diff --git a/tests/Models/StockLocationTest.php b/tests/Models/StockLocationTest.php
new file mode 100644
index 0000000..0b51989
--- /dev/null
+++ b/tests/Models/StockLocationTest.php
@@ -0,0 +1,42 @@
+<?php
+/**
+ * Orange Management
+ *
+ * PHP Version 8.0
+ *
+ * @package   tests
+ * @copyright Dennis Eichhorn
+ * @license   OMS License 1.0
+ * @version   1.0.0
+ * @link      https://orange-management.org
+ */
+declare(strict_types=1);
+
+namespace Modules\WarehouseManagement\tests\Models;
+
+use Modules\WarehouseManagement\Models\StockLocation;
+
+/**
+ * @internal
+ */
+final class StockLocationTest extends \PHPUnit\Framework\TestCase
+{
+    private StockLocation $stock;
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function setUp() : void
+    {
+        $this->stock = new StockLocation();
+    }
+
+    /**
+     * @covers Modules\WarehouseManagement\Models\StockLocation
+     * @group module
+     */
+    public function testDefault() : void
+    {
+        self::assertEquals(0, $this->stock->getId());
+    }
+}
diff --git a/tests/Models/StockMovementTest.php b/tests/Models/StockMovementTest.php
new file mode 100644
index 0000000..a5154a1
--- /dev/null
+++ b/tests/Models/StockMovementTest.php
@@ -0,0 +1,42 @@
+<?php
+/**
+ * Orange Management
+ *
+ * PHP Version 8.0
+ *
+ * @package   tests
+ * @copyright Dennis Eichhorn
+ * @license   OMS License 1.0
+ * @version   1.0.0
+ * @link      https://orange-management.org
+ */
+declare(strict_types=1);
+
+namespace Modules\WarehouseManagement\tests\Models;
+
+use Modules\WarehouseManagement\Models\StockMovement;
+
+/**
+ * @internal
+ */
+final class StockMovementTest extends \PHPUnit\Framework\TestCase
+{
+    private StockMovement $movement;
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function setUp() : void
+    {
+        $this->movement = new StockMovement();
+    }
+
+    /**
+     * @covers Modules\WarehouseManagement\Models\StockMovement
+     * @group module
+     */
+    public function testDefault() : void
+    {
+        self::assertEquals(0, $this->movement->getId());
+    }
+}
diff --git a/tests/Models/StockShelfTest.php b/tests/Models/StockShelfTest.php
new file mode 100644
index 0000000..46a5a1e
--- /dev/null
+++ b/tests/Models/StockShelfTest.php
@@ -0,0 +1,42 @@
+<?php
+/**
+ * Orange Management
+ *
+ * PHP Version 8.0
+ *
+ * @package   tests
+ * @copyright Dennis Eichhorn
+ * @license   OMS License 1.0
+ * @version   1.0.0
+ * @link      https://orange-management.org
+ */
+declare(strict_types=1);
+
+namespace Modules\WarehouseManagement\tests\Models;
+
+use Modules\WarehouseManagement\Models\StockShelf;
+
+/**
+ * @internal
+ */
+final class StockShelfTest extends \PHPUnit\Framework\TestCase
+{
+    private StockShelf $stock;
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function setUp() : void
+    {
+        $this->stock = new StockShelf();
+    }
+
+    /**
+     * @covers Modules\WarehouseManagement\Models\StockShelf
+     * @group module
+     */
+    public function testDefault() : void
+    {
+        self::assertEquals(0, $this->stock->getId());
+    }
+}
diff --git a/tests/Models/StockTest.php b/tests/Models/StockTest.php
new file mode 100644
index 0000000..b55807c
--- /dev/null
+++ b/tests/Models/StockTest.php
@@ -0,0 +1,42 @@
+<?php
+/**
+ * Orange Management
+ *
+ * PHP Version 8.0
+ *
+ * @package   tests
+ * @copyright Dennis Eichhorn
+ * @license   OMS License 1.0
+ * @version   1.0.0
+ * @link      https://orange-management.org
+ */
+declare(strict_types=1);
+
+namespace Modules\WarehouseManagement\tests\Models;
+
+use Modules\WarehouseManagement\Models\Stock;
+
+/**
+ * @internal
+ */
+final class StockTest extends \PHPUnit\Framework\TestCase
+{
+    private Stock $stock;
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function setUp() : void
+    {
+        $this->stock = new Stock();
+    }
+
+    /**
+     * @covers Modules\WarehouseManagement\Models\Stock
+     * @group module
+     */
+    public function testDefault() : void
+    {
+        self::assertEquals(0, $this->stock->getId());
+    }
+}