[jira] [Updated] (DERBY-6642) Make the JUnit result set assertion methods dump the actual rs when assertion fails

["Dag H. Wanvik (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/DERBY-6642?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dag H. Wanvik updated DERBY-6642:
---------------------------------

    Attachment: derby-6642.diff

Attaching a patch that adds this functionality to org.apache.derbyTesting.junit.JDBC.

Running regression. I am also testing most of the assertion methods on result sets manually, to see if they do the job under the different failure scenarios. One concern is that some tests might assert on very large result sets and formatting those as part of the error message would fill up a lot of log space... If this turns out to be an issue, we can make opt-out versions.

> Make the JUnit result set assertion methods dump the actual rs when assertion fails
> -----------------------------------------------------------------------------------
>
>                 Key: DERBY-6642
>                 URL: https://issues.apache.org/jira/browse/DERBY-6642
>             Project: Derby
>          Issue Type: Improvement
>          Components: Test
>            Reporter: Dag H. Wanvik
>         Attachments: derby-6642.diff
>
>
> Often, when researching intermittent regression test errors, an assertion on a result set fails, but the error report only shows which column in which row first fails to meet expectations. It would be good if the assertion methods could dump the actual result set in such cases so we'd have more information to go on when trying to understand the cause of the problem.



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