jomarko opened a new issue, #2099:
URL: https://github.com/apache/incubator-kie-issues/issues/2099
using the DMN Runner and these B-FEEL expressions user is getting wrong
results.
- day of week("a") : throws an error about non existing function instead of
""
- split("abc", 22) : throws an error 'FEEL_EVALUATION_ERROR: FEEL ERROR
while evaluating literal expression 'split("abc", 22)': Unable to find function
'split( lass org.kie.dmn.feel.runtime.functions.SplitFunctio )'' instead of []
- "Today is " + today() : returns null instead of "Today is 202x-xx-xx"
- "The result is: " + 1 : returns null instead of "The result is: 1"
- 5 + " minutes" : returns null instead of "5 minutes"
- "This is " + null : returns null instead of "This is "
- 1 + null : returns null instead of 1
- null - 6 : returns null instead of -6
- date("2021-01-01") + 7 : throws error 'FEEL_EVALUATION_ERROR: FEEL ERROR
while evaluating literal expression 'date("2021-01-01") + 7': Based on the
specification, the operation is undefined for the specified parameter set.'
instead of 7
- "abc" - 2 : returns null instead of ""
- 22 * "a" : returns null instead of 0
- null / 22 : returns null instead of 0
- duration("P1Y") * null : returns null instead of duration("P0M")
For trying those expressions, this model can be used:
[bfeel-tests.dmn.txt](https://github.com/user-attachments/files/22299604/bfeel-tests.dmn.txt)
One of reported cases demonstrated also as screenshot
<img width="1854" height="798" alt="Image"
src="https://github.com/user-attachments/assets/fe5acf4b-829d-4332-8dff-dc10b4b234d3";
/>
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