[jira] [Commented] (ARROW-9104) [C++] Parquet encryption tests should write files to a temporary directory instead of the testing submodule's directory

["Antoine Pitrou (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ARROW-9104?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17191817#comment-17191817 ] 

Antoine Pitrou commented on ARROW-9104:
---------------------------------------

@gershinsky Could you take a look at this? (and make sure further tests don't repeat the same mistake)

> [C++] Parquet encryption tests should write files to a temporary directory instead of the testing submodule's directory
> -----------------------------------------------------------------------------------------------------------------------
>
>                 Key: ARROW-9104
>                 URL: https://issues.apache.org/jira/browse/ARROW-9104
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: C++
>            Reporter: Krisztian Szucs
>            Assignee: Gidon Gershinsky
>            Priority: Major
>             Fix For: 2.0.0
>
>
> If the source directory is not writable the test raises permission denied error:
> [ RUN      ] TestEncryptionConfiguration.UniformEncryption
> 1632
> unknown file: Failure
> 1633
> C++ exception with description "IOError: Failed to open local file '/arrow/cpp/submodules/parquet-testing/data/tmp_uniform_encryption.parquet.encrypted'. Detail: [errno 13] Permission denied" thrown in the test body.



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