Specify unique node types via mapping to allow proper outer joins -- d…

…octrine#658.

lib/Doctrine/ODM/PHPCR/Mapping/Annotations/Document.php

@@ -61,4 +61,9 @@ class Document
      * @var boolean
      */
     public $referenceable;
+
+    /**
+     * @var boolean
+     */
+    public $uniqueNodeType;
 }

lib/Doctrine/ODM/PHPCR/Mapping/ClassMetadata.php

@@ -306,6 +306,13 @@ class ClassMetadata implements ClassMetadataInterface
      */
     public $referenceable = false;
 
+    /**
+     * READ-ONLY: If true, consider this document's node type to be unique among all mappings.
+     *
+     * @var bool
+     */
+    public $uniqueNodeType = false;
+
     /**
      * READ-ONLY: Strategy key to find field translations.
      * This is the key used for DocumentManagerInterface::getTranslationStrategy
@@ -611,6 +618,24 @@ public function setReferenceable($referenceable)
         $this->referenceable = $referenceable;
     }
 
+    /**
+     * @param bool $uniqueNodeType
+     */
+    public function setUniqueNodeType($uniqueNodeType)
+    {
+        $this->uniqueNodeType = $uniqueNodeType;
+    }
+
+    /**
+     * Return true if this document has a unique node type among all mappings.
+     *
+     * @return bool
+     */
+    public function hasUniqueNodeType()
+    {
+        return $this->uniqueNodeType;
+    }
+
     /**
      * @param string $nodeType
      */
@@ -1481,6 +1506,10 @@ public function __sleep()
             $serialized[] = 'referenceable';
         }
 
+        if ($this->uniqueNodeType) {
+            $serialized[] = 'uniqueNodeType';
+        }
+
         if ($this->lifecycleCallbacks) {
             $serialized[] = 'lifecycleCallbacks';
         }

lib/Doctrine/ODM/PHPCR/Mapping/Driver/AnnotationDriver.php

@@ -87,6 +87,10 @@ public function loadMetadataForClass($className, ClassMetadata $metadata)
             $metadata->setVersioned($documentAnnot->versionable);
         }
 
+        if (null !== $documentAnnot->uniqueNodeType) {
+            $metadata->setUniqueNodeType($documentAnnot->uniqueNodeType);
+        }
+
         if (null !== $documentAnnot->mixins) {
             $metadata->setMixins($documentAnnot->mixins);
         }

lib/Doctrine/ODM/PHPCR/Mapping/Driver/XmlDriver.php

@@ -79,6 +79,10 @@ public function loadMetadataForClass($className, ClassMetadata $class)
             $class->setReferenceable((bool) $xmlRoot['referenceable']);
         }
 
+        if (isset($xmlRoot['uniqueNodeType']) && $xmlRoot['uniqueNodeType'] !== 'false') {
+            $class->setUniqueNodeType((bool) $xmlRoot['uniqueNodeType']);
+        }
+
         if (isset($xmlRoot->mixins)) {
             $mixins = array();
             foreach ($xmlRoot->mixins->mixin as $mixin) {

lib/Doctrine/ODM/PHPCR/Mapping/Driver/YamlDriver.php

@@ -81,6 +81,10 @@ public function loadMetadataForClass($className, ClassMetadata $class)
             $class->setReferenceable($element['referenceable']);
         }
 
+        if (isset($element['uniqueNodeType']) && $element['uniqueNodeType']) {
+            $class->setUniqueNodeType($element['uniqueNodeType']);
+        }
+
         if (isset($element['mixins'])) {
             $mixins = array();
             foreach ($element['mixins'] as $mixin) {

lib/Doctrine/ODM/PHPCR/Query/Builder/ConverterPhpcr.php

@@ -197,6 +197,13 @@ public function getQuery(QueryBuilder $builder)
             );
         }
 
+        // be explicit in what we select
+        if (empty($this->columns)) {
+            foreach (array_keys($this->sourceDocumentNodes) as $selectorName) {
+                $this->columns[] = $this->qomf->column($selectorName);
+            }
+        }
+
         // for each document source add phpcr:{class,classparents} restrictions
         foreach ($this->sourceDocumentNodes as $sourceNode) {
             $documentFqn = $this->aliasMetadata[$sourceNode->getAlias()]->getName();
@@ -262,11 +269,6 @@ protected function walkSourceDocument(SourceDocument $node)
         $alias = $node->getAlias();
         $documentFqn = $node->getDocumentFqn();
 
