Add return type hints to tests

benchmark/BaseBench.php

@@ -28,15 +28,12 @@ abstract class BaseBench
     /** @var DocumentManager */
     protected static $documentManager;
 
-    /**
-     * @return DocumentManager
-     */
-    protected function getDocumentManager()
+    protected function getDocumentManager(): DocumentManager
     {
         return self::$documentManager;
     }
 
-    public function initDocumentManager()
+    public function initDocumentManager(): void
     {
         $config = new Configuration();
 
@@ -59,7 +56,7 @@ public function initDocumentManager()
         self::$documentManager = DocumentManager::create($client, $config);
     }
 
-    public function clearDatabase()
+    public function clearDatabase(): void
     {
         // Check if the database exists. Calling listCollections on a non-existing
         // database in a sharded setup will cause an invalid command cursor to be
@@ -85,7 +82,7 @@ public function clearDatabase()
         }
     }
 
-    protected static function createMetadataDriverImpl()
+    protected static function createMetadataDriverImpl(): AnnotationDriver
     {
         return AnnotationDriver::create(__DIR__ . '/../tests/Documents');
     }

benchmark/Document/LoadDocumentBench.php

@@ -25,7 +25,7 @@ final class LoadDocumentBench extends BaseBench
     /** @var ObjectId */
     private static $userId;
 
-    public function init()
+    public function init(): void
     {
         self::$userId = new ObjectId();
 
@@ -58,23 +58,23 @@ public function init()
     /**
      * @Warmup(2)
      */
-    public function benchLoadDocument()
+    public function benchLoadDocument(): void
     {
         $this->loadDocument();
     }
 
     /**
      * @Warmup(2)
      */
-    public function benchLoadEmbedOne()
+    public function benchLoadEmbedOne(): void
     {
         $this->loadDocument()->getAddress()->getCity();
     }
 
     /**
      * @Warmup(2)
      */
-    public function benchLoadEmbedMany()
+    public function benchLoadEmbedMany(): void
     {
         $this->loadDocument()->getPhonenumbers()->forAll(static function (int $key, Phonenumber $element) {
             return $element->getPhoneNumber() !== null;
@@ -94,8 +94,8 @@ public function benchLoadReferenceOne()
      */
     public function benchLoadReferenceMany()
     {
-        $this->loadDocument()->getGroups()->forAll(static function ($key, Group $group) {
-            return $group->getName();
+        $this->loadDocument()->getGroups()->forAll(static function (int $key, Group $group) {
+            return $group->getName() !== null;
         });
     }
 

lib/Doctrine/ODM/MongoDB/DocumentManager.php

@@ -316,6 +316,8 @@ public function getClassMetadata($className): ClassMetadata
 
     /**
      * Returns the MongoDB instance for a class.
+     *
+     * @psalm-param class-string $className
      */
     public function getDocumentDatabase(string $className): Database
     {

phpcs.xml.dist

@@ -33,7 +33,6 @@
         <!-- Will cause BC breaks to method signatures - disabled for now -->
         <exclude name="SlevomatCodingStandard.TypeHints.ParameterTypeHint.MissingAnyTypeHint" />
         <exclude name="SlevomatCodingStandard.TypeHints.ParameterTypeHint.MissingNativeTypeHint" />
-        <exclude name="SlevomatCodingStandard.TypeHints.ReturnTypeHint.MissingAnyTypeHint" />
         <exclude name="SlevomatCodingStandard.TypeHints.ReturnTypeHint.MissingNativeTypeHint" />
 
         <!-- Disabled to avoid class renaming - to be handled in a separate PR -->
@@ -67,6 +66,10 @@
         <exclude-pattern>*/tests/*</exclude-pattern>
     </rule>
 
+    <rule ref="SlevomatCodingStandard.TypeHints.ReturnTypeHint.MissingAnyTypeHint">
+        <exclude-pattern>*/lib/*</exclude-pattern>
+    </rule>
+
     <rule ref="SlevomatCodingStandard.TypeHints.ReturnTypeHint.MissingNativeTypeHint">
         <!-- We do want to test generating collections without return types -->
         <exclude-pattern>*/tests/Doctrine/ODM/MongoDB/Tests/PersistentCollection/Coll*</exclude-pattern>

phpstan-baseline.neon

@@ -59,11 +59,6 @@ parameters:
             count: 1
             path: tests/Doctrine/ODM/MongoDB/Tests/Functional/CustomFieldNameTest.php
 
