Steven Rowe created LUCENE-4045:
-----------------------------------
Summary: Switch Maven test runner from maven-surefire-plugin to
com.carrotsearch.randomizedtesting:junit4-maven-plugin
Key: LUCENE-4045
URL: https://issues.apache.org/jira/browse/LUCENE-4045
Project: Lucene - Java
Issue Type: Improvement
Components: general/test
Affects Versions: 4.0
Reporter: Steven Rowe
Priority: Minor
{{com.carrotsearch.randomizedtesting:junit4-maven-plugin}} can be used to run
all Lucene/Solr tests under Maven, providing faster execution through load
balancing, along with all the other goodies CS.RT brings. (Not to mention it
would make testing under Maven much more like testing under Ant.)
>From [a post Dawid Weiss made on the maven-dev mailing list in
>January|http://mail-archives.apache.org/mod_mbox/maven-dev/201201.mbox/%3ccam21rt8kdxowwmy3uq+fqvn979fq3mbm_gveqwoh226mh_z...@mail.gmail.com%3E]:
{quote}
http://labs.carrotsearch.com/randomizedtesting.html
[...]
Load balancing is just part of what the project is about [...]
Maven integration can be seen as an integration test (with scarce documentation
yet) here:
https://github.com/carrotsearch/randomizedtesting/blob/master/integration-maven/junit4-maven-plugin-tests/src/it/01-basic-test/pom.xml
I've used it in another project, so a cleaner example of use from within a POM
is here (you should disable surefire or your tests will run twice):
https://github.com/carrotsearch/hppc/blob/master/hppc-core/pom.xml#L217
{quote}
And from [a post Dawid made to the lucene-dev mailing list in
April|http://mail-archives.apache.org/mod_mbox/lucene-dev/201204.mbox/%3CCAM21Rt-Rc_Z6X04fznvsbK-d8APiUuYCMC-kvg7i=hzthaq...@mail.gmail.com%3E]:
{quote}
I didn't mention it but there is actually an equivalent of <junit4> task as a
maven plugin... it basically redirects to the ant-plugin but has a maven-like
facade for passing the basic set of properties. I don't think it makes such a
big difference for maven build - we can stick to surefire. Let me know if you'd
like to try that other plugin though -- an example of a maven pom using it is
here:
https://github.com/carrotsearch/randomizedtesting/blob/master/examples/maven/pom.xml
{quote}
The CS.RT maven plugin requires Maven v3.0.2+; I asked Dawid whether Maven
2.2.1 could be supported, and in private emails to me, he replied:
{quote}
I looked at it but it seems I need to stick to Maven 3 -- there are APIs for
filtering artefacts that seem to be available in 3.x only (copied and pasted
from surefire and maven core). If you want to dig the code is on github, I
won't have the time to look into it in the near future (first short vacation,
then a backlog of crap to deal with).
{quote}
{quote}
I admit I don't have enough Maven powers to actually think of a way to use
either surefire or another plugin (depending on a sysproperty or something).
This could be a fallback for folks who really need maven 2.x.
{quote}
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