I think this is definitely a path we should follow. (... the pun is in the "ah" of the beholder..... ;-) Especially the idea that each separate test/testsuite should have a well defined and controlled environment it should run in.
>>>>>>>>>>>> Daniel John Debrunner wrote (2006-06-01 09:14:04): > > A couple of days ago I downloaded the 10.2 snapshot onto a new machine > and set it up to run derbyall. I hit about 16 failures, some due to > DERBY-1362 and some due to classpath issues. > > Thinking about this I'm becoming somewhat concerned that the derbyall & > testing setup is forcing us to use a classpath setting that does not > reflect a typical user classpath, that is the classpath needs to have > every jar in it. This can lead to hidden dependencies, e.g. the embedded > engine derby.jar depends on classes in derbyclient.jar. One of my > beliefs is that the testing environment must match the user > environments. Testing in any other way means that it is somewhat likely > that a user finds a bug that should have been caught by functional testing. > > Thinking about it briefly, it seems there is a limited number of > recommended classpaths for Derby, actually seven, which are (in terms of > jar names): > > 1) derbyrun,jar > 2) derbyclient.jar > 3) derby.jar > 4) derbynet.jar > 5) derbyclient.jar + derbytools.jar > 6) derby.jar + derbytools.jar > 7) derbynet.jar + derbytools.jar > > [There are probably others, but these are the main ones] > > Could we have it set up so that each test selected its own classpath, > maybe based upon test type, or "logically" based upon a naming scheme > that allows future changes without modifying every test? > Could this be done in the Junit world? > > I believe then we would have a higher confidence level that an embedded > .java test is not requiring classes from derbynet.jar or derbytools.jar? > > Thoughts? > Dan. > > > > > -- Bernt Marius Johnsen, Database Technology Group, Staff Engineer, Technical Lead Derby/Java DB Sun Microsystems, Trondheim, Norway
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