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From "Stepan Mishura" <stepan.mish...@gmail.com>
Subject Re: [classlib] jetty based tests
Date Tue, 23 May 2006 13:31:16 GMT
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.
> >> >>
> >> >>
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> >> >>
> >> >>
> >> >
> >> >
> >>
> >>
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> >>
> >>
> >
> >
>
>
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>


-- 
Thanks,
Stepan Mishura
Intel Middleware Products Division

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