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https://issues.apache.org/jira/browse/PIG-1899?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alan Gates updated PIG-1899:
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Attachment: PIG-1899.patch
Added UDFs for use with the test harness that were left out in the first patch.
> Pig needs a tool for doing end to end testing efficiently
> ---------------------------------------------------------
>
> Key: PIG-1899
> URL: https://issues.apache.org/jira/browse/PIG-1899
> Project: Pig
> Issue Type: Test
> Components: tools
> Reporter: Alan Gates
> Assignee: Alan Gates
> Attachments: PIG-1899.patch, e2e.patch
>
>
> Pig currently uses junit for all testing. junit is good for unit tests, but
> limited for end to end and integration testing.
> Building an end to end test in junit is cumbersome (a lot of setup and such
> to do using MiniCluster). Given that expected results must be known
> beforehand and hand crafted they must be kept very small, usually ten or less
> rows. This does not lead to realistic testing scenarios.
> A test tool is needed that allows the test developer to write a Pig Latin
> script and specify a source of truth against which to test the results of
> running this Pig Latin script. A database or a previous version of Pig can
> then be used as that source of truth. This will allow developers to quickly
> add new tests that return more than trivial results.
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