#7768: Adding 'is_saleable' attribute to sort of product collection c…

…auses exception and adding 'is_salable' has no effect.

app/code/Magento/Catalog/Model/ResourceModel/Product/Collection.php

@@ -1670,7 +1670,7 @@ public function addAttributeToSort($attribute, $dir = self::SORT_ORDER_ASC)
 
             return $this;
         } elseif ($attribute == 'is_saleable') {
-            $this->getSelect()->order("is_saleable " . $dir);
+            $this->getSelect()->order("is_salable " . $dir);
             return $this;
         }
 

dev/tests/integration/testsuite/Magento/Catalog/Model/ResourceModel/Product/CollectionTest.php

@@ -124,4 +124,40 @@ public function testGetProductsWithTierPrice()
         $this->assertEquals(50, $tierPrices[2]->getExtensionAttributes()->getPercentageValue());
         $this->assertEquals(5, $tierPrices[2]->getValue());
     }
+
+    /**
+     * Test addAttributeToSort() with attribute 'is_saleable' works properly on frontend.
+     *
+     * @dataProvider addAttributeToSortDataProvider
+     * @magentoDataFixture Magento/Catalog/_files/multiple_products_with_non_saleable_product.php
+     * @magentoConfigFixture current_store cataloginventory/options/show_out_of_stock 1
+     * @magentoAppIsolation enabled
+     * @magentoAppArea frontend
+     */
+    public function testAddAttributeToSort(string $productSku, string $order)
+    {
+        /** @var Collection $productCollection */
+        $this->collection->addAttributeToSort('is_saleable', $order);
+        self::assertEquals(2, $this->collection->count());
+        self::assertSame($productSku, $this->collection->getFirstItem()->getSku());
+    }
+
+    /**
+     * Provide test data for testAddAttributeToSort().
+     *
+     * @return array
+     */
+    public function addAttributeToSortDataProvider()
+    {
+        return [
+            [
+                'product_sku' => 'simple_saleable',
+                'order' => Collection::SORT_ORDER_DESC,
+            ],
+            [
+                'product_sku' => 'simple_not_saleable',
+                'order' => Collection::SORT_ORDER_ASC,
+            ]
+        ];
+    }
 }

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

@@ -0,0 +1,52 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+
+/** @var $product \Magento\Catalog\Model\Product */
+$product = \Magento\TestFramework\Helper\Bootstrap::getObjectManager()->create(\Magento\Catalog\Model\Product::class);
+$product->isObjectNew(true);
+$product->setTypeId(\Magento\Catalog\Model\Product\Type::TYPE_SIMPLE)
+    ->setAttributeSetId(4)
+    ->setName('Simple Product')
+    ->setSku('simple_saleable')
+    ->setTaxClassId('none')
+    ->setDescription('description')
+    ->setShortDescription('short description')
+    ->setOptionsContainer('container1')
+    ->setMsrpDisplayActualPriceType(\Magento\Msrp\Model\Product\Attribute\Source\Type::TYPE_IN_CART)
+    ->setPrice(10)
+    ->setWeight(1)
+    ->setMetaTitle('meta title')
+    ->setMetaKeyword('meta keyword')
+    ->setMetaDescription('meta description')
+    ->setVisibility(\Magento\Catalog\Model\Product\Visibility::VISIBILITY_BOTH)
+    ->setStatus(\Magento\Catalog\Model\Product\Attribute\Source\Status::STATUS_ENABLED)
+    ->setWebsiteIds([1])
+    ->setCateroryIds([])
+    ->setStockData(['use_config_manage_stock' => 1, 'qty' => 100, 'is_qty_decimal' => 0, 'is_in_stock' => 1])
+    ->save();
+
+$product = \Magento\TestFramework\Helper\Bootstrap::getObjectManager()->create(\Magento\Catalog\Model\Product::class);
+$product->isObjectNew(true);
+$product->setTypeId(\Magento\Catalog\Model\Product\Type::TYPE_SIMPLE)
+    ->setAttributeSetId(4)
+    ->setName('Simple Product2')
+    ->setSku('simple_not_saleable')
+    ->setTaxClassId('none')
+    ->setDescription('description')
+    ->setShortDescription('short description')
+    ->setOptionsContainer('container1')
+    ->setMsrpDisplayActualPriceType(\Magento\Msrp\Model\Product\Attribute\Source\Type::TYPE_ON_GESTURE)
+    ->setPrice(20)
+    ->setWeight(1)
+    ->setMetaTitle('meta title')
+    ->setMetaKeyword('meta keyword')
+    ->setMetaDescription('meta description')
+    ->setVisibility(\Magento\Catalog\Model\Product\Visibility::VISIBILITY_IN_CATALOG)
+    ->setStatus(\Magento\Catalog\Model\Product\Attribute\Source\Status::STATUS_ENABLED)
+    ->setWebsiteIds([1])
+    ->setCateroryIds([])
+    ->setStockData(['use_config_manage_stock' => 1, 'qty' => 50, 'is_qty_decimal' => 0, 'is_in_stock' => 0])
+    ->save();

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

@@ -0,0 +1,28 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+
+$objectManager = \Magento\TestFramework\Helper\Bootstrap::getObjectManager();
+
+/** @var \Magento\Framework\Registry $registry */
+$registry = \Magento\TestFramework\Helper\Bootstrap::getObjectManager()->get(\Magento\Framework\Registry::class);
+
+$registry->unregister('isSecureArea');
+$registry->register('isSecureArea', true);
+
+/** @var \Magento\Catalog\Api\ProductRepositoryInterface $productRepository */
+$productRepository = $objectManager->create(\Magento\Catalog\Api\ProductRepositoryInterface::class);
+
+foreach (['simple_saleable', 'simple_not_saleable'] as $sku) {
+    try {
+        $product = $productRepository->get($sku, false, null, true);
+        $productRepository->delete($product);
+    } catch (\Magento\Framework\Exception\NoSuchEntityException $exception) {
+        //Product already removed
+    }
+}
+
+$registry->unregister('isSecureArea');
+$registry->register('isSecureArea', false);