test(validator): rename enum rule to in

src/Libs/Router.php

@@ -50,7 +50,7 @@ class Router
      *
      * @var callable $notFoundCallback
      */
-    public static $notFoundCallback = Router::defaultNotFound(...);
+    public static $notFoundCallback =  'Libs\Router::defaultNotFound';
 
     /**
      * Default callback function for when
@@ -72,7 +72,7 @@ class Router
      *
      * @var callable $exceptionCallback
      */
-    public static $exceptionCallback = Router::defaultException(...);
+    public static $exceptionCallback = 'Libs\Router::defaultException';
 
     /**
      * Default callback function for exception responses.

src/Libs/Validator.php

@@ -38,7 +38,7 @@ use Exception;
  * | url           |               | Must be a valid URL                         |
  * | date          |               | Must be a parseable date                    |
  * | regex         | :pattern      | Must match a PCRE pattern (with delimiters) |
- * | enum          | :a,b,c        | Must be one of the listed values            |
+ * | in            | :a,b,c        | Must be one of the listed values            |
  * | min           | :n            | Length/number/count min (files: KB)         |
  * | max           | :n            | Length/number/count max (files: KB)         |
  * | between       | :min,:max     | Value within range (files: KB per upload)   |
@@ -105,7 +105,7 @@ class Validator
      * | :size      | the size rule value                              |
      * | :value     | the required_if expected value                   |
      * | :other     | the required_if companion field / confirmation   |
-     * | :values    | a comma list (enum, mimes, required_with)        |
+     * | :values    | a comma list (in, mimes, required_with)          |
      * |----------+----------------------------------------------------|
      *
      * @var array<string,string>
@@ -122,7 +122,7 @@ class Validator
         'array'        => 'The :attribute must be an array.',
         'email'        => 'The :attribute must be a valid email address.',
         'url'          => 'The :attribute must be a valid URL.',
-        'enum'         => 'The selected :attribute is invalid. Allowed: :values.',
+        'in'           => 'The selected :attribute is invalid. Allowed: :values.',
         'min'          => 'The :attribute must be at least :min.',
         'max'          => 'The :attribute must not be greater than :max.',
         'between'      => 'The :attribute must be between :min and :max.',
@@ -243,7 +243,7 @@ class Validator
             case 'size':
                 $replace[':size'] = $args[0] ?? '';
                 break;
-            case 'enum':
+            case 'in':
             case 'mimes':
             case 'required_with':
                 $replace[':values'] = implode(', ', $args);
@@ -305,7 +305,7 @@ class Validator
      * arguments legitimately contain ':' or ',' - such as regex or mimes -
      * are preserved intact. The caller decides how to split the arguments.
      *
-     * @param string $rule The rule to parse. Ex: "regex:/^a,b$/" or "enum:a,b".
+     * @param string $rule The rule to parse. Ex: "regex:/^a,b$/" or "in:a,b".
      *
      * @return array A two element array: [name, rawArguments]. When the rule
      *               has no parameters, rawArguments is an empty string.
@@ -419,7 +419,7 @@ class Validator
      * Splits a rule's raw argument string into the arguments to pass to the
      * rule's method (the subject is not included).
      *
-     * Most rules take a comma-separated list of values (e.g. "enum:a,b").
+     * Most rules take a comma-separated list of values (e.g. "in:a,b").
      * A few rules receive an argument that must be kept intact because it can
      * legitimately contain commas or colons: "regex" (a pattern) and "not"
      * (a sub-rule that is itself parsed recursively). An empty argument string
@@ -810,7 +810,7 @@ class Validator
      *
      * @return bool
      */
-    public static function enum(mixed $subject, ...$values): bool
+    public static function in(mixed $subject, ...$values): bool
     {
         return in_array($subject, $values);
     }

tests/Unit/RouterTest.php

@@ -8,7 +8,9 @@ use Libs\Request;
 use Libs\Router;
 use LogicException;
 use PDOException;
+use PHPUnit\Framework\Attributes\RunInSeparateProcess;
 use PHPUnit\Framework\Attributes\Test;
+use ReflectionClass;
 use ReflectionProperty;
 use Tests\TestCase;
 use TypeError;
@@ -21,7 +23,10 @@ use TypeError;
  * negociacion por Accept entre representacion JSON y texto plano. Tambien la
  * frontera de Router::apply(): que toda excepcion de la cadena (middlewares,
  * callback final, notFound) llegue al $exceptionCallback deteniendo la
- * ejecucion sin exit() y dejando intacto el flujo normal.
+ * ejecucion sin exit() y dejando intacto el flujo normal. Tambien que los
+ * valores por defecto declarados en las propiedades $notFoundCallback y
+ * $exceptionCallback (callables string) se resuelvan de punta a punta a
+ * traves de Synapsis::resolve() dentro de apply().
  */
 final class RouterTest extends TestCase
 {
@@ -36,7 +41,7 @@ final class RouterTest extends TestCase
         $this->postBackup = $_POST;
         $_SERVER['REQUEST_METHOD'] = 'GET';
         unset($_SERVER['HTTP_ACCEPT']);
-        http_response_code(200);
+        @http_response_code(200); // Ver tearDown: inofensivo mientras no haya un header('HTTP/...') activo.
         $this->resetRouterState();
     }
 
