hsyuan commented on a change in pull request #1591: [CALCITE-3510] Implement Redis adapter URL: https://github.com/apache/calcite/pull/1591#discussion_r353977593
########## File path: redis/src/test/java/org/apache/calcite/adapter/redis/RedisITCaseBase.java ########## @@ -0,0 +1,77 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to you 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 org.apache.calcite.adapter.redis; + +import org.junit.AfterClass; +import org.junit.BeforeClass; + +import java.io.IOException; +import java.net.ServerSocket; + +import redis.embedded.RedisServer; + +/** + * RedisITCaseBase. + */ +public abstract class RedisITCaseBase { + + public static final int PORT = getAvailablePort(); + public static final String HOST = "127.0.0.1"; + private static final String MAX_HEAP = "maxheap 51200000"; + + private static RedisServer redisServer; + + @BeforeClass + public static void createRedisServer() throws IOException { + if (isWindows()) { + redisServer = RedisServer.builder().port(PORT).setting(MAX_HEAP).build(); + } else { + redisServer = new RedisServer(PORT); + } + redisServer.start(); + } + + private static boolean isWindows() { + return System.getProperty("os.name").startsWith("Windows"); + } + + @AfterClass + public static void stopRedisServer() { + redisServer.stop(); + } + + /** + * Find a non-occupied port. + * + * @return A non-occupied port. + */ + public static int getAvailablePort() { + for (int i = 0; i < 50; i++) { + try (ServerSocket serverSocket = new ServerSocket(0)) { + int port = serverSocket.getLocalPort(); + if (port != 0) { + return port; + } + } catch (IOException ignored) { + } + } + + throw new RuntimeException("Could not find a free permitted port on the machine."); Review comment: an available port on the host. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected] With regards, Apache Git Services
