Pig needs a tool for doing end to end testing efficiently
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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
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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