@@ -45,7 +50,11 @@ final class RouterTest extends TestCase
         $_SERVER = $this->serverBackup;
         $_GET = $this->getBackup;
         $_POST = $this->postBackup;
-        http_response_code(200);
+        // El @ cubre el warning de PHP 8.5 ("...has no effect") que dispara
+        // cualquier http_response_code() posterior a un header('HTTP/...'),
+        // inevitable en el proceso aislado del test de notFound (el valor
+        // se aplica igualmente, como confirma el getter).
+        @http_response_code(200);
         $this->resetRouterState();
     }
 
@@ -243,6 +252,46 @@ final class RouterTest extends TestCase
         $this->assertSame(400, $caught[0]->getCode(), 'The status channel must survive custom exception types');
         $this->assertFalse($finalRan, 'A Request that throws during DI resolution must stop the route');
     }
+
+    #[Test]
+    public function declaredDefaultExceptionCallbackRendersThroughTheBoundary(): void
+    {
+        // Se fuerza el valor declarado en la clase, no el que reasigna
+        // resetRouterState(): es justo el camino property default ->
+        // Synapsis::resolve(string callable) que debe seguir funcionando.
+        Router::$exceptionCallback = (new ReflectionClass(Router::class))
+            ->getDefaultProperties()['exceptionCallback'];
+
+        Router::get('/default-exception', function (): void {
+            throw new Exception('rendered by the default handler', 422);
+        });
+
+        ob_start();
+        Router::apply('/default-exception');
+        $output = ob_get_clean();
+
+        $this->assertSame(422, http_response_code(), 'The declared default handler must derive the status from the code');
+        $this->assertStringContainsString('rendered by the default handler', $output);
+        $this->assertStringContainsString('#0', $output, 'The declared default handler must render the plain text trace');
+    }
+
+    #[Test]
+    #[RunInSeparateProcess]
+    public function declaredDefaultNotFoundCallbackRendersThe404Body(): void
+    {
+        Router::$notFoundCallback = (new ReflectionClass(Router::class))
+            ->getDefaultProperties()['notFoundCallback'];
+
+        ob_start();
+        Router::apply('/no-such-route');
+        $output = ob_get_clean();
+
+        // Proceso aislado: defaultNotFound() emite header('HTTP/1.0 404 ...') y en
+        // PHP 8.5 eso hace que TODO http_response_code() posterior avise, sin forma
+        // de limpiar el estado en el mismo proceso. En CLI el header no toca
+        // http_response_code(), asi que la asercion util es el cuerpo renderizado.
+        $this->assertStringContainsString('Error 404 - Page Not Found', $output);
+    }
 }
 
 // phpcs:disable PSR1.Classes.ClassDeclaration.MultipleClasses

tests/Unit/ValidatorTest.php

@@ -81,10 +81,18 @@ final class ValidatorTest extends TestCase
 
     #[Test]
 
-    public function enumIsLooseComparison(): void
+    public function inIsLooseComparison(): void
     {
-        $this->assertTrue(Validator::checkRule('1', 'enum:1,2,3'));
+        $this->assertTrue(Validator::checkRule('1', 'in:1,2,3'));
-        $this->assertFalse(Validator::checkRule('9', 'enum:1,2,3'));
+        $this->assertFalse(Validator::checkRule('9', 'in:1,2,3'));
+    }
+
+    #[Test]
+
+    public function enumRuleIsNoLongerRecognized(): void
+    {
+        $this->expectException(\Exception::class);
+        Validator::checkRule('1', 'enum:1,2,3');
     }
 
     #[Test]
@@ -100,7 +108,7 @@ final class ValidatorTest extends TestCase
     public function parseRule(): void
     {
         $this->assertSame(['required', ''], Validator::parseRule('required'));
-        $this->assertSame(['enum', 'a,b'], Validator::parseRule('enum:a,b'));
+        $this->assertSame(['in', 'a,b'], Validator::parseRule('in:a,b'));
         $this->assertSame(['regex', '/^a,b$/'], Validator::parseRule('regex:/^a,b$/'));
     }
 
@@ -168,7 +176,7 @@ final class ValidatorTest extends TestCase
         );
         $this->assertSame(
             'The selected status is invalid. Allowed: a, b, c.',
-            Validator::message('status.enum:a,b,c')
+            Validator::message('status.in:a,b,c')
         );
         $this->assertSame(
             'The reason field is required when mode is other.',