That's some weird stuff - I've never seen a test take anywhere near
that long (run single or not) - on my machine there are a couple that
take a minute at most, but the majority are sub second to a couple
seconds.
- Mark
http://www.lucidimagination.com (mobile)
On Sep 4, 2009, at 1:35 PM, Chris Harris <[email protected]> wrote:
I gather that you can run the tests from a single test class by
specifying that class's name like so:
ant test -Dtestcase=ShingleFilterTest
This saves time over doing "ant test" without the testcase argument,
but it's still not at all fast on my machine. To be more specific, I
tried the following:
* download a fresh Lucene r811157
* run "ant test -Dtestcase=ShingleFilterTest" a first time, to make
sure everything required to run this test gets built
* run "ant test -Dtestcase=ShingleFilterTest" a second time, to see
how long running the single test takes once everything is built
This second invocation to ant took 7 minutes, 8 seconds for ant to
finish. Most of the time was obviously not spent running the
ShingleFilterTest itself. According to the
TEST-org.apache.lucene.analysis.shingle.ShingleFilterTest.xml output
file, running that particular class took only
time="0.578"
which I assume is in seconds. So the great bulk of the "ant test"
seems to be spent in various ant housecleaning tasks, trying to verify
that everything is indeed built, and/or looking for test classes that
might match the name "ShingleFilterTest".
I tried running
ant test-contrib -Dtestcase=ShingleFilterTest
to see if limiting to contrib would be any faster. That came back in 5
minutes, 27 seconds. Which is better, but still in the same ballpark.
Is this the sort of time other people see when running a single test
through ant? What alternatives are there if you want to be able to run
a given test really fast -- say, after a 10 second delay, rather than
a 5 minute delay? Does this become trivial once you set up Lucene
properly in an IDE? Any quick command-line techniques?
Thanks,
Chris
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