feat: add comprehensive tests for Medium, OtpCode, Shift models and various Enums

tests/Unit/Enums/DocumentModalityEnumTest.php

@@ -0,0 +1,30 @@
+<?php
+
+namespace Tests\Unit\Enums;
+
+use App\Enums\DocumentModalityEnum;
+use PHPUnit\Framework\TestCase;
+
+class DocumentModalityEnumTest extends TestCase
+{
+    public function test_price_per_modality(): void
+    {
+        $this->assertSame(1000000, DocumentModalityEnum::CtScan->price());
+        $this->assertSame(1200000, DocumentModalityEnum::Mri->price());
+        $this->assertSame(500000, DocumentModalityEnum::Sonography->price());
+        $this->assertSame(700000, DocumentModalityEnum::Echo->price());
+        $this->assertSame(400000, DocumentModalityEnum::Radiology->price());
+    }
+
+    public function test_every_case_has_a_positive_price(): void
+    {
+        foreach (DocumentModalityEnum::cases() as $modality) {
+            $this->assertGreaterThan(0, $modality->price(), $modality->name);
+        }
+    }
+
+    public function test_values_are_slugs_used_by_forms(): void
+    {
+        $this->assertSame(['ct-scan', 'mri', 'sonography', 'echo', 'radiology'], DocumentModalityEnum::values());
+    }
+}