Update core 8.3.0

web/core/modules/serialization/tests/modules/field_normalization_test/field_normalization_test.info.yml

@@ -0,0 +1,6 @@
+name: 'FieldItem normalization test support'
+type: module
+description: 'Provides test support for fieldItem normalization test support.'
+package: Testing
+version: VERSION
+core: 8.x

web/core/modules/serialization/tests/modules/field_normalization_test/field_normalization_test.services.yml

@@ -0,0 +1,6 @@
+services:
+  serializer.normalizer.silly_fielditem:
+    class: Drupal\field_normalization_test\Normalization\TextItemSillyNormalizer
+    tags:
+      # The priority must be higher than serialization.normalizer.field_item.
+      - { name: normalizer , priority: 9 }

web/core/modules/serialization/tests/modules/field_normalization_test/src/Normalization/TextItemSillyNormalizer.php

@@ -0,0 +1,36 @@
+<?php
+
+namespace Drupal\field_normalization_test\Normalization;
+
+use Drupal\serialization\Normalizer\FieldItemNormalizer;
+use Drupal\text\Plugin\Field\FieldType\TextItemBase;
+
+/**
+ * A test TextItem normalizer to test denormalization.
+ */
+class TextItemSillyNormalizer extends FieldItemNormalizer {
+
+  /**
+   * {@inheritdoc}
+   */
+  protected $supportedInterfaceOrClass = TextItemBase::class;
+
+  /**
+   * {@inheritdoc}
+   */
+  public function normalize($object, $format = NULL, array $context = []) {
+    $data = parent::normalize($object, $format, $context);
+    $data['value'] .= '::silly_suffix';
+    return $data;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function constructValue($data, $context) {
+    $value = parent::constructValue($data, $context);
+    $value['value']  = str_replace('::silly_suffix', '', $value['value']);
+    return $value;
+  }
+
+}