Github user HuangWHWHW commented on the pull request:
https://github.com/apache/flink/pull/1073#issuecomment-136694516
@StephanEwen
Hi, I take changes for all of your comments but this following:
"The mock print stream overwrites only one println() function, which makes
it susceptible to changes in the sink. It is better to use a regular
PrintStream that prints to a StringWriter to collect all contents."
I have no ideas to assert the print is correct.
So can you tell me in detail?
Thank you very much!
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