implement masked input tests

tests/framework/widgets/MaskedInputTest.php

@@ -0,0 +1,72 @@
+<?php
+/**
+ * @link https://www.yiiframework.com/
+ * @copyright Copyright (c) 2008 Yii Software LLC
+ * @license https://www.yiiframework.com/license/
+ */
+
+namespace yiiunit\framework\widgets;
+
+use Yii;
+use yii\web\AssetManager;
+use yii\web\View;
+use yii\widgets\MaskedInput;
+
+/**
+ * @group widgets
+ */
+class MaskedInputTest extends \yiiunit\TestCase
+{
+    /**
+     * @var MaskedInput
+     */
+    private $maskedInput;
+
+    protected function setUp(): void
+    {
+        parent::setUp();
+        $this->mockApplication();
+
+        Yii::setAlias('@testWeb', '/');
+        Yii::setAlias('@testWebRoot', '@yiiunit/data/web');
+        Yii::setAlias('@bower', '@app/../vendor/bower-asset');
+
+        $this->maskedInput = new MaskedInput([
+            'name' => 'phone',
+            'mask' => '999-999-9999'
+        ]);
+
+        $this->maskedInput->setView($this->getView());
+
+    }
+
+    public function testMaskedInputValidState()
+    {
+        $this->maskedInput->name = 'phone';
+        $this->maskedInput->mask = '999-999-9999';
+
+        $this->maskedInput->init();
+
+        ob_start();
+        $this->maskedInput->run();
+        $output = ob_get_clean();
+
+        $expected = '<input type="text" id="w0" class="form-control" name="phone" data-plugin-inputmask="inputmask_7b93eb48">';
+
+        $this->assertEqualsWithoutLE($expected, $output);
+    }
+
+    /**
+     * Helper methods.
+     */
+    protected function getView()
+    {
+        $view = new View();
+        $view->setAssetManager(new AssetManager([
+            'basePath' => '@testWebRoot/assets',
+            'baseUrl' => '@testWeb/assets',
+        ]));
+
+        return $view;
+    }
+}