Hi,
today, on irc, there was some discuss about "webtest by canoo" and
its possible use as
a replacement of the actual PSM
(http://carboy.networkgeek.org:8080/_sndbot/javabot/home/3/%23opennms/2/15/1/02/0/2011/).
Tht's funny : I'm actually playing with the idea of replacing the
actual PSM with another webtest
software : jwebunit. I feel this replacement is necessary as I monitor
some complex
interdependent services (identity federation : shibboleth + wayf +
SSO CAS). and debugging
of the PSM is often just too harsh while jwebunits are *much* simpler to write.
IMHO, pros and cons of PSM replacement/extensions are the followings :
Pros:
+) High level expression of web browsing
- Use of a "natural expression " for web browsing :
You can simulate a click with a high level
'clickLink("login");/<clicklLink>' expression
instead of the more cumbersome PSM expression
- Integration of cookie browsing in place of regexp collection
into parameter (PSM).
+) Nearly-Identical formalism in development and deployment phases
- You can use nearly the same code before deployment ( unit tests) and
after that (Fault monitoring).
- No need for the PSM sequence groovy script for debugging
+) for jwebunit : ability to process complex javascript-ed pages. I
don't know for webtest
+) jwebunit/webtest can be used with the BSFMonitor
Cons:
PSM is able to measure duration between each page invocation
(duration datasource),
jwebunit/webtest are not.
So, for jwebunit integration as a poller : my plan is to add to it the
possibility of duration recording
between pages invocations just as the PSM does.
But before I begin such a dev. I'd like your thoughts about the
webtest/jwebunit choice ; which
seems to be the better candidate ?
J.-M.
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