Remove zend json checkout

app/code/Magento/Checkout/Block/Cart/Shipping.php

@@ -20,27 +20,36 @@ class Shipping extends \Magento\Checkout\Block\Cart\AbstractCart
      */
     protected $layoutProcessors;
 
+    /**
+     * @var \Magento\Framework\Serialize\Serializer\Json
+     */
+    private $serializer;
+
     /**
      * @param \Magento\Framework\View\Element\Template\Context $context
      * @param \Magento\Customer\Model\Session $customerSession
      * @param \Magento\Checkout\Model\Session $checkoutSession
      * @param \Magento\Checkout\Model\CompositeConfigProvider $configProvider
      * @param array $layoutProcessors
+     * @param \Magento\Framework\Serialize\Serializer\Json|null $serializer
      * @param array $data
-     * @codeCoverageIgnore
+     * @throws \RuntimeException
      */
     public function __construct(
         \Magento\Framework\View\Element\Template\Context $context,
         \Magento\Customer\Model\Session $customerSession,
         \Magento\Checkout\Model\Session $checkoutSession,
         \Magento\Checkout\Model\CompositeConfigProvider $configProvider,
         array $layoutProcessors = [],
+        \Magento\Framework\Serialize\Serializer\Json $serializer = null,
         array $data = []
     ) {
         $this->configProvider = $configProvider;
         $this->layoutProcessors = $layoutProcessors;
         parent::__construct($context, $customerSession, $checkoutSession, $data);
         $this->_isScopePrivate = true;
+        $this->serializer = $serializer ?: \Magento\Framework\App\ObjectManager::getInstance()
+            ->get(\Magento\Framework\Serialize\Serializer\Json::class);
     }
 
     /**
@@ -64,7 +73,7 @@ public function getJsLayout()
         foreach ($this->layoutProcessors as $processor) {
             $this->jsLayout = $processor->process($this->jsLayout);
         }
-        return \Zend_Json::encode($this->jsLayout);
+        return $this->serializer->serialize($this->jsLayout);
     }
 
     /**
@@ -77,4 +86,12 @@ public function getBaseUrl()
     {
         return $this->_storeManager->getStore()->getBaseUrl();
     }
+
+    /**
+     * @return bool|string
+     */
+    public function getSerializedCheckoutConfig()
+    {
+        return $this->serializer->serialize($this->getCheckoutConfig());
+    }
 }

app/code/Magento/Checkout/Block/Cart/Sidebar.php

@@ -27,21 +27,28 @@ class Sidebar extends AbstractCart
      */
     protected $imageHelper;
 
+    /**
+     * @var \Magento\Framework\Serialize\Serializer\Json
+     */
+    private $serializer;
+
     /**
      * @param \Magento\Framework\View\Element\Template\Context $context
      * @param \Magento\Customer\Model\Session $customerSession
      * @param \Magento\Checkout\Model\Session $checkoutSession
      * @param \Magento\Catalog\Helper\Image $imageHelper
      * @param \Magento\Customer\CustomerData\JsLayoutDataProviderPoolInterface $jsLayoutDataProvider
+     * @param \Magento\Framework\Serialize\Serializer\Json|null $serializer
      * @param array $data
-     * @codeCoverageIgnore
+     * @throws \RuntimeException
      */
     public function __construct(
         \Magento\Framework\View\Element\Template\Context $context,
         \Magento\Customer\Model\Session $customerSession,
         \Magento\Checkout\Model\Session $checkoutSession,
         \Magento\Catalog\Helper\Image $imageHelper,
         \Magento\Customer\CustomerData\JsLayoutDataProviderPoolInterface $jsLayoutDataProvider,
+        \Magento\Framework\Serialize\Serializer\Json $serializer = null,
         array $data = []
     ) {
         if (isset($data['jsLayout'])) {
@@ -53,6 +60,8 @@ public function __construct(
         parent::__construct($context, $customerSession, $checkoutSession, $data);
         $this->_isScopePrivate = false;
         $this->imageHelper = $imageHelper;
+        $this->serializer = $serializer ?: \Magento\Framework\App\ObjectManager::getInstance()
+            ->get(\Magento\Framework\Serialize\Serializer\Json::class);
     }
 
     /**
@@ -74,6 +83,14 @@ public function getConfig()
         ];
     }
 
+    /**
+     * @return string
+     */
+    public function getSerializedConfig()
+    {
+        return $this->serializer->serialize($this->getConfig());
+    }
+
     /**
      * @return string
      */

app/code/Magento/Checkout/Block/Onepage.php

@@ -36,18 +36,26 @@ class Onepage extends \Magento\Framework\View\Element\Template
      */
     protected $layoutProcessors;
 
