Ok its not clear what the problem you facing is - but if your trying to run the job then the commandLineJobRunner does all the hardwork,
More
here
If your just tetsing (Say
Junit) the @SpringRunner all with JobLauncherTestUtils takes care of all the plumbing code.
End To End Testing
In all the Batch Jobs I have written I never reference JobRepository - There enough help to do all the plumbing!
As for a 3-4 page guide to Spring Batch - I agree its a good idea. So why don't you start one? You already seem to have a 'nice' start up guide post
here where you kind of gone through the steps!
I do suggest giving the whole Spring Batch documentation a read, it does cover everything.