forked from apache/flink
-
Notifications
You must be signed in to change notification settings - Fork 0
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
[FLINK-22893][zookeeper] Replace NodeCache with TreeCache
- Loading branch information
Showing
4 changed files
with
244 additions
and
30 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
158 changes: 158 additions & 0 deletions
158
flink-runtime/src/test/java/org/apache/flink/runtime/util/ZooKeeperUtilsTreeCacheTest.java
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,158 @@ | ||
| /* | ||
| * 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.Configuration; | ||
| import org.apache.flink.configuration.HighAvailabilityOptions; | ||
| import org.apache.flink.core.testutils.FlinkMatchers; | ||
| import org.apache.flink.util.TestLogger; | ||
|
|
||
| import org.apache.flink.shaded.curator4.org.apache.curator.framework.CuratorFramework; | ||
| import org.apache.flink.shaded.curator4.org.apache.curator.framework.recipes.cache.TreeCache; | ||
| import org.apache.flink.shaded.curator4.org.apache.curator.framework.recipes.cache.TreeCacheEvent; | ||
| import org.apache.flink.shaded.curator4.org.apache.curator.framework.recipes.cache.TreeCacheListener; | ||
| import org.apache.flink.shaded.guava18.com.google.common.io.Closer; | ||
|
|
||
| import org.apache.curator.test.TestingServer; | ||
| import org.junit.After; | ||
| import org.junit.Before; | ||
| import org.junit.Test; | ||
|
|
||
| import java.time.Duration; | ||
| import java.util.concurrent.CompletableFuture; | ||
| import java.util.concurrent.atomic.AtomicReference; | ||
|
|
||
| import static org.hamcrest.MatcherAssert.assertThat; | ||
|
|
||
| /** | ||
| * Tests for {@link ZooKeeperUtils#createTreeCache(CuratorFramework, String, | ||
| * org.apache.flink.util.function.RunnableWithException)}. | ||
| */ | ||
| public class ZooKeeperUtilsTreeCacheTest extends TestLogger { | ||
|
|
||
| private static final String PARENT_PATH = "/foo"; | ||
| private static final String CHILD_PATH = PARENT_PATH + "/bar"; | ||
|
|
||
| private Closer closer; | ||
| private CuratorFramework client; | ||
|
|
||
| private final AtomicReference<CompletableFuture<Void>> callbackFutureReference = | ||
| new AtomicReference<>(); | ||
|
|
||
| @Before | ||
| public void setUp() throws Exception { | ||
| closer = Closer.create(); | ||
| final TestingServer testingServer = closer.register(new TestingServer()); | ||
|
|
||
| Configuration configuration = new Configuration(); | ||
| configuration.set( | ||
| HighAvailabilityOptions.HA_ZOOKEEPER_QUORUM, testingServer.getConnectString()); | ||
|
|
||
| client = closer.register(ZooKeeperUtils.startCuratorFramework(configuration)); | ||
| client = closer.register(ZooKeeperUtils.startCuratorFramework(configuration)); | ||
| final TreeCache cache = | ||
| closer.register( | ||
| ZooKeeperUtils.createTreeCache( | ||
| client, | ||
| CHILD_PATH, | ||
| () -> callbackFutureReference.get().complete(null))); | ||
| cache.start(); | ||
| } | ||
|
|
||
| @After | ||
| public void tearDown() throws Exception { | ||
| closer.close(); | ||
| callbackFutureReference.set(null); | ||
| } | ||
|
|
||
| @Test | ||
| public void testCallbackCalledOnNodeCreation() throws Exception { | ||
| client.create().forPath(PARENT_PATH); | ||
| callbackFutureReference.set(new CompletableFuture<>()); | ||
| client.create().forPath(CHILD_PATH); | ||
| callbackFutureReference.get().get(); | ||
| } | ||
|
|
||
| @Test | ||
| public void testCallbackCalledOnNodeModification() throws Exception { | ||
| testCallbackCalledOnNodeCreation(); | ||
|
|
||
| callbackFutureReference.set(new CompletableFuture<>()); | ||
| client.setData().forPath(CHILD_PATH, new byte[1]); | ||
| callbackFutureReference.get().get(); | ||
| } | ||
|
|
||
| @Test | ||
| public void testCallbackCalledOnNodeDeletion() throws Exception { | ||
| testCallbackCalledOnNodeCreation(); | ||
|
|
||
| callbackFutureReference.set(new CompletableFuture<>()); | ||
| client.delete().forPath(CHILD_PATH); | ||
| callbackFutureReference.get().get(); | ||
| } | ||
|
|
||
| @Test | ||
| public void testCallbackNotCalledOnCreationOfParents() throws Exception { | ||
| callbackFutureReference.set(new CompletableFuture<>()); | ||
| client.create().forPath(PARENT_PATH); | ||
| assertThat( | ||
| callbackFutureReference.get(), | ||
| FlinkMatchers.willNotComplete(Duration.ofMillis(20))); | ||
| } | ||
|
|
||
| @Test | ||
| public void testCallbackNotCalledOnCreationOfChildren() throws Exception { | ||
| testCallbackCalledOnNodeCreation(); | ||
|
|
||
| callbackFutureReference.set(new CompletableFuture<>()); | ||
| client.create().forPath(CHILD_PATH + "/baz"); | ||
| assertThat( | ||
| callbackFutureReference.get(), | ||
| FlinkMatchers.willNotComplete(Duration.ofMillis(20))); | ||
| } | ||
|
|
||
| @Test | ||
| public void testCallbackNotCalledOnCreationOfSimilarPaths() throws Exception { | ||
| callbackFutureReference.set(new CompletableFuture<>()); | ||
| client.create() | ||
| .creatingParentContainersIfNeeded() | ||
| .forPath(CHILD_PATH.substring(0, CHILD_PATH.length() - 1)); | ||
| assertThat( | ||
| callbackFutureReference.get(), | ||
| FlinkMatchers.willNotComplete(Duration.ofMillis(20))); | ||
| } | ||
|
|
||
| @Test | ||
| public void testCallbackNotCalledOnConnectionOrInitializationEvents() throws Exception { | ||
| final TreeCacheListener treeCacheListener = | ||
| ZooKeeperUtils.createTreeCacheListener( | ||
| () -> { | ||
| throw new AssertionError("Should not be called."); | ||
| }); | ||
|
|
||
| treeCacheListener.childEvent( | ||
| client, new TreeCacheEvent(TreeCacheEvent.Type.INITIALIZED, null)); | ||
| treeCacheListener.childEvent( | ||
| client, new TreeCacheEvent(TreeCacheEvent.Type.CONNECTION_RECONNECTED, null)); | ||
| treeCacheListener.childEvent( | ||
| client, new TreeCacheEvent(TreeCacheEvent.Type.CONNECTION_LOST, null)); | ||
| treeCacheListener.childEvent( | ||
| client, new TreeCacheEvent(TreeCacheEvent.Type.CONNECTION_SUSPENDED, null)); | ||
| } | ||
| } |