content: /*
   * Copyright 1999-2025 Alibaba Group Holding Ltd.
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package com.alibaba.nacos.plugin.auth.impl.users;
  
  import com.alibaba.nacos.plugin.auth.impl.configuration.AuthConfigs;
  import com.alibaba.nacos.plugin.auth.impl.persistence.UserPersistService;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  import org.junit.jupiter.api.extension.ExtendWith;
  import org.mockito.Mock;
  import org.mockito.junit.jupiter.MockitoExtension;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertThrows;
  import static org.mockito.ArgumentMatchers.anyString;
  import static org.mockito.Mockito.never;
  import static org.mockito.Mockito.verify;
  
  /**
   * NacosUserServiceDirectImplTest.
   *
   * @author FangYuan on: 2025-07-24 16:00:47
   */
  @ExtendWith(MockitoExtension.class)
  class NacosUserServiceDirectImplTest {
      
      @Mock
      private AuthConfigs authConfigs;
      
      @Mock
      private UserPersistService userPersistService;
      
      private NacosUserServiceDirectImpl nacosUserService;
      
      @BeforeEach
      void setUp() {
          nacosUserService = new NacosUserServiceDirectImpl(authConfigs, userPersistService);
      }
      
      @Test
      void testCreateUserWithBlankUsername() {
          String blankUsername = "";
          String password = "testPassword";
          
          IllegalArgumentException exception = assertThrows(IllegalArgumentException.class,
                  () -> nacosUserService.createUser(blankUsername, password));
          
          assertEquals("username is blank", exception.getMessage());
          verify(userPersistService, never()).createUser(anyString(), anyString());
      }
      
      @Test
      void testCreateUserWithBlankPassword() {
          String username = "testUser";
          String blankPassword = "";
          
          IllegalArgumentException exception = assertThrows(IllegalArgumentException.class,
                  () -> nacosUserService.createUser(username, blankPassword));
          
          assertEquals("password is blank", exception.getMessage());
          verify(userPersistService, never()).createUser(anyString(), anyString());
      }
  }
  