TestUserServiceStubs

TestUserService.java

public class TestUserService {

	private static final Email EMAIL = new Email("user@company.com");

	private final class StubUserDAO implements UserDAO {
		public User findUserBy(Email email) {
			return userWithPassword("other_password");
		}
	}

	private UserDAO stubUserDAO;
	private UserService userService;

	@Before
	public void initialization() {
		stubUserDAO = new StubUserDAO();
		userService = new UserService(stubUserDAO);
	}

	@Test
	public void //
	should_throw_exception_when_passwords_are_different_version1() throws Exception {

		try {
			userService.signIn(EMAIL, new Password("password"));
			fail("No threw exception");
		} catch (AuthenticationException e) {
			// ok
		}
	}

	@Test(expected = AuthenticationException.class)
	public void //
	should_throw_exception_when_passwords_are_different_version2() throws Exception {

		userService.signIn(EMAIL, new Password("password"));
	}

	private User userWithPassword(String password) {
		User user = new User();
		user.setPassword(password);
		return user;
	}
}