri = Url::fromUri('base:rest/relation/entity_test_mulrev/entity_test_mulrev/field_test_entity_reference', array('absolute' => TRUE))->toString();
+
+    $data = array(
+      '_links' => array(
+        'type' => array(
+          'href' => Url::fromUri('base:rest/type/entity_test_mulrev/entity_test_mulrev', array('absolute' => TRUE))->toString(),
+        ),
+        $field_uri => array(
+          array(
+            'href' => $entity->url(),
+          ),
+        ),
+      ),
+      '_embedded' => array(
+        $field_uri => array(
+          array(
+            '_links' => array(
+              'self' => $entity->url(),
+            ),
+            'uuid' => array(
+              array(
+                'value' => $entity->uuid(),
+              ),
+            ),
+          ),
+        ),
+      ),
+    );
+
+    $denormalized = $this->container->get('serializer')->denormalize($data, 'Drupal\entity_test\Entity\EntityTestMulRev', $this->format);
+    $field_value = $denormalized->get('field_test_entity_reference')->getValue();
+    $this->assertEqual($field_value[0]['target_id'], 1, 'Entity reference resolved using UUID.');
+  }
+
+}

core/modules/serialization/src/Tests/EntitySerializationTest.php

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+<?php
+
+/**
+ * @file
+ * Contains \Drupal\serialization\Tests\EntitySerializationTest.
+ */
+
+namespace Drupal\serialization\Tests;
+
+use Drupal\Core\Language\LanguageInterface;
+use Drupal\Component\Utility\SafeMarkup;
+use Drupal\user\Entity\User;
+
+/**
+ * Tests that entities can be serialized to supported core formats.
+ *
+ * @group serialization
+ */
+class EntitySerializationTest extends NormalizerTestBase {
+
+  /**
+   * Modules to install.
+   *
+   * @var array
+   */
+  public static $modules = array('serialization', 'system', 'field', 'entity_test', 'text', 'filter', 'user', 'entity_serialization_test');
+
+  /**
+   * The test values.
+   *
+   * @var array
+   */
+  protected $values;
+
+  /**
+   * The test entity.
+   *
+   * @var \Drupal\Core\Entity\ContentEntityBase
+   */
+  protected $entity;
+
+  /**
+   * The serializer service.
+   *
+   * @var \Symfony\Component\Serializer\Serializer.
+   */
+  protected $serializer;
+
+  /**
+   * The class name of the test class.
+   *
+   * @var string
+   */
+  protected $entityClass = 'Drupal\entity_test\Entity\EntityTest';
+
+  protected function setUp() {
+    parent::setUp();
+
+    // User create needs sequence table.
+    $this->installSchema('system', array('sequences'));
+    // Create a test entity to serialize.
+    $this->values = array(
+      'name' => $this->randomMachineName(),
+      'user_id' => \Drupal::currentUser()->id(),
+      'field_test_text' => array(
+        'value' => $this->randomMachineName(),
+        'format' => 'full_html',
+      ),
+    );
+    $this->entity = entity_create('entity_test_mulrev', $this->values);
+    $this->entity->save();
+
+    $this->serializer = $this->container->get('serializer');
+
+    $this->installConfig(array('field'));
+  }
+
+  /**
+   * Test the normalize function.
+   */
+  public function testNormalize() {
+    $expected = array(
+      'id' => array(
+        array('value' => 1),
+      ),
+      'uuid' => array(
+        array('value' => $this->entity->uuid()),
+      ),
+      'langcode' => array(
+        array('value' => 'en'),
+      ),
+      'name' => array(
+        array('value' => $this->values['name']),
+      ),
+      'type' => array(
+        array('value' => 'entity_test_mulrev'),
+      ),
+      'created' => array(
+        array('value' => $this->entity->created->value),
+      ),
+      'user_id' => array(
+        array('target_id' => $this->values['user_id']),
+      ),
+      'revision_id' => array(
+        array('value' => 1),
+      ),
+      'default_langcode' => array(
+        array('value' => TRUE),
+      ),
+      'field_test_text' => array(
+        array(
+          'value' => $this->values['field_test_text']['value'],
+          'format' => $this->values['field_test_text']['format'],
+        ),
+      ),
+    );
+
+    $normalized = $this->serializer->normalize($this->entity);
+
+    foreach (array_keys($expected) as $fieldName) {
+      $this->assertEqual($expected[$fieldName], $normalized[$fieldName], "ComplexDataNormalizer produces expected array for $fieldName.");
+    }
+    $this->assertEqual(array_diff_key($normalized, $expected), array(), 'No unexpected data is added to the normalized array.');
+  }
+
+  /**
+   * Tests user normalization, using the entity_serialization_test module to
+   * override some default access controls.
+   */
+  public function testUserNormalize() {
+    $account = User::create([
