test user persistence

backend/tests/Feature/User/EloquentUserRepositoryTest.php

@@ -0,0 +1,48 @@
+<?php
+
+namespace Tests\Feature\User;
+
+use App\Shared\ValueObject\EmailAddress;
+use App\User\CreateUserDto;
+use App\User\UserRepository;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tests\TestCase;
+
+class EloquentUserRepositoryTest extends TestCase
+{
+    use RefreshDatabase;
+
+    public function test_it_creates_and_finds_a_user(): void
+    {
+        $repository = app(UserRepository::class);
+        $user = $repository->create(new CreateUserDto(
+            email: new EmailAddress('Founder@EXAMPLE.COM'),
+        ));
+
+        $this->assertGreaterThan(0, $user->getId());
+        $this->assertSame(
+            'Founder@example.com',
+            $user->getEmail()->value(),
+        );
+        $this->assertDatabaseHas('users', [
+            'id' => $user->getId(),
+            'email' => 'Founder@example.com',
+        ]);
+
+        $foundUser = $repository->find($user->getId());
+
+        $this->assertNotNull($foundUser);
+        $this->assertSame($user->getId(), $foundUser->getId());
+        $this->assertSame(
+            $user->getEmail()->value(),
+            $foundUser->getEmail()->value(),
+        );
+    }
+
+    public function test_it_returns_null_for_an_unknown_user(): void
+    {
+        $repository = app(UserRepository::class);
+
+        $this->assertNull($repository->find(999));
+    }
+}