use events for budget calculation (#2544)

tests/Event/CustomerStatisticEventTest.php

@@ -0,0 +1,36 @@
+<?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\Event;
+
+use App\Entity\Customer;
+use App\Event\AbstractCustomerEvent;
+use App\Event\CustomerStatisticEvent;
+use App\Model\CustomerStatistic;
+
+/**
+ * @covers \App\Event\AbstractCustomerEvent
+ * @covers \App\Event\CustomerStatisticEvent
+ */
+class CustomerStatisticEventTest extends AbstractCustomerEventTest
+{
+    protected function createCustomerEvent(Customer $customer): AbstractCustomerEvent
+    {
+        return new CustomerStatisticEvent($customer, new CustomerStatistic());
+    }
+
+    public function testStatistic()
+    {
+        $customer = new Customer();
+        $statistic = new CustomerStatistic();
+        $sut = new CustomerStatisticEvent($customer, $statistic);
+
+        self::assertSame($statistic, $sut->getStatistic());
+    }
+}