allow custom export repositories (#2182)

tests/Repository/TimesheetInvoiceItemRepositoryTest.php

@@ -0,0 +1,40 @@
+<?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\Repository;
+
+use App\Entity\Activity;
+use App\Entity\Customer;
+use App\Entity\Project;
+use App\Entity\Timesheet;
+use App\Repository\TimesheetInvoiceItemRepository;
+use App\Repository\TimesheetRepository;
+use PHPUnit\Framework\TestCase;
+
+/**
+ * @covers \App\Repository\TimesheetInvoiceItemRepository
+ */
+class TimesheetInvoiceItemRepositoryTest extends TestCase
+{
+    public function testSetExported()
+    {
+        $repository = $this->createMock(TimesheetRepository::class);
+        $repository->expects($this->once())->method('setExported')->willReturnCallback(function (array $items) {
+            self::assertCount(2, $items);
+        });
+
+        $sut = new TimesheetInvoiceItemRepository($repository);
+
+        /* @phpstan-ignore-next-line */
+        $sut->setExported([new Timesheet(), null, new \stdClass(), new Timesheet(), new Activity()]);
+        // test else for empty array
+        /* @phpstan-ignore-next-line */
+        $sut->setExported([new Customer(), new Project()]);
+    }
+}