Fitnesse test against empty string result

Question

I'm using Fitnesse SliM and I want to check if the result of a fixture is the empty string. Leaving the result field in Fitnesse empty just results in an ignored test which is obviously not what I want. I could solve this by extending the fixture code, but I wonder if this can be handled within Fitnesse itself.

bneijt · Answer 1 · 2012-10-25T15:55:09.713

It seems that Slim implies an empty string as an ignore, at least for the QueryTable fixture: A cell that is left blank in the table will be filled in from the result and counted as ignored.

Even though this is not considered a good solution, if you really have to you could use a regular expression to test on an empty string by matching on

=~/^$/

Another option is using the null fixture driver, as seen in http://fitnesse.org/FitNesse.SuiteAcceptanceTests.SuiteSlimTests.SlimSymbolsCanBeBlankOrNull

score 5 · Answer 2 · answered Jul 10 '10 at 16:17

5

passing the word 'blank' simulates a empty string.

like:

|Check|That the returned string is | blank |

answered Jul 10 '10 at 16:17

ryber

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I know the 'blank' keyword works with fitSharp (the .NET version) but AFAIK it's not supported for SLIM. – Mike Stockdale Jul 07 '12 at 17:18

score 4 · Answer 3 · answered Jun 24 '14 at 12:16

4

In this case - when you need to check with SLIM usage, whether the result is an empty string, you can use markup variable. Just define it somewhere on your page with test, like:

!define blank {}

And then call it anywhere you want:

|check|SomeFixtureName|${blank}|

answered Jun 24 '14 at 12:16

Kanstantsin Rybin

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This works for SLIM, thanks for the answer! For non-SLIM it seems 'blank' should be the preferred option as @ryber's answer. – J.Churchill Jul 15 '15 at 09:45
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This doesn't work for me. It still ignores the test. – bouvierr Dec 11 '15 at 16:17

Fitnesse test against empty string result

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