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From "Kristian Waagan (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DERBY-5475) Formalize use of old Derby distributions in tests
Date Mon, 31 Oct 2011 13:29:33 GMT

     [ https://issues.apache.org/jira/browse/DERBY-5475?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Kristian Waagan updated DERBY-5475:
-----------------------------------

    Attachment: derby-5475-1b-DerbyVersion.diff

Attaching patch 1b, which makes DerbyVersion use the Utilities.split method instead of String.split
(JSR169 limitation). Added a test case for the parseVersionString method.

Committed patch 1b to trunk with revision 1195449.
I will incorporate any after-commit comments in coming patches (there is no code using these
classes yet).
                
> Formalize use of old Derby distributions in tests
> -------------------------------------------------
>
>                 Key: DERBY-5475
>                 URL: https://issues.apache.org/jira/browse/DERBY-5475
>             Project: Derby
>          Issue Type: Improvement
>          Components: Test
>    Affects Versions: 10.9.0.0
>            Reporter: Kristian Waagan
>            Assignee: Kristian Waagan
>            Priority: Minor
>         Attachments: derby-5475-1a-DerbyVersion.diff, derby-5475-1b-DerbyVersion.diff
>
>
> Some types of tests need old Derby distributions to perform the required actions. Currently
this includes the upgrade test and the compatibility test.
> Instead of each test dealing with this in their own way, there should be support for
accessing old Derby distributions in the test framework.
> I propose to add a Derby distribution repository in the test framework, with the following
guidelines and changes:
>  o keep it as simple as possible, which suggests it is the users responsibility to keep
the repository updated
>  o compatibility with the existing derbyTesting.oldReleasePath property
>  o make the tests requiring old distributions fail if there are no distributions available
>  o establish a default location where the test framework will look for old distributions
if derbyTesting.oldReleasePath is unspecified
>  o the repository should not incur any costs when not used by the test(s) being run
> In favor of simplicity the repository will not download releases itself. The user has
to keep the repository contents up-to-date, which is as simple as running 'svn up' each time
a new Derby release is published. It is unclear if, and what, the repository and/or relevant
tests should do if the repository is outdated. It seems useful to allow the user to make available
only a subset of the distributions, but maybe printing a warning is helpful to remind developers
that their repository is stale.
> Another related issue, which will only be relevant some time in the future, is whether
a test framework of version X should make available distributions of version X+n. Currently
I'm leaning towards not doing that, but haven't really looked into it.
> See also thread on derby-dev: http://db.markmail.org/thread/44uyusa726cwjuk2

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