+      'name' => 'serialization_test_user',
+      'mail' => 'foo@example.com',
+      'pass' => '123456',
+    ]);
+    $account->save();
+
+    // Test password isn't available.
+    $normalized = $this->serializer->normalize($account);
+
+    $this->assertFalse(array_key_exists('pass', $normalized), '"pass" key does not exist in normalized user');
+    $this->assertFalse(array_key_exists('mail', $normalized), '"mail" key does not exist in normalized user');
+
+    // Test again using our test user, so that our access control override will
+    // allow password viewing.
+    $normalized = $this->serializer->normalize($account, NULL, ['account' => $account]);
+
+    // The key 'pass' will now exist, but the password value should be
+    // normalized to NULL.
+    $this->assertIdentical($normalized['pass'], [NULL], '"pass" value is normalized to [NULL]');
+  }
+
+  /**
+   * Test registered Serializer's entity serialization for core's formats.
+   */
+  public function testSerialize() {
+    // Test that Serializer responds using the ComplexDataNormalizer and
+    // JsonEncoder. The output of ComplexDataNormalizer::normalize() is tested
+    // elsewhere, so we can just assume that it works properly here.
+    $normalized = $this->serializer->normalize($this->entity, 'json');
+    $expected = json_encode($normalized);
+    // Test 'json'.
+    $actual = $this->serializer->serialize($this->entity, 'json');
+    $this->assertIdentical($actual, $expected, 'Entity serializes to JSON when "json" is requested.');
+    $actual = $this->serializer->serialize($normalized, 'json');
+    $this->assertIdentical($actual, $expected, 'A normalized array serializes to JSON when "json" is requested');
+    // Test 'ajax'.
+    $actual = $this->serializer->serialize($this->entity, 'ajax');
+    $this->assertIdentical($actual, $expected, 'Entity serializes to JSON when "ajax" is requested.');
+    $actual = $this->serializer->serialize($normalized, 'ajax');
+    $this->assertIdentical($actual, $expected, 'A normalized array serializes to JSON when "ajax" is requested');
+
+    // Generate the expected xml in a way that allows changes to entity property
+    // order.
+    $expected = array(
+      'id' => '<id><value>' . $this->entity->id() . '</value></id>',
+      'uuid' => '<uuid><value>' . $this->entity->uuid() . '</value></uuid>',
+      'langcode' => '<langcode><value>en</value></langcode>',
+      'name' => '<name><value>' . $this->values['name'] . '</value></name>',
+      'type' => '<type><value>entity_test_mulrev</value></type>',
+      'created' => '<created><value>' . $this->entity->created->value . '</value></created>',
+      'user_id' => '<user_id><target_id>' . $this->values['user_id'] . '</target_id></user_id>',
+      'revision_id' => '<revision_id><value>' . $this->entity->getRevisionId() . '</value></revision_id>',
+      'default_langcode' => '<default_langcode><value>1</value></default_langcode>',
+      'field_test_text' => '<field_test_text><value>' . $this->values['field_test_text']['value'] . '</value><format>' . $this->values['field_test_text']['format'] . '</format></field_test_text>',
+    );
+    // Sort it in the same order as normalised.
+    $expected = array_merge($normalized, $expected);
+    // Add header and footer.
+    array_unshift($expected, '<?xml version="1.0"?>' . PHP_EOL . '<response>');
+    $expected[] = '</response>' . PHP_EOL;
+    // Reduced the array to a string.
+    $expected = implode('', $expected);
+    // Test 'xml'. The output should match that of Symfony's XmlEncoder.
+    $actual = $this->serializer->serialize($this->entity, 'xml');
+    $this->assertIdentical($actual, $expected);
+    $actual = $this->serializer->serialize($normalized, 'xml');
+    $this->assertIdentical($actual, $expected);
+  }
+
+  /**
+   * Tests denormalization of an entity.
+   */
+  public function testDenormalize() {
+    $normalized = $this->serializer->normalize($this->entity);
+
+    foreach (array('json', 'xml') as $type) {
+      $denormalized = $this->serializer->denormalize($normalized, $this->entityClass, $type, array('entity_type' => 'entity_test_mulrev'));
+      $this->assertTrue($denormalized instanceof $this->entityClass, SafeMarkup::format('Denormalized entity is an instance of @class', array('@class' => $this->entityClass)));
+      $this->assertIdentical($denormalized->getEntityTypeId(), $this->entity->getEntityTypeId(), 'Expected entity type found.');
+      $this->assertIdentical($denormalized->bundle(), $this->entity->bundle(), 'Expected entity bundle found.');
+      $this->assertIdentical($denormalized->uuid(), $this->entity->uuid(), 'Expected entity UUID found.');
+    }
+  }
+}

