feat: add Controller::validateData()

system/Controller.php

@@ -128,13 +128,36 @@ protected function loadHelpers()
  }
 
  /**
- * A shortcut to performing validation on input data. If validation
- * is not successful, a $errors property will be set on this class.
+ * A shortcut to performing validation on Request data.
  *
  * @param array|string $rules
  * @param array $messages An array of custom error messages
  */
  protected function validate($rules, array $messages = []): bool
+ {
+ $this->setValidator($rules, $messages);
+
+ return $this->validator->withRequest($this->request)->run();
+ }
+
+ /**
+ * A shortcut to performing validation on any input data.
+ *
+ * @param array $data The data to validate
+ * @param array|string $rules
+ * @param array $messages An array of custom error messages
+ */
+ protected function validateData(array $data, $rules, array $messages = []): bool
+ {
+ $this->setValidator($rules, $messages);
+
+ return $this->validator->run($data);
+ }
+
+ /**
+ * @param array|string $rules
+ */
+ private function setValidator($rules, array $messages): void
  {
  $this->validator = Services::validation();
 
@@ -157,6 +180,6 @@ protected function validate($rules, array $messages = []): bool
  $rules = $validation->{$rules};
  }
 
- return $this->validator->withRequest($this->request)->setRules($rules, $messages)->run();
+ $this->validator->setRules($rules, $messages);
  }
 }

tests/system/ControllerTest.php

@@ -168,6 +168,29 @@ public function testValidateWithStringRulesFoundUseMessagesParameter()
  $this->assertSame('You must choose a username.', Services::validation()->getError());
  }
 
+ public function testValidateData()
+ {
+ // make sure we can instantiate one
+ $this->controller = new Controller();
+ $this->controller->initController($this->request, $this->response, $this->logger);
+
+ $method = $this->getPrivateMethodInvoker($this->controller, 'validateData');
+
+ $data = [
+ 'username' => 'mike',
+ 'password' => '123',
+ ];
+ $rule = [
+ 'username' => 'required',
+ 'password' => 'required|min_length[10]',
+ ];
+ $this->assertFalse($method($data, $rule));
+ $this->assertSame(
+ 'The password field must be at least 10 characters in length.',
+ Services::validation()->getError('password')
+ );
+ }
+
  public function testHelpers()
  {
  $this->controller = new class () extends Controller {