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.persistence.datasource;
  
  import com.alibaba.nacos.api.exception.runtime.NacosRuntimeException;
  import com.alibaba.nacos.persistence.configuration.DatasourceConfiguration;
  import com.alibaba.nacos.sys.env.EnvUtil;
  import com.zaxxer.hikari.HikariDataSource;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  import org.junit.jupiter.api.extension.ExtendWith;
  import org.mockito.InjectMocks;
  import org.mockito.Mock;
  import org.mockito.junit.jupiter.MockitoExtension;
  import org.springframework.jdbc.core.JdbcTemplate;
  import org.springframework.mock.env.MockEnvironment;
  import org.springframework.test.util.ReflectionTestUtils;
  import org.springframework.transaction.support.TransactionTemplate;
  
  import javax.sql.DataSource;
  import java.sql.SQLException;
  import java.util.concurrent.Callable;
  
  import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  import static org.junit.jupiter.api.Assertions.assertThrows;
  import static org.junit.jupiter.api.Assertions.assertThrowsExactly;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  import static org.mockito.Mockito.mock;
  import static org.mockito.Mockito.verify;
  import static org.mockito.Mockito.when;
  
  @ExtendWith(MockitoExtension.class)
  class LocalDataSourceServiceImplTest {
      
      @InjectMocks
      private LocalDataSourceServiceImpl service;
      
      @Mock
      private JdbcTemplate jt;
      
      @Mock
      private TransactionTemplate tjt;
      
      @BeforeEach
      void setUp() {
          DatasourceConfiguration.setUseExternalDb(false);
          service = new LocalDataSourceServiceImpl();
          ReflectionTestUtils.setField(service, "jt", jt);
          ReflectionTestUtils.setField(service, "tjt", tjt);
      }
      
      @Test
      void testInitWhenUseExternalDB() throws Exception {
          try {
              DatasourceConfiguration.setUseExternalDb(true);
              EnvUtil.setEnvironment(null);
              LocalDataSourceServiceImpl service1 = new LocalDataSourceServiceImpl();
              assertDoesNotThrow(service1::init);
          } finally {
              DatasourceConfiguration.setUseExternalDb(false);
          }
      }
      
      @Test
      void testInit() throws Exception {
          try {
              EnvUtil.setEnvironment(new MockEnvironment());
              LocalDataSourceServiceImpl service1 = new LocalDataSourceServiceImpl();
              assertDoesNotThrow(service1::init);
              assertNotNull(service1.getJdbcTemplate());
              assertNotNull(service1.getTransactionTemplate());
              assertEquals("derby", service1.getDataSourceType());
          } finally {
              EnvUtil.setEnvironment(null);
          }
      }
      
      @Test
      void testReloadWithNullDatasource() {
          assertThrowsExactly(RuntimeException.class, service::reload, "datasource is null");
      }
      
      @Test
      void testReloadWithException() throws SQLException {
          DataSource ds = mock(DataSource.class);
          when(jt.getDataSource()).thenReturn(ds);
          when(ds.getConnection()).thenThrow(new SQLException());
          assertThrows(NacosRuntimeException.class, service::reload);
      }
      
      @Test
      void testCleanAndReopen() throws Exception {
          try {
              EnvUtil.setEnvironment(new MockEnvironment());
              LocalDataSourceServiceImpl service1 = new LocalDataSourceServiceImpl();
              assertDoesNotThrow(service1::init);
              assertDoesNotThrow(service1::cleanAndReopenDerby);
          } finally {
              EnvUtil.setEnvironment(null);
          }
      }
      
      @Test
      void testRestoreDerby() throws Exception {
          try {
              EnvUtil.setEnvironment(new MockEnvironment());
              LocalDataSourceServiceImpl service1 = new LocalDataSourceServiceImpl();
              assertDoesNotThrow(service1::init);
              Callable callback = mock(Callable.class);
              assertDoesNotThrow(() -> service1.restoreDerby(service1.getCurrentDbUrl(), callback));
              verify(callback).call();
          } finally {
              EnvUtil.setEnvironment(null);
          }
      }
      
      @Test
      void testGetDataSource() {
          HikariDataSource dataSource = new HikariDataSource();
          dataSource.setJdbcUrl("test.jdbc.url");
          when(jt.getDataSource()).thenReturn(dataSource);
          assertEquals(dataSource.getJdbcUrl(), ((HikariDataSource) service.getDatasource()).getJdbcUrl());
      }
      
      @Test
      void testCheckMasterWritable() {
          assertTrue(service.checkMasterWritable());
      }
      
      @Test
      void testSetAndGetHealth() {
          service.setHealthStatus("DOWN");
          assertEquals("DOWN", service.getHealth());
          
          service.setHealthStatus("UP");
          assertEquals("UP", service.getHealth());
      }
  }
  