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From "Stepan Mishura" <stepan.mish...@gmail.com>
Subject Re: [test] Jetty integration progress ? (was Re: [classlib] jetty based tests)
Date Tue, 08 Aug 2006 02:07:00 GMT
On 8/8/06, Andrew Zhang wrote:
>
> Alexei, sorry for my late reply.
>
> It seems a big problem to me. :) I haven't find any solution yet.
> Futhurmore, ftp server also needs to be substituted. Do you have any
> suggestions?
>
> Anyway, let's start from http server -- jetty. :) Any committers would
> like
> to integrate jetty to Harmony? Thanks!


Patches are welcome. :-)

Thanks,
Stepan.

On 8/1/06, Alexei Zakharov <alexei.zakharov@gmail.com> wrote:
> >
> > Hi Andrew,
> >
> > > I volunteer to work on excluded tests in luni module, most of which
> are
> > > dependent on external servers(http server, socks proxy and etc.).
> >
> > Great news - go ahead! :)
> > What are you going to use as a substitute for the remote socks proxy?
> >
> > Regards,
> >
> > 2006/8/1, Andrew Zhang <zhanghuangzhu@gmail.com>:
> > > Hi folks,
> > >
> > > I volunteer to work on excluded tests in luni module, most of which
> are
> > > dependent on external servers(http server, socks proxy and etc.).
> > >
> > > As we discussed some months earlier, we'd integrate Jetty to Harmony
> > test
> > > framework for eliminating external http server, but seems no more
> > progress.
> > >
> > > Any volunteer to do this job? :-)
> > >
> > > Thanks!
> > >
> > >
> > > On 5/23/06, Stepan Mishura <stepan.mishura@gmail.com> wrote:
> > > >
> > > > Hi George, Paulex,
> > > >
> > > > Thanks for your answers. As a preliminary result - your convinced me
> > and
> > > > I'm
> > > > going to be volunteer to evaluate jetty integration to classlib test
> > > > suite.
> > > >
> > > > Do anybody work on integrating jetty http server to move net tests
> out
> > of
> > > > exclude list?
> > > >
> > > > Thanks,
> > > > Stepan.
> > > >
> > > > On 5/23/06, George Harley <george.c.harley@googlemail.com> wrote:
> > > > >
> > > > > Stepan Mishura wrote:
> > > > > > Hi George, Tim
> > > > > >
> > > > > > I'd like to clarify the following questions:
> > > > > > 1) Configuring
> > > > > > As I understood we say that the server is 'embedded' when we
can
> > > > > > start/stop
> > > > > > it within Ant without additional configuration steps. And all
we
> > need
> > > > > > to do
> > > > > > is just download required jars. Right?
> > > > > >
> > > > > > What about Eclipse users?
> > > > >
> > > > > Hi Stepan,
> > > > >
> > > > > In addition to be being start-able, stop-able and configurable
> from
> > Ant
> > > > > and XML config files, Jetty can also be embedded into the Java
> code
> > of a
> > > > > test case or test suite. Configuration, starting and stopping are
> > all
> > > > > possible. Eclipse users should not be disadvantaged.
> > > > >
> > > > >
> > > > > >
> > > > > > 2) Time to run test suite
> > > > > > May be it is hard to estimate but anyway - will the test suite
> run
> > > > > > slow down
> > > > > > if we'll use jetty instead of mock objects? How much?
> > > > >
> > > > > Depends on configuration. Configure and start the server in the
> > setup()
> > > > > of a JUnit TesCase (and stopping the server in the teardown())
> would
> > > > > obviously be slower than doing the equivalent in a JUnit TestSetup
> > > > > descendent. Start up is a lot less than half a second on my
> machine.
> > > > >
> > > > > Is there some performance benchmark for tests that is at risk here
> ?
> > > > >
> > > > >
> > > > > >
> > > > > > 3) Testing
> > > > > > Quoting Tim from 'local server thread': "There is no way to
> force
> > a
> > > > > > server
> > > > > > to send you a chunked response using regular HTTP headers, so
in
> > this
> > > > > > case
> > > > > > the server and client have an understanding that when the client
> > asks
> > > > > > for a
> > > > > > particular resource the server will send it back in chunks."
> > > > > >
> > > > > > With mock objects this can be done with no problems and
> > HARMONY-164
> > > > > > demonstrates the possible way. Also are we going to create
> > negative
> > > > > > tests,
> > > > > > for example, for broken server response? I think yes. Can jetty
> > server
> > > > > be
> > > > > > used for negative testing?
> > > > >
> > > > > Yes. You can send back any error.
> > > > >
> > > > >
> > > > > >
> > > > > > See other comments below
> > > > > >
> > > > > > On 5/22/06, George Harley wrote:
> > > > > >>
> > > > > >> Stepan Mishura wrote:
> > > > > >> > On 5/19/06, Tim Ellison wrote:
> > > > > >> >>
> > > > > >> >> Stepan Mishura wrote:
> > > > > >> >> <snip>
