Added more tests

src/Api/Handler/IlluminateValidationExceptionHandler.php

@@ -31,8 +31,17 @@ class IlluminateValidationExceptionHandler implements ExceptionHandlerInterface
     public function handle(Exception $e)
     {
         $status = 422;
+        $errors = $this->formatErrors($e->errors()->toArray());
 
-        $errors = $e->errors()->toArray();
+        return new ResponseBag($status, $errors);
+    }
+
+    /**
+     * @param array $errors
+     * @return array
+     */
+    protected function formatErrors(array $errors)
+    {
         $errors = array_map(function ($field, $messages) {
             return [
                 'detail' => implode("\n", $messages),
@@ -40,6 +49,6 @@ class IlluminateValidationExceptionHandler implements ExceptionHandlerInterface
             ];
         }, array_keys($errors), $errors);
 
-        return new ResponseBag($status, $errors);
+        return $errors;
     }
 }

tests/Flarum/Api/Handler/FloodingExceptionHandlerTest.php

@@ -1,5 +1,5 @@
 <?php
-namespace tests\Flarum\Api\Handler;
+namespace Tests\Flarum\Api\Handler;
 
 use Flarum\Api\Handler\FloodingExceptionHandler;
 use Flarum\Core\Exception\FloodingException;

tests/Flarum/Api/Handler/IlluminateValidationExceptionHandlerTest.php

@@ -0,0 +1,35 @@
+<?php
+namespace Tests\Flarum\Api\Handler;
+
+use Flarum\Api\Handler\ValidationExceptionHandler;
+use Flarum\Core\Exception\ValidationException;
+use Tests\Test\TestCase;
+
+class IlluminateValidationExceptionHandlerTest extends TestCase
+{
+    private $handler;
+
+    public function init()
+    {
+        $this->handler = new ValidationExceptionHandler;
+    }
+
+    public function test_it_handles_familiar_exceptions()
+    {
+        $validException = new ValidationException(['messages']);
+
+        $this->assertFalse($this->handler->manages(new \Exception));
+        $this->assertTrue($this->handler->manages($validException));
+    }
+
+    public function test_it_creates_the_desired_output()
+    {
+        $this->markTestIncomplete();
+        
+        $exception = new ValidationException(['field' => ['Some error']]);
+
+        $response = $this->handler->handle($exception);
+
+        $this->assertEquals(422, $response->getStatus());
+    }
+}