Andrey Klochkov created HADOOP-8930:
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Summary: Cumulative code coverage calculation
Key: HADOOP-8930
URL: https://issues.apache.org/jira/browse/HADOOP-8930
Project: Hadoop Common
Issue Type: Improvement
Components: test
Affects Versions: 2.0.2-alpha, 0.23.3
Reporter: Andrey Klochkov
Assignee: Andrey Klochkov
When analyzing code coverage in Hadoop Core, we noticed that some coverage gaps
are caused by the way the coverage calculation is done currently. More
specifically, right now coverage can not be calculated for the whole Core at
once, but can only be calculated separately for top level modules like
common-project, hadoop-hdfs-project etc.
At the same time, some code in particular modules is tested by tests in other
modules of Core. For example, "org.apache.hadoop.fs" from
hadoop-common-project/hadoop-common is not covered there but it's covered by
tests under hadoop-hdfs-project.
To enable calculation of "cumulative" code coverage it's needed to move Clover
profile definition up one level, from hadoop-project/pom.xml to the top level
pom.xml (hadoop-main).
Patch both for 0.23 and 2.x will be attached shortly.
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