MAGETWO-31363: Unit and Integration tests coverage

Author: Kostiantyn Poida

dev/tests/unit/testsuite/Magento/OfflineShipping/Model/Quote/FreeshippingTest.php

@@ -0,0 +1,133 @@
+<?php
+/**
+ * Copyright © 2015 Magento. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+namespace Magento\OfflineShipping\Model\Quote;
+
+class FreeshippingTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * @var \Magento\OfflineShipping\Model\Quote\Freeshipping|\PHPUnit_Framework_MockObject_MockObject
+     */
+    protected $model;
+
+    /**
+     * @var \Magento\Sales\Model\Quote\Address|\PHPUnit_Framework_MockObject_MockObject
+     */
+    protected $addressMock;
+
+    /**
+     * @var \Magento\Store\Model\StoreManagerInterface|\PHPUnit_Framework_MockObject_MockObject
+     */
+    protected $storeManagerMock;
+
+    /**
+     * @var \Magento\OfflineShipping\Model\SalesRule\Calculator|\PHPUnit_Framework_MockObject_MockObject
+     */
+    protected $calculatorMock;
+
+    protected function setUp()
+    {
+        $helper = new \Magento\TestFramework\Helper\ObjectManager($this);
+
+        $this->addressMock = $this->getMockBuilder('Magento\Sales\Model\Quote\Address')
+            ->disableOriginalConstructor()
+            ->setMethods([
+                'getQuote',
+                'getAllItems',
+                'getFreeShipping'
+            ])
+            ->getMock();
+
+        $this->storeManagerMock = $this->getMockBuilder('Magento\Store\Model\StoreManagerInterface')
+            ->disableOriginalConstructor()
+            ->getMock();
+
+        $this->calculatorMock = $this->getMockBuilder('Magento\OfflineShipping\Model\SalesRule\Calculator')
+            ->disableOriginalConstructor()
+            //->setMethods(['init'])
+            ->getMock();
+
+        $this->model = $helper->getObject('Magento\OfflineShipping\Model\Quote\Freeshipping', [
+            'storeManager' => $this->storeManagerMock,
+            'calculator' => $this->calculatorMock
+        ]);
+    }
+
+
+    public function testCollectWithEmptyAddressItems()
+    {
+        $quoteMock = $this->getMockBuilder('Magento\Sales\Model\Quote')
+            ->disableOriginalConstructor()
+            ->getMock();
+
+        $this->addressMock->expects($this->once())
+            ->method('getQuote')
+            ->willReturn($quoteMock);
+
+        $this->addressMock->expects($this->once())
+            ->method('getAllItems')
+            ->willReturn([]);
+
+        $this->assertSame($this->model->collect($this->addressMock), $this->model);
+    }
+
+    /**
+     * @dataProvider scenariosDataProvider
+     */
+    public function testCollectWithAddressItems(
+        $addressItemMockNoDiscountValue,
+        $addressMockGetFreeShippingExpects
+    ) {
+        $quoteMock = $this->getMockBuilder('Magento\Sales\Model\Quote')
+            ->disableOriginalConstructor()
+            ->getMock();
+
+        $this->addressMock->expects($this->any())
+            ->method('getQuote')
+            ->willReturn($quoteMock);
+
+        $addressItemMock = $this->getMockBuilder('Magento\Sales\Model\Quote\Address\Item')
+            ->disableOriginalConstructor()
+            ->setMethods(['getNoDiscount', 'getFreeShipping'])
+            ->getMock();
+
+        $addressItemMock->expects($this->once())
+            ->method('getNoDiscount')
+            ->willReturn($addressItemMockNoDiscountValue);
+
+        $addressItemMock->expects($this->any())
+            ->method('getFreeShipping')
+            ->willReturn(true);
+
+        $this->addressMock->expects($addressMockGetFreeShippingExpects)
+            ->method('getFreeShipping')
+            ->willReturn(false);
+
+        $storeMock = $this->getMockBuilder('Magento\Store\Model\Store')
+            ->disableOriginalConstructor()
+            ->getMock();
+
+        $this->storeManagerMock->expects($this->once())
+            ->method('getStore')
+            ->willReturn($storeMock);
+
+        $this->calculatorMock->expects($this->once())
+            ->method('init');
+
+        $this->addressMock->expects($this->once())
+            ->method('getAllItems')
+            ->willReturn([$addressItemMock]);
+
+        $this->model->collect($this->addressMock);
+    }
+
+    public function scenariosDataProvider()
+    {
+        return [
+            [true, $this->never()],
+            [false, $this->once()]
+        ];
+    }
+}