-        // make sure we add the phpcr:{class,classparents} constraints
-        // From is dispatched first, so these will always be the primary
-        // constraints.
-        $this->sourceDocumentNodes[$alias] = $node;
-
         // cache the metadata for this document
         /** @var $meta ClassMetadata */
         $meta = $this->mdf->getMetadataFor($documentFqn);
@@ -283,6 +285,13 @@ protected function walkSourceDocument(SourceDocument $node)
         }
         $nodeType = $meta->getNodeType();
 
+        // make sure we add the phpcr:{class,classparents} constraints
+        // unless the document has a unique type; From is dispatched first,
+        // so these will always be the primary constraints.
+        if (!$meta->hasUniqueNodeType()) {
+            $this->sourceDocumentNodes[$alias] = $node;
+        }
+
         // get the PHPCR Alias
         $alias = $this->qomf->selector(
             $alias,

tests/Doctrine/Tests/Models/CMS/CmsProfile.php

@@ -0,0 +1,74 @@
+<?php
+
+namespace Doctrine\Tests\Models\CMS;
+
+use Doctrine\ODM\PHPCR\DocumentRepository;
+use Doctrine\ODM\PHPCR\Id\RepositoryIdInterface;
+use Doctrine\ODM\PHPCR\Mapping\Annotations as PHPCRODM;
+
+/**
+ * @PHPCRODM\Document(
+ *     nodeType="phpcr:cms_profile",
+ *     referenceable=true,
+ *     repositoryClass="Doctrine\Tests\Models\CMS\CmsProfileRepository",
+ *     uniqueNodeType=true
+ * )
+ */
+class CmsProfile
+{
+    /** @PHPCRODM\Id(strategy="repository") */
+    public $id;
+
+    /** @PHPCRODM\Uuid */
+    public $uuid;
+
+    /** @PHPCRODM\Field(type="string") */
+    public $data;
+
+    /** @PHPCRODM\ReferenceOne(targetDocument="CmsUser", cascade="persist") */
+    public $user;
+
+    public function getId()
+    {
+        return $this->id;
+    }
+
+    public function getUuid()
+    {
+        return $this->uuid;
+    }
+
+    public function setData($data)
+    {
+        $this->data = $data;
+    }
+
+    public function getData()
+    {
+        return $this->data;
+    }
+
+    public function setUser(CmsUser $user)
+    {
+        $this->user = $user;
+    }
+
+    public function getUser()
+    {
+        return $this->user;
+    }
+}
+
+class CmsProfileRepository extends DocumentRepository implements RepositoryIdInterface
+{
+    /**
+     * Generate a document id
+     *
+     * @param object $document
+     * @return string
+     */
+    public function generateId($document, $parent = null)
+    {
+        return '/functional/' . $document->user->username . '/' . $document->data;
+    }
+}

tests/Doctrine/Tests/Models/CMS/CmsUser.php

@@ -28,6 +28,8 @@ class CmsUser
     public $articles;
     /** @PHPCRODM\ReferenceMany(targetDocument="CmsGroup") */
     public $groups;
+    /** @PHPCRODM\ReferenceMany(targetDocument="CmsProfile") */
+    public $profiles;
     /** @PHPCRODM\Children() */
     public $children;
     /** @PHPCRODM\Child(nodeName="assistant", cascade="persist") */
@@ -82,6 +84,17 @@ public function getGroups()
     {
         return $this->groups;
     }
+
+    public function addProfile(CmsProfile $profile)
+    {
+        $this->profiles[] = $profile;
+        $profile->setUser($this);
+    }
+
+    public function getProfiles()
+    {
+        return $this->profiles;
+    }
 }
 
 class CmsUserRepository extends DocumentRepository implements RepositoryIdInterface

tests/Doctrine/Tests/ODM/PHPCR/Functional/QueryBuilderJoinTest.php

@@ -8,6 +8,7 @@
 use Doctrine\ODM\PHPCR\Query\Builder\AbstractNode as QBConstants;
 use Doctrine\Tests\ODM\PHPCR\PHPCRFunctionalTestCase;
 use Doctrine\Tests\Models\CMS\CmsAddress;
+use Doctrine\Tests\Models\CMS\CmsProfile;
 use Doctrine\Tests\Models\CMS\CmsUser;
 use Doctrine\Tests\Models\CMS\CmsAuditItem;
 
