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https://issues.apache.org/jira/browse/YARN-10327?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17144914#comment-17144914
 ] 

Hudáky Márton Gyula edited comment on YARN-10327 at 6/25/20, 1:36 PM:
----------------------------------------------------------------------

The removed test case looks like this:
YarnClient mockYarnClient = createMockYarnClient(
    YarnApplicationState.FINISHED,
    UserGroupInformation.getCurrentUser().getShortUserName());
LogsCLI cli = new LogsCLIForTest(mockYarnClient);
cli.setConf(conf);int exitCode = cli.run( new String[] \{ "-applicationId", 
"not_an_app_id"});
assertTrue(exitCode == -1);
assertTrue(sysErrStream.toString().startsWith("Invalid ApplicationId 
specified"));
There is another test case in testLogsCLIWithInvalidArgs() testing the same 
failure:
YarnClient mockYarnClient =
    createMockYarnClient(YarnApplicationState.FINISHED,
    UserGroupInformation.getCurrentUser().getShortUserName());
LogsCLI cli = new LogsCLIForTest(mockYarnClient);
cli.setConf(conf);// Specify an invalid applicationId
int exitCode = cli.run(new String[] {"-applicationId",
    "123"});
assertTrue(exitCode == -1);
assertTrue(sysErrStream.toString().contains(
    "Invalid ApplicationId specified"));
 


was (Author: mhudaky):
The removed test case looks like this:
YarnClient mockYarnClient = createMockYarnClient(
    YarnApplicationState.FINISHED,
    UserGroupInformation.getCurrentUser().getShortUserName());
LogsCLI cli = new LogsCLIForTest(mockYarnClient);
cli.setConf(conf);int exitCode = cli.run( new String[] \{ "-applicationId", 
"not_an_app_id"});
assertTrue(exitCode == -1);
assertTrue(sysErrStream.toString().startsWith("Invalid ApplicationId 
specified"));

This one is testing the very same error in testLogsCLIWithInvalidArgs() 
function and it is not removed:
YarnClient mockYarnClient =
    createMockYarnClient(YarnApplicationState.FINISHED,
    UserGroupInformation.getCurrentUser().getShortUserName());
LogsCLI cli = new LogsCLIForTest(mockYarnClient);
cli.setConf(conf);// Specify an invalid applicationId
int exitCode = cli.run(new String[] {"-applicationId",
    "123"});
assertTrue(exitCode == -1);
assertTrue(sysErrStream.toString().contains(
    "Invalid ApplicationId specified"));

> Remove duplication of checking for invalid application ID in TestLogsCLI
> ------------------------------------------------------------------------
>
>                 Key: YARN-10327
>                 URL: https://issues.apache.org/jira/browse/YARN-10327
>             Project: Hadoop YARN
>          Issue Type: Test
>            Reporter: Hudáky Márton Gyula
>            Assignee: Hudáky Márton Gyula
>            Priority: Trivial
>         Attachments: YARN-10327.001.patch
>
>
> TestLogsCLI has a separate function to test for invalid application ID 
> (#testInvalidApplicationId) and another (#testLogsCLIWithInvalidArgs) to test 
> multiple invalid arguments (including application ID). One of them should be 
> eliminated.



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