docs/unwind/layers/unit-tests/
├── index.md           # Test summary, coverage overview
├── service-tests.md   # Service layer tests
├── domain-tests.md    # Domain/entity tests
├── utilities.md       # Test utilities, factories
└── coverage-gaps.md   # Classes without tests

docs/unwind/layers/unit-tests/
├── index.md
├── users-tests.md
├── orders-tests.md
└── ...

mkdir -p docs/unwind/layers/unit-tests/

# Unit Tests

## Sections
- [Service Tests](service-tests.md) - _pending_
- [Domain Tests](domain-tests.md) - _pending_
- [Test Utilities](utilities.md) - _pending_
- [Coverage Gaps](coverage-gaps.md) - _pending_

## Summary
_Analysis in progress..._

# Unit Tests

## Configuration

[pom.xml test dependencies](https://github.com/owner/repo/blob/main/pom.xml#L50-L70)

```xml
<dependency>
    <groupId>org.junit.jupiter</groupId>
    <artifactId>junit-jupiter</artifactId>
    <version>5.9.0</version>
    <scope>test</scope>
</dependency>
<dependency>
    <groupId>org.mockito</groupId>
    <artifactId>mockito-core</artifactId>
    <version>5.0.0</version>
    <scope>test</scope>
</dependency>

@ExtendWith(MockitoExtension.class)
class UserServiceTest {

    @Mock
    private UserRepository userRepository;

    @Mock
    private PasswordEncoder passwordEncoder;

    @InjectMocks
    private UserService userService;

    @Test
    void createUser_success() {
        CreateUserRequest request = new CreateUserRequest("[email protected]", "password", "Test");
        when(userRepository.existsByEmail(request.email())).thenReturn(false);
        when(passwordEncoder.encode(request.password())).thenReturn("encoded");
        when(userRepository.save(any())).thenAnswer(inv -> inv.getArgument(0));

        User result = userService.createUser(request);

        assertThat(result.getEmail()).isEqualTo("[email protected]");
        verify(userRepository).save(any());
    }

    @Test
    void createUser_duplicateEmail_throws() {
        CreateUserRequest request = new CreateUserRequest("[email protected]", "password", "Test");
        when(userRepository.existsByEmail(request.email())).thenReturn(true);

        assertThrows(DuplicateEmailException.class, () -> userService.createUser(request));
    }
}

class UserTest {

    @Test
    void suspend_activeUser_setsSuspended() {
        User user = new User("[email protected]", "hash");
        user.setStatus(UserStatus.ACTIVE);

        user.suspend();

        assertThat(user.getStatus()).isEqualTo(UserStatus.SUSPENDED);
    }

    @Test
    void suspend_deletedUser_throws() {
        User user = new User("[email protected]", "hash");
        user.setStatus(UserStatus.DELETED);

        assertThrows(IllegalStateException.class, () -> user.suspend());
    }
}

public class TestDataFactory {
    public static User createUser() {
        return new User("[email protected]", "encodedPassword");
    }

    public static Order createOrder(User user) {
        Order order = new Order(user);
        order.addItem(createProduct(), 2);
        return order;
    }
}

## Refresh Mode

If `docs/unwind/layers/unit-tests/` exists, compare current state and add `## Changes Since Last Review` section to `index.md`.