@@ -23,6 +24,9 @@ public function setUp()
 
         $this->resetFunctionalNode($this->dm);
 
+        $ntm = $this->dm->getPhpcrSession()->getWorkspace()->getNodeTypeManager();
+        $ntm->registerNodeTypesCnd('[phpcr:cms_profile] > nt:unstructured', true);
+
         $address1 = new CmsAddress;
         $address1->country = 'France';
         $address1->city = 'Lyon';
@@ -40,6 +44,11 @@ public function setUp()
         $user->address = $address1;
         $this->dm->persist($user);
 
+        $profile = new CmsProfile();
+        $profile->setData('testdata');
+        $user->addProfile($profile);
+        $this->dm->persist($profile);
+
         $user = new CmsUser;
         $user->username = 'winstonsmith';
         $user->address = $address2;
@@ -198,4 +207,33 @@ public function testEquiJoinInner($joinType, $leftClass, $rightClass, $criteria
             }
         }
     }
+
+    /**
+     * Verify that using an outer join on a document that is uniquely typed
+     * results in the full expected result set.
+     */
+    public function testUniqueNodeTypeOuterJoin()
+    {
+        $qb = $this->dm->createQueryBuilder()
+            ->fromDocument('Doctrine\Tests\Models\CMS\CmsUser', 'u')
+            ->addJoinLeftOuter()
+                ->right()->document('Doctrine\Tests\Models\CMS\CmsProfile', 'p')->end()
+                ->condition()->equi('u.profiles', 'p.uuid')
+            ->end()->end()
+            ->where()->orX()
+                ->eq()->field('u.username')->literal('winstonsmith')->end()
+                ->eq()->field('p.data')->literal('testdata')->end()
+            ->end()->end()
+            ->orderBy()->asc()->field('u.username')->end()->end();
+
+        $q = $qb->getQuery();
+        $phpcrQuery = $q->getPhpcrQuery();
+        $phpcrRes = $phpcrQuery->execute();
+        $phpcrRows = $phpcrRes->getRows();
+
+        $this->assertCount(2, $phpcrRows);
+        foreach ($phpcrRows as $key => $row) {
+            $this->assertEquals($key == 0 ? '/functional/dantleech' : '/functional/winstonsmith', $row->getPath('u'));
+        }
+    }
 }

tests/Doctrine/Tests/ODM/PHPCR/Functional/QueryBuilderTest.php

@@ -176,7 +176,7 @@ public function testComposite()
 
         switch ($qb->getQuery()->getLanguage()) {
             case 'JCR-SQL2':
-                $query = "SELECT * FROM [nt:unstructured] AS a WHERE ((a.username = 'dtl' OR a.username = 'js') AND (a.[phpcr:class] = 'Doctrine\Tests\Models\Blog\User' OR a.[phpcr:classparents] = 'Doctrine\Tests\Models\Blog\User'))";
+                $query = "SELECT a.* FROM [nt:unstructured] AS a WHERE ((a.username = 'dtl' OR a.username = 'js') AND (a.[phpcr:class] = 'Doctrine\Tests\Models\Blog\User' OR a.[phpcr:classparents] = 'Doctrine\Tests\Models\Blog\User'))";
                 break;
             case 'sql':
                 $query = "SELECT s FROM nt:unstructured AS a WHERE (a.username = 'dtl' OR a,username = 'js')";
@@ -193,7 +193,7 @@ public function testComposite()
 
         switch ($qb->getQuery()->getLanguage()) {
             case 'JCR-SQL2':
-                $query = "SELECT * FROM [nt:unstructured] AS a WHERE (((a.username = 'dtl' OR a.username = 'js') AND a.name = 'foobar') AND (a.[phpcr:class] = 'Doctrine\Tests\Models\Blog\User' OR a.[phpcr:classparents] = 'Doctrine\Tests\Models\Blog\User'))";
+                $query = "SELECT a.* FROM [nt:unstructured] AS a WHERE (((a.username = 'dtl' OR a.username = 'js') AND a.name = 'foobar') AND (a.[phpcr:class] = 'Doctrine\Tests\Models\Blog\User' OR a.[phpcr:classparents] = 'Doctrine\Tests\Models\Blog\User'))";
                 break;
             case 'sql':
                 $this->markTestIncomplete('Not testing SQL for sql query language');
@@ -212,7 +212,7 @@ public function testComposite()
 
