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https://issues.apache.org/jira/browse/HDFS-10965?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15563889#comment-15563889
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Mingliang Liu commented on HDFS-10965:
--------------------------------------
{code}
384 /* init reused vars */
385 List<String> outs = null;
386 int ret;
387
388 /**
389 * test normal run
390 */
{code}
No reuse found. Make them final.
{code}
400 assertEquals(
401 "three lines per Datanode: the 1st line is rack info, 2nd
node info,"
402 + " 3rd empty line.",
403 12, outs.size());
{code}
"There should be three lines per Datanode: the 1st line ...."
12 -> 3 * numDn
Otherwise +1 pending on Jenkins.
> Add unit test for HDFS command 'dfsadmin -printTopology'
> --------------------------------------------------------
>
> Key: HDFS-10965
> URL: https://issues.apache.org/jira/browse/HDFS-10965
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: fs, shell, test
> Reporter: Xiaobing Zhou
> Assignee: Xiaobing Zhou
> Attachments: HDFS-10965.000.patch, HDFS-10965.001.patch,
> HDFS-10965.002.patch, HDFS-10965.003.patch, HDFS-10965.004.patch
>
>
> DFSAdmin#printTopology should also be tested. This proposes adding it in
> TestDFSAdmin.
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