27-05-2026 Update DHL Modul v2.0

tests/Unit/Dhl/DhlShipmentWeightCalculatorTest.php

@@ -0,0 +1,60 @@
+<?php
+
+use App\Models\Product;
+use App\Models\ShoppingOrder;
+use App\Models\ShoppingOrderItem;
+use App\Services\DhlShipmentWeightCalculator;
+use Illuminate\Database\Eloquent\Collection;
+
+function dhlWeightOrder(int $baseWeightGrams, array $items = []): ShoppingOrder
+{
+    $order = new ShoppingOrder;
+    $order->weight = $baseWeightGrams;
+    $order->setRelation('shopping_order_items', new Collection($items));
+
+    return $order;
+}
+
+function dhlWeightItem(int $comp, int $qty, int $productWeightGrams): ShoppingOrderItem
+{
+    $product = new Product;
+    $product->weight = $productWeightGrams;
+
+    $item = new ShoppingOrderItem;
+    $item->comp = $comp;
+    $item->qty = $qty;
+    $item->setRelation('product', $product);
+
+    return $item;
+}
+
+it('uses the shopping order weight as DHL base weight', function () {
+    $weight = (new DhlShipmentWeightCalculator)->calculate(dhlWeightOrder(1250));
+
+    expect($weight)->toBe(1.25);
+});
+
+it('adds compensation product weights to the DHL weight', function () {
+    $weight = (new DhlShipmentWeightCalculator)->calculate(dhlWeightOrder(500, [
+        dhlWeightItem(comp: 1, qty: 2, productWeightGrams: 250),
+        dhlWeightItem(comp: 0, qty: 10, productWeightGrams: 1000),
+    ]));
+
+    expect($weight)->toBe(1.0);
+});
+
+it('falls back to a safe default DHL weight when no weight exists', function () {
+    $weight = (new DhlShipmentWeightCalculator)->calculate(dhlWeightOrder(0));
+
+    expect($weight)->toBe(1.0);
+});
+
+it('validates product specific DHL weight limits', function () {
+    (new DhlShipmentWeightCalculator)->assertWithinProductLimit(1.001, 'V62KP');
+})->throws(InvalidArgumentException::class, 'Gewicht 1.001 kg ueberschreitet das DHL-Maximalgewicht fuer V62KP (1.0 kg).');
+
+it('allows regular parcel products up to the DHL parcel limit', function () {
+    (new DhlShipmentWeightCalculator)->assertWithinProductLimit(31.5, 'V01PAK');
+
+    expect(true)->toBeTrue();
+});