-        -
-            message: "#^Offset 'userId' does not exist on array\\(\\)\\|array\\('ids' \\=\\> array\\<int, mixed\\>&nonEmpty, \\?'userId' \\=\\> true\\)\\.$#"
-            count: 1
-            path: tests/Doctrine/ODM/MongoDB/Tests/Functional/CustomIdTest.php
-
         -
             message: "#^Cannot call method current\\(\\) on array\\|int\\|object\\.$#"
             count: 1
@@ -229,3 +224,9 @@ parameters:
             message: "#^Unreachable statement \\- code above always terminates\\.$#"
             count: 1
             path: lib/Doctrine/ODM/MongoDB/Types/DateImmutableType.php
+
+        # See https://github.com/phpstan/phpstan/issues/5512
+        -
+            message: "#^Method Doctrine\\\\ODM\\\\MongoDB\\\\Tests\\\\Functional\\\\My.*Collection\\:\\:.*\\(\\) should return Doctrine\\\\ODM\\\\MongoDB\\\\Tests\\\\Functional\\\\My.*Collection but returns Doctrine\\\\Common\\\\Collections\\\\ArrayCollection\\<\\(int\\|string\\), mixed\\>\\.$#"
+            count: 3
+            path: tests/Doctrine/ODM/MongoDB/Tests/Functional/CustomCollectionsTest.php

tests/Doctrine/ODM/MongoDB/Tests/BaseTest.php

@@ -104,10 +104,7 @@ public static function assertArraySubset($subset, $array, bool $checkForObjectId
         }
     }
 
-    /**
-     * @return MappingDriver
-     */
-    protected function createMetadataDriverImpl()
+    protected function createMetadataDriverImpl(): MappingDriver
     {
         return AnnotationDriver::create(__DIR__ . '/../../../../Documents');
     }
@@ -120,14 +117,17 @@ protected function createTestDocumentManager(): DocumentManager
         return DocumentManager::create($client, $config);
     }
 
-    protected function getServerVersion()
+    protected function getServerVersion(): string
     {
         $result = $this->dm->getClient()->selectDatabase(DOCTRINE_MONGODB_DATABASE)->command(['buildInfo' => 1])->toArray()[0];
 
         return $result['version'];
     }
 
-    protected function skipTestIfNotSharded($className): void
+    /**
+     * @psalm-param class-string $className
+     */
+    protected function skipTestIfNotSharded(string $className): void
     {
         $result = $this->dm->getDocumentDatabase($className)->command(['listCommands' => true])->toArray()[0];
 
@@ -138,7 +138,10 @@ protected function skipTestIfNotSharded($className): void
         $this->markTestSkipped('Test skipped because server does not support sharding');
     }
 
-    protected function skipTestIfSharded($className): void
+    /**
+     * @psalm-param class-string $className
+     */
+    protected function skipTestIfSharded(string $className): void
     {
         $result = $this->dm->getDocumentDatabase($className)->command(['listCommands' => true])->toArray()[0];
 
@@ -149,7 +152,7 @@ protected function skipTestIfSharded($className): void
         $this->markTestSkipped('Test does not apply on sharded clusters');
     }
 
-    protected function requireVersion($installedVersion, $requiredVersion, $operator, $message): void
+    protected function requireVersion(string $installedVersion, string $requiredVersion, ?string $operator, string $message): void
     {
         if (! version_compare($installedVersion, $requiredVersion, $operator)) {
             return;
@@ -158,12 +161,12 @@ protected function requireVersion($installedVersion, $requiredVersion, $operator
         $this->markTestSkipped($message);
     }
 
-    protected function skipOnMongoDB42($message): void
+    protected function skipOnMongoDB42(string $message): void
     {
         $this->requireVersion($this->getServerVersion(), '4.2.0', '>=', $message);
     }
 
-    protected function requireMongoDB42($message): void
+    protected function requireMongoDB42(string $message): void
     {
         $this->requireVersion($this->getServerVersion(), '4.2.0', '<', $message);
     }

tests/Doctrine/ODM/MongoDB/Tests/Functional/CustomCollectionsTest.php

@@ -277,14 +277,14 @@ public function __construct(string $name, bool $enabled)
 
 class MyEmbedsCollection extends ArrayCollection
 {
-    public function getByName($name)
+    public function getByName(string $name): MyEmbedsCollection
     {
         return $this->filter(static function ($item) use ($name) {
             return $item->name === $name;
         });
     }
 
-    public function getEnabled()
+    public function getEnabled(): MyEmbedsCollection
     {
         return $this->filter(static function ($item) {
             return $item->enabled;
@@ -305,7 +305,7 @@ public function nothingReally(): void
 
 class MyDocumentsCollection extends ArrayCollection
 {
-    public function havingEmbeds()
+    public function havingEmbeds(): MyDocumentsCollection
     {
         return $this->filter(static function ($item) {
             return $item->coll->count();

tests/Doctrine/ODM/MongoDB/Tests/Functional/CustomIdTest.php

@@ -81,7 +81,7 @@ public function testBatchInsertCustomId(): void
 
         $this->assertCount(2, $users);
 
