content: /*
   * Copyright 1999-2023 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.core.service;
  
  import com.alibaba.nacos.api.common.Constants;
  import com.alibaba.nacos.api.exception.NacosException;
  import com.alibaba.nacos.api.exception.api.NacosApiException;
  import com.alibaba.nacos.common.utils.NamespaceUtil;
  import com.alibaba.nacos.core.namespace.injector.AbstractNamespaceDetailInjector;
  import com.alibaba.nacos.api.model.response.Namespace;
  import com.alibaba.nacos.core.namespace.model.NamespaceTypeEnum;
  import com.alibaba.nacos.core.namespace.model.TenantInfo;
  import com.alibaba.nacos.core.namespace.repository.NamespacePersistService;
  import org.junit.jupiter.api.AfterEach;
  import org.junit.jupiter.api.Assertions;
  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.MockedStatic;
  import org.mockito.junit.jupiter.MockitoExtension;
  
  import java.util.Collections;
  import java.util.List;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertThrows;
  import static org.junit.jupiter.api.Assertions.assertFalse;
  import static org.mockito.ArgumentMatchers.any;
  import static org.mockito.ArgumentMatchers.anyLong;
  import static org.mockito.ArgumentMatchers.anyString;
  import static org.mockito.ArgumentMatchers.eq;
  import static org.mockito.Mockito.verify;
  import static org.mockito.Mockito.when;
  import static org.mockito.Mockito.mockStatic;
  
  /**
   * NamespaceOperationServiceTest.
   *
   * @author dongyafei
   * @date 2022/8/16
   */
  @ExtendWith(MockitoExtension.class)
  class NamespaceOperationServiceTest {
      
      private static final String TEST_NAMESPACE_ID = "testId";
      
      private static final String TEST_NAMESPACE_NAME = "testName";
      
      private static final String TEST_NAMESPACE_DESC = "testDesc";
      
      private static final String DEFAULT_NAMESPACE_SHOW_NAME = "public";
      
      private static final String DEFAULT_NAMESPACE_DESCRIPTION = "Default Namespace";
      
      private static final int DEFAULT_QUOTA = 200;
      
      private static final String DEFAULT_KP = "1";
      
      private NamespaceOperationService namespaceOperationService;
      
      private MockNamespaceInjector injector;
      
      @Mock
      private NamespacePersistService namespacePersistService;
      
      @BeforeEach
      void setUp() throws Exception {
          injector = new MockNamespaceInjector();
          namespaceOperationService = new NamespaceOperationService(namespacePersistService);
      }
      
      @AfterEach
      void tearDown() {
          injector.doInjector = false;
      }
      
      @Test
      void testGetNamespaceList() {
          TenantInfo tenantInfo = new TenantInfo();
          tenantInfo.setTenantId(TEST_NAMESPACE_ID);
          tenantInfo.setTenantName(TEST_NAMESPACE_NAME);
          tenantInfo.setTenantDesc(TEST_NAMESPACE_DESC);
          when(namespacePersistService.findTenantByKp(DEFAULT_KP)).thenReturn(Collections.singletonList(tenantInfo));
          
          List<Namespace> list = namespaceOperationService.getNamespaceList();
          assertEquals(2, list.size());
          Namespace namespaceA = list.get(0);
          assertEquals(Constants.DEFAULT_NAMESPACE_ID, namespaceA.getNamespace());
          assertEquals(DEFAULT_NAMESPACE_SHOW_NAME, namespaceA.getNamespaceShowName());
          assertEquals(DEFAULT_NAMESPACE_DESCRIPTION, namespaceA.getNamespaceDesc());
          assertEquals(DEFAULT_QUOTA, namespaceA.getQuota());
          assertEquals(1, namespaceA.getConfigCount());
          
          Namespace namespaceB = list.get(1);
          assertEquals(TEST_NAMESPACE_ID, namespaceB.getNamespace());
          assertEquals(TEST_NAMESPACE_NAME, namespaceB.getNamespaceShowName());
          assertEquals(1, namespaceB.getConfigCount());
      }
      
      @Test
      void testGetNamespace() {
          assertThrows(NacosApiException.class, () -> {
              
