Can't use MRunit if Context and DistributedCache class is used in mapreduce job
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Key: MRUNIT-97
URL: https://issues.apache.org/jira/browse/MRUNIT-97
Project: MRUnit
Issue Type: Bug
Affects Versions: 0.8.0
Reporter: Ajay Srivastava
I believe that you can't test input split filename and distributed cache at the
moment.
If you could file a JIRA on https://issues.apache.org/jira/browse/MRUNIT, I'm
sure that someone would look on that sooner or later.
Jarcec
On Apr 11, 2012, at 7:53 AM, Ajay Srivastava wrote:
Hi,
I am planning to use mrunit in one of the projects and written some test cases.
These test cases run fine for simple map reduce jobs but give error for most of
the others.
For an example, in one of the map reduce job I have following code in setup
method of Mapper class.
context.getInputSplit()).getPath();
I get null pointer exception at above statement. Is there a way that I can set
this context in test code ? If not, how can this kind of mrjobs be tested.
Similarly we are using DistributedCache in some of our mr jobs. How can I test
such jobs? Is there a mockup available for DistributedCache class in mrunit.
Regards,
Ajay Srivastava
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