test User entity displayname and email confirmation

backend/tests/Unit/User/UserTest.php

@@ -0,0 +1,64 @@
+<?php
+
+namespace Tests\Unit\User;
+
+use App\Shared\ValueObject\EmailAddress;
+use App\User\User;
+use DateTimeImmutable;
+use DateTimeZone;
+use Tests\TestCase;
+
+class UserTest extends TestCase
+{
+    public function test_user_exposes_all_properties(): void
+    {
+        $confirmedAt = new DateTimeImmutable(
+            '2026-05-06T12:00:00',
+            new DateTimeZone('UTC'),
+        );
+        $user = new User(
+            id: 7,
+            email: new EmailAddress('alice@example.com'),
+            displayName: 'alice',
+            passwordHash: 'hash',
+            isAdmin: true,
+            emailConfirmedAt: $confirmedAt,
+        );
+
+        $this->assertSame(7, $user->getId());
+        $this->assertSame('alice@example.com', $user->getEmail()->value());
+        $this->assertSame('alice', $user->getDisplayName());
+        $this->assertSame('hash', $user->getPasswordHash());
+        $this->assertTrue($user->isAdmin());
+        $this->assertSame($confirmedAt, $user->getEmailConfirmedAt());
+    }
+
+    public function test_user_email_confirmed_at_can_be_null(): void
+    {
+        $user = new User(
+            id: 1,
+            email: new EmailAddress('bob@example.com'),
+            displayName: 'bob',
+            passwordHash: '',
+            isAdmin: false,
+            emailConfirmedAt: null,
+        );
+
+        $this->assertNull($user->getEmailConfirmedAt());
+        $this->assertFalse($user->isEmailConfirmed());
+    }
+
+    public function test_email_confirmed_when_timestamp_present(): void
+    {
+        $user = new User(
+            id: 1,
+            email: new EmailAddress('bob@example.com'),
+            displayName: 'bob',
+            passwordHash: 'hash',
+            isAdmin: false,
+            emailConfirmedAt: new DateTimeImmutable('2026-05-01T00:00:00Z'),
+        );
+
+        $this->assertTrue($user->isEmailConfirmed());
+    }
+}