[HDFS-254] Add more unit test for HDFS symlinks

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.21.0
• Assignee: Eli Collins
• Reporter: Dhruba Borthakur
• Created: 06/Jun/09 07:45
• Updated: 14/Nov/10 07:44
• Resolved: 14/Nov/10 07:44

Description

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
...

Issue Links

• incorporates: HADOOP-6561 Add symlinks tests to TestFcLocalFsPermission
• incorporates: HDFS-971 Add symlink coverage to TestDFSPermission
• incorporates: HDFS-1088 Prevent renaming a symlink to its target
• incorporates: HADOOP-6563 Add more tests to FileContextSymlinkBaseTest that cover intermediate symlinks in paths