UserRepoDynamoDBBeforeTests.java

public class UserRepoDynamoDBTest {

    // ...

    @Test
    public void Given_UserRepoDynamoDB_Then_CreateAndReadUserSuccessfully() {
        userDAO.createUser(UserMockData.USER_NEW);

        UserModel loadedUser = userDAO.getUser(UserMockData.USER_NEW).get();

        assertEquals(UserMockData.USER_NEW, loadedUser);
    }

    @Test
    public void Given_UserRepoDynamoDB_Then_UpdateAndReadUserSuccessfully() {
        UserMockData.USER_EXISTS.setIsActive(true);
        userDAO.updateUser(UserMockData.USER_EXISTS);

        UserModel loadedUser = userDAO.getUser(UserMockData.USER_EXISTS).get();

        assertEquals(UserMockData.USER_EXISTS, loadedUser);
    }

    @Test
    public void Given_UserRepoDynamoDBAndExistingUser_Then_CreateUserThrowsException() {
        assertThrows(UserAlreadyExistsException.class, () -> {
            userDAO.createUser(UserMockData.USER_EXISTS);
        });
    }

    @Test
    public void Given_UserRepoDynamoDBAndNonExistingUser_Then_UpdateUserThrowsException() {
        assertThrows(UserNotFoundException.class, () -> {
            userDAO.updateUser(UserMockData.USER_NEW);
        });
    }

    @Test
    public void Given_UserRepoDynamoDB_Then_DeleteSuccessfully() {
        userDAO.deleteUser(UserMockData.USER_EXISTS);

        assertFalse(userDAO.getUser(UserMockData.USER_EXISTS).isPresent());
    }
    
}