/*
* 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.flink.runtime.util;
import org.apache.flink.configuration.ConfigConstants;
import org.apache.flink.configuration.Configuration;
import org.apache.flink.configuration.HighAvailabilityOptions;
import org.apache.flink.util.TestLogger;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
public class ZooKeeperUtilTest extends TestLogger {
@Test
public void testZooKeeperEnsembleConnectStringConfiguration() throws Exception {
// ZooKeeper does not like whitespace in the quorum connect String.
String actual, expected;
Configuration conf = new Configuration();
{
expected = "localhost:2891";
setQuorum(conf, expected);
actual = ZooKeeperUtils.getZooKeeperEnsemble(conf);
assertEquals(expected, actual);
setQuorum(conf, " localhost:2891 "); // with leading and trailing whitespace
actual = ZooKeeperUtils.getZooKeeperEnsemble(conf);
assertEquals(expected, actual);
setQuorum(conf, "localhost :2891"); // whitespace after port
actual = ZooKeeperUtils.getZooKeeperEnsemble(conf);
assertEquals(expected, actual);
}
{
expected = "localhost:2891,localhost:2891";
setQuorum(conf, "localhost:2891,localhost:2891");
actual = ZooKeeperUtils.getZooKeeperEnsemble(conf);
assertEquals(expected, actual);
setQuorum(conf, "localhost:2891, localhost:2891");
actual = ZooKeeperUtils.getZooKeeperEnsemble(conf);
assertEquals(expected, actual);
setQuorum(conf, "localhost :2891, localhost:2891");
actual = ZooKeeperUtils.getZooKeeperEnsemble(conf);
assertEquals(expected, actual);
setQuorum(conf, " localhost:2891, localhost:2891 ");
actual = ZooKeeperUtils.getZooKeeperEnsemble(conf);
assertEquals(expected, actual);
}
}
private Configuration setQuorum(Configuration conf, String quorum) {
conf.setString(HighAvailabilityOptions.HA_ZOOKEEPER_QUORUM, quorum);
return conf;
}
}