[jira] [Created] (FLINK-7827) creating and starting a NetCat in test cases programmatically

["bluejoe (JIRA)" <ji...@apache.org>]

bluejoe created FLINK-7827:
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             Summary: creating and starting a NetCat in test cases programmatically
                 Key: FLINK-7827
                 URL: https://issues.apache.org/jira/browse/FLINK-7827
             Project: Flink
          Issue Type: Improvement
          Components: DataStream API
            Reporter: bluejoe


hi, all
I have written a MockNetCat class, which help developers start a netcat programmatically, instead of manually launching
{{nc -lk 9999}}
command for test
also I completed a MockNetCatTest class, a JUnit 4 test case which test MockNetCat
use of MockNetCat is very simple, like:
{{var nc: MockNetCat = MockNetCat.start(9999);}}
this starts a NetCat server, and data can be generated using following code:
{{nc.writeData("hello\r\nworld\r\nbye\r\nworld\r\n");}}



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