add tests for buttonsVisible suggestion (issue #9198)

tests/framework/grid/ActionColumnTest.php

@@ -0,0 +1,63 @@
+<?php
+
+
+namespace yiiunit\framework\grid;
+
+
+use yii\base\Model;
+use yii\grid\ActionColumn;
+
+/**
+ * @author Vitaly S. <fornit1917@gmail.com>
+ *
+ * @group grid
+ */
+class ActionColumnTest extends \yiiunit\TestCase
+{
+    public function testRenderDataCell()
+    {
+        $column = new ActionColumn();
+        $column->urlCreator = function($model, $key, $index) {
+            return 'http://test.com';
+        };
+        $column->template = '{update}';
+        $column->buttons = [
+            'update' => function($url, $model, $key) {
+                return 'update_button';
+            }
+        ];
+
+        //test default visible button
+        $columnContents = $column->renderDataCell(['id' => 1], 1, 0);
+        $this->assertContains('update_button', $columnContents);
+
+        //test visible button
+        $column->buttonsVisible = [
+            'update' => true
+        ];
+        $columnContents = $column->renderDataCell(['id' => 1], 1, 0);
+        $this->assertContains('update_button', $columnContents);
+
+        //test visible button (condition is callback)
+        $column->buttonsVisible = [
+            'update' => function($model){return $model['id'] == 1;}
+        ];
+        $columnContents = $column->renderDataCell(['id' => 1], 1, 0);
+        $this->assertContains('update_button', $columnContents);
+
+        //test invisible button
+        $column->buttonsVisible = [
+            'update' => false
+        ];
+        $columnContents = $column->renderDataCell(['id' => 1], 1, 0);
+        $this->assertNotContains('update_button', $columnContents);
+
+        //test invisible button (condition is callback)
+        $column->buttonsVisible = [
+            'update' => function($model){return $model['id'] != 1;}
+        ];
+        $columnContents = $column->renderDataCell(['id' => 1], 1, 0);
+        $this->assertNotContains('update_button', $columnContents);
+
+    }
+}