phase 6 added helpdesk

Modules/Helpdesk/Tests/Unit/TicketReferenceServiceTest.php

@@ -0,0 +1,56 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Modules\Helpdesk\Tests\Unit;
+
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Modules\Helpdesk\Services\TicketReferenceService;
+use Modules\Helpdesk\Tests\Concerns\BuildsHelpdeskFixtures;
+use Tests\TestCase;
+
+final class TicketReferenceServiceTest extends TestCase
+{
+    use BuildsHelpdeskFixtures;
+    use RefreshDatabase;
+
+    public function test_it_generates_the_first_reference_for_the_current_year(): void
+    {
+        $reference = app(TicketReferenceService::class)->next();
+
+        self::assertSame('HD-' . now()->format('Y') . '-00001', $reference);
+    }
+
+    public function test_it_generates_the_next_reference_after_existing_tickets(): void
+    {
+        $this->ticket(['reference' => 'HD-' . now()->format('Y') . '-00041']);
+
+        $reference = app(TicketReferenceService::class)->next();
+
+        self::assertSame('HD-' . now()->format('Y') . '-00042', $reference);
+    }
+
+    public function test_it_does_not_reuse_soft_deleted_ticket_references(): void
+    {
+        $year = now()->format('Y');
+        $ticket = $this->ticket(['reference' => 'HD-' . $year . '-00002']);
+
+        $ticket->delete();
+
+        $reference = app(TicketReferenceService::class)->next();
+
+        self::assertSame('HD-' . $year . '-00003', $reference);
+    }
+
+    public function test_it_uses_the_highest_reference_suffix_instead_of_latest_database_id(): void
+    {
+        $year = now()->format('Y');
+
+        $this->ticket(['reference' => 'HD-' . $year . '-00042']);
+        $this->ticket(['reference' => 'HD-' . $year . '-00002']);
+
+        $reference = app(TicketReferenceService::class)->next();
+
+        self::assertSame('HD-' . $year . '-00043', $reference);
+    }
+}