Create a failing test for issue doctrine#5989

Field with type=array in a joined inheritance gets overridden by empty array in the hydrator

tests/Doctrine/Tests/Models/Issue5989/Issue5989Employee.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace Doctrine\Tests\Models\Issue5989;
+
+/**
+ * @Entity
+ * @Table(name="issue5989_employees")
+ */
+class Issue5989Employee extends Issue5989Person
+{
+    /**
+     * @column(type="array", nullable=true)
+     *
+     * @var array
+     */
+    private $tags = [];
+
+    public function getTags()
+    {
+        return $this->tags;
+    }
+
+    public function setTags(array $tags)
+    {
+        $this->tags = $tags;
+    }
+}

tests/Doctrine/Tests/Models/Issue5989/Issue5989Manager.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace Doctrine\Tests\Models\Issue5989;
+
+/**
+ * @Entity
+ * @Table(name="issue5989_managers")
+ */
+class Issue5989Manager extends Issue5989Employee
+{
+    /**
+     * @column(type="array", nullable=true)
+     *
+     * @var array
+     */
+    private $tags = [];
+
+    public function getTags()
+    {
+        return $this->tags;
+    }
+
+    public function setTags(array $tags)
+    {
+        $this->tags = $tags;
+    }
+}

tests/Doctrine/Tests/Models/Issue5989/Issue5989Person.php

@@ -0,0 +1,29 @@
+<?php
+
+namespace Doctrine\Tests\Models\Issue5989;
+
+/**
+ * @Entity
+ * @Table(name="issue5989_persons")
+ * @InheritanceType("JOINED")
+ * @DiscriminatorColumn(name="discr", type="string")
+ * @DiscriminatorMap({
+ *      "person"    = "Issue5989Person",
+ *      "manager"   = "Issue5989Manager",
+ *      "employee"  = "Issue5989Employee"
+ * })
+ */
+class Issue5989Person
+{
+    /**
+     * @Id
+     * @Column(type="integer")
+     * @GeneratedValue
+     */
+    private $id;
+
+    public function getId()
+    {
+        return  $this->id;
+    }
+}

tests/Doctrine/Tests/ORM/Functional/Ticket/Issue5989Test.php

@@ -0,0 +1,51 @@
+<?php
+
+namespace Doctrine\Tests\ORM\Functional\Ticket;
+
+use Doctrine\Tests\Models\Issue5989\Issue5989Employee;
+use Doctrine\Tests\Models\Issue5989\Issue5989Manager;
+use Doctrine\Tests\Models\Issue5989\Issue5989Person;
+
+/**
+ * @group issue-5989
+ */
+class Issue5989Test extends \Doctrine\Tests\OrmFunctionalTestCase
+{
+    public function setUp()
+    {
+        $this->useModelSet('issue5989');
+        parent::setUp();
+    }
+
+    public function testArrayTypeHydratedCorrectlyInJoinedInheritance()
+    {
+        $manager = new Issue5989Manager();
+
+        $managerTags = array('tag2', 'tag3');
+        $manager->setTags($managerTags);
+        $this->_em->persist($manager);
+
+        $employee = new Issue5989Employee();
+
+        $employeeTags = array('tag1', 'tag2');
+        $employee->setTags($employeeTags);
+        $this->_em->persist($employee);
+
+        $this->_em->flush();
+
+        $personId = $employee->getId();
+        $managerId = $manager->getId();
+
+        // clear entity manager so that $repository->find actually fetches them and uses the hydrator
+        // instead of just returning the existing managed entities
+        $this->_em->clear();
+
+        $repository = $this->_em->getRepository(Issue5989Person::class);
+
+        $employee = $repository->find($personId);
+        $manager = $repository->find($managerId);
+
+        static::assertEquals($employeeTags, $employee->getTags());
+        static::assertEquals($managerTags, $manager->getTags());
+    }
+}

tests/Doctrine/Tests/OrmFunctionalTestCase.php

@@ -295,6 +295,11 @@ abstract class OrmFunctionalTestCase extends OrmTestCase
             'Doctrine\Tests\Models\VersionedManyToOne\Category',
             'Doctrine\Tests\Models\VersionedManyToOne\Article',
         ),
+        'issue5989' => array(
+            'Doctrine\Tests\Models\Issue5989\Issue5989Person',
+            'Doctrine\Tests\Models\Issue5989\Issue5989Employee',
+            'Doctrine\Tests\Models\Issue5989\Issue5989Manager',
+        ),
     );
 
     /**
@@ -563,6 +568,12 @@ protected function tearDown()
             $conn->executeUpdate('DELETE FROM versioned_many_to_one_category');
         }
 
+        if (isset($this->_usedModelSets['issue5989'])) {
+            $conn->executeUpdate('DELETE FROM issue5989_persons');
+            $conn->executeUpdate('DELETE FROM issue5989_employees');
+            $conn->executeUpdate('DELETE FROM issue5989_managers');
+        }
+
         $this->_em->clear();
     }