+    /**
+     * @var \Magento\Framework\Serialize\Serializer\Json
+     */
+    private $serializer;
+
     /**
      * @param \Magento\Framework\View\Element\Template\Context $context
      * @param \Magento\Framework\Data\Form\FormKey $formKey
      * @param \Magento\Checkout\Model\CompositeConfigProvider $configProvider
      * @param array $layoutProcessors
+     * @param \Magento\Framework\Serialize\Serializer\Json|null $serializer
      * @param array $data
+     * @throws \RuntimeException
      */
     public function __construct(
         \Magento\Framework\View\Element\Template\Context $context,
         \Magento\Framework\Data\Form\FormKey $formKey,
         \Magento\Checkout\Model\CompositeConfigProvider $configProvider,
         array $layoutProcessors = [],
+        \Magento\Framework\Serialize\Serializer\Json $serializer = null,
         array $data = []
     ) {
         parent::__construct($context, $data);
@@ -56,6 +64,8 @@ public function __construct(
         $this->jsLayout = isset($data['jsLayout']) && is_array($data['jsLayout']) ? $data['jsLayout'] : [];
         $this->configProvider = $configProvider;
         $this->layoutProcessors = $layoutProcessors;
+        $this->serializer = $serializer ?: \Magento\Framework\App\ObjectManager::getInstance()
+            ->get(\Magento\Framework\Serialize\Serializer\Json::class);
     }
 
     /**
@@ -66,7 +76,7 @@ public function getJsLayout()
         foreach ($this->layoutProcessors as $processor) {
             $this->jsLayout = $processor->process($this->jsLayout);
         }
-        return \Zend_Json::encode($this->jsLayout);
+        return $this->serializer->serialize($this->jsLayout);
     }
 
     /**
@@ -101,4 +111,12 @@ public function getBaseUrl()
     {
         return $this->_storeManager->getStore()->getBaseUrl();
     }
+
+    /**
+     * @return bool|string
+     */
+    public function getSerializedCheckoutConfig()
+    {
+        return $this->serializer->serialize($this->getCheckoutConfig());
+    }
 }

app/code/Magento/Checkout/Test/Unit/Block/Cart/ShippingTest.php

@@ -47,6 +47,11 @@ class ShippingTest extends \PHPUnit_Framework_TestCase
      */
     protected $layout;
 
+    /**
+     * @var \PHPUnit_Framework_MockObject_MockObject
+     */
+    private $serializer;
+
     protected function setUp()
     {
         $this->context = $this->getMock(\Magento\Framework\View\Element\Template\Context::class, [], [], '', false);
@@ -69,13 +74,15 @@ protected function setUp()
 
         $this->storeManager = $this->getMock(\Magento\Store\Model\StoreManagerInterface::class);
         $this->context->expects($this->once())->method('getStoreManager')->willReturn($this->storeManager);
+        $this->serializer = $this->getMock(\Magento\Framework\Serialize\Serializer\Json::class, [], [], '', false);
 
         $this->model = new \Magento\Checkout\Block\Cart\Shipping(
             $this->context,
             $this->customerSession,
             $this->checkoutSession,
             $this->configProvider,
             [$this->layoutProcessor],
+            $this->serializer,
             ['jsLayout' => $this->layout]
         );
     }
@@ -91,13 +98,18 @@ public function testGetJsLayout()
     {
         $layoutProcessed = $this->layout;
         $layoutProcessed['components']['thirdComponent'] = ['param' => 'value'];
+        $jsonLayoutProcessed = json_encode($layoutProcessed);
 
         $this->layoutProcessor->expects($this->once())
             ->method('process')
             ->with($this->layout)
             ->willReturn($layoutProcessed);
+
+        $this->serializer->expects($this->once())->method('serialize')->will(
+            $this->returnValue($jsonLayoutProcessed)
+        );
         $this->assertEquals(
-            \Zend_Json::encode($layoutProcessed),
+            $jsonLayoutProcessed,
             $this->model->getJsLayout()
         );
     }
@@ -110,4 +122,15 @@ public function testGetBaseUrl()
         $this->storeManager->expects($this->once())->method('getStore')->willReturn($storeMock);
         $this->assertEquals($baseUrl, $this->model->getBaseUrl());
     }
+
+    public function testGetSerializedCheckoutConfig()
+    {
+        $checkoutConfig = ['checkout', 'config'];
+        $this->configProvider->expects($this->once())->method('getConfig')->willReturn($checkoutConfig);
+        $this->serializer->expects($this->once())->method('serialize')->will(
+            $this->returnValue(json_encode($checkoutConfig))
+        );
+
+        $this->assertEquals(json_encode($checkoutConfig), $this->model->getSerializedCheckoutConfig());
+    }
 }

app/code/Magento/Checkout/Test/Unit/Block/Cart/SidebarTest.php

@@ -53,6 +53,11 @@ class SidebarTest extends \PHPUnit_Framework_TestCase
      */
     protected $requestMock;
 
