[GitHub] [hadoop] steveloughran commented on a change in pull request #1840: HADOOP-16853. ITestS3GuardOutOfBandOperations failing on versioned S3 buckets

[GitBox <gi...@apache.org>]

steveloughran commented on a change in pull request #1840: HADOOP-16853. ITestS3GuardOutOfBandOperations failing on versioned S3 buckets
URL: https://github.com/apache/hadoop/pull/1840#discussion_r380811287
 
 

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 File path: hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/s3a/ITestS3GuardOutOfBandOperations.java
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 @@ -969,16 +970,42 @@ private void deleteFileInListing()
       deleteFile(rawFS, testFilePath);
 
       // File status will be still readable from s3guard
-      FileStatus status = guardedFs.getFileStatus(testFilePath);
+      S3AFileStatus status = (S3AFileStatus)
+          guardedFs.getFileStatus(testFilePath);
       LOG.info("authoritative: {} status: {}", allowAuthoritative, status);
-      expectExceptionWhenReading(testFilePath, text);
-      expectExceptionWhenReadingOpenFileAPI(testFilePath, text, null);
-      expectExceptionWhenReadingOpenFileAPI(testFilePath, text, status);
+      if (isVersionedChangeDetection() && status.getVersionId() != null) {
+        // when the status entry has a version ID, then that may be used
+        // when opening the file on what is clearly a versioned store.
+        int length = text.length();
+        byte[] bytes = readOpenFileAPI(guardedFs, testFilePath, length, null);
+        Assertions.assertThat(toChar(bytes))
+            .describedAs("openFile(%s)", testFilePath)
+            .isEqualTo(text);
+        // reading the rawFS with status will also work.
+        bytes = readOpenFileAPI(rawFS, testFilePath, length, status);
 
 Review comment:
   `bytes = readOpenFileAPI(rawFS, testFilePath, length, null)` should fail; no status coming in, will add the check
   

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