RdfEngine implements Engine { @Override public void updateGroup(Group newGroup) { if (!groupExists(newGroup.getResource())) { throw new IllegalArgumentException("Group with that id does not exist"); } try (RepositoryConnection conn = repository.getConnection()) { conn.remove(newGroup.getResource(), null, null, context); conn.add(newGroup.getModel(), context); } }  @Override Optional<Role> getRole(String roleName); @Override Set<User> getUsers(); @Override User createUser(UserConfig userConfig); @Override void storeUser(User user); @Override boolean userExists(String username); @Override boolean userExists(Resource userId); @Override Optional<User> retrieveUser(String username); @Override void updateUser(User newUser); @Override void deleteUser(String username); @Override Set<Group> getGroups(); @Override Group createGroup(GroupConfig groupConfig); @Override void storeGroup(Group group); @Override boolean groupExists(String groupTitle); @Override boolean groupExists(Resource groupId); @Override Optional<Group> retrieveGroup(String groupTitle); @Override void updateGroup(Group newGroup); @Override void deleteGroup(String groupTitle); @Override Set<Role> getUserRoles(String username); @Override boolean checkPassword(String username, String password); @Override String getEngineName(); static final String ENGINE_NAME; }
@Test public void testUpdateGroup() { Group newGroup = groupFactory.createNew(VALUE_FACTORY.createIRI(groupId1)); engine.updateGroup(newGroup); Model groupModel = MODEL_FACTORY.createModel(); RepositoryConnection connection = repo.getConnection(); RepositoryResult<Statement> statements = connection.getStatements(VALUE_FACTORY.createIRI(groupId1), null, null); statements.forEach(groupModel::add); connection.close(); assertFalse(groupModel.isEmpty()); Optional<Group> optGroup = groupFactory.getExisting(VALUE_FACTORY.createIRI(groupId1), groupModel); assertTrue(optGroup.isPresent()); Group savedGroup = optGroup.get(); assertTrue(savedGroup.getMember().isEmpty()); }
@Test(expected = IllegalArgumentException.class) public void testUpdateGroupThatDoesNotExist() { Group newGroup = groupFactory.createNew(VALUE_FACTORY.createIRI("http: engine.updateGroup(newGroup); }