[GitHub] flink pull request #6148: [FLINK-7554][Tests] Add a testing RuntimeContext t...

[buptljy <gi...@git.apache.org>]

GitHub user buptljy opened a pull request:

    https://github.com/apache/flink/pull/6148

    [FLINK-7554][Tests] Add a testing RuntimeContext to test utilities

    ## What is the purpose of the change
    This pull request adds a TestingRuntimeContext to help developers test their own user-defined functions like CoprocessFunction instead of testing the whole pipeline.
    
    ## Brief change log
     - TestingRuntimeContext can be directly used in unit testing of both dataset functions and datastream functions, including the support of broadcastVariable, state, accumulator and so on.
     - Documents are written in udf_test, including examples of Java and Scala.
    
    ## Verifying this change
    
     - This change has already been verified in new unit testing files in test directory, org.apache.flink.streaming.api.functions.test.TestingRuntimeContextTest and org.apache.flink.streaming.api.functions.test.TestingRuntimeContextTest.
    
    ## Documentation
    
      - This pull request is a new feature.
      - Related documents are written in docs directory.


You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/buptljy/flink 7554

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/flink/pull/6148.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 #6148
    
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commit 8535b22a7cf1545381bcd7b5febc0d4763f925aa
Author: wind <bu...@...>
Date:   2018-06-11T12:40:19Z

    add TestingRuntimeContext

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