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https://issues.apache.org/jira/browse/LUCENE-2598?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12901966#action_12901966
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Shai Erera commented on LUCENE-2598:
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Not sure if it's interesting and/or related to this issue, but we've run into a
bug in our code (not Lucene's that is) when the index was located on read-only
file system. To simulate the bug in a JUnit test we wrote a ReadOnlyDirectory
which throws exceptions on its 'write' methods.
Do you think there are tests that are worth running w/ such a Directory impl?
It might be that it's meaningful in the context of our tests only ...
> allow tests to use different Directory impls
> --------------------------------------------
>
> Key: LUCENE-2598
> URL: https://issues.apache.org/jira/browse/LUCENE-2598
> Project: Lucene - Java
> Issue Type: Test
> Components: Build
> Affects Versions: 3.1, 4.0
> Reporter: Robert Muir
> Assignee: Robert Muir
> Fix For: 3.1, 4.0
>
> Attachments: LUCENE-2598.patch, LUCENE-2598.patch, LUCENE-2598.patch,
> LUCENE-2598.patch, LUCENE-2598.patch, LUCENE-2598.patch, LUCENE-2598.patch
>
>
> Now that all tests use MockRAMDirectory instead of RAMDirectory, they are all
> picky like windows and force our tests to
> close readers etc before closing the directory.
> I think we should do the following:
> # change new MockRAMDIrectory() in tests to .newDirectory(random)
> # LuceneTestCase[J4] tracks if all dirs are closed at tearDown and also
> cleans up temp dirs like solr.
> # factor out the Mockish stuff from MockRAMDirectory into MockDirectoryWrapper
> # allow a -Dtests.directoryImpl or simpler to specify the default Directory
> to use for tests: default being "random"
> i think theres a chance we might find some bugs that havent yet surfaced
> because they are easier to trigger with FSDir
> Furthermore, this would be beneficial to Directory-implementors as they could
> run the entire testsuite against their Directory impl, just like
> codec-implementors can do now.
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