Add feature tests for Document, FastRequest, FileStorage, Shift, and SMS services

tests/Feature/Services/Document/DocumentCodeServiceTest.php

@@ -0,0 +1,58 @@
+<?php
+
+namespace Tests\Feature\Services\Document;
+
+use App\Models\Document;
+use App\Services\Document\DocumentCodeService;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use RuntimeException;
+use Tests\TestCase;
+
+class DocumentCodeServiceTest extends TestCase
+{
+    use RefreshDatabase;
+
+    protected DocumentCodeService $service;
+
+    protected function setUp(): void
+    {
+        parent::setUp();
+
+        $this->service = app(DocumentCodeService::class);
+    }
+
+    public function test_generate_returns_six_digit_zero_padded_code(): void
+    {
+        $this->assertMatchesRegularExpression('/^\d{6}$/', $this->service->generate());
+    }
+
+    public function test_generate_returns_code_not_used_by_existing_document(): void
+    {
+        Document::factory()->count(5)->create();
+
+        $code = $this->service->generate();
+
+        $this->assertDatabaseMissing('documents', ['code' => $code]);
+    }
+
+    public function test_generate_throws_when_no_unique_code_found_within_tries(): void
+    {
+        $this->expectException(RuntimeException::class);
+
+        $this->service->generate(0);
+    }
+
+    public function test_document_observer_assigns_code_on_create(): void
+    {
+        $document = Document::factory()->create(['code' => null]);
+
+        $this->assertMatchesRegularExpression('/^\d{6}$/', $document->code);
+    }
+
+    public function test_document_observer_keeps_explicit_code(): void
+    {
+        $document = Document::factory()->create(['code' => '123456']);
+
+        $this->assertSame('123456', $document->code);
+    }
+}