feature test su institution

backend/tests/Unit/InstitutionLinkTypeTest.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace Tests\Unit;
+
+use App\Enums\InstitutionLinkType;
+use PHPUnit\Framework\TestCase;
+
+class InstitutionLinkTypeTest extends TestCase
+{
+    public function test_every_case_has_a_non_empty_label(): void
+    {
+        foreach (InstitutionLinkType::cases() as $case) {
+            $this->assertNotSame('', $case->label());
+        }
+    }
+
+    public function test_official_case_value_and_label(): void
+    {
+        $this->assertSame('official', InstitutionLinkType::Official->value);
+        $this->assertSame('Official website', InstitutionLinkType::Official->label());
+    }
+
+    public function test_it_is_a_string_backed_enum(): void
+    {
+        $this->assertSame(InstitutionLinkType::Social, InstitutionLinkType::from('social'));
+    }
+}