From 9caef624896c1f7ac181038f899e02aa18dd8154 Mon Sep 17 00:00:00 2001
From: Mathieu De Zutter <mathieu@dezutter.org>
Date: Wed, 5 Nov 2014 07:08:17 +0100
Subject: [PATCH] Test case for merging entities with associations to identical
 entities.

---
 .../Functional/MergeSharedEntitiesTest.php    | 125 ++++++++++++++++++
 1 file changed, 125 insertions(+)
 create mode 100644 tests/Doctrine/Tests/ORM/Functional/MergeSharedEntitiesTest.php

diff --git a/tests/Doctrine/Tests/ORM/Functional/MergeSharedEntitiesTest.php b/tests/Doctrine/Tests/ORM/Functional/MergeSharedEntitiesTest.php
new file mode 100644
index 000000000..e367e5277
--- /dev/null
+++ b/tests/Doctrine/Tests/ORM/Functional/MergeSharedEntitiesTest.php
@@ -0,0 +1,125 @@
+<?php
+
+
+namespace Doctrine\Tests\ORM\Functional;
+
+
+use Doctrine\ORM\Tools\ToolsException;
+
+class MergeSharedEntitiesTest extends \Doctrine\Tests\OrmFunctionalTestCase
+{
+
+    protected function setUp()
+    {
+        parent::setUp();
+
+        try {
+            $this->_schemaTool->createSchema(
+                array(
+                    $this->_em->getClassMetadata(__NAMESPACE__ . '\MSEFile'),
+                    $this->_em->getClassMetadata(__NAMESPACE__ . '\MSEPicture'),
+                )
+            );
+        } catch (ToolsException $ignored) {
+        }
+    }
+
+    public function testMergeSharedNewEntities()
+    {
+
+        /** @var MSEPicture $picture */
+        $file = new MSEFile;
+
+        $picture = new MSEPicture;
+        $picture->file = $file;
+        $picture->otherFile = $file;
+
+        $em = $this->_em;
+
+        $picture = $em->merge($picture);
+
+        $this->assertEquals($picture->file, $picture->otherFile, "Identical entities must remain identical");
+    }
+
+    public function testMergeSharedManagedEntities()
+    {
+
+        /** @var MSEPicture $picture */
+        $file = new MSEFile;
+
+        $picture = new MSEPicture;
+        $picture->file = $file;
+        $picture->otherFile = $file;
+
+        $em = $this->_em;
+        $em->persist($file);
+        $em->flush();
+        $em->clear();
+
+        $picture = $em->merge($picture);
+
+        $this->assertEquals($picture->file, $picture->otherFile, "Identical entities must remain identical");
+    }
+
+    public function testMergeSharedManagedEntitiesSerialize()
+    {
+
+        /** @var MSEPicture $picture */
+        $file = new MSEFile;
+
+        $picture = new MSEPicture;
+        $picture->file = $file;
+        $picture->otherFile = $file;
+
+        $serializedPicture = serialize($picture);
+
+        $em = $this->_em;
+        $em->persist($file);
+        $em->flush();
+        $em->clear();
+
+        $picture = unserialize($serializedPicture);
+        $picture = $em->merge($picture);
+
+        $this->assertEquals($picture->file, $picture->otherFile, "Identical entities must remain identical");
+    }
+
+}
+
+/**
+ * @Entity
+ */
+class MSEPicture
+{
+    /**
+     * @Column(name="picture_id", type="integer")
+     * @Id @GeneratedValue
+     */
+    public $pictureId;
+
+    /**
+     * @ManyToOne(targetEntity="MSEFile", cascade={"persist", "merge"})
+     * @JoinColumn(name="file_id", referencedColumnName="file_id")
+     */
+    public $file;
+
+    /**
+     * @ManyToOne(targetEntity="MSEFile", cascade={"persist", "merge"})
+     * @JoinColumn(name="other_file_id", referencedColumnName="file_id")
+     */
+    public $otherFile;
+}
+
+/**
+ * @Entity
+ */
+class MSEFile
+{
+    /**
+     * @Column(name="file_id", type="integer")
+     * @Id
+     * @GeneratedValue(strategy="AUTO")
+     */
+    public $fileId;
+
+}