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https://issues.apache.org/jira/browse/MRUNIT-31?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13142497#comment-13142497
]
Brock Noland commented on MRUNIT-31:
------------------------------------
If we used a mock library we would just mock Mapper.Context (and reducer) in
both cases?
{code}
@SuppressWarnings({ "unchecked", "rawtypes" })
public static <KEYIN, VALUEIN, KEYOUT, VALUEOUT> Mapper<KEYIN, VALUEIN,
KEYOUT, VALUEOUT>.Context
create(final List<Pair<KEYIN, VALUEIN>> in, final Counters counters,
Configuration conf) {
Class<org.apache.hadoop.mapreduce.Mapper.Context> mapContext =
org.apache.hadoop.mapreduce.Mapper.Context.class;
Mapper<KEYIN, VALUEIN, KEYOUT, VALUEOUT>.Context context = (Mapper.Context)
mock(mapContext);
when(context.getCounter((Enum)any())).thenAnswer(new Answer<Counter>() {
@Override
public Counter answer(InvocationOnMock invocation) {
Object[] args = invocation.getArguments();
// should use guava preconditions
return counters.findCounter((Enum)args[0]);
}
});
return context;
}
{code}
> Support Hadoop 0.22 and 0.23
> ----------------------------
>
> Key: MRUNIT-31
> URL: https://issues.apache.org/jira/browse/MRUNIT-31
> Project: MRUnit
> Issue Type: Improvement
> Reporter: Tom White
> Attachments: MRUNIT-31.patch, MRUNIT-31.patch
>
>
> The new MapReduce API changed in 0.21 (MAPREDUCE-954) in such a way as to
> break MRUnit.
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