         switch ($qb->getQuery()->getLanguage()) {
             case 'JCR-SQL2':
-                $query = "SELECT * FROM [nt:unstructured] AS a WHERE ((((a.username = 'dtl' OR a.username = 'js') AND a.name = 'foobar') OR a.name = 'johnsmith') AND (a.[phpcr:class] = 'Doctrine\Tests\Models\Blog\User' OR a.[phpcr:classparents] = 'Doctrine\Tests\Models\Blog\User'))";
+                $query = "SELECT a.* FROM [nt:unstructured] AS a WHERE ((((a.username = 'dtl' OR a.username = 'js') AND a.name = 'foobar') OR a.name = 'johnsmith') AND (a.[phpcr:class] = 'Doctrine\Tests\Models\Blog\User' OR a.[phpcr:classparents] = 'Doctrine\Tests\Models\Blog\User'))";
                 break;
             case 'sql':
                 $this->markTestIncomplete('Not testing SQL for sql query language');
@@ -399,7 +399,7 @@ public function testSameNode()
     }
 
     /**
-     * @expectedException InvalidArgumentException 
+     * @expectedException InvalidArgumentException
      * @expectedExceptionMessage Alias name "a" is not known
      */
     public function testConditionWithNonExistingAlias()

tests/Doctrine/Tests/ODM/PHPCR/Mapping/AbstractMappingDriverTest.php

@@ -453,6 +453,22 @@ public function testReferenceableMapping($class)
         $this->assertTrue($class->referenceable);
     }
 
+    public function testLoadUniqueNodeTypeMapping()
+    {
+        $className = 'Doctrine\Tests\ODM\PHPCR\Mapping\Model\UniqueNodeTypeMappingObject';
+
+        return $this->loadMetadataForClassname($className);
+    }
+
+    /**
+     * @depends testLoadUniqueNodeTypeMapping
+     * @param ClassMetadata $class
+     */
+    public function testUniqueNodeTypeMapping($class)
+    {
+        $this->assertTrue($class->uniqueNodeType);
+    }
+
     public function testLoadNodeTypeMapping()
     {
         $className = 'Doctrine\Tests\ODM\PHPCR\Mapping\Model\NodeTypeMappingObject';

