Warenwirtschaft: F-08 — Füllgewicht mit Nachkommastellen

fill_weight decimal(10,3) + float-Cast; deutsche Eingabe normalisiert,
positiv validiert, Fehler im Formular sichtbar. Tests für F-07/F-08.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

tests/Feature/ProductFillWeightTest.php

@@ -0,0 +1,74 @@
+<?php
+
+use App\Models\Location;
+use App\Models\PackagingItem;
+use App\Models\PackagingMaterial;
+use App\Models\Product;
+use App\Models\Supplier;
+use App\Services\ProductionService;
+use App\User;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tests\TestCase;
+
+uses(TestCase::class, RefreshDatabase::class);
+
+/**
+ * Prüfung 08.09.2026 F-08: Füllgewicht mit Nachkommastellen (Dezimalspalte, deutsche Eingabe, Validierung).
+ */
+function fwUser(): User
+{
+    $user = User::query()->create(['email' => uniqid('fw_', true).'@test.example', 'password' => bcrypt('password')]);
+    $user->forceFill(['admin' => 7, 'confirmed' => true, 'active' => true, 'wizard' => 100, 'blocked' => false])->save();
+
+    return $user->fresh();
+}
+
+test('F-08: füllgewicht 39,5 wird mit nachkommastellen gespeichert und skaliert die rezeptur exakt', function () {
+    $this->actingAs(fwUser(), 'user');
+
+    $this->post(route('admin_product_store'), ['id' => 'new', 'name' => 'FW-Dezimal', 'fill_weight' => '39,5'])
+        ->assertRedirect()->assertSessionHasNoErrors();
+
+    $product = Product::query()->where('name', 'FW-Dezimal')->firstOrFail();
+    expect($product->fill_weight)->toBe(39.5)
+        ->and(app(ProductionService::class)->recipeGramScale($product))->toBe(0.395);
+
+    // Punkt mit 1–2 Nachkommastellen gilt als Dezimaltrenner (WaWi-Konvention), leer = null.
+    $this->post(route('admin_product_store'), ['id' => $product->id, 'name' => 'FW-Dezimal', 'fill_weight' => '4.5'])->assertSessionHasNoErrors();
+    expect($product->fresh()->fill_weight)->toBe(4.5);
+
+    $this->post(route('admin_product_store'), ['id' => $product->id, 'name' => 'FW-Dezimal', 'fill_weight' => ''])->assertSessionHasNoErrors();
+    expect($product->fresh()->fill_weight)->toBeNull();
+});
+
+test('F-08: ungültiges oder negatives füllgewicht wird abgelehnt', function () {
+    $this->actingAs(fwUser(), 'user');
+    $product = Product::query()->create(['name' => 'FW-Invalid', 'title' => 'x', 'active' => true, 'fill_weight' => 10]);
+
+    // Der Produkt-Controller rendert bei Fehlern das Formular direkt (kein Redirect).
+    foreach (['abc', '-5', '0'] as $bad) {
+        $this->post(route('admin_product_store'), ['id' => $product->id, 'name' => 'FW-Invalid', 'fill_weight' => $bad])
+            ->assertOk()
+            ->assertSee('is-invalid', false);
+    }
+    expect($product->fresh()->fill_weight)->toBe(10.0);
+});
+
+test('F-07: produktionsformular liefert die verpackungs-stückliste je ergebnisprodukt für die vorschau', function () {
+    $this->actingAs(fwUser(), 'user');
+    $supplier = Supplier::factory()->create();
+    $material = PackagingMaterial::factory()->create();
+    $pk = PackagingItem::factory()->create(['packaging_material_id' => $material->id, 'supplier_id' => $supplier->id, 'name' => 'F07-Tiegel', 'category' => 'packaging']);
+    $small = Product::query()->create(['name' => 'F07-5ml', 'title' => 'x', 'active' => true, 'no_recipe_required' => true, 'production_relevant' => false]);
+    $small->packagings()->sync([$pk->id => ['quantity' => 2, 'pos' => 0]]);
+    Location::factory()->create();
+
+    $html = $this->get(route('admin.inventory.productions.create'))->assertOk()->getContent();
+    $start = strpos($html, "data-packaging-bom='") + strlen("data-packaging-bom='");
+    $bom = json_decode(substr($html, $start, strpos($html, "'", $start) - $start), true);
+
+    expect($bom)->toHaveKey((string) $small->id)
+        ->and($bom[$small->id][0]['name'])->toBe('F07-Tiegel')
+        ->and($bom[$small->id][0]['per_unit'])->toEqual(2)
+        ->and($html)->toContain('renderPackagingPreview');
+});