+    /**
+     * @var \PHPUnit_Framework_MockObject_MockObject
+     */
+    private $serializer;
+
     protected function setUp()
     {
         $this->_objectManager = new \Magento\Framework\TestFramework\Unit\Helper\ObjectManager($this);
@@ -94,12 +99,15 @@ protected function setUp()
             ->method('getRequest')
             ->will($this->returnValue($this->requestMock));
 
+        $this->serializer = $this->getMock(\Magento\Framework\Serialize\Serializer\Json::class, [], [], '', false);
+
         $this->model = $this->_objectManager->getObject(
             \Magento\Checkout\Block\Cart\Sidebar::class,
             [
                 'context' => $contextMock,
                 'imageHelper' => $this->imageHelper,
-                'checkoutSession' => $this->checkoutSessionMock
+                'checkoutSession' => $this->checkoutSessionMock,
+                'serializer' => $this->serializer
             ]
         );
     }

app/code/Magento/Checkout/Test/Unit/Block/OnepageTest.php

@@ -32,6 +32,11 @@ class OnepageTest extends \PHPUnit_Framework_TestCase
      */
     protected $layoutProcessorMock;
 
+    /**
+     * @var \PHPUnit_Framework_MockObject_MockObject
+     */
+    private $serializer;
+
     protected function setUp()
     {
         $contextMock = $this->getMock(\Magento\Framework\View\Element\Template\Context::class, [], [], '', false);
@@ -54,11 +59,15 @@ protected function setUp()
             false
         );
 
+        $this->serializer = $this->getMock(\Magento\Framework\Serialize\Serializer\Json::class, [], [], '', false);
+
         $this->model = new \Magento\Checkout\Block\Onepage(
             $contextMock,
             $this->formKeyMock,
             $this->configProviderMock,
-            [$this->layoutProcessorMock]
+            [$this->layoutProcessorMock],
+            $this->serializer,
+            []
         );
     }
 
@@ -94,7 +103,21 @@ public function testGetJsLayout()
         $processedLayout = ['layout' => ['processed' => true]];
         $jsonLayout = '{"layout":{"processed":true}}';
         $this->layoutProcessorMock->expects($this->once())->method('process')->with([])->willReturn($processedLayout);
+        $this->serializer->expects($this->once())->method('serialize')->will(
+            $this->returnValue(json_encode($processedLayout))
+        );
 
         $this->assertEquals($jsonLayout, $this->model->getJsLayout());
     }
+
+    public function testGetSerializedCheckoutConfig()
+    {
+        $checkoutConfig = ['checkout', 'config'];
+        $this->configProviderMock->expects($this->once())->method('getConfig')->willReturn($checkoutConfig);
+        $this->serializer->expects($this->once())->method('serialize')->will(
+            $this->returnValue(json_encode($checkoutConfig))
+        );
+
+        $this->assertEquals(json_encode($checkoutConfig), $this->model->getSerializedCheckoutConfig());
+    }
 }

app/code/Magento/Checkout/view/frontend/templates/cart/minicart.phtml

@@ -43,7 +43,7 @@
         </div>
     <?php endif ?>
     <script>
-        window.checkout = <?php /* @escapeNotVerified */ echo \Zend_Json::encode($block->getConfig()); ?>;
+        window.checkout = <?php /* @escapeNotVerified */ echo $block->getSerializedConfig(); ?>;
     </script>
     <script type="text/x-magento-init">
     {

app/code/Magento/Checkout/view/frontend/templates/cart/shipping.phtml

@@ -25,7 +25,7 @@
             }
         </script>
         <script>
-            window.checkoutConfig = <?php /* @escapeNotVerified */ echo \Zend_Json::encode($block->getCheckoutConfig()); ?>;
+            window.checkoutConfig = <?php /* @escapeNotVerified */ echo $block->getSerializedCheckoutConfig(); ?>;
             window.customerData = window.checkoutConfig.customerData;
             window.isCustomerLoggedIn = window.checkoutConfig.isCustomerLoggedIn;
             require([

app/code/Magento/Checkout/view/frontend/templates/onepage.phtml

@@ -23,7 +23,7 @@
         }
     </script>
     <script>
-        window.checkoutConfig = <?php /* @escapeNotVerified */ echo \Zend_Json::encode($block->getCheckoutConfig()); ?>;
+        window.checkoutConfig = <?php /* @escapeNotVerified */ echo $block->getSerializedCheckoutConfig(); ?>;
         // Create aliases for customer.js model from customer module
         window.isCustomerLoggedIn = window.checkoutConfig.isCustomerLoggedIn;
         window.customerData = window.checkoutConfig.customerData;