tests/Doctrine/Tests/ODM/PHPCR/Mapping/ClassMetadataTest.php

@@ -224,24 +224,26 @@ public function testNewInstance(ClassMetadata $cm)
      */
     public function testSerialize(ClassMetadata $cm)
     {
-        $expected = 'O:40:"Doctrine\ODM\PHPCR\Mapping\ClassMetadata":19:{s:8:"nodeType";s:15:"nt:unstructured";s:10:"identifier";s:2:"id";s:4:"name";s:39:"Doctrine\Tests\ODM\PHPCR\Mapping\Person";s:11:"idGenerator";i:2;s:8:"mappings";a:5:{s:2:"id";a:7:{s:9:"fieldName";s:2:"id";s:2:"id";b:1;s:8:"strategy";s:8:"assigned";s:4:"type";s:6:"string";s:10:"multivalue";b:0;s:8:"nullable";b:0;s:8:"property";s:2:"id";}s:8:"username";a:5:{s:9:"fieldName";s:8:"username";s:8:"property";s:8:"username";s:4:"type";s:6:"string";s:10:"multivalue";b:0;s:8:"nullable";b:0;}s:7:"created";a:5:{s:9:"fieldName";s:7:"created";s:8:"property";s:7:"created";s:4:"type";s:8:"datetime";s:10:"multivalue";b:0;s:8:"nullable";b:0;}s:6:"locale";a:3:{s:9:"fieldName";s:6:"locale";s:4:"type";s:6:"locale";s:8:"property";s:6:"locale";}s:15:"translatedField";a:7:{s:9:"fieldName";s:15:"translatedField";s:10:"translated";b:1;s:8:"property";s:15:"translatedField";s:4:"type";s:6:"string";s:10:"multivalue";b:0;s:5:"assoc";N;s:8:"nullable";b:0;}}s:13:"fieldMappings";a:4:{i:0;s:2:"id";i:1;s:8:"username";i:2;s:7:"created";i:3;s:15:"translatedField";}s:17:"referenceMappings";a:0:{}s:17:"referrersMappings";a:0:{}s:22:"mixedReferrersMappings";a:0:{}s:16:"childrenMappings";a:0:{}s:13:"childMappings";a:0:{}s:25:"customRepositoryClassName";s:51:"Doctrine\Tests\ODM\PHPCR\Mapping\DocumentRepository";s:18:"isMappedSuperclass";b:1;s:11:"versionable";b:1;s:18:"lifecycleCallbacks";a:1:{s:8:"postLoad";a:1:{i:0;s:8:"callback";}}s:13:"inheritMixins";b:1;s:13:"localeMapping";s:6:"locale";s:10:"translator";s:9:"attribute";s:18:"translatableFields";a:1:{i:0;s:15:"translatedField";}}';
+        $expected = 'O:40:"Doctrine\ODM\PHPCR\Mapping\ClassMetadata":20:{s:8:"nodeType";s:15:"nt:unstructured";s:10:"identifier";s:2:"id";s:4:"name";s:39:"Doctrine\Tests\ODM\PHPCR\Mapping\Person";s:11:"idGenerator";i:2;s:8:"mappings";a:5:{s:2:"id";a:7:{s:9:"fieldName";s:2:"id";s:2:"id";b:1;s:8:"strategy";s:8:"assigned";s:4:"type";s:6:"string";s:10:"multivalue";b:0;s:8:"nullable";b:0;s:8:"property";s:2:"id";}s:8:"username";a:5:{s:9:"fieldName";s:8:"username";s:8:"property";s:8:"username";s:4:"type";s:6:"string";s:10:"multivalue";b:0;s:8:"nullable";b:0;}s:7:"created";a:5:{s:9:"fieldName";s:7:"created";s:8:"property";s:7:"created";s:4:"type";s:8:"datetime";s:10:"multivalue";b:0;s:8:"nullable";b:0;}s:6:"locale";a:3:{s:9:"fieldName";s:6:"locale";s:4:"type";s:6:"locale";s:8:"property";s:6:"locale";}s:15:"translatedField";a:7:{s:9:"fieldName";s:15:"translatedField";s:10:"translated";b:1;s:8:"property";s:15:"translatedField";s:4:"type";s:6:"string";s:10:"multivalue";b:0;s:5:"assoc";N;s:8:"nullable";b:0;}}s:13:"fieldMappings";a:4:{i:0;s:2:"id";i:1;s:8:"username";i:2;s:7:"created";i:3;s:15:"translatedField";}s:17:"referenceMappings";a:0:{}s:17:"referrersMappings";a:0:{}s:22:"mixedReferrersMappings";a:0:{}s:16:"childrenMappings";a:0:{}s:13:"childMappings";a:0:{}s:25:"customRepositoryClassName";s:51:"Doctrine\Tests\ODM\PHPCR\Mapping\DocumentRepository";s:18:"isMappedSuperclass";b:1;s:11:"versionable";b:1;s:14:"uniqueNodeType";b:1;s:18:"lifecycleCallbacks";a:1:{s:8:"postLoad";a:1:{i:0;s:8:"callback";}}s:13:"inheritMixins";b:1;s:13:"localeMapping";s:6:"locale";s:10:"translator";s:9:"attribute";s:18:"translatableFields";a:1:{i:0;s:15:"translatedField";}}';
 
         $cm->setCustomRepositoryClassName('DocumentRepository');
         $cm->setVersioned(true);
+        $cm->setUniqueNodeType(true);
         $cm->addLifecycleCallback('callback', 'postLoad');
         $cm->isMappedSuperclass = true;
         $this->assertEquals($expected, serialize($cm));
     }
 
