MAGETWO-37951: Internal Server error on clicking Continue on Billing information

 - CR fix

Author: Ievgen Shakhsuvarov

setup/src/Magento/Setup/Test/Unit/Module/Di/App/Task/ServiceDataAttributesGeneratorTest.php

@@ -0,0 +1,99 @@
+<?php
+/**
+ * Copyright © 2015 Magento. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+
+namespace Magento\Setup\Test\Unit\Module\Di\App\Task;
+
+use Magento\Setup\Module\Di\App\Task\Operation\ServiceDataAttributesGenerator;
+use Magento\Setup\Module\Di\Code\Scanner;
+
+/**
+ * Class ServiceDataAttributesGeneratorTtest
+ */
+class ServiceDataAttributesGeneratorTtest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * @var \Magento\Setup\Module\Di\Code\Scanner\DirectoryScanner|\PHPUnit_Framework_MockObject_MockObject
+     */
+    private $directoryScannerMock;
+    
+    /**
+     * @var \Magento\Setup\Module\Di\Code\Scanner\ServiceDataAttributesScanner|\PHPUnit_Framework_MockObject_MockObject
+     */
+    private $serviceDataAttributesScannerMock;
+
+    protected function setUp()
+    {
+        $this->directoryScannerMock = $this->getMock(
+            'Magento\Setup\Module\Di\Code\Scanner\DirectoryScanner',
+            [],
+            [],
+            '',
+            false
+        );
+        $this->serviceDataAttributesScannerMock = $this->getMock(
+            'Magento\Setup\Module\Di\Code\Scanner\ServiceDataAttributesScanner',
+            [],
+            [],
+            '',
+            false
+        );
+    }
+
+    /**
+     * @param $data array
+     * @dataProvider doOperationDataProvider
+     */
+    public function testDoOperationEmptyData($data)
+    {
+        $model = new ServiceDataAttributesGenerator(
+            $this->directoryScannerMock,
+            $this->serviceDataAttributesScannerMock,
+            $data
+        );
+        $this->directoryScannerMock->expects($this->never())->method('scan');
+
+        $model->doOperation();
+    }
+
+    /**
+     * @return array
+     */
+    public function doOperationDataProvider()
+    {
+        return [
+            [[]],
+            [['filePatterns' => ['php' => '*.php']]],
+            [['path' => 'path']]
+        ];
+    }
+
+    public function testDoOperation()
+    {
+        $data = [
+            'path' => 'path/to/app',
+            'filePatterns' => ['di' => 'di.xml'],
+        ];
+        $files = ['service_data_attributes' => []];
+        $model = new ServiceDataAttributesGenerator(
+            $this->directoryScannerMock,
+            $this->serviceDataAttributesScannerMock,
+            $data
+        );
+
+        $this->directoryScannerMock->expects($this->once())
+            ->method('scan')
+            ->with(
+                $data['path'],
+                $data['filePatterns']
+            )->willReturn($files);
+        $this->serviceDataAttributesScannerMock->expects($this->once())
+            ->method('collectEntities')
+            ->with($files['service_data_attributes'])
+            ->willReturn([]);
+
+        $model->doOperation();
+    }
+}