MAGETWO-31363: Unit and Integration tests coverage

Author: Kostiantyn Poida

dev/tests/unit/testsuite/Magento/OfflineShipping/Model/Plugin/Checkout/Block/Cart/ShippingTest.php

@@ -0,0 +1,74 @@
+<?php
+/**
+ * Copyright © 2015 Magento. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+namespace Magento\OfflineShipping\Model\SalesRule;
+
+class ShippingTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * @var \Magento\OfflineShipping\Model\Plugin\Checkout\Block\Cart\Shipping
+     */
+    protected $model;
+
+    /**
+     * @var \Magento\Framework\App\Config\ScopeConfigInterface|\PHPUnit_Framework_MockObject_MockObject
+     */
+    protected $scopeConfigMock;
+
+    protected function setUp()
+    {
+        $helper = new \Magento\TestFramework\Helper\ObjectManager($this);
+
+        $this->scopeConfigMock = $this->getMockBuilder('\Magento\Framework\App\Config\ScopeConfigInterface')
+            ->disableOriginalConstructor()
+            ->setMethods([
+                'getValue',
+                'isSetFlag'
+            ])
+            ->getMock();
+
+        $this->model = $helper->getObject('\Magento\OfflineShipping\Model\Plugin\Checkout\Block\Cart\Shipping', [
+            'scopeConfig' => $this->scopeConfigMock
+        ]);
+    }
+
+    /**
+     * @dataProvider afterGetStateActiveDataProvider
+     */
+    public function testAfterGetStateActive($scopeConfigMockReturnValue, $result, $assertResult)
+    {
+        /** @var \Magento\Checkout\Block\Cart\Shipping $subjectMock */
+        $subjectMock = $this->getMockBuilder('Magento\Checkout\Block\Cart\Shipping')
+            ->disableOriginalConstructor()
+            ->getMock();
+
+        $this->scopeConfigMock->expects($result ? $this->never() : $this->once())
+            ->method('getValue')
+            ->willReturn($scopeConfigMockReturnValue);
+
+        $this->assertEquals($this->model->afterGetStateActive($subjectMock, $result), $assertResult);
+    }
+
+    public function afterGetStateActiveDataProvider()
+    {
+        return [
+            [
+                true,
+                true,
+                true
+            ],
+            [
+                true,
+                false,
+                true
+            ],
+            [
+                false,
+                false,
+                false
+            ]
+        ];
+    }
+}