Create service to delete orphan visits

module/Core/test/Visit/VisitsDeleterTest.php

@@ -0,0 +1,41 @@
+<?php
+
+declare(strict_types=1);
+
+namespace ShlinkioTest\Shlink\Core\Visit;
+
+use PHPUnit\Framework\Attributes\DataProvider;
+use PHPUnit\Framework\Attributes\Test;
+use PHPUnit\Framework\MockObject\MockObject;
+use PHPUnit\Framework\TestCase;
+use Shlinkio\Shlink\Core\Visit\Repository\VisitDeleterRepositoryInterface;
+use Shlinkio\Shlink\Core\Visit\VisitsDeleter;
+
+class VisitsDeleterTest extends TestCase
+{
+    private VisitsDeleter $visitsDeleter;
+    private MockObject & VisitDeleterRepositoryInterface $repo;
+
+    protected function setUp(): void
+    {
+        $this->repo = $this->createMock(VisitDeleterRepositoryInterface::class);
+        $this->visitsDeleter = new VisitsDeleter($this->repo);
+    }
+
+    #[Test, DataProvider('provideVisitsCounts')]
+    public function returnsDeletedVisitsFromRepo(int $visitsCount): void
+    {
+        $this->repo->expects($this->once())->method('deleteOrphanVisits')->willReturn($visitsCount);
+
+        $result = $this->visitsDeleter->deleteOrphanVisits();
+
+        self::assertEquals($visitsCount, $result->affectedItems);
+    }
+
+    public static function provideVisitsCounts(): iterable
+    {
+        yield '45' => [45];
+        yield '5000' => [5000];
+        yield '0' => [0];
+    }
+}