Hi Socrates,
Take a look at the Jess event model, beginning with the JessEvent
class. The Rete engine throws all kinds of event as it is processing.
It's easy to rig up log4j or something to see which rules fired. You
can use the JessEventAdapter to write a custom logging handler.
Cheers,
Jason
On Sat, Nov 14, 2009 at 3:02 PM, Socrates Frangis <soc.fran...@gmail.com> wrote:
> That is what I am doing as of now. Its just that JUnit test cases begin to
> grow and grow and when I noticed how lisp-unit and even the JB tester are
> implemented, they were a little more clean cut and fit better for testing a
> rulebase than just making many Unit tests that (create rete object, batch
> CLP, shove in fatcs, and try to get results out).
>
> I am in a situation where I will not be able to modify the beans used in
> the fact base, they are read only, so I have no luxury of the rules setting
> a flag in the bean and having JUnit check to see if the flag was set. So I
> am currently using a String Writer and grabbing the "t" output router. Then
> doing horrible string.equals in my test cases to see if the expected result
> is what I expect. Aside from watchAll() dumping everything, is there a way
> to just check if certain rules fired in a Rete object by passing in their
> name?
> Something like the following would be ideal, if there was a boolean
> RuleFired method:
>
> @Test
> public void test_Rule_1_Fired(){
> //Lets just forget about the Try/Catch blocks for now...
> Rete engine = new Rete();
> ExampleBean b = new ExampleBean(12345,first,last);
> engine.add(b);
> engine.batch(rules.clp);
> engine.run();
>
> boolean result = engine.RuleFired("rule-number-one");
>
> assertTrue(result == true);
> }
>
> Does something like RuleFired exist and I just missed it in the
> documentation?
>
> On Fri, Nov 13, 2009 at 10:59 PM, Wolfgang Laun <wolfgang.l...@gmail.com>
> wrote:
>>
>> You can create a Rete object and feed it with rules and facts from Java
>> code. So you could use JUnit to test individual rules with different fact
>> combinations. I see no reason why this should not give you satisfactory
>> results. Also, notice that the Rete mehod eval lets you pass gobs of CLP to
>> a Rete object.
>> -W
>>
>> On Sat, Nov 14, 2009 at 1:03 AM, Socrates Frangis <soc.fran...@gmail.com>
>> wrote:
>>>
>>> Ive been looking around for any good implementation of Unit Testing on
>>> Jess Rules. LispUnit http://www.cliki.net/lisp-unit provides something
>>> similar for Lisp and I've been messing around with JUnit and 'shoe-horning'
>>> inputs / expected results. Just wondering if anyone has came up with a
>>> productive way of testing declarative programming when only something
>>> procedural (JUnit) is available.
>>>
>>> -Socrates Frangis
>>
>
>
--
Cheers,
Jason
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