Lots of times when a test runs it seems like the ports are already
bound.  Anybody else see this?  Is this the cause of the intermittent
failures you see?


On Wed, Jul 30, 2008 at 12:32 PM, Patrick Hunt <[EMAIL PROTECTED]> wrote:
> I'm soliciting ideas on how to improve the reliability and usability
> (creating new tests in particular) of our current test harness.
> Hudson and some users are seeing intermittent failures, primarily due to
> timing related issue in test setup; the test starts a server, runs some
> tests, then shuts down the server, loop to the next test. There is some code
> in ClientBase that's supposed to provide a latch for the server startup, but
> we also have a number of "sleeps" in the test setup, without which the tests
> fail more frequently (so something is still busted). In particular I want to
> make it easier to write server tests and to remove the need for sleeps as
> this causes the unit tests to run slowly.
> Additionally we are seeing a need to tests clients in addition to the server
> (much of our current testing is related to verifying the correct function of
> the zk server). In this case we are not currently able to test any client
> failure handling cases (such as disconnect handling) as we are running
> against a fully functional zk server.
> I'm thinking we should do two things:
> 1) create a better test harness for the server
> 2) implement a mock ZooKeeper.java that has similar semantics as zk server
> proper but has the capability to inject/reproduce/verify various error
> scenarios for client testing.
> If you have any ideas/suggestions/comments/etc.. or would like to work
> on/with please let me know.
> Patrick


Blog: http://hiramchirino.com

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