Thanks a bunch David, I'll give that a try right away. I suppose I just didn't connect the dots in this case :)
On Mar 15, 8:23 pm, David Fuelling <[email protected]> wrote: > Testing your JPA isn't much different than testing the low-level > Datastore service. Just create a JUnit test-case and add a "helper" > object that gets initialized with every test, just like they show > here:https://code.google.com/appengine/docs/java/tools/localunittesting.ht... > > In your test code (or in a DAO, or wherever), do the following to get > ahold of the persistence manager: > > EMF.get().createEntityManager() > > The EMF class is detailed > here:https://code.google.com/appengine/docs/java/datastore/usingjpa.html#G... > > The magic glue that simulates the datastore in your JUnit test is what > happens in the JUnit's "setup" function where you call > "helper.setUp()". > > Hope that helps! > > david > > On Mar 13, 12:37 pm, hans <[email protected]> wrote: > > > Hi all, > > > I would like to test my JPA repository/dao components locally and I'm > > running into a dead end. I'm on SDK 1.3.1. > > > I have read the documentation > > athttp://code.google.com/appengine/docs/java/tools/localunittesting.html. > > > This documentation deals with how to get access to the lower level > > datastore API. I suppose I can compare that with a JDBC connection in > > a conventional application. What I don't understand is how to write a > > local unit test that talks to the JPA EntityManagerFactory. I found > > some useful blog postings (http://objectuser.wordpress.com/2009/08/02/ > > google-app-engine-testing-with-spring/) but it seems the API version > > used by the author of that posting is now outdated. > > > So my question is: how do I bridge the gap between the lower level > > datastore factory and my JPA DAO implementation, e.g. how do I > > configure JPA's EntityManagerFactory to use the local datastore > > environment when running tests? I am aware my EntityManagerFactory > > looks for persistence.xml on the classpath, which configures a > > org.datanucleus.store.appengine.jpa.DatastorePersistenceProvider, for > > which I can not find the javadoc anywhere. > > > Also, I found a posting on this > > group,http://groups.google.com/group/google-appengine-java/browse_thread/th.... > > > The solution there is to setup the environment *inside* the actual > > test implementation. That will make testing kind of troublesome, and > > it seems to use the ApiProxyLocalImpl that I can not get a hand of in > > the current SDK version. > > > A side note: considering the fact that the vast majority of people > > will be accessing the datastore through either JDO or JPA, shouldn't > > the testing documentation provide examples for that (instead of the > > lower level API which seems to me sort of a niche) > > > Regards, > > Hans -- You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=en.
