GitHub user felixcheung opened a pull request:
https://github.com/apache/spark/pull/15576
[WIP][SPARK-17674][SPARKR] check for warning in test output
## What changes were proposed in this pull request?
testthat library we are using for testing R is redirecting warning (and
disabling `options("warn" = 2)`, we need to have a way to detect any new
warning and fail
## How was this patch tested?
manual testing, Jenkins
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/felixcheung/spark rtestwarning
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/15576.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #15576
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commit 5185a37d6b2d2b5ac930cc506dcde4b1cd744b57
Author: Felix Cheung <[email protected]>
Date: 2016-10-21T00:24:38Z
check for warning in test output
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