Fix error while making blob in entity

Author: mdoutreluingne

src/Util/ClassSourceManipulator.php

@@ -266,7 +266,7 @@ public function addGetter(string $propertyName, $returnType, bool $isReturnTypeN
         $this->addCustomGetter($propertyName, $methodName, $returnType, $isReturnTypeNullable, $commentLines);
     }
 
-    public function addSetter(string $propertyName, string $type, bool $isNullable, array $commentLines = []): void
+    public function addSetter(string $propertyName, ?string $type, bool $isNullable, array $commentLines = []): void
     {
         $builder = $this->createSetterNodeBuilder($propertyName, $type, $isNullable, $commentLines);
         $builder->addStmt(

tests/Util/ClassSourceManipulatorTest.php

@@ -127,7 +127,7 @@ public function getAddGetterTests(): \Generator
     /**
      * @dataProvider getAddSetterTests
      */
-    public function testAddSetter(string $sourceFilename, string $propertyName, string $type, bool $isNullable, array $commentLines, $expectedSourceFilename): void
+    public function testAddSetter(string $sourceFilename, string $propertyName, ?string $type, bool $isNullable, array $commentLines, $expectedSourceFilename): void
     {
         $source = file_get_contents(__DIR__.'/fixtures/source/'.$sourceFilename);
         $expectedSource = file_get_contents(__DIR__.'/fixtures/add_setter/'.$expectedSourceFilename);
@@ -169,6 +169,15 @@ public function getAddSetterTests(): \Generator
             [],
             'User_empty.php',
         ];
+
+        yield 'setter_null_type' => [
+            'User_simple.php',
+            'fooProp',
+            null,
+            false,
+            [],
+            'User_simple.php',
+        ];
     }
 
     /**