Hallo Ken,
the issue you are bumping into is the largest problem in using screen scraping for integration purposes and the only reason we stay away from using the emulator this way. And why any sane mind should also ...
The only error the emulator can provide you with is problems in the protocol. E.g. you try to insert a value in the third field and there is no third field. Even, if you implement your script wrongly and use key event injection, your script would look like 'value1[tab]value2[tab]value3[enter]'. Now, what happens if my screen only has 2 fields? The result would we that value3 ends up in field 1 and value2 in field2.
On the other hand, to use the emulator as e.g. test script executor and to track error conditions in the applications at the 400 side, one would have to implement screen recognition functionality to, indeed, detect X-II or X-System condition or to detect popped-up windows or other not fore-seen screens in the wanted scenario. Note however that those last situations you have to implement application specific scenario's because every application shall handle those error conditions in different ways.
The solutions: use true API's for integration purposes. My 2 cents worth ...
HTH,
Wim.
| Nicola Ken Barozzi <[EMAIL PROTECTED]>
Sent by: [EMAIL PROTECTED] 08/08/2006 09:23
|
|
Hi, it's quite some time since my last mail, and it's nice to see some
activity. :-)
Here is my problem.
I have included tn5250j in my Swing app by using the code in the applet
version and making it in a JComponent. All well. By doing so, I have now
access to the session in my Java program, and am able to script it from
there.
My issue is about being able to detect error conditions during the script.
What has happened in a test run is that the script, which inputs about
30 items in two screens, got an error during the third item, but (of
course) kept on trying to insert the other items. I'm afraid to put this
in production, as I fear that in these cases it could start inserting
wrong things in wrong places.
I found out that some screens prompt the error on a bottom line, some
also add X - II and some show a "dialog".
What is the best way to detect these error conditions without having to
use custom tests for each screen?
--
Nicola Ken Barozzi [EMAIL PROTECTED]
- verba volant, scripta manent -
(discussions get forgotten, just code remains)
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