#6948: CatalogImportExport categoryProcessor does not support escaped delimiter

app/code/Magento/CatalogImportExport/Model/Export/Product.php

@@ -5,6 +5,7 @@
  */
 namespace Magento\CatalogImportExport\Model\Export;
 
+use Magento\CatalogImportExport\Model\Import\Product\CategoryProcessor;
 use Magento\ImportExport\Model\Import;
 use \Magento\Store\Model\Store;
 use \Magento\CatalogImportExport\Model\Import\Product as ImportProduct;
@@ -438,11 +439,12 @@ protected function initCategories()
             if ($pathSize > 1) {
                 $path = [];
                 for ($i = 1; $i < $pathSize; $i++) {
-                    $path[] = $collection->getItemById($structure[$i])->getName();
+                    $name = $collection->getItemById($structure[$i])->getName();
+                    $path[] = $this->quoteCategoryDelimiter($name);
                 }
                 $this->_rootCategories[$category->getId()] = array_shift($path);
                 if ($pathSize > 2) {
-                    $this->_categories[$category->getId()] = implode('/', $path);
+                    $this->_categories[$category->getId()] = implode(CategoryProcessor::DELIMITER_CATEGORY, $path);
                 }
             }
         }
@@ -1470,4 +1472,19 @@ protected function getProductEntityLinkField()
         }
         return $this->productEntityLinkField;
     }
+
+    /**
+     * Quoting category delimiter character in string.
+     *
+     * @param string $string
+     * @return string
+     */
+    private function quoteCategoryDelimiter($string)
+    {
+        return str_replace(
+            CategoryProcessor::DELIMITER_CATEGORY,
+            '\\' . CategoryProcessor::DELIMITER_CATEGORY,
+            $string
+        );
+    }
 }

app/code/Magento/CatalogImportExport/Model/Import/Product/CategoryProcessor.php

@@ -84,7 +84,8 @@ protected function initCategories()
                 if ($pathSize > 1) {
                     $path = [];
                     for ($i = 1; $i < $pathSize; $i++) {
-                        $path[] = $collection->getItemById((int)$structure[$i])->getName();
+                        $name = $collection->getItemById((int)$structure[$i])->getName();
+                        $path[] = $this->quoteDelimiter($name);
                     }
                     /** @var string $index */
                     $index = $this->standardizeString(
@@ -114,7 +115,7 @@ protected function createCategory($name, $parentId)
         }
         $category->setPath($parentCategory->getPath());
         $category->setParentId($parentId);
-        $category->setName($name);
+        $category->setName($this->unquoteDelimiter($name));
         $category->setIsActive(true);
         $category->setIncludeInMenu(true);
         $category->setAttributeSetId($category->getDefaultAttributeSetId());
@@ -137,7 +138,7 @@ protected function upsertCategory($categoryPath)
         $index = $this->standardizeString($categoryPath);
 
         if (!isset($this->categories[$index])) {
-            $pathParts = explode(self::DELIMITER_CATEGORY, $categoryPath);
+            $pathParts = preg_split('~(?<!\\\)' . preg_quote(self::DELIMITER_CATEGORY, '~') . '~', $categoryPath);
             $parentId = \Magento\Catalog\Model\Category::TREE_ROOT_ID;
             $path = '';
 
@@ -243,4 +244,26 @@ private function standardizeString($string)
     {
         return mb_strtolower($string);
     }
+
+    /**
+     * Quoting delimiter character in string.
+     *
+     * @param string $string
+     * @return string
+     */
+    private function quoteDelimiter($string)
+    {
+        return str_replace(self::DELIMITER_CATEGORY, '\\' . self::DELIMITER_CATEGORY, $string);
+    }
+
+    /**
+     * Remove quoting delimiter in string.
+     *
+     * @param string $string
+     * @return string
+     */
+    private function unquoteDelimiter($string)
+    {
+        return str_replace('\\' . self::DELIMITER_CATEGORY, self::DELIMITER_CATEGORY, $string);
+    }
 }

dev/tests/integration/testsuite/Magento/Catalog/_files/catalog_category_with_slash.php

@@ -0,0 +1,29 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+
+$category = \Magento\TestFramework\Helper\Bootstrap::getObjectManager()->create(\Magento\Catalog\Model\Category::class);
+$category->isObjectNew(true);
+$category->setId(
+    3331
+)->setCreatedAt(
+    '2017-06-23 09:50:07'
+)->setName(
+    'Category with slash/ symbol'
+)->setParentId(
+    2
+)->setPath(
+    '1/2/3331'
+)->setLevel(
+    2
+)->setAvailableSortBy(
+    ['position', 'name']
+)->setDefaultSortBy(
+    'name'
+)->setIsActive(
+    true
+)->setPosition(
+    1
+)->save();

dev/tests/integration/testsuite/Magento/CatalogImportExport/Model/Export/ProductTest.php

@@ -104,6 +104,7 @@ public function testExportSpecialChars()
         );
         $exportData = $this->model->export();
         $this->assertContains('simple ""1""', $exportData);
+        $this->assertContains('Category with slash\/ symbol', $exportData);
     }
 
     /**

dev/tests/integration/testsuite/Magento/CatalogImportExport/Model/Import/_files/import_new_categories_custom_separator.csv

@@ -1,2 +1,2 @@
 sku,product_type,store_view_code,name,price,attribute_set_code,categories,product_websites
-simple1,simple,,"simple 2",25,Default,"Default Category/Category 1|Default Category/Category 2",base
+simple1,simple,,"simple 2",25,Default,"Default Category/Category 1|Default Category/Category\/ 2",base

dev/tests/integration/testsuite/Magento/CatalogImportExport/Model/Import/_files/import_new_categories_default_separator.csv

@@ -1,2 +1,2 @@
 sku,product_type,store_view_code,name,price,attribute_set_code,categories,product_websites,url_key
-simple1,simple,,"simple 1",25,Default,"Default Category/Category 1,Default Category/Category 2",base,simple1-ds
+simple1,simple,,"simple 1",25,Default,"Default Category/Category 1,Default Category/Category\/ 2",base,simple1-ds

dev/tests/integration/testsuite/Magento/CatalogImportExport/_files/product_export_data_special_chars.php

@@ -5,6 +5,8 @@
  */
 /** Create category */
 require dirname(dirname(__DIR__)) . '/Catalog/_files/category.php';
+/** Create category with special chars */
+require dirname(dirname(__DIR__)) . '/Catalog/_files/catalog_category_with_slash.php';
 /** Create fixture store */
 require dirname(dirname(__DIR__)) . '/Store/_files/second_store.php';
 /** Create product with multiselect attribute and values */
@@ -28,10 +30,8 @@
     ->setVisibility(\Magento\Catalog\Model\Product\Visibility::VISIBILITY_BOTH)
     ->setStatus(\Magento\Catalog\Model\Product\Attribute\Source\Status::STATUS_ENABLED)
     ->setWebsiteIds([1])
-    ->setCateroryIds([])
     ->setStockData(['qty' => 100, 'is_in_stock' => 1])
     ->setCanSaveCustomOptions(true)
-    ->setCategoryIds([333])
-    ->setUpSellLinkData([$product->getId() => ['position' => 1]]);
+    ->setCategoryIds([333, 3331]);
 
 $productModel->setOptions([])->save();