ENGCOM-7532: Improve developer experience: RuntimeException thrown by AbstractFactory::createObject now contains the reason. #26572

Author: slavvka

lib/internal/Magento/Framework/ObjectManager/Factory/AbstractFactory.php

@@ -129,7 +129,10 @@ protected function createObject($type, $args)
             );
 
             throw new RuntimeException(
-                new Phrase('Type Error occurred when creating object: %type', ['type' => $type])
+                new Phrase('Type Error occurred when creating object: %type, %msg', [
+                    'type' => $type,
+                    'msg' => $exception->getMessage()
+                ])
             );
         }
     }

lib/internal/Magento/Framework/ObjectManager/Test/Unit/Factory/CompiledTest.php

@@ -7,6 +7,7 @@
 
 namespace Magento\Framework\ObjectManager\Test\Unit\Factory;
 
+use Magento\Framework\Exception\RuntimeException;
 use Magento\Framework\ObjectManager\ConfigInterface;
 use Magento\Framework\ObjectManager\DefinitionInterface;
 use Magento\Framework\ObjectManager\Factory\Compiled;
@@ -19,6 +20,8 @@
 use PHPUnit\Framework\TestCase;
 
 /**
+ * Test for \Magento\Framework\ObjectManager\Factory\Compiled.
+ *
  * @SuppressWarnings(PHPMD.CouplingBetweenObjects)
  */
 class CompiledTest extends TestCase
@@ -116,6 +119,27 @@ public function testCreateSimple()
         $this->assertNull($result->getNullValue());
     }
 
+    /**
+     * Create class with exception
+     *
+     * @return void
+     */
+    public function testCreateSimpleWithException(): void
+    {
+        $requestedType = 'requestedType';
+        $className = SimpleClassTesting::class;
+
+        $this->config->expects($this->atLeastOnce())
+            ->method('getInstanceType')
+            ->willReturn($className);
+
+        $this->expectException(RuntimeException::class);
+        $this->expectExceptionMessage(
+            'Type Error occurred when creating object: ' . $className . ', Too few arguments to function ' . $className
+        );
+        $this->factory->create($requestedType, []);
+    }
+
     /**
      * Test create simple configured arguments
      */