-
Notifications
You must be signed in to change notification settings - Fork 3.7k
[fix][flaky-test] Fix ClassCastException: BrokerService cannot be cast to class PulsarResources #16821
New issue
Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.
By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.
Already on GitHub? Sign in to your account
Merged
codelipenghui
merged 4 commits into
apache:master
from
poorbarcode:fix/flacky/classCast
Jul 28, 2022
Merged
[fix][flaky-test] Fix ClassCastException: BrokerService cannot be cast to class PulsarResources #16821
Changes from all commits
Commits
Show all changes
4 commits
Select commit
Hold shift + click to select a range
File filter
Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
There are no files selected for viewing
75 changes: 75 additions & 0 deletions
75
pulsar-broker/src/test/java/org/apache/pulsar/broker/PulsarServiceMockSupport.java
This file contains hidden or 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 +1,75 @@ | ||
| /** | ||
| * 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.pulsar.broker; | ||
|
|
||
| import static org.mockito.Mockito.mock; | ||
| import java.util.concurrent.CompletableFuture; | ||
| import java.util.concurrent.ExecutionException; | ||
| import java.util.concurrent.TimeUnit; | ||
| import java.util.concurrent.TimeoutException; | ||
| import java.util.concurrent.atomic.AtomicInteger; | ||
| import lombok.extern.slf4j.Slf4j; | ||
| import org.apache.pulsar.metadata.api.extended.MetadataStoreExtended; | ||
| import org.apache.pulsar.metadata.impl.AbstractMetadataStore; | ||
| import org.apache.pulsar.metadata.impl.ZKMetadataStore; | ||
| import org.mockito.Mockito; | ||
| import org.testng.Assert; | ||
| import org.testng.annotations.Test; | ||
|
|
||
| @Slf4j | ||
| public class PulsarServiceMockSupport { | ||
|
|
||
| /** | ||
| * see: https://github.com/apache/pulsar/pull/16821. | ||
| * While executing "doReturn(pulsarResources).when(pulsar).getPulsarResources()", Meta Store Thread also accesses | ||
| * variable PulsarService.getPulsarResources() asynchronously in logic: "notification by zk-watcher". | ||
| * So execute mock-cmd in meta-thread (The executor of MetaStore is a single thread pool executor, so all things | ||
| * will be thread safety). | ||
| * Note: If the MetaStore's executor is no longer single-threaded, should mock as single-threaded if you need to | ||
| * execute this method. | ||
| */ | ||
| public static void mockPulsarServiceProps(final PulsarService pulsarService, Runnable mockTask) | ||
| throws ExecutionException, InterruptedException, TimeoutException { | ||
| final CompletableFuture<Void> mockGetPulsarResourceFuture = new CompletableFuture<>(); | ||
| MetadataStoreExtended metadataStoreExtended = pulsarService.getLocalMetadataStore(); | ||
| if (metadataStoreExtended instanceof AbstractMetadataStore){ | ||
| AbstractMetadataStore abstractMetadataStore = (AbstractMetadataStore) metadataStoreExtended; | ||
| abstractMetadataStore.execute(() -> { | ||
| mockTask.run(); | ||
| mockGetPulsarResourceFuture.complete(null); | ||
| }, mock(CompletableFuture.class)); | ||
| try { | ||
| mockGetPulsarResourceFuture.get(1, TimeUnit.SECONDS); | ||
| } catch (TimeoutException timeoutException){ | ||
| mockTask.run(); | ||
| } | ||
| } else { | ||
| mockTask.run(); | ||
| } | ||
| } | ||
|
|
||
| @Test | ||
| public void testMockMetaStore() throws Exception{ | ||
| AtomicInteger integer = new AtomicInteger(); | ||
| PulsarService pulsarService = Mockito.mock(PulsarService.class); | ||
| Mockito.when(pulsarService.getLocalMetadataStore()).thenReturn(Mockito.mock(ZKMetadataStore.class)); | ||
| mockPulsarServiceProps(pulsarService, () -> integer.incrementAndGet()); | ||
| Assert.assertEquals(integer.get(), 1); | ||
| } | ||
| } | ||
This file contains hidden or 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 hidden or 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 hidden or 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 hidden or 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 hidden or 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
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
Uh oh!
There was an error while loading. Please reload this page.