thanks, I'l; have a look. I've always wanted to add the notion of skipped
to test runs -all the way through to the XML and generated reports, but
you'd have to do a new junit runner for this and tweak the reporting code.
Which, if it involved going near maven source, is not something I am
prepared to do

On 14 December 2012 18:57, Colin McCabe <cmcc...@alumni.cmu.edu> wrote:

> One approach we've taken in the past is making the junit test skip
> itself when some precondition is not true.  Then, we often create a
> property which people can use to cause the skipped tests to become a
> hard error.
>
> For example, all the tests that rely on libhadoop start with these lines:
>
> > @Test
> > public void myTest() {
> >    Assume.assumeTrue(NativeCodeLoader.isNativeCodeLoaded());
> >   ...
> > }
>
> This causes them to be silently skipped when libhadoop.so is not
> available or loaded (perhaps because it hasn't been built.)
>
> However, if you want to cause this to be a hard error, you simply run
> > mvn test -Drequire.test.libhadoop
>
> See TestHdfsNativeCodeLoader.java to see how this is implemented.
>
> The main idea is that your Jenkins build slaves use all the -Drequire
> lines, but people running tests locally are not inconvenienced by the
> need to build libhadoop.so in every case.  This is especially good
> because libhadoop.so isn't known to build on certain platforms like
> AIX, etc.  It seems to be a good tradeoff so far.  I imagine that s3
> could do something similar.
>
> cheers,
> Colin
>
>
> On Fri, Dec 14, 2012 at 9:56 AM, Steve Loughran <ste...@hortonworks.com>
> wrote:
> > The swiftfs tests need only to run if there's a target filesystem;
> copying
> > the s3/s3n tests, something like
> >
> >   <property>
> >     <name>test.fs.swift.name</name>
> >     <value>swift://your-object-store-herel/</value>
> >   </property>
> >
> > How does one actually go about making junit tests optional in mvn-land?
> > Should the probe/skip logic be in the code -which can make people think
> the
> > test passed when it didn't actually run? Or can I turn it on/off in
> maven?
> >
> > -steve
>

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