Yes .. karaf custom distro is a good solution.
You can test the distro with pax exam and also run the same artifact.
So it allows to test something that is really close to production

Christian



On 18.10.2016 16:34, 'Achim Nierbeck' via OPS4J wrote:
Hi,

there used to be the pax-runner doing exactly this, but as it's not used as the heart for Pax-Exam it only has frequent updates.
Never the less people still use it.
Another thing to use, is to run with a Karaf minimal distribution, or better a custom distribution which is basically a stripped down minimal Karaf distribution.
For example one could neglect shell, jaas and other things not needed.

Regards, Achim


2016-10-18 15:35 GMT+02:00 Christian Schneider <ch...@die-schneider.net <mailto:ch...@die-schneider.net>>:

    I am using something like this in an Aries RSA test where  I need
    a second container.
    
https://github.com/apache/aries-rsa/blob/master/itests/felix/src/test/java/org/apache/aries/rsa/itests/felix/TwoContainerPaxExam.java
    
<https://github.com/apache/aries-rsa/blob/master/itests/felix/src/test/java/org/apache/aries/rsa/itests/felix/TwoContainerPaxExam.java>

    ExamSystem testSystem =
    PaxExamRuntime.createTestSystem(remoteConfig());
    container = PaxExamRuntime.createContainer(testSystem);
    container.start();

    I am not sure how good pax exam actually would be to define a
    running system.
    An alternative you could look into is bndtools with the recent
    maven integration.
    See http://bndtools.org/

    It allows to define a running system using a backing index and
    requirements.

    I used this in CXF DOSGi to create a small example:
    https://github.com/apache/cxf-dosgi/blob/master/samples/soap/soap.bndrun
    <https://github.com/apache/cxf-dosgi/blob/master/samples/soap/soap.bndrun>

    The runbundles are automatically computed from the index and
    requirements. Using the Eclipse IDE extension it is quite easy to
    define and change such running configs.

    The CXF example above also has a maven plugin that does the build
    completely automated. The result is a runnable jar that you can
    start with java -jar.

    So as was discussed before on this list it would also be quite
    interesting to go the other way round and use bndtools bndrun
    files to define a pax exam test run. This is not done yet though.

    Christian


    On 18.10.2016 15:06, Nick Baker wrote:
    Hey All,

    I've come to enjoy writing integration tests with PAX-Exam!
    Thanks so much! Recently I had need to standup a lightweight
    embedded OSGI container. I've done this with bare OSGI Framework
    APIs in the past and started to do so again. It struck me that it
    would be so nice to provision this container using the PAX-Exam
    configuration options.

    Has there been any work done on adapting Exam as a Runner?

    -Nick
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