Fix for #9566: Show the correct label in the admin

app/code/Magento/Sales/Model/Order/Config.php

@@ -122,8 +122,14 @@ public function getStateDefaultStatus($state)
      */
     public function getStatusLabel($code)
     {
-        $code = $this->maskStatusForArea($this->state->getAreaCode(), $code);
+        $area = $this->state->getAreaCode();
+        $code = $this->maskStatusForArea($area, $code);
         $status = $this->orderStatusFactory->create()->load($code);
+
+        if ($area == 'adminhtml') {
+            return $status->getLabel();
+        }
+
         return $status->getStoreLabel();
     }
 
@@ -211,7 +217,7 @@ public function getStateStatuses($state, $addLabels = true)
                 foreach ($collection as $item) {
                     $status = $item->getData('status');
                     if ($addLabels) {
-                        $statuses[$status] = $item->getStoreLabel();
+                        $statuses[$status] = $this->getStatusLabel($status);
                     } else {
                         $statuses[] = $status;
                     }

app/code/Magento/Sales/Test/Unit/Model/Order/ConfigTest.php

@@ -23,18 +23,41 @@ class ConfigTest extends \PHPUnit\Framework\TestCase
      */
     protected $orderStatusCollectionFactoryMock;
 
+    /**
+     * @var \Magento\Sales\Model\Order\StatusFactory|\PHPUnit_Framework_MockObject_MockObject
+     */
+    protected $statusFactoryMock;
+
+    /**
+     * @var \Magento\Sales\Model\Order\Status
+     */
+    protected $orderStatusModel;
+
+    /**
+     * @var \Magento\Store\Model\StoreManagerInterface|\PHPUnit_Framework_MockObject_MockObject
+     */
+    protected $storeManagerMock;
+
     protected function setUp()
     {
-        $orderStatusFactory = $this->createMock(\Magento\Sales\Model\Order\StatusFactory::class);
+        $objectManager = new \Magento\Framework\TestFramework\Unit\Helper\ObjectManager($this);
+
+        $this->storeManagerMock = $this->createMock(\Magento\Store\Model\StoreManagerInterface::class);
+        $this->orderStatusModel = $objectManager->getObject(\Magento\Sales\Model\Order\Status::class, [
+            'storeManager' => $this->storeManagerMock,
+        ]);
+        $this->statusFactoryMock = $this->getMockBuilder(\Magento\Sales\Model\Order\StatusFactory::class)
+            ->setMethods(['load', 'create'])
+            ->getMock();
         $this->orderStatusCollectionFactoryMock = $this->createPartialMock(
             \Magento\Sales\Model\ResourceModel\Order\Status\CollectionFactory::class,
             ['create']
         );
-        $this->salesConfig = (new \Magento\Framework\TestFramework\Unit\Helper\ObjectManager($this))
+        $this->salesConfig = $objectManager
             ->getObject(
                 \Magento\Sales\Model\Order\Config::class,
                 [
-                    'orderStatusFactory' => $orderStatusFactory,
+                    'orderStatusFactory' => $this->statusFactoryMock,
                     'orderStatusCollectionFactory' => $this->orderStatusCollectionFactoryMock
                 ]
             );
@@ -147,6 +170,22 @@ public function testGetStatuses($state, $joinLabels, $collectionData, $expectedR
             ->method('joinStates')
             ->will($this->returnValue($collectionData));
 
+        $this->statusFactoryMock->method('create')
+            ->willReturnSelf();
+
+        $this->statusFactoryMock->method('load')
+            ->willReturn($this->orderStatusModel);
+
+        $storeMock = $this->createMock(\Magento\Store\Api\Data\StoreInterface::class);
+        $storeMock->method('getId')
+            ->willReturn(1);
+
+        $this->storeManagerMock->method('getStore')
+            ->with($this->anything())
+            ->willReturn($storeMock);
+
+        $this->orderStatusModel->setData('store_labels', [1 => 'Pending label']);
+
         $result = $this->salesConfig->getStateStatuses($state, $joinLabels);
         $this->assertSame($expectedResult, $result);
 

app/code/Magento/Sales/view/adminhtml/templates/order/view/history.phtml

@@ -5,7 +5,7 @@
  */
 
 // @codingStandardsIgnoreFile
-
+/** @var \Magento\Sales\Block\Adminhtml\Order\View\History $block */
 ?>
 <div id="order_history_block" class="edit-order-comments">
     <?php if ($block->canAddComment()):?>

dev/tests/integration/testsuite/Magento/Sales/Model/Order/StatusTest.php

@@ -0,0 +1,49 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+
+namespace Magento\Sales\Model\Order;
+
+/**
+ * Class ShipmentTest
+ * @package Magento\Sales\Model\Order
+ */
+class StatusTest extends \PHPUnit\Framework\TestCase
+{
+    public function theCorrectLabelIsUsedDependingOnTheAreaProvider()
+    {
+        return [
+            'backend label' => [
+                'adminhtml',
+                'Example',
+            ],
+            'store view label' => [
+                'frontend',
+                'Store view example',
+            ],
+        ];
+    }
+
+    /**
+     * In the backend the regular label must be showed.
+     *
+     * @param $area
+     * @param $result
+     *
+     * @magentoDataFixture Magento/Sales/_files/order_status.php
+     * @dataProvider theCorrectLabelIsUsedDependingOnTheAreaProvider
+     */
+    public function testTheCorrectLabelIsUsedDependingOnTheArea($area, $result)
+    {
+        $objectManager = \Magento\TestFramework\Helper\Bootstrap::getObjectManager();
+        $objectManager->get(\Magento\Framework\App\State::class)->setAreaCode($area);
+
+        /** @var \Magento\Sales\Model\Order $order */
+        $order = $objectManager->create(\Magento\Sales\Model\Order::class);
+        $order->loadByIncrementId('100000001');
+
+        $this->assertEquals($result, $order->getStatusLabel());
+    }
+}

dev/tests/integration/testsuite/Magento/Sales/_files/order_status.php

@@ -0,0 +1,25 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+
+require __DIR__ . '/order.php';
+
+$orderStatus = \Magento\TestFramework\Helper\Bootstrap::getObjectManager()->create(
+    \Magento\Sales\Model\Order\Status::class
+);
+
+$data = [
+    'status' => 'example',
+    'label' => 'Example',
+    'store_labels' => [
+        1 => 'Store view example',
+    ]
+];
+
+$orderStatus->setData($data)->setStatus('example');
+$orderStatus->save();
+
+$order->setStatus('example');
+$order->save();