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/*
* 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.zookeeper.compatibility;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.TimeUnit;
import org.apache.curator.framework.CuratorFramework;
import org.apache.curator.framework.CuratorFrameworkFactory;
import org.apache.curator.framework.recipes.cache.CuratorCache;
import org.apache.curator.retry.RetryOneTime;
import org.apache.curator.test.TestingServer;
import org.junit.Test;
/**
* Make sure minimal Apache Curator APIs work correctly. As it's a widely used ZooKeeper
* client library we should not break it.
*/
public class TestApacheCuratorCompatibility {
private static final int TIMEOUT_MS = 5000;
@Test
public void testBasicUsageOfApisAndRecipes() throws Exception {
try (TestingServer server = new TestingServer()) {
RetryOneTime retryPolicy = new RetryOneTime(1);
try (CuratorFramework client = CuratorFrameworkFactory.newClient(server.getConnectString(), retryPolicy)) {
try (CuratorCache cache = CuratorCache.build(client, "/base/path")) {
client.start();
cache.start();
BlockingQueue<String> paths = new LinkedBlockingQueue<>();
cache.listenable().addListener((dummy1, dummy2, data) -> paths.add(data.getPath()));
client.create().creatingParentsIfNeeded().forPath("/base/path/1");
client.create().creatingParentsIfNeeded().forPath("/base/path/2");
client.create().creatingParentsIfNeeded().forPath("/base/path/1/a");
client.create().creatingParentsIfNeeded().forPath("/base/path/2/a");
assertEquals("/base/path", poll(paths));
assertEquals("/base/path/1", poll(paths));
assertEquals("/base/path/2", poll(paths));
assertEquals("/base/path/1/a", poll(paths));
assertEquals("/base/path/2/a", poll(paths));
}
}
}
}
private static String poll(BlockingQueue<String> queue) {
try {
String value = queue.poll(TIMEOUT_MS, TimeUnit.MILLISECONDS);
assertNotNull("Event poll timed out", value);
return value;
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
throw new RuntimeException(e);
}
}
}
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