add more tests for backends.Common

tests/Backends/Common/ErrorTest.php

@@ -89,5 +89,11 @@ class ErrorTest extends TestCase
             $error->hasException(),
             'hasException() should return true if previous exception is set.'
         );
+
+        $this->assertStringContainsString(
+            'message with no tags',
+            $error->__toString(),
+            '__toString() should return the message.'
+        );
     }
 }

tests/Backends/Common/ResponseTest.php

@@ -5,10 +5,16 @@ declare(strict_types=1);
 namespace Tests\Backends\Common;
 
 use App\Backends\Common\Error;
+use App\Libs\Exceptions\Backends\RuntimeException;
 use App\Libs\TestCase;
+use App\Libs\Uri;
+use Monolog\Handler\NullHandler;
+use Monolog\Logger;
 
 class ResponseTest extends TestCase
 {
+    use \App\Backends\Common\CommonTrait;
+
     public function test_backend_response_object(): void
     {
         $response = new \App\Backends\Common\Response(
@@ -49,4 +55,46 @@ class ResponseTest extends TestCase
         );
     }
 
+    public function test_tryResponse(): void
+    {
+        $context = new \App\Backends\Common\Context(
+            clientName: 'test',
+            backendName: 'test',
+            backendUrl: new Uri('https://example.com'),
+            cache: new \App\Backends\Common\Cache(
+                logger: new Logger('test', [new NullHandler()]),
+                cache: new \Symfony\Component\Cache\Psr16Cache(
+                    new \Symfony\Component\Cache\Adapter\NullAdapter()
+                ),
+            ),
+            trace: false,
+        );
+
+        $response = (fn() => $this->tryResponse($context, fn() => throw new RuntimeException('test', 500)))();
+
+        $this->assertTrue(
+            $response->hasError(),
+            'Response object should not have an error if error is null.'
+        );
+
+        $this->assertNull(
+            $response->response,
+            'Response object should have the same response as the one passed in the constructor.'
+        );
+
+        $this->assertInstanceOf(
+            Error::class,
+            $response->getError(),
+            'getError() should return an Error object in all cases even if error is null.'
+        );
+
+        $response = (fn() => $this->tryResponse($context, fn() => 'i am teapot'))();
+
+        $this->assertSame(
+            'i am teapot',
+            $response->response,
+            'Response object should have the same response as the one passed in the constructor.'
+        );
+    }
+
 }