Chris Douglas created MAPREDUCE-7013:
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Summary: Tests of internal logic should not use the local FS as
scratch space
Key: MAPREDUCE-7013
URL: https://issues.apache.org/jira/browse/MAPREDUCE-7013
Project: Hadoop Map/Reduce
Issue Type: Test
Reporter: Chris Douglas
MapReduce often manipulates files/permissions to ensure splits, dependencies,
and other user data are consistently managed. Unit tests of these internal
methods sometimes set up temporary hierarchies in a scratch directory on the
local FS to exercise these modules. However, dev environment quirks (e.g.,
umask) can cause these tests to fail spuriously. Instead, this logic should be
validated by mocking the filesystem.
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