Jianfei Jiang created HDFS-13001:
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Summary: Testcase improvement for DFSAdmin
Key: HDFS-13001
URL: https://issues.apache.org/jira/browse/HDFS-13001
Project: Hadoop HDFS
Issue Type: Sub-task
Affects Versions: 3.0.0, 2.9.0
Reporter: Jianfei Jiang
Assignee: Jianfei Jiang
Priority: Minor
Testcase improvement for DFSAdmin command. The commands should be tested under
following environments:
(1) Both Namenode are up online
(2) NN1 is off offline and NN2 is up online
(3) NN1 is up online and NN2 is down offline
(4) Both Namenode are down offline
The testcases can be improved.
Testcases can be improved like code below.
{code:java}
private void testExecuteDFSAdminCommand(int nnIndex, String[] command,
String message) throws Exception {
setUpHaCluster(false);
switch (nnIndex) {
case 0:
cluster.getDfsCluster().shutdownNameNode(0);
cluster.getDfsCluster().transitionToActive(1);
break;
case 1:
cluster.getDfsCluster().shutdownNameNode(1);
cluster.getDfsCluster().transitionToActive(0);
break;
case 2:
cluster.getDfsCluster().shutdownNameNode(0);
cluster.getDfsCluster().shutdownNameNode(1);
break;
default:
}
int exitCode = admin.run(command);
if (nnIndex != 2) {
assertEquals(err.toString().trim(), 0, exitCode);
assertOutputMatches(message + newLine);
} else {
assertNotEquals(err.toString().trim(), 0, exitCode);
assertOutputNotMatches(message + newLine);
}
}
{code}
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