Make 'safe' validator work on write-only properties

fixes #12605

framework/CHANGELOG.md

@@ -44,9 +44,10 @@ Yii Framework 2 Change Log
 - Bug #12537: Fixes issues with spaces in `StringHelper:truncateHtml` (Alex-Code)
 - Bug #12554: Fixed `yii\validators\UniqueValidator` error of getting first model indexed by field (DrDeath72)
 - Bug #12599: Fixed casting of `binary()` type for MSSQL (silverfire)
+- Bug #12605: Make 'safe' validator work on write-only properties (arthibald, CeBe)
 - Bug #12629: Fixed `yii\widgets\ActiveField::widget()` to call `adjustLabelFor()` for `InputWidget` descendants (coderlex)
 - Bug #12649: Fixed consistency of `indexBy` handling for `yii\db\Query::column()` (silverfire)
-- Enh #384: Added ability to run migration from several locations via `yii\console\controllers\BaseMigrateController::migrationNamespaces` (klimov-paul)
+- Enh #384: Added ability to run migration from several locations via `yii\console\controllers\BaseMigrateController::$migrationNamespaces` (klimov-paul)
 - Enh #6996: Added `yii\web\MultipartFormDataParser`, which allows proper processing of 'multipart/form-data' encoded non POST requests (klimov-paul)
 - Enh #8719: Add support for HTML5 attributes on submitbutton (formaction/formmethod...) for ActiveForm (VirtualRJ)
 - Enh #9469: Added support for namespaced migrations via `yii\console\controllers\BaseMigrateController::migrationNamespaces` (klimov-paul)

framework/validators/SafeValidator.php

@@ -23,6 +23,13 @@ namespace yii\validators;
  */
 class SafeValidator extends Validator
 {
+    /**
+     * @inheritdoc
+     */
+    public function validateAttributes($model, $attributes = null)
+    {
+    }
+
     /**
      * @inheritdoc
      */

tests/framework/base/ModelTest.php

@@ -398,6 +398,20 @@ class ModelTest extends TestCase
         $invalid = new InvalidRulesModel();
         $invalid->createValidators();
     }
+
+    /**
+     * Ensure 'safe' validator works for write-only properties.
+     * Normal validator can not work here though.
+     */
+    public function testValidateWriteOnly()
+    {
+        $model = new WriteOnlyModel();
+
+        $model->setAttributes(['password' => 'test'], true);
+        $this->assertEquals('test', $model->passwordHash);
+
+        $this->assertTrue($model->validate());
+    }
 }
 
 class ComplexModel1 extends Model
@@ -423,3 +437,20 @@ class ComplexModel2 extends Model
         ];
     }
 }
+
+class WriteOnlyModel extends Model
+{
+    public $passwordHash;
+
+    public function rules()
+    {
+        return [
+            [['password'],'safe'],
+        ];
+    }
+
+    public function setPassword($pw)
+    {
+        $this->passwordHash = $pw;
+    }
+}