> > > > > >> >> > I'm OK only if we separate tests with Jetty
from common
> test
> > > > suite
> > > > > >> >> run.
> > > > > >> >>
> > > > > >> >> Why?
> > > > > >> >
> > > > > >> >
> > > > > >> > Because each external dependency complicates 'normal'
test
> > suite
> > > > > >> run ( I
> > > > > >> > don't want to face with situation when to run Harmony
test
> > suite I
> > > > > >> > have to
> > > > > >> > configure and run 20 different external servers even
they are
> > easy
> > > > > >> > configurable). As far as I remember we agreed to use
mock
> > objects -
> > > > > so
> > > > > >> > let's
> > > > > >> > use them! For example, in this case there is no need
in jetty
> > > > server.
> > > > > >> >
> > > > > >> > I'm not against 'jetty based tests' but I'd prefer
to
> separate
> > such
> > > > > >> > tests.
> > > > > >> >
> > > > > >> > Thanks,
> > > > > >> > Stepan.
> > > > > >> >
> > > > > >>
> > > > > >> Hi Stepan,
> > > > > >>
> > > > > >> Just seen this note and think that my previous append on
the
> "Re:
> > svn
> > > > > >> commit: r407752" thread sums up my thoughts. Allow me to
quote
> > > > myself:
> > > > > >>
> > > > > >> <paste>
> > > > > >> Jetty or equivalent is a good basis for such local server
> stubs.
> > It
> > > > is
> > > > > >> fast, it is lightweight,
> > > > > >
> > > > > >
> > > > > > Fast and lightweight as what?
> > > > > > I saw sometimes ago java server that has jar size 4k. And
> > > > > > jetty-6.0.0beta6.jar is 423k size.
> > > > > >
> > > > >
> > > > >
> > > > > Not sure of your point here. Is there some test file footprint
> > benchmark
> > > > > that is at risk here ? If there is a better, faster, more
> > lightweight
> > > > > server that would suit our purposes then let's hear about it so
> that
> > we
> > > > > can investigate whether or not it may be used with our network
> > tests.
> > > > >
> > > > > >
> > > > > >> it can be started and stopped very simply from
> > > > > >> within Ant (so that it only runs for the duration of a
> specified
> > > > batch
> > > > > >> of unit tests) and may also be completely controlled from
Java
> > test
> > > > > code
> > > > > >> so that we can configure its behaviour for any test case
from
> > within
> > > > > >> that test case.
> > > > > >
> > > > > >
> > > > > > Good.
> > > > > >
> > > > > > It's architecture means that we do not have to run it as
> > > > > >> a complete web server but can stub out any aspect of its
> runtime
> > > > > >> behaviour we wish in order to suit the purposes of the test(s).
> > > > > >
> > > > > >
> > > > > > What about 'chunked response'? Can a testcase force jetty server
> > to
> > > > > > send it
> > > > > > a chunked response?
> > > > >
> > > > > Yes. The API provides options to do this. Chunks are encoded as
> per
> > > > > RFC2616.
> > > > >
> > > > >
> > > > > Best regards,
> > > > > George
> > > > >
> > > > > >
> > > > > > I don't really understand why such network tests making use
of a
> > > > small,
> > > > > >> embedded server running locally would need to be considered
as
> > > > outside
> > > > > >> of the "normal test flow".
> > > > > >> </paste>
> > > > > >
> > > > > >
> > > > > > Because I consider adding jetty server as precedent for adding
> > other
> > > > > > dependencies to the "normal test flow". I believe that "normal
> > test
> > > > > flow"
> > > > > > should be fast and lightweight as much as possible. Each
> > additional
> > > > > > dependency or configuration step adds a brick(even it light)
to
> > > > > > developer's
> > > > > > large. As the result classlib test suite may become very slow
> and
> > hard
> > > > > to
> > > > > > configure. All I want is to understand - do we really need jetty
> > > > server
> > > > > > inside it.
> > > > > >
> > > > > > Thanks,
> > > > > > Stepan.
> > > > > >
> > > > > > We are not talking about an external server here and we are
not
> > > > talking
> > > > > >> about developers having to carry out complex configuration
> > manoeuvres
> > > > > >> when running the tests. That is something that nobody wants.
> The
> > > > > >> motivation here is purely to get more of the java.net tests
out
> > of
> > > > the
> > > > > >> "excludes" sin bin.
> > > > > >>
> > > > > >> Best regards,
> > > > > >> George
> > > > > >>
> > > > > >>
> > > > > >> > Regards,
> > > > > >> >> Tim
> > > > > >> >>
> > > > > >> >> --
> > > > > >> >>
> > > > > >> >> Tim Ellison (t.p.ellison@gmail.com)
> > > > > >> >> IBM Java technology centre, UK.
> > > > > >> >>
> > > > > >> >>
> > > > >
>


-- 
Thanks,
Stepan Mishura
Intel Middleware Products Division

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