| /* |
| * 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.hadoop.fs.s3a.commit.staging; |
| |
| import java.util.Arrays; |
| import java.util.stream.Collectors; |
| |
| import org.junit.Test; |
| import org.mockito.Mockito; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.FileSystem; |
| import org.apache.hadoop.fs.PathExistsException; |
| import org.apache.hadoop.fs.s3a.S3AFileSystem; |
| import org.apache.hadoop.fs.s3a.commit.AbstractS3ACommitter; |
| import org.apache.hadoop.fs.s3a.commit.InternalCommitterConstants; |
| import org.apache.hadoop.fs.s3a.commit.impl.CommitContext; |
| import org.apache.hadoop.fs.s3a.commit.impl.CommitOperations; |
| import org.apache.hadoop.fs.statistics.IOStatisticsContext; |
| |
| import static org.apache.hadoop.fs.s3a.commit.CommitConstants.*; |
| import static org.apache.hadoop.fs.s3a.commit.staging.StagingTestBase.*; |
| import static org.apache.hadoop.test.LambdaTestUtils.intercept; |
| import static org.mockito.Mockito.*; |
| |
| /** Mocking test of directory committer. */ |
| public class TestStagingDirectoryOutputCommitter |
| extends StagingTestBase.JobCommitterTest<DirectoryStagingCommitter> { |
| |
| private static final Logger LOG = |
| LoggerFactory.getLogger(TestStagingDirectoryOutputCommitter.class); |
| |
| @Override |
| DirectoryStagingCommitter newJobCommitter() throws Exception { |
| return new DirectoryStagingCommitter(getOutputPath(), |
| createTaskAttemptForJob()); |
| } |
| |
| @Test |
| public void testBadConflictMode() throws Throwable { |
| getJob().getConfiguration().set( |
| FS_S3A_COMMITTER_STAGING_CONFLICT_MODE, "merge"); |
| intercept(IllegalArgumentException.class, |
| "MERGE", "committer conflict", |
| this::newJobCommitter); |
| } |
| |
| @Test |
| public void testDefaultConflictResolution() throws Exception { |
| getJob().getConfiguration().unset( |
| FS_S3A_COMMITTER_STAGING_CONFLICT_MODE); |
| pathIsDirectory(getMockS3A(), getOutputPath()); |
| verifyJobSetupAndCommit(); |
| } |
| |
| @Test |
| public void testFailConflictResolution() throws Exception { |
| getJob().getConfiguration().set( |
| FS_S3A_COMMITTER_STAGING_CONFLICT_MODE, CONFLICT_MODE_FAIL); |
| verifyFailureConflictOutcome(); |
| } |
| |
| protected void verifyFailureConflictOutcome() throws Exception { |
| final S3AFileSystem mockFS = getMockS3A(); |
| pathIsDirectory(mockFS, getOutputPath()); |
| final DirectoryStagingCommitter committer = newJobCommitter(); |
| |
| // this should fail |
| intercept(PathExistsException.class, |
| InternalCommitterConstants.E_DEST_EXISTS, |
| "Should throw an exception because the path exists", |
| () -> committer.setupJob(getJob())); |
| |
| // but there are no checks in job commit (HADOOP-15469) |
| // this is done by calling the preCommit method directly, |
| |
| final CommitContext commitContext = new CommitOperations(getWrapperFS()). |
| createCommitContext(getJob(), getOutputPath(), 0, |
| IOStatisticsContext.getCurrentIOStatisticsContext()); |
| committer.preCommitJob(commitContext, AbstractS3ACommitter.ActiveCommit.empty()); |
| |
| reset(mockFS); |
| pathDoesNotExist(mockFS, getOutputPath()); |
| |
