MAGETWO-45672: Broken checkout flow

added unit test

Author: Serhiy Shkolyarenko

app/code/Magento/Persistent/Test/Unit/Model/Checkout/ConfigProviderPluginTest.php

@@ -0,0 +1,118 @@
+<?php
+/**
+ * Copyright © 2015 Magento. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+namespace Magento\Persistent\Test\Unit\Model\Checkout;
+
+class ConfigProviderPluginTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * @var \PHPUnit_Framework_MockObject_MockObject
+     */
+    protected $persistentHelperMock;
+
+    /**
+     * @var \PHPUnit_Framework_MockObject_MockObject
+     */
+    protected $persistentSessionMock;
+
+    /**
+     * @var \PHPUnit_Framework_MockObject_MockObject
+     */
+    protected $checkoutSessionMock;
+
+    /**
+     * @var \PHPUnit_Framework_MockObject_MockObject
+     */
+    protected $maskFactoryMock;
+
+    /**
+     * @var \PHPUnit_Framework_MockObject_MockObject
+     */
+    protected $customerSessionMock;
+
+    /**
+     * @var \Magento\Persistent\Model\Checkout\ConfigProviderPlugin
+     */
+    protected $plugin;
+
+    /**
+     * @var \PHPUnit_Framework_MockObject_MockObject
+     */
+    protected $subjectMock;
+
+    protected function setUp()
+    {
+        $this->persistentHelperMock = $this->getMock('Magento\Persistent\Helper\Data', [], [], '', false);
+        $this->persistentSessionMock = $this->getMock('Magento\Persistent\Helper\Session', [], [], '', false);
+        $this->checkoutSessionMock = $this->getMock('Magento\Checkout\Model\Session', [], [], '', false);
+        $this->maskFactoryMock = $this->getMock(
+            'Magento\Quote\Model\QuoteIdMaskFactory',
+            ['create', '__wakeup'],
+            [],
+            '',
+            false
+        );
+        $this->customerSessionMock = $this->getMock('Magento\Customer\Model\Session', [], [], '', false);
+        $this->subjectMock = $this->getMock('\Magento\Checkout\Model\DefaultConfigProvider', [], [], '', false);
+
+        $this->plugin = new \Magento\Persistent\Model\Checkout\ConfigProviderPlugin(
+            $this->persistentHelperMock,
+            $this->persistentSessionMock,
+            $this->checkoutSessionMock,
+            $this->maskFactoryMock,
+            $this->customerSessionMock
+        );
+    }
+
+    /**
+     * @dataProvider configDataProvider
+     */
+    public function testAfterGetConfigNegative($persitenceEnabled, $isPersistent, $isLoggedIn)
+    {
+        $result = [40, 30, 50];
+
+        $this->persistentHelperMock->expects($this->once())->method('isEnabled')->willReturn($persitenceEnabled);
+        $this->persistentSessionMock->expects($this->any())->method('isPersistent')->willReturn($isPersistent);
+        $this->customerSessionMock->expects($this->any())->method('isLoggedIn')->willReturn($isLoggedIn);
+        $this->maskFactoryMock->expects($this->never())->method('create');
+        $this->assertEquals($result, $this->plugin->afterGetConfig($this->subjectMock, $result));
+    }
+
+    public function configDataProvider()
+    {
+        return [
+            [false, true, true], //disabled persistence case
+            [true, false, true], //persistence enabled but not persistent session
+            [true, true, true],  //logged in user
+        ];
+    }
+
+    public function testAfterGetConfigPositive()
+    {
+        $maskedId = 3005;
+        $result = [40, 30, 50];
+        $expectedResult = $result;
+        $expectedResult['quoteData']['entity_id'] = $maskedId;
+
+        $this->persistentHelperMock->expects($this->once())->method('isEnabled')->willReturn(true);
+        $this->persistentSessionMock->expects($this->once())->method('isPersistent')->willReturn(true);
+        $this->customerSessionMock->expects($this->once())->method('isLoggedIn')->willReturn(false);
+
+        $quoteMaskMock = $this->getMock(
+            'Magento\Quote\Model\QuoteIdMask',
+            ['load', 'getMaskedId'],
+            [],
+            '',
+            false
+        );
+        $this->maskFactoryMock->expects($this->once())->method('create')->willReturn($quoteMaskMock);
+        $quoteMock = $this->getMock('Magento\Quote\Model\Quote', [], [], '', false);
+
+        $this->checkoutSessionMock->expects($this->once())->method('getQuote')->willReturn($quoteMock);
+        $quoteMaskMock->expects($this->once())->method('load')->willReturnSelf();
+        $quoteMaskMock->expects($this->once())->method('getMaskedId')->willReturn($maskedId);
+        $this->assertEquals($expectedResult, $this->plugin->afterGetConfig($this->subjectMock, $result));
+    }
+}