Add DeleteOrphanVisitsTest API test

module/Rest/test-api/Action/DeleteOrphanVisitsTest.php

@@ -0,0 +1,42 @@
+<?php
+
+declare(strict_types=1);
+
+namespace ShlinkioApiTest\Shlink\Rest\Action;
+
+use PHPUnit\Framework\Attributes\Test;
+use Shlinkio\Shlink\TestUtils\ApiTest\ApiTestCase;
+
+class DeleteOrphanVisitsTest extends ApiTestCase
+{
+    #[Test]
+    public function deletesVisitsForShortUrlWithoutAffectingTheRest(): void
+    {
+        self::assertEquals(7, $this->getTotalVisits());
+        self::assertEquals(3, $this->getOrphanVisits());
+
+        $resp = $this->callApiWithKey(self::METHOD_DELETE, '/visits/orphan');
+        $payload = $this->getJsonResponsePayload($resp);
+
+        self::assertEquals(200, $resp->getStatusCode());
+        self::assertEquals(3, $payload['deletedVisits']);
+        self::assertEquals(7, $this->getTotalVisits()); // This verifies that regular visits have not been affected
+        self::assertEquals(0, $this->getOrphanVisits());
+    }
+
+    private function getTotalVisits(): int
+    {
+        $resp = $this->callApiWithKey(self::METHOD_GET, '/visits/non-orphan');
+        $payload = $this->getJsonResponsePayload($resp);
+
+        return $payload['visits']['pagination']['totalItems'];
+    }
+
+    private function getOrphanVisits(): int
+    {
+        $resp = $this->callApiWithKey(self::METHOD_GET, '/visits/orphan');
+        $payload = $this->getJsonResponsePayload($resp);
+
+        return $payload['visits']['pagination']['totalItems'];
+    }
+}

module/Rest/test-api/Action/DeleteShortUrlVisitsTest.php

@@ -22,8 +22,8 @@ class DeleteShortUrlVisitsTest extends ApiTestCase
 
         self::assertEquals(200, $resp->getStatusCode());
         self::assertEquals(3, $payload['deletedVisits']);
-        self::assertEquals(4, $this->getTotalVisits());
+        self::assertEquals(4, $this->getTotalVisits()); // This verifies that other visits have not been affected
-        self::assertEquals(3, $this->getOrphanVisits());
+        self::assertEquals(3, $this->getOrphanVisits()); // This verifies that orphan visits have not been affected
     }
 
     private function getTotalVisits(): int