Added tests for "Invalid transformer type in Kernel"

Author: WalterWoshid

src/Core/Container/TransformerManager.php

@@ -91,7 +91,9 @@ private function loadTransformer(mixed $transformerClassName): void
     {
         // Check if the transformer is already loaded
         if (array_key_exists($transformerClassName, $this->transformerContainers)) {
+            // @codeCoverageIgnoreStart
             return;
+            // @codeCoverageIgnoreEnd
         }
 
         // Validate the transformer
@@ -102,10 +104,6 @@ private function loadTransformer(mixed $transformerClassName): void
         // Instantiate the transformer
         if ($this->dependencyInjectionHandler) {
             $transformerInstance = ($this->dependencyInjectionHandler)($transformerClassName);
-
-            if (!($transformerInstance instanceof Transformer)) {
-                throw new InvalidTransformerClassException($transformerClassName);
-            }
         } else {
             try {
                 $transformerInstance = DI::make($transformerClassName);

tests/Functional/Transformer/InvalidTransformerClass/InvalidTransformerClassTest.php

@@ -3,24 +3,49 @@
 namespace Okapi\CodeTransformer\Tests\Functional\Transformer\InvalidTransformerClass;
 
 use Okapi\CodeTransformer\Core\Exception\Transformer\InvalidTransformerClassException;
+use Okapi\CodeTransformer\Core\Exception\Transformer\InvalidTransformerClassNameException;
 use Okapi\CodeTransformer\Core\Exception\Transformer\TransformerNotFoundException;
+use Okapi\CodeTransformer\Tests\Functional\Transformer\InvalidTransformerClass\Kernel\InvalidTransformerTypeKernel;
 use Okapi\CodeTransformer\Tests\Functional\Transformer\InvalidTransformerClass\Kernel\TransformerDoesNotExistKernel;
 use Okapi\CodeTransformer\Tests\Functional\Transformer\InvalidTransformerClass\Kernel\TransformerDoesNotExtendTransformerKernel;
+use Okapi\CodeTransformer\Tests\Util;
 use PHPUnit\Framework\Attributes\RunTestsInSeparateProcesses;
 use PHPUnit\Framework\TestCase;
 
 #[RunTestsInSeparateProcesses]
 class InvalidTransformerClassTest extends TestCase
 {
+    /**
+     * @see TransformerDoesNotExistKernel
+     */
     public function testTransformerNotFound(): void
     {
+        Util::clearCache();
+
         $this->expectException(TransformerNotFoundException::class);
 
         TransformerDoesNotExistKernel::init();
     }
 
+    /**
+     * @see InvalidTransformerTypeKernel
+     */
+    public function testInvalidTransformerType(): void
+    {
+        Util::clearCache();
+
+        $this->expectException(InvalidTransformerClassNameException::class);
+
+        InvalidTransformerTypeKernel::init();
+    }
+
+    /**
+     * @see TransformerDoesNotExtendTransformerKernel
+     */
     public function testTransformerDoesNotExtendTransformer(): void
     {
+        Util::clearCache();
+
         $this->expectException(InvalidTransformerClassException::class);
 
         TransformerDoesNotExtendTransformerKernel::init();

tests/Functional/Transformer/InvalidTransformerClass/Kernel/InvalidTransformerTypeKernel.php

@@ -0,0 +1,12 @@
+<?php
+
+namespace Okapi\CodeTransformer\Tests\Functional\Transformer\InvalidTransformerClass\Kernel;
+
+use Okapi\CodeTransformer\CodeTransformerKernel;
+
+class InvalidTransformerTypeKernel extends CodeTransformerKernel
+{
+    protected array $transformers = [
+        42,
+    ];
+}