content: /*
   * Copyright 2022 The FeatHub Authors
   *
   * 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
   *
   *     https://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 org.apache.flink.streaming.connectors.redis;
  
  import org.apache.flink.test.util.AbstractTestBase;
  import org.apache.flink.util.NetUtils;
  
  import org.junit.AfterClass;
  import org.junit.BeforeClass;
  import redis.embedded.RedisServer;
  
  import java.io.IOException;
  
  import static org.apache.flink.util.NetUtils.getAvailablePort;
  
  /** Base class for Redis connector tests that use a standalone Redis cluster. */
  public abstract class RedisITCaseBase extends AbstractTestBase {
      protected static final String REDIS_HOST = "127.0.0.1";
  
      protected static NetUtils.Port redisPort;
  
      private static RedisServer redisServer;
  
      @BeforeClass
      public static void createRedisServer() throws IOException {
          redisPort = getAvailablePort();
          redisServer = new RedisServer(redisPort.getPort());
          redisServer.start();
      }
  
      @AfterClass
      public static void stopRedisServer() throws Exception {
          redisServer.stop();
          redisPort.close();
      }
  }
  