diff --git a/tests/Unit/Auth/FakeSessionRepositoryTest.php b/tests/Unit/Auth/FakeSessionRepositoryTest.php
new file mode 100644
index 0000000..6e2bce4
--- /dev/null
+++ b/tests/Unit/Auth/FakeSessionRepositoryTest.php
@@ -0,0 +1,68 @@
+<?php
+
+namespace Tests\Unit\Auth;
+
+use App\Auth\CreateSessionDto;
+use App\Auth\Session;
+use DateTimeImmutable;
+use PHPUnit\Framework\TestCase;
+use Tests\Fakes\FakeSessionRepository;
+
+class FakeSessionRepositoryTest extends TestCase
+{
+    private FakeSessionRepository $sessionRepo;
+
+    public function setUp(): void
+    {
+        $this->sessionRepo = new FakeSessionRepository();
+    }
+
+    public function test_create_and_find_by_token(): void
+    {
+        $this->sessionRepo->create(new CreateSessionDto(
+            token: 'abc123',
+            userId: 0,
+            createdAt: new DateTimeImmutable('2025-01-01'),
+            expiresAt: new DateTimeImmutable('2025-01-08'),
+        ));
+
+        $session = $this->sessionRepo->findByToken('abc123');
+
+        $this->assertInstanceOf(Session::class, $session);
+        $this->assertEquals('abc123', $session->getToken());
+        $this->assertEquals(0, $session->getUserId());
+    }
+
+    public function test_find_by_token_returns_null_when_missing(): void
+    {
+        $this->assertNull($this->sessionRepo->findByToken('nope'));
+    }
+
+    public function test_find_by_token_returns_fresh_instance(): void
+    {
+        $created = $this->sessionRepo->create(new CreateSessionDto(
+            token: 'abc123',
+            userId: 0,
+            createdAt: new DateTimeImmutable('2025-01-01'),
+            expiresAt: new DateTimeImmutable('2025-01-08'),
+        ));
+
+        $fetched = $this->sessionRepo->findByToken('abc123');
+
+        $this->assertNotSame($created, $fetched);
+    }
+
+    public function test_delete_by_token(): void
+    {
+        $this->sessionRepo->create(new CreateSessionDto(
+            token: 'abc123',
+            userId: 0,
+            createdAt: new DateTimeImmutable('2025-01-01'),
+            expiresAt: new DateTimeImmutable('2025-01-08'),
+        ));
+
+        $this->sessionRepo->deleteByToken('abc123');
+
+        $this->assertNull($this->sessionRepo->findByToken('abc123'));
+    }
+}