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A4j .size returning 1 for an empty list

Dave Furlani_2zy3uu

I'm having trouble getting size to count to zero when there is nothing in a list.

Through some other funky use of smart values, I have built a variable (one per squad using the same syntax) that holds the sprints for each ticket delivered by a squad for a specific Epic. The string held in teamSprintsTESTamps looks like this:

Amps Sprint 7@Amps Sprint 7@Amps Sprint 5@Amps Sprint 6@Amps Sprint 7@Amps Sprint 6@Amps Sprint 6@Amps Sprint 5@Amps Sprint 7@Amps Sprint 6@Amps Sprint 7@Amps Sprint 5@Amps Sprint 4@Amps Sprint 7@

Using the following, the result given is "Amps: 4" (correct)

Amps: {{teamSprintsTESTamps.substringBeforeLast("@).split(@).distinct.size|0}}

For another team that only had one task in the Epic that they delivered in one sprint, the string held in teamSprintsTESTheat looks like this:

Heat Sprint 7@

And the result returned is "Heat: 1", which is also correct:

However for the teams that did not contribute to the specific epic, the result returned by .size is 1 (incorrect).

For the team that were not part of the delivery of Epic X, the following code:

Bigbus: {{teamSprintsTESTbigbus.substringBeforeLast("@).split(@).distinct.size|0}}
A. #{{teamSprintsTESTbigbus}}#
B. {{teamSprintsTESTbigbus.substringBeforeLast("@)}}
C. {{teamSprintsTESTbigbus.substringBeforeLast("@).split(@)}}
D. {{teamSprintsTESTbigbus.substringBeforeLast("@).split(@).distinct}}
E. {{teamSprintsTESTbigbus.substringBeforeLast("@).split(@).distinct.size}}

Returns the following output (to prove to you there's no value in that variable:

Bigbus: 1
A. ##
B.
C.
D.
E. 1

Is there a way to get the correct result of 4 for Amps and get the correct result of 0 for Bigbus?

*Squad names have been changed to protect the innocent

Accepted answers

Bill Sheboy

Hi @Dave Furlani

What is in the variable teamSprintsTESTbigbus when they did not contribute to the specific epic: an empty string, just a trailing @ symbol, something else?

Knowing that may help to use conditional logic to handle the 0 and non-zero cases.

Kind regards,
Bill

All comments

Bill Sheboy

Hi @Dave Furlani

What is in the variable teamSprintsTESTbigbus when they did not contribute to the specific epic: an empty string, just a trailing @ symbol, something else?

Knowing that may help to use conditional logic to handle the 0 and non-zero cases.

Kind regards,
Bill

Dave Furlani_2zy3uu

Looks like an empty string:

A. #{{teamSprintsTESTbigbus}}#

Output

A. ##

Bill Sheboy

Thanks; that looks like it is null.

Are you trying to create one smart value expression that works for all cases, or are you open to a couple of them? (e.g., use conditional logic to handle the 0 case separately from the others)

Dave Furlani_2zy3uu

Thanks @Bill Sheboy

It's hard to say without seeing the outcome. If you have the time, please hit me with both and I'll test to see which best suits the use case

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