@Test
public void getExistingUser() throws UserException {
userService.addUser("robin", "password");
assertNotNull(userService.getUser("robin"));
}
@Test(expected = UserException.class)
public void getUnexistingUser() throws UserException {
userService.getUser("mathias");
}
@Test
public void registerUnexistingUser() throws UserException {
userService.addUser("gijs.muys", "password");
assertNotNull(userService.getUser("gijs.muys"));
}