core/modules/serialization/src/Tests/NormalizerTestBase.php

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+<?php
+
+/**
+ * @file
+ * Contains \Drupal\serialization\Tests\NormalizerTestBase.
+ */
+
+namespace Drupal\serialization\Tests;
+
+use Drupal\simpletest\KernelTestBase;
+
+abstract class NormalizerTestBase extends KernelTestBase {
+
+  /**
+   * Modules to enable.
+   *
+   * @var array
+   */
+  public static $modules = array('serialization', 'system', 'field', 'entity_test', 'text', 'filter', 'user');
+
+  protected function setUp() {
+    parent::setUp();
+
+    $this->installEntitySchema('entity_test_mulrev');
+    $this->installEntitySchema('user');
+    $this->installSchema('system', array('url_alias', 'router'));
+    $this->installConfig(array('field'));
+    \Drupal::service('router.builder')->rebuild();
+    \Drupal::moduleHandler()->invoke('rest', 'install');
+
+    // Auto-create a field for testing.
+    entity_create('field_storage_config', array(
+      'entity_type' => 'entity_test_mulrev',
+      'field_name' => 'field_test_text',
+      'type' => 'text',
+      'cardinality' => 1,
+      'translatable' => FALSE,
+    ))->save();
+    entity_create('field_config', array(
+      'entity_type' => 'entity_test_mulrev',
+      'field_name' => 'field_test_text',
+      'bundle' => 'entity_test_mulrev',
+      'label' => 'Test text-field',
+      'widget' => array(
+        'type' => 'text_textfield',
+        'weight' => 0,
+      ),
+    ))->save();
+  }
+
+}

core/modules/serialization/src/Tests/SerializationTest.php

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+<?php
+
+/**
+ * @file
+ * Contains \Drupal\serialization\Tests\SerializationTest.
+ */
+
+namespace Drupal\serialization\Tests;
+
+use Drupal\simpletest\KernelTestBase;
+use Symfony\Component\Serializer\Exception\UnexpectedValueException;
+
+/**
+ * Functional tests for serialization system.
+ *
+ * @group serialization
+ */
+class SerializationTest extends KernelTestBase {
+
+  /**
+   * Modules to enable.
+   *
+   * @var array
+   */
+  public static $modules = array('serialization', 'serialization_test');
+
+  /**
+   * The serializer service to test.
+   *
+   * @var \Symfony\Component\Serializer\SerializerInterface
+   */
+  protected $serializer;
+
+  protected function setUp() {
+    parent::setUp();
+    $this->serializer = $this->container->get('serializer');
+  }
+
+  /**
+   * Confirms that modules can register normalizers and encoders.
+   */
+  public function testSerializerComponentRegistration() {
+    $object = new \stdClass();
+    $format = 'serialization_test';
+    $expected = 'Normalized by SerializationTestNormalizer, Encoded by SerializationTestEncoder';
+
+    // Ensure the serialization invokes the expected normalizer and encoder.
+    $this->assertIdentical($this->serializer->serialize($object, $format), $expected);
+
+    // Ensure the serialization fails for an unsupported format.
+    try {
+      $this->serializer->serialize($object, 'unsupported_format');
+      $this->fail('The serializer was expected to throw an exception for an unsupported format, but did not.');
+    }
+    catch (UnexpectedValueException $e) {
+      $this->pass('The serializer threw an exception for an unsupported format.');
+    }
+  }
+}