diff --git a/Tests/Fixtures/Orders.php b/Tests/Fixtures/Orders.php
new file mode 100644
index 00000000..4840da26
--- /dev/null
+++ b/Tests/Fixtures/Orders.php
@@ -0,0 +1,51 @@
+<?php
+
+declare(strict_types=1);
+
+use Extcode\Cart\Domain\Model\Order\BillingAddress;
+
+return [
+    'tx_cart_domain_model_order_item' => [
+        0 => [
+            'uid' => 10,
+            'pid' => 105,
+            'billing_address' => 1,
+        ],
+        1 => [
+            'uid' => 11,
+            'pid' => 105,
+            'billing_address' => 1,
+            'order_number' => 'O-20260121-7',
+            'order_date' => 1769034161,
+            'invoice_number' => 'I-20260122-3',
+            'invoice_date' => 1769120561,
+        ],
+        2 => [
+            'uid' => 12,
+            'pid' => 105,
+            'billing_address' => 0,
+            'order_number' => 'O-20260121-7',
+            'order_date' => 1769034161,
+            'invoice_number' => 'I-20260122-3',
+            'invoice_date' => 1769120561,
+        ],
+    ],
+    'tx_cart_domain_model_order_address' => [
+        0 => [
+            'uid' => 20,
+            'pid' => 105,
+            'item' => 10,
+            'record_type' => '\\' . BillingAddress::class,
+        ],
+        1 => [
+            'uid' => 21,
+            'pid' => 105,
+            'item' => 11,
+            'record_type' => '\\' . BillingAddress::class,
+            'salutation' => 'Mr',
+            'title' => '',
+            'first_name' => 'Arthur',
+            'last_name' => 'Dent',
+        ],
+    ],
+];
diff --git a/Tests/Functional/ViewHelpers/CsvValuesViewHelperTest.php b/Tests/Functional/ViewHelpers/CsvValuesViewHelperTest.php
new file mode 100644
index 00000000..9ccb78f9
--- /dev/null
+++ b/Tests/Functional/ViewHelpers/CsvValuesViewHelperTest.php
@@ -0,0 +1,115 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Extcode\Cart\Tests\Functional\ViewHelpers;
+
+/*
+ * This file is part of the package extcode/cart.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE file that was distributed with this source code.
+ */
+
+use Codappix\Typo3PhpDatasets\TestingFramework;
+use Extcode\Cart\Domain\Repository\Order\ItemRepository;
+use PHPUnit\Framework\Attributes\Test;
+use TYPO3\CMS\Core\Utility\GeneralUtility;
+use TYPO3\CMS\Core\View\ViewFactoryData;
+use TYPO3\CMS\Core\View\ViewFactoryInterface;
+use TYPO3\CMS\Core\View\ViewInterface;
+use TYPO3\CMS\Extbase\Persistence\Generic\QuerySettingsInterface;
+use TYPO3\TestingFramework\Core\Functional\FunctionalTestCase;
+
+final class CsvValuesViewHelperTest extends FunctionalTestCase
+{
+    use TestingFramework;
+
+    private ItemRepository $itemRepository;
+
+    public function setUp(): void
+    {
+        $this->testExtensionsToLoad[] = 'extcode/cart';
+
+        parent::setUp();
+
+        $this->itemRepository = GeneralUtility::makeInstance(ItemRepository::class);
+
+        $querySettings = GeneralUtility::makeInstance(QuerySettingsInterface::class);
+        $querySettings->setStoragePageIds([105]);
+        $this->itemRepository->setDefaultQuerySettings($querySettings);
+
+        $this->importPHPDataSet(__DIR__ . '/../../Fixtures/BaseDatabase.php');
+        $this->importPHPDataSet(__DIR__ . '/../../Fixtures/Orders.php');
+    }
+
+    #[Test]
+    public function orderWithEmptyOrderDataWithEmptyAddressDataExportsToCsvLine(): void
+    {
+        $orderItem = $this->itemRepository->findByUid(10);
+
+        $template = __DIR__ . '/Fixtures/CsvValues.html';
+        $view = $this->getView($template);
+        $view->assign('orderItem', $orderItem);
+        $content = $view->render();
+
+        self::assertSame(
+            ',,,,,,,' . "\n",
+            $content
+        );
+    }
+
+    #[Test]
+    public function orderWithOrderDataAndWithAddressExportsToCsvLine(): void
+    {
+        $orderItem = $this->itemRepository->findByUid(11);
+
+        $template = __DIR__ . '/Fixtures/CsvValues.html';
+        $view = $this->getView($template);
+        $view->assign('orderItem', $orderItem);
+        $content = $view->render();
+
+        self::assertSame(
+            '"O-20260121-7","21.01.2026","I-20260122-3","22.01.2026","Mr",,"Arthur","Dent"' . "\n",
+            $content
+        );
+    }
+
+    #[Test]
+    public function orderWithOrderDataAndWithAddressExportsToCsvLineWithDifferentDelimAndQuote(): void
+    {
+        $orderItem = $this->itemRepository->findByUid(11);
+
+        $template = __DIR__ . '/Fixtures/CsvValuesWithDifferentDelimAndQuote.html';
+        $view = $this->getView($template);
+        $view->assign('orderItem', $orderItem);
+        $content = $view->render();
+
+        self::assertSame(
+            '\'O-20260121-7\'|\'21.01.2026\'|\'I-20260122-3\'|\'22.01.2026\'|\'Mr\'||\'Arthur\'|\'Dent\'' . "\n",
+            $content
+        );
+    }
+
+    #[Test]
+    public function orderWithOrderDataAndWithoutAddressExportsToCsvLine(): void
+    {
+        $orderItem = $this->itemRepository->findByUid(12);
+
+        $template = __DIR__ . '/Fixtures/CsvValues.html';
+        $view = $this->getView($template);
+        $view->assign('orderItem', $orderItem);
+        $content = $view->render();
+
+        self::assertSame(
+            '"O-20260121-7","21.01.2026","I-20260122-3","22.01.2026","","","",""' . "\n",
+            $content
+        );
+    }
+
+    private function getView(string $template): ViewInterface
+    {
+        $viewFactory = GeneralUtility::makeInstance(ViewFactoryInterface::class);
+        return $viewFactory->create(new ViewFactoryData(null, null, null, $template));
+    }
+}
diff --git a/Tests/Functional/ViewHelpers/Fixtures/CsvValues.html b/Tests/Functional/ViewHelpers/Fixtures/CsvValues.html
new file mode 100644
index 00000000..06723d28
--- /dev/null
+++ b/Tests/Functional/ViewHelpers/Fixtures/CsvValues.html
@@ -0,0 +1 @@
+<cart:csvValues orderItem="{orderItem}" />
diff --git a/Tests/Functional/ViewHelpers/Fixtures/CsvValuesWithDifferentDelimAndQuote.html b/Tests/Functional/ViewHelpers/Fixtures/CsvValuesWithDifferentDelimAndQuote.html
new file mode 100644
index 00000000..e78d9818
--- /dev/null
+++ b/Tests/Functional/ViewHelpers/Fixtures/CsvValuesWithDifferentDelimAndQuote.html
@@ -0,0 +1 @@
+<cart:csvValues orderItem="{orderItem}" delim="|" quote="'"/>