-        $results = [];
+        $results = ['userId' => false];
         foreach ($users as $user) {
             if ($user->getId() === 'userId') {
                 $results['userId'] = true;

tests/Doctrine/ODM/MongoDB/Tests/Functional/CustomTypeTest.php

@@ -54,6 +54,8 @@ class DateCollectionType extends Type
 
     /**
      * Method called by PersistenceBuilder
+     *
+     * {@inheritDoc}
      */
     public function convertToDatabaseValue($value)
     {
@@ -74,6 +76,9 @@ public function convertToDatabaseValue($value)
         return $value;
     }
 
+    /**
+     * {@inheritDoc}
+     */
     public function convertToPHPValue($value)
     {
         if ($value === null) {

tests/Doctrine/ODM/MongoDB/Tests/Functional/DiscriminatorsDefaultValueTest.php

@@ -90,18 +90,21 @@ abstract class ParentDocument
      */
     protected $id;
 
-    /** @var ChildDocument|null */
+    /** @var ChildDocument */
     protected $referencedChild;
 
-    /** @var ChildDocument[] */
+    /** @var Collection<int, ChildDocument>|array<ChildDocument> */
     protected $referencedChildren;
 
-    /** @var ChildDocument|null */
+    /** @var ChildDocument */
     protected $embeddedChild;
 
-    /** @var ChildDocument[]  */
+    /** @var Collection<int, ChildDocument>|array<ChildDocument> */
     protected $embeddedChildren;
 
+    /**
+     * @param array{0: ChildDocument, 1: ChildDocument} $children
+     */
     public function __construct(array $children)
     {
         $this->referencedChild    = $children[0];
@@ -115,21 +118,27 @@ public function getId(): ?string
         return $this->id;
     }
 
-    public function getReferencedChild()
+    public function getReferencedChild(): ChildDocument
     {
         return $this->referencedChild;
     }
 
+    /**
+     * @return Collection<int, ChildDocument>|array<ChildDocument>
+     */
     public function getReferencedChildren()
     {
         return $this->referencedChildren;
     }
 
-    public function getEmbeddedChild()
+    public function getEmbeddedChild(): ChildDocument
     {
         return $this->embeddedChild;
     }
 
+    /**
+     * @return Collection<int, ChildDocument>|array<ChildDocument>
+     */
     public function getEmbeddedChildren()
     {
         return $this->embeddedChildren;
@@ -158,12 +167,12 @@ public function __construct(string $type)
         $this->type = $type;
     }
 
-    public function getId()
+    public function getId(): ?string
     {
         return $this->id;
     }
 
-    public function getType()
+    public function getType(): string
     {
         return $this->type;
     }

tests/Doctrine/ODM/MongoDB/Tests/Functional/DocumentPersisterTest.php

@@ -1035,6 +1035,9 @@ final class DocumentPersisterCustomIdType extends Type
 {
     use ClosureToPHP;
 
+    /**
+     * {@inheritdoc}
+     */
     public function convertToDatabaseValue($value)
     {
         if ($value instanceof ObjectId) {
@@ -1048,6 +1051,9 @@ public function convertToDatabaseValue($value)
         throw self::createException($value);
     }
 
+    /**
+     * {@inheritdoc}
+     */
     public function convertToPHPValue($value)
     {
         if ($value instanceof DocumentPersisterCustomTypedId) {

tests/Doctrine/ODM/MongoDB/Tests/Functional/EcommerceTest.php

@@ -86,7 +86,7 @@ public function testRemoveOption(): void
         $this->assertCount(2, $product->getOptions());
     }
 
-    protected function getProduct()
+    protected function getProduct(): ConfigurableProduct
     {
         $products = $this->dm->getRepository(ConfigurableProduct::class)
             ->createQueryBuilder()

tests/Doctrine/ODM/MongoDB/Tests/Functional/FilterTest.php

@@ -157,7 +157,7 @@ public function testRepositoryFindOneBy(): void
         $this->assertEquals('John', $this->getJohnsUsernameWithFindOneBy());
     }
 
-    protected function getJohnsUsernameWithFindOneBy()
+    protected function getJohnsUsernameWithFindOneBy(): ?string
     {
         $john = $this->dm->getRepository(User::class)->findOneBy(['id' => $this->ids['john']]);
 
@@ -235,7 +235,7 @@ public function testReferenceOne(): void
         $this->assertEquals('Timothy', $this->getProfileByReference());
     }
 
-    protected function getProfileByReference()
+    protected function getProfileByReference(): ?string
     {
         $tim = $this->dm->getRepository(User::class)->find($this->ids['tim']);