new invoice template variables for budgets (#3005)

tests/Mocks/InvoiceModelFactoryFactory.php

@@ -0,0 +1,30 @@
+<?php
+
+/*
+ * This file is part of the Kimai time-tracking app.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace App\Tests\Mocks;
+
+use App\Activity\ActivityStatisticService;
+use App\Customer\CustomerStatisticService;
+use App\Invoice\InvoiceModelFactory;
+use App\Project\ProjectStatisticService;
+
+class InvoiceModelFactoryFactory extends AbstractMockFactory
+{
+    public function create(): InvoiceModelFactory
+    {
+        /** @var CustomerStatisticService $customerStatistic */
+        $customerStatistic = $this->getMockBuilder(CustomerStatisticService::class)->disableOriginalConstructor()->getMock();
+        /** @var ProjectStatisticService $projectStatistic */
+        $projectStatistic = $this->getMockBuilder(ProjectStatisticService::class)->disableOriginalConstructor()->getMock();
+        /** @var ActivityStatisticService $activityStatistic */
+        $activityStatistic = $this->getMockBuilder(ActivityStatisticService::class)->disableOriginalConstructor()->getMock();
+
+        return new InvoiceModelFactory($customerStatistic, $projectStatistic, $activityStatistic);
+    }
+}