[jira] [Assigned] (HADOOP-14125) s3guard tool tests aren't isolated; can't run in parallel

["Steve Loughran (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HADOOP-14125?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Steve Loughran reassigned HADOOP-14125:
---------------------------------------

    Assignee: Sean Mackrory

Sean, I'm assigning to you so you can get more familiar with subtleties of the s3 test running. Sorry. 

There's now a [document on the details|https://github.com/apache/hadoop/blob/trunk/hadoop-tools/hadoop-aws/src/site/markdown/tools/hadoop-aws/testing.md]

> s3guard tool tests aren't isolated; can't run in parallel
> ---------------------------------------------------------
>
>                 Key: HADOOP-14125
>                 URL: https://issues.apache.org/jira/browse/HADOOP-14125
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: fs/s3, test
>    Affects Versions: HADOOP-13345
>            Reporter: Steve Loughran
>            Assignee: Sean Mackrory
>
> The {{S3GuardToolTestBase}} don't parallelize and break other tests. This can surface if you do a full run with -Ds3guard and -Ddynamo.
> # many of the test paths they create are being requested with absolute paths, e.g {{"/test-diff"}}.
> # the base class doesn't  set up a per-forked-JUnit-test runner path in the bucket
> # and there's no cleanup at the end of each test case; teardown() is empty.
> Ideally, the tests should be made child classes of  {{AbstractS3ATestBase}}, with its post-run cleanup, If that can't be done, then the tests must 
> # use {{S3ATestUtils.createTestPath(super.getTestPath())} to create the base test path
> # clean up that dir in teardown if the FS instance is non-null. {{ContractTestUtils.cleanup()}} can do this.
> If it happens that the tests cannot run in parallel with others, then the build must be changed to exclude them from the parallel test run phase & include them in the serialized section.



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