Revert "HADOOP-16193. Add extra S3A MPU test to see what happens if a file is created during the MPU. Contributed by Steve Loughran"

This reverts commit 69ddb36876c0b3819e5409d83b27d18d1da89b22.

hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/contract/s3a/ITestS3AContractMultipartUploader.java

@@ -17,31 +17,20 @@
  */
 package org.apache.hadoop.fs.contract.s3a;
 
-import java.io.ByteArrayInputStream;
-import java.util.HashMap;
-import java.util.Map;
-
-import org.junit.Test;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import org.apache.hadoop.conf.Configuration;
-import org.apache.hadoop.fs.FileStatus;
-import org.apache.hadoop.fs.MultipartUploader;
-import org.apache.hadoop.fs.PartHandle;
 import org.apache.hadoop.fs.Path;
-import org.apache.hadoop.fs.UploadHandle;
 import org.apache.hadoop.fs.contract.AbstractFSContract;
 import org.apache.hadoop.fs.contract.AbstractContractMultipartUploaderTest;
 import org.apache.hadoop.fs.contract.ContractTestUtils;
 import org.apache.hadoop.fs.s3a.S3AFileSystem;
 import org.apache.hadoop.fs.s3a.WriteOperationHelper;
 
-import static org.apache.hadoop.fs.contract.ContractTestUtils.dataset;
 import static org.apache.hadoop.fs.s3a.S3ATestConstants.*;
 import static org.apache.hadoop.fs.s3a.S3ATestUtils.*;
 import static org.apache.hadoop.fs.s3a.scale.AbstractSTestS3AHugeFiles.DEFAULT_HUGE_PARTITION_SIZE;
-import static org.apache.hadoop.test.LambdaTestUtils.eventually;
 
 /**
  * Test MultipartUploader with S3A.
@@ -170,47 +159,4 @@ public class ITestS3AContractMultipartUploader extends
   public void testMultipartUploadReverseOrder() throws Exception {
     ContractTestUtils.skip("skipped for speed");
   }
-
-  /**
-   * This creates and then deletes a zero-byte file while an upload
-   * is in progress, and verifies that the uploaded file is ultimately
-   * visible.
-   */
-  @Test
-  public void testMultipartOverlapWithTransientFile() throws Throwable {
-    // until there's a way to explicitly ask for a multipart uploader from a
-    // specific FS, explicitly create one bonded to the raw FS.
-    describe("testMultipartOverlapWithTransientFile");
-    S3AFileSystem fs = getFileSystem();
-    Path path = path("testMultipartOverlapWithTransientFile");
-    fs.delete(path, true);
-    MultipartUploader mpu = mpu(1);
-    UploadHandle upload1 = mpu.initialize(path);
-    byte[] dataset = dataset(1024, '0', 10);
-    final Map<Integer, PartHandle> handles = new HashMap<>();
-    LOG.info("Uploading multipart entry");
-    PartHandle value = mpu.putPart(path, new ByteArrayInputStream(dataset), 1,
-        upload1,
-        dataset.length);
-    // upload 1K
-    handles.put(1, value);
-    // confirm the path is absent
-    ContractTestUtils.assertPathDoesNotExist(fs,
-        "path being uploaded", path);
-    // now create an empty file
-    ContractTestUtils.touch(fs, path);
-    final FileStatus touchStatus = fs.getFileStatus(path);
-    LOG.info("0-byte file has been created: {}", touchStatus);
-    fs.delete(path, false);
-    // now complete the upload
-    mpu.complete(path, handles, upload1);
-
-    // wait for the data to arrive
-    eventually(timeToBecomeConsistentMillis(), 500, () -> {
-      FileStatus mpuStatus = fs.getFileStatus(path);
-      assertTrue("File is empty in " + mpuStatus, mpuStatus.getLen() > 0);
-      return mpuStatus;
-    });
-
-  }
 }