allow increasing invoice numbers per day (#2433)

tests/Invoice/Renderer/RendererTestTrait.php

@@ -28,6 +28,7 @@ use App\Invoice\InvoiceFormatter;
 use App\Invoice\InvoiceModel;
 use App\Invoice\NumberGenerator\DateNumberGenerator;
 use App\Invoice\Renderer\AbstractRenderer;
+use App\Repository\InvoiceRepository;
 use App\Repository\Query\InvoiceQuery;
 
 trait RendererTestTrait
@@ -228,7 +229,7 @@ trait RendererTestTrait
 
         $model->setCalculator($calculator);
 
-        $numberGenerator = new DateNumberGenerator();
+        $numberGenerator = $this->getNumberGeneratorSut();
         $numberGenerator->setModel($model);
 
         $model->setNumberGenerator($numberGenerator);
@@ -236,6 +237,17 @@ trait RendererTestTrait
         return $model;
     }
 
+    private function getNumberGeneratorSut()
+    {
+        $repository = $this->createMock(InvoiceRepository::class);
+        $repository
+            ->expects($this->any())
+            ->method('hasInvoice')
+            ->willReturn(false);
+
+        return new DateNumberGenerator($repository);
+    }
+
     protected function getInvoiceModelOneEntry(): InvoiceModel
     {
         $user = new User();
@@ -301,7 +313,7 @@ trait RendererTestTrait
 
         $model->setCalculator($calculator);
 
-        $numberGenerator = new DateNumberGenerator();
+        $numberGenerator = $this->getNumberGeneratorSut();
         $numberGenerator->setModel($model);
 
         $model->setNumberGenerator($numberGenerator);