| committer.setupJob(getJob()); |
| verifyExistenceChecked(mockFS, getOutputPath()); |
| verifyMkdirsInvoked(mockFS, getOutputPath()); |
| verifyNoMoreInteractions(mockFS); |
| |
| reset(mockFS); |
| pathDoesNotExist(mockFS, getOutputPath()); |
| committer.commitJob(getJob()); |
| verifyCompletion(mockFS); |
| } |
| |
| @Test |
| public void testAppendConflictResolution() throws Exception { |
| |
| getJob().getConfiguration().set( |
| FS_S3A_COMMITTER_STAGING_CONFLICT_MODE, CONFLICT_MODE_APPEND); |
| FileSystem mockS3 = getMockS3A(); |
| pathIsDirectory(mockS3, getOutputPath()); |
| verifyJobSetupAndCommit(); |
| } |
| |
| protected void verifyJobSetupAndCommit() |
| throws Exception { |
| final DirectoryStagingCommitter committer = newJobCommitter(); |
| |
| committer.setupJob(getJob()); |
| FileSystem mockS3 = getMockS3A(); |
| |
| Mockito.reset(mockS3); |
| pathExists(mockS3, getOutputPath()); |
| |
| committer.commitJob(getJob()); |
| verifyCompletion(mockS3); |
| } |
| |
| @Test |
| public void testReplaceConflictResolution() throws Exception { |
| FileSystem mockS3 = getMockS3A(); |
| |
| pathIsDirectory(mockS3, getOutputPath()); |
| |
| getJob().getConfiguration().set( |
| FS_S3A_COMMITTER_STAGING_CONFLICT_MODE, CONFLICT_MODE_REPLACE); |
| |
| final DirectoryStagingCommitter committer = newJobCommitter(); |
| |
| committer.setupJob(getJob()); |
| |
| Mockito.reset(mockS3); |
| pathExists(mockS3, getOutputPath()); |
| canDelete(mockS3, getOutputPath()); |
| |
| committer.commitJob(getJob()); |
| verifyDeleted(mockS3, getOutputPath()); |
| verifyCompletion(mockS3); |
| } |
| |
| @Test |
| public void testReplaceConflictFailsIfDestIsFile() throws Exception { |
| pathIsFile(getMockS3A(), getOutputPath()); |
| |
| getJob().getConfiguration().set( |
| FS_S3A_COMMITTER_STAGING_CONFLICT_MODE, CONFLICT_MODE_REPLACE); |
| |
| intercept(PathExistsException.class, |
| InternalCommitterConstants.E_DEST_EXISTS, |
| "Expected a PathExistsException as the destination" |
| + " was a file", |
| () -> { |
| newJobCommitter().setupJob(getJob()); |
| }); |
| } |
| |
| @Test |
| public void testAppendConflictFailsIfDestIsFile() throws Exception { |
| pathIsFile(getMockS3A(), getOutputPath()); |
| |
| getJob().getConfiguration().set( |
| FS_S3A_COMMITTER_STAGING_CONFLICT_MODE, CONFLICT_MODE_APPEND); |
| |
| intercept(PathExistsException.class, |
| InternalCommitterConstants.E_DEST_EXISTS, |
| "Expected a PathExistsException as a the destination" |
| + " is a file", |
| () -> { |
| newJobCommitter().setupJob(getJob()); |
| }); |
| } |
| |
| @Test |
| public void testValidateDefaultConflictMode() throws Throwable { |
| Configuration baseConf = new Configuration(true); |
| String[] sources = baseConf.getPropertySources( |
| FS_S3A_COMMITTER_STAGING_CONFLICT_MODE); |
| String sourceStr = Arrays.stream(sources) |
| .collect(Collectors.joining(",")); |
| LOG.info("source of conflict mode {}", sourceStr); |
| String baseConfVal = baseConf |
| .getTrimmed(FS_S3A_COMMITTER_STAGING_CONFLICT_MODE); |
| assertEquals("conflict mode in core config from " + sourceStr, |
| CONFLICT_MODE_APPEND, baseConfVal); |
| } |
| } |