[HUDI-1418] Set up flink client unit test infra #2281
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| Original file line number | Diff line number | Diff line change |
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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. | ||
| */ | ||
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| package org.apache.hudi.testutils; | ||
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| import org.apache.hudi.common.fs.FSUtils; | ||
| import org.apache.hudi.common.model.HoodieRecord; | ||
| import org.apache.hudi.common.model.HoodieTableType; | ||
| import org.apache.hudi.common.table.HoodieTableMetaClient; | ||
| import org.apache.hudi.common.testutils.HoodieCommonTestHarness; | ||
| import org.apache.hudi.common.testutils.HoodieTestUtils; | ||
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| import org.apache.flink.runtime.testutils.MiniClusterResourceConfiguration; | ||
| import org.apache.flink.streaming.api.functions.sink.SinkFunction; | ||
| import org.apache.flink.test.util.MiniClusterWithClientResource; | ||
| import org.apache.hadoop.conf.Configuration; | ||
| import org.apache.hadoop.fs.FileSystem; | ||
| import org.apache.hadoop.fs.LocalFileSystem; | ||
| import org.apache.log4j.LogManager; | ||
| import org.apache.log4j.Logger; | ||
| import org.junit.jupiter.api.BeforeEach; | ||
| import org.junit.jupiter.api.TestInfo; | ||
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| import java.io.IOException; | ||
| import java.io.Serializable; | ||
| import java.util.ArrayList; | ||
| import java.util.List; | ||
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| public class HoodieFlinkClientTestHarness extends HoodieCommonTestHarness implements Serializable { | ||
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| protected static final Logger LOG = LogManager.getLogger(HoodieFlinkClientTestHarness.class); | ||
|
Contributor
There was a problem hiding this comment. It would be better to split the non-static and static fields, moreover, it is a logger. |
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| private String testMethodName; | ||
| protected transient Configuration hadoopConf = null; | ||
| protected transient FileSystem fs; | ||
| protected transient MiniClusterWithClientResource flinkCluster = null; | ||
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| @BeforeEach | ||
| public void setTestMethodName(TestInfo testInfo) { | ||
| if (testInfo.getTestMethod().isPresent()) { | ||
| testMethodName = testInfo.getTestMethod().get().getName(); | ||
| } else { | ||
| testMethodName = "Unknown"; | ||
| } | ||
| } | ||
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| protected void initFlinkMiniCluster() { | ||
| flinkCluster = new MiniClusterWithClientResource( | ||
| new MiniClusterResourceConfiguration.Builder() | ||
| .setNumberSlotsPerTaskManager(2) | ||
| .setNumberTaskManagers(1) | ||
| .build()); | ||
| } | ||
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| protected void initFileSystem() { | ||
| hadoopConf = new Configuration(); | ||
| initFileSystemWithConfiguration(hadoopConf); | ||
| } | ||
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| private void initFileSystemWithConfiguration(Configuration configuration) { | ||
| if (basePath == null) { | ||
| throw new IllegalStateException("The base path has not been initialized."); | ||
| } | ||
| fs = FSUtils.getFs(basePath, configuration); | ||
| if (fs instanceof LocalFileSystem) { | ||
| LocalFileSystem lfs = (LocalFileSystem) fs; | ||
| // With LocalFileSystem, with checksum disabled, fs.open() returns an inputStream which is FSInputStream | ||
| // This causes ClassCastExceptions in LogRecordScanner (and potentially other places) calling fs.open | ||
| // So, for the tests, we enforce checksum verification to circumvent the problem | ||
| lfs.setVerifyChecksum(true); | ||
| } | ||
| } | ||
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| /** | ||
| * Initializes an instance of {@link HoodieTableMetaClient} with a special table type specified by | ||
| * {@code getTableType()}. | ||
| * | ||
| * @throws IOException | ||
| */ | ||
| protected void initMetaClient() throws IOException { | ||
| initMetaClient(getTableType()); | ||
| } | ||
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| protected void initMetaClient(HoodieTableType tableType) throws IOException { | ||
| if (basePath == null) { | ||
| throw new IllegalStateException("The base path has not been initialized."); | ||
| } | ||
| metaClient = HoodieTestUtils.init(hadoopConf, basePath, tableType); | ||
| } | ||
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| /** | ||
| * Cleanups file system. | ||
| * | ||
| * @throws IOException | ||
| */ | ||
| protected void cleanupFileSystem() throws IOException { | ||
| if (fs != null) { | ||
| LOG.warn("Closing file-system instance used in previous test-run"); | ||
| fs.close(); | ||
| fs = null; | ||
| } | ||
| } | ||
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| protected void cleanupFlinkMiniCluster() { | ||
| if (flinkCluster != null) { | ||
| flinkCluster.after(); | ||
| flinkCluster = null; | ||
| } | ||
| } | ||
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| public static class SimpleTestSinkFunction implements SinkFunction<HoodieRecord> { | ||
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| // must be static | ||
| public static List<HoodieRecord> valuesList = new ArrayList<>(); | ||
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| @Override | ||
| public synchronized void invoke(HoodieRecord value, Context context) throws Exception { | ||
| valuesList.add(value); | ||
| } | ||
| } | ||
| } | ||
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This line is too long, it would be better if we could break it. But it does not matter, let's refactor it next time.