MAGETWO-54680: Unit tests

Author: Mulderua

app/code/Magento/Sales/Model/Order/Creditmemo/Item/Validation/CreationQuantityValidator.php

@@ -54,7 +54,7 @@ public function validate($entity)
         }
 
         if (!$this->isQtyAvailable($orderItem, $entity->getQty())) {
-            return [__('The quantity to refund must not be greater than the unrefunded quantity')];
+            return [__('The quantity to refund must not be greater than the unrefunded quantity.')];
         }
 
         return [];

app/code/Magento/Sales/Test/Unit/Model/Order/Creditmemo/Item/Validation/CreateQuantityValidatorTest.php

@@ -0,0 +1,117 @@
+<?php
+/**
+ * Copyright © 2016 Magento. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+namespace Magento\Sales\Test\Unit\Model\Order\Creditmemo;
+
+use Magento\Sales\Api\OrderItemRepositoryInterface;
+use Magento\Sales\Model\Order\Creditmemo\Item\Validation\CreationQuantityValidator;
+use Magento\Framework\Exception\NoSuchEntityException;
+use Magento\Sales\Api\Data\OrderInterface;
+use Magento\Sales\Model\Order\Item;
+
+
+
+class CreateQuantityValidatorTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * @var OrderItemRepositoryInterface|\PHPUnit_Framework_MockObject_MockObject
+     */
+    protected $orderItemRepositoryMock;
+
+    /**
+     * @var Item|\PHPUnit_Framework_MockObject_MockObject
+     */
+    protected $orderItemMock;
+
+    /**
+     * @var CreationQuantityValidator|\PHPUnit_Framework_MockObject_MockObject
+     */
+    protected $createQuantityValidator;
+
+    /**
+     * @var OrderInterface|\PHPUnit_Framework_MockObject_MockObject
+     */
+    protected $contexMock;
+
+    /**
+     * @var \stdClass|\PHPUnit_Framework_MockObject_MockObject
+     */
+    protected $entity;
+
+    protected function setUp()
+    {
+        $this->orderItemRepositoryMock = $this->getMockBuilder(OrderItemRepositoryInterface::class)
+            ->disableOriginalConstructor()
+            ->setMethods(['get'])
+            ->getMockForAbstractClass();
+
+        $this->orderItemMock = $this->getMockBuilder(Item::class)
+            ->disableOriginalConstructor()
+            ->getMockForAbstractClass();
+
+        $this->entity = $this->getMockBuilder(\stdClass::class)
+            ->disableOriginalConstructor()
+            ->setMethods(['getOrderItemId', 'getQty'])
+            ->getMock();
+    }
+
+    /**
+     * @dataProvider dataProvider
+     */
+    public function testValidateCreditMemoProductItems($orderItemId, $expectedResult, $withContext = false)
+    {
+        if ($orderItemId) {
+            $this->entity->expects($this->once())
+                ->method('getOrderItemId')
+                ->willReturn($orderItemId);
+
+            $this->orderItemRepositoryMock->expects($this->once())
+                ->method('get')
+                ->with($orderItemId)
+                ->willReturn($this->orderItemMock);
+        } else {
+            $this->entity->expects($this->once())
+                ->method('getOrderItemId')
+                ->willThrowException(new NoSuchEntityException());
+        }
+
+        $this->contexMock = null;
+        if ($withContext) {
+            $this->contexMock = $this->getMockBuilder(OrderInterface::class)
+                ->disableOriginalConstructor()
+                ->getMockForAbstractClass();
+
+            $this->entity->expects($this->once())
+                ->method('getQty')
+                ->willReturn(11);
+        }
+
+        $this->createQuantityValidator = New CreationQuantityValidator(
+            $this->orderItemRepositoryMock,
+            $this->contexMock
+        );
+
+        $this->assertEquals($expectedResult, $this->createQuantityValidator->validate($this->entity));
+    }
+
+    public function dataProvider()
+    {
+        return [
+            'testValidateCreditMemoProductItems' => [
+                1,
+                [__('The creditmemo contains product item that is not part of the original order.')],
+            ],
+            'testValidateWithException' => [
+                null,
+                [__('The creditmemo contains product item that is not part of the original order.')]
+            ],
+            'testValidateWithContext' => [
+                1,
+                [__('The quantity to refund must not be greater than the unrefunded quantity.')],
+                true
+            ],
+        ];
+    }
+}