     public function testUnserialize()
     {
-        $cm = unserialize('O:40:"Doctrine\ODM\PHPCR\Mapping\ClassMetadata":15:{s:8:"nodeType";s:15:"nt:unstructured";s:10:"identifier";s:2:"id";s:4:"name";s:39:"Doctrine\Tests\ODM\PHPCR\Mapping\Person";s:11:"idGenerator";i:1;s:8:"mappings";a:5:{s:2:"id";a:7:{s:9:"fieldName";s:2:"id";s:2:"id";b:1;s:8:"strategy";s:10:"repository";s:4:"type";s:6:"string";s:10:"multivalue";b:0;s:8:"nullable";b:0;s:8:"property";s:2:"id";}s:8:"username";a:5:{s:9:"fieldName";s:8:"username";s:8:"property";s:8:"username";s:4:"type";s:6:"string";s:10:"multivalue";b:0;s:8:"nullable";b:0;}s:7:"created";a:5:{s:9:"fieldName";s:7:"created";s:8:"property";s:7:"created";s:4:"type";s:8:"datetime";s:10:"multivalue";b:0;s:8:"nullable";b:0;}s:6:"locale";a:3:{s:9:"fieldName";s:6:"locale";s:4:"type";s:6:"locale";s:8:"property";s:6:"locale";}s:15:"translatedField";a:7:{s:9:"fieldName";s:15:"translatedField";s:4:"type";s:6:"string";s:10:"translated";b:1;s:8:"property";s:15:"translatedField";s:10:"multivalue";b:0;s:5:"assoc";N;s:8:"nullable";b:0;}}s:13:"fieldMappings";a:4:{i:0;s:2:"id";i:1;s:8:"username";i:2;s:7:"created";i:3;s:15:"translatedField";}s:17:"referenceMappings";a:0:{}s:17:"referrersMappings";a:0:{}s:22:"mixedReferrersMappings";a:0:{}s:16:"childrenMappings";a:0:{}s:13:"childMappings";a:0:{}s:25:"customRepositoryClassName";s:51:"Doctrine\Tests\ODM\PHPCR\Mapping\DocumentRepository";s:18:"isMappedSuperclass";b:1;s:11:"versionable";b:1;s:18:"lifecycleCallbacks";a:1:{s:8:"postLoad";a:1:{i:0;s:8:"callback";}}}');
+        $cm = unserialize('O:40:"Doctrine\ODM\PHPCR\Mapping\ClassMetadata":16:{s:8:"nodeType";s:15:"nt:unstructured";s:10:"identifier";s:2:"id";s:4:"name";s:39:"Doctrine\Tests\ODM\PHPCR\Mapping\Person";s:11:"idGenerator";i:1;s:8:"mappings";a:5:{s:2:"id";a:7:{s:9:"fieldName";s:2:"id";s:2:"id";b:1;s:8:"strategy";s:10:"repository";s:4:"type";s:6:"string";s:10:"multivalue";b:0;s:8:"nullable";b:0;s:8:"property";s:2:"id";}s:8:"username";a:5:{s:9:"fieldName";s:8:"username";s:8:"property";s:8:"username";s:4:"type";s:6:"string";s:10:"multivalue";b:0;s:8:"nullable";b:0;}s:7:"created";a:5:{s:9:"fieldName";s:7:"created";s:8:"property";s:7:"created";s:4:"type";s:8:"datetime";s:10:"multivalue";b:0;s:8:"nullable";b:0;}s:6:"locale";a:3:{s:9:"fieldName";s:6:"locale";s:4:"type";s:6:"locale";s:8:"property";s:6:"locale";}s:15:"translatedField";a:7:{s:9:"fieldName";s:15:"translatedField";s:4:"type";s:6:"string";s:10:"translated";b:1;s:8:"property";s:15:"translatedField";s:10:"multivalue";b:0;s:5:"assoc";N;s:8:"nullable";b:0;}}s:13:"fieldMappings";a:4:{i:0;s:2:"id";i:1;s:8:"username";i:2;s:7:"created";i:3;s:15:"translatedField";}s:17:"referenceMappings";a:0:{}s:17:"referrersMappings";a:0:{}s:22:"mixedReferrersMappings";a:0:{}s:16:"childrenMappings";a:0:{}s:13:"childMappings";a:0:{}s:25:"customRepositoryClassName";s:51:"Doctrine\Tests\ODM\PHPCR\Mapping\DocumentRepository";s:18:"isMappedSuperclass";b:1;s:11:"versionable";b:1;s:14:"uniqueNodeType";b:1;s:18:"lifecycleCallbacks";a:1:{s:8:"postLoad";a:1:{i:0;s:8:"callback";}}}');
 
         $this->assertInstanceOf('Doctrine\ODM\PHPCR\Mapping\ClassMetadata', $cm);
 
         $this->assertEquals(array('callback'), $cm->getLifecycleCallbacks('postLoad'));
         $this->assertTrue($cm->isMappedSuperclass);
         $this->assertTrue($cm->versionable);
+        $this->assertTrue($cm->uniqueNodeType);
         $this->assertTrue($cm->inheritMixins);
         $this->assertEquals('Doctrine\Tests\ODM\PHPCR\Mapping\DocumentRepository', $cm->customRepositoryClassName);
     }