Test cases built around stored SPARQL queries

[Adam Kimball]

Hi all,

I'd like to create a test case that makes sure some arbitrary number of SPARQL queries, when executed, produce at least 1 result each.  Sounds easy enough.

The hitch is that these SPARQL queries are defined as dash:SPARQLSelectTemplates with a sh:select triple connecting to the string literal of the query itself.