Updated Drupal to 8.6. This goes with the following updates because it's possible...

[yaffs-website] / web / core / modules / rest / tests / modules / rest_test / src / Plugin / Validation / Constraint / RestTestConstraintValidator.php

diff --git a/web/core/modules/rest/tests/modules/rest_test/src/Plugin/Validation/Constraint/RestTestConstraintValidator.php b/web/core/modules/rest/tests/modules/rest_test/src/Plugin/Validation/Constraint/RestTestConstraintValidator.php
new file mode 100644 (file)
index 0000000..e71c148
--- /dev/null
+++ b/web/core/modules/rest/tests/modules/rest_test/src/Plugin/Validation/Constraint/RestTestConstraintValidator.php
@@ -0,0 +1,26 @@
+<?php
+
+namespace Drupal\rest_test\Plugin\Validation\Constraint;
+
+use Drupal\Core\Field\FieldItemListInterface;
+use Symfony\Component\Validator\Constraint;
+use Symfony\Component\Validator\ConstraintValidator;
+
+/**
+ * Validator for \Drupal\rest_test\Plugin\Validation\Constraint\RestTestConstraint.
+ */
+class RestTestConstraintValidator extends ConstraintValidator {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function validate($value, Constraint $constraint) {
+    if ($value instanceof FieldItemListInterface) {
+      $value = $value->getValue();
+      if (!empty($value[0]['value']) && $value[0]['value'] === 'ALWAYS_FAIL') {
+        $this->context->addViolation($constraint->message);
+      }
+    }
+  }
+
+}