From 2ddf4362c02c5193244fb6e291170516ef5e89d6 Mon Sep 17 00:00:00 2001
From: Ayrton Ricardo <ayrtonricardo.dasilva@check24.de>
Date: Mon, 10 Dec 2018 14:21:09 +0100
Subject: [PATCH 1/2] Change validation to allow fields described as
 DateTimeInterface.

---
 ModelDescriber/ObjectModelDescriber.php |  2 +-
 Tests/Functional/Entity/User.php        | 21 +++++++++++++++++++++
 Tests/Functional/FunctionalTest.php     |  4 ++++
 3 files changed, 26 insertions(+), 1 deletion(-)

diff --git a/ModelDescriber/ObjectModelDescriber.php b/ModelDescriber/ObjectModelDescriber.php
index a7f9634..267a662 100644
--- a/ModelDescriber/ObjectModelDescriber.php
+++ b/ModelDescriber/ObjectModelDescriber.php
@@ -106,7 +106,7 @@ class ObjectModelDescriber implements ModelDescriberInterface, ModelRegistryAwar
                 $property->setType('number');
                 $property->setFormat('float');
             } elseif (Type::BUILTIN_TYPE_OBJECT === $type->getBuiltinType()) {
-                if (is_subclass_of($type->getClassName(), \DateTimeInterface::class)) {
+                if (is_a($type->getClassName(), \DateTimeInterface::class, true)) {
                     $property->setType('string');
                     $property->setFormat('date-time');
                 } else {
diff --git a/Tests/Functional/Entity/User.php b/Tests/Functional/Entity/User.php
index bb03ea4..6a1469b 100644
--- a/Tests/Functional/Entity/User.php
+++ b/Tests/Functional/Entity/User.php
@@ -78,6 +78,11 @@ class User
      */
     private $status;
 
+    /**
+     * @var \DateTimeInterface
+     */
+    private $dateAsInterface;
+
     /**
      * @param float $money
      */
@@ -134,4 +139,20 @@ class User
     public function setStatus(string $status)
     {
     }
+
+    /**
+     * @return \DateTimeInterface
+     */
+    public function getDateAsInterface(): \DateTimeInterface
+    {
+        return $this->dateAsInterface;
+    }
+
+    /**
+     * @param \DateTimeInterface $dateAsInterface
+     */
+    public function setDateAsInterface(\DateTimeInterface $dateAsInterface)
+    {
+        $this->dateAsInterface = $dateAsInterface;
+    }
 }
diff --git a/Tests/Functional/FunctionalTest.php b/Tests/Functional/FunctionalTest.php
index a1ef239..baf9ae1 100644
--- a/Tests/Functional/FunctionalTest.php
+++ b/Tests/Functional/FunctionalTest.php
@@ -220,6 +220,10 @@ class FunctionalTest extends WebTestCase
                         'type' => 'string',
                         'enum' => ['disabled', 'enabled'],
                     ],
+                    'dateAsInterface' => [
+                        'type' => 'string',
+                        'format' => 'date-time',
+                    ]
                 ],
             ],
             $this->getModel('User')->toArray()

From 2f53cc9c122012390b9f453e55f7a606b8f9dd02 Mon Sep 17 00:00:00 2001
From: Ayrton Ricardo <ayrtonricardo.dasilva@check24.de>
Date: Mon, 10 Dec 2018 14:25:08 +0100
Subject: [PATCH 2/2] Add ',' in the end of array

---
 Tests/Functional/FunctionalTest.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Tests/Functional/FunctionalTest.php b/Tests/Functional/FunctionalTest.php
index baf9ae1..6b3ce63 100644
--- a/Tests/Functional/FunctionalTest.php
+++ b/Tests/Functional/FunctionalTest.php
@@ -223,7 +223,7 @@ class FunctionalTest extends WebTestCase
                     'dateAsInterface' => [
                         'type' => 'string',
                         'format' => 'date-time',
-                    ]
+                    ],
                 ],
             ],
             $this->getModel('User')->toArray()