              TenantInfo tenantInfo = new TenantInfo();
              tenantInfo.setTenantId(TEST_NAMESPACE_ID);
              tenantInfo.setTenantName(TEST_NAMESPACE_NAME);
              tenantInfo.setTenantDesc(TEST_NAMESPACE_DESC);
              when(namespacePersistService.findTenantByKp(DEFAULT_KP, TEST_NAMESPACE_ID)).thenReturn(tenantInfo);
              when(namespacePersistService.findTenantByKp(DEFAULT_KP, "test_not_exist_id")).thenReturn(null);
              Namespace namespaceAllInfo = new Namespace(TEST_NAMESPACE_ID, TEST_NAMESPACE_NAME, TEST_NAMESPACE_DESC,
                      DEFAULT_QUOTA, 1, NamespaceTypeEnum.GLOBAL.getType());
              Namespace namespace = namespaceOperationService.getNamespace(TEST_NAMESPACE_ID);
              assertEquals(namespaceAllInfo.getNamespace(), namespace.getNamespace());
              assertEquals(namespaceAllInfo.getNamespaceShowName(), namespace.getNamespaceShowName());
              assertEquals(namespaceAllInfo.getNamespaceDesc(), namespace.getNamespaceDesc());
              assertEquals(namespaceAllInfo.getQuota(), namespace.getQuota());
              assertEquals(namespaceAllInfo.getConfigCount(), namespace.getConfigCount());
              
              namespaceOperationService.getNamespace("test_not_exist_id");
              
          });
          
      }
      
      @Test
      void testCreateNamespace() throws NacosException {
          when(namespacePersistService.tenantInfoCountByTenantId(anyString())).thenReturn(0);
          namespaceOperationService.createNamespace(TEST_NAMESPACE_ID, TEST_NAMESPACE_NAME, TEST_NAMESPACE_DESC);
          verify(namespacePersistService).insertTenantInfoAtomic(eq(DEFAULT_KP), eq(TEST_NAMESPACE_ID),
                  eq(TEST_NAMESPACE_NAME), eq(TEST_NAMESPACE_DESC), any(), anyLong());
      }
      
      @Test
      void testCreateNamespaceForDefaultNamespace() throws NacosException {
          assertThrows(NacosApiException.class,
                  () -> namespaceOperationService.createNamespace(NamespaceUtil.getNamespaceDefaultId(),
                          TEST_NAMESPACE_NAME, TEST_NAMESPACE_DESC));
      }
      
      @Test
      void testEditNamespace() {
          namespaceOperationService.editNamespace(TEST_NAMESPACE_ID, TEST_NAMESPACE_NAME, TEST_NAMESPACE_DESC);
          verify(namespacePersistService).updateTenantNameAtomic(DEFAULT_KP, TEST_NAMESPACE_ID, TEST_NAMESPACE_NAME,
                  TEST_NAMESPACE_DESC);
      }
      
      @Test
      void testRemoveNamespace() {
          namespaceOperationService.removeNamespace(TEST_NAMESPACE_ID);
          verify(namespacePersistService).removeTenantInfoAtomic(DEFAULT_KP, TEST_NAMESPACE_ID);
      }
  
      @Test
      void testNamespaceExistValidationWithException() {
  
          String namespaceId = "test-namespace";
  
          // 模拟底层持久层查询时抛出异常（如数据库连接失败）
          when(namespacePersistService.tenantInfoCountByTenantId(namespaceId))
                  .thenThrow(new RuntimeException("Database connection lost"));
  
          // Act
          boolean result = namespaceOperationService.namespaceExists(namespaceId);
  
          // Assert
          // 根据方法实现，异常被捕获，应返回 false
          assertFalse(result, "namespaceExists should return false when database query fails");
      }
  
      @Test
      void testNamespaceExistValidationWithDefaultNamespace() {
          // 测试默认命名空间
          String namespaceId = NamespaceUtil.getNamespaceDefaultId();
          // 执行
          boolean result = namespaceOperationService.namespaceExists(namespaceId);
          // 验证
          Assertions.assertTrue(result, "namespaceExists should return true for default namespace");
      }
  
      @Test
      void testNamespaceExistValidationWithoutDefaultNamespaceButExist() {
          try (MockedStatic<NamespaceUtil> mockedUtil = mockStatic(NamespaceUtil.class)) {
  
              // 设置 mock 行为
              mockedUtil.when(() -> NamespaceUtil.isDefaultNamespaceId("test-namespace"))
                      .thenReturn(false);
  
              // mock 其他依赖
              when(namespacePersistService.tenantInfoCountByTenantId("test-namespace")).thenReturn(1);
  
              // 执行
              boolean result = namespaceOperationService.namespaceExists("test-namespace");
  
              // 验证
              Assertions.assertTrue(result);
          }
      }
  
      private static class MockNamespaceInjector extends AbstractNamespaceDetailInjector {
          
          private boolean doInjector = true;
          
          @Override
          public void injectDetail(Namespace namespace) {
              if (doInjector) {
                  namespace.setConfigCount(1);
              }
          }
      }
  }
  