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https://issues.apache.org/jira/browse/HADOOP-5986?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12717166#action_12717166
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Nigel Daley commented on HADOOP-5986:
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Answers to questions in HADOOP-5987 and other user guide documentation will be
a good source from which to gather additional test cases.
> Add more unit test for HDFS symlinks
> ------------------------------------
>
> Key: HADOOP-5986
> URL: https://issues.apache.org/jira/browse/HADOOP-5986
> Project: Hadoop Core
> Issue Type: Sub-task
> Components: dfs
> Reporter: dhruba borthakur
> Assignee: Henry Robinson
>
> HADOOP-4044 introduces symbolic links in HDFS. That patch has some unit tests
> associated with it. The aim of this JIRA is to add more unit tests (including
> negative tests):
> deleting a symlink that points to a file
> deleting a symlink that points to a directory
> symlink to a symlink
> any test cases with relative links
> delete linked to file, but not link, access link
> delete linked to file, recreate the same file, access link
> links to other filesystems
> archives containing links
> rename a file to an existing symlink
> rename a symlink to an existing file
> setTimes and setReplication cases should check the result on both the symlink
> and linked to file
> tests involving lack of permissions to create symlinks
> tests that try to createSymlinks with filesystems that don't support them
> ...
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