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From "Jon Skeet" <Jon.Sk...@clearswift.com>
Subject The good ol' JUnit problem
Date Fri, 28 Oct 2005 08:50:51 GMT
Currently, our build uses a modified distribution of Ant - all the
optional libraries we need are bundled into the lib directory. We use a
similarly modified version of Eclipse (i.e. the Ant part has the same
changes made).

Needless to say, this is somewhat suboptimal. I want to move to a system
where we can change versions of Ant and Eclipse easily, without having
to perform the modifications again. With imports, this isn't too hard
(because I can have our own "lib" directory with a taskdefs.xml project
which can be imported from any build which needs them). I believe this
should solve our problems for everything *except* for Junit.

None of the solutions in the FAQ seem very satisfactory to me,
unfortunately - they're not upgrade-friendly. Here are my ideas:

1) Copy the JUnit jar file into ant/lib if it's not there already, and
document the fact that tests won't work first time.
2) Remove ant-junit.jar from ant/lib if it's there, and document the
fact that tests won't work the first time.
3) Tell everyone to have an ANT_OPTS environment variable of "-lib xxx"

Again, none of these are terribly appealing, but at least they don't
require changing stock installations beyond what is possible within a
build file itself. Of course, they *do* require knowing where the
ant/lib directory is - is there a recommended way of knowing that?

Possibly modifying the stock Ant just to remove ant-junit.jar is the way
forward. (I prefer this to adding the junit jar file to ant/lib, as that
makes it harder to change versions of Junit.)

For Eclipse, I can modify our "template workspace" to give Ant an extra
global entry to the JUnit jar file. That shouldn't be too bad.
 
Jon Skeet
Senior Software Engineer
CLEARSWIFT
The MIMEsweeper Company

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