ACP2E-2279: A-Z Product sorting for Turkish characters

Author: dhorytskyi

app/code/Magento/Elasticsearch/Test/Unit/Model/Adapter/FieldMapper/Product/FieldProvider/StaticFieldTest.php

@@ -297,6 +297,7 @@ public function attributeProvider(): array
                             'sort_attr_code' => [
                                 'type' => 'string',
                                 'index' => 'not_analyzed',
+                                'normalizer' => 'folding',
                             ],
                         ],
                     ],
@@ -375,6 +376,7 @@ public function attributeProvider(): array
                             'sort_attr_code' => [
                                 'type' => 'string',
                                 'index' => 'not_analyzed',
+                                'normalizer' => 'folding',
                             ],
                         ],
                     ],

dev/tests/integration/testsuite/Magento/Elasticsearch/Model/Indexer/ReindexAllTest.php

@@ -6,7 +6,9 @@
 namespace Magento\Elasticsearch\Model\Indexer;
 
 use Magento\Catalog\Api\ProductRepositoryInterface;
+use Magento\Catalog\Test\Fixture\Product as ProductFixture;
 use Magento\Indexer\Model\Indexer;
+use Magento\TestFramework\Fixture\DataFixture;
 use Magento\TestFramework\Helper\Bootstrap;
 use Magento\Store\Model\StoreManagerInterface;
 use Magento\Elasticsearch\SearchAdapter\ConnectionManager;
@@ -166,6 +168,29 @@ public function testSortCaseSensitive(): void
         self::assertEquals($productThird->getId(), $fifthInSearchResults);
     }
 
+    #[
+        DataFixture(ProductFixture::class, ['sku' => 'p1', 'name' => 'A']),
+        DataFixture(ProductFixture::class, ['sku' => 'p2', 'name' => 'Ç']),
+        DataFixture(ProductFixture::class, ['sku' => 'p3', 'name' => 'D']),
+        DataFixture(ProductFixture::class, ['sku' => 'p4', 'name' => 'Ü']),
+        DataFixture(ProductFixture::class, ['sku' => 'p5', 'name' => 'Z']),
+    ]
+    public function testSortAccentedCharacters(): void
+    {
+        $expectedOrder = [
+            (int) $this->productRepository->get('p1')->getId(),
+            (int) $this->productRepository->get('p2')->getId(),
+            (int) $this->productRepository->get('p3')->getId(),
+            (int) $this->productRepository->get('p4')->getId(),
+            (int) $this->productRepository->get('p5')->getId(),
+        ];
+        $this->reindexAll();
+
+        $result = $this->sortByName();
+        $actualOrder = array_map(fn ($id) => (int) $id, array_column($result, '_id'));
+        self::assertEquals($expectedOrder, $actualOrder);
+    }
+
     /**
      * Test search of specific product after full reindex
      *