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https://issues.apache.org/jira/browse/FLINK-2032?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16498511#comment-16498511
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Deepak Sharma commented on FLINK-2032:
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Hi [~NicoK],
Is this issue still valid? I would like to take this up. Can the jira be
assigned to me?
Thanks,
Deepak
> Migrate integration tests from temp output files to collect()
> -------------------------------------------------------------
>
> Key: FLINK-2032
> URL: https://issues.apache.org/jira/browse/FLINK-2032
> Project: Flink
> Issue Type: Task
> Components: Tests
> Affects Versions: 0.9
> Reporter: Fabian Hueske
> Assignee: Pattarawat Chormai
> Priority: Minor
> Labels: starter
>
> Most of Flink's integration tests that execute full Flink programs and check
> their results are implemented by writing results to temporary output file and
> comparing the content of the file to a provided set of expected Strings.
> Flink's test utils make this quite comfortable and hide a lot of the
> complexity of this approach. Nonetheless, this approach has a few drawbacks:
> - increased latency by going through disk
> - comparison is on String representation of objects
> - depends on the file system
> Since Flink's {{collect()}} feature was added, the temp file approach is not
> the best approach anymore. Instead, tests can collect the result of a Flink
> program directly as objects and compare these against a set of expected
> objects.
> It would be good to migrate the existing test base to use {{collect()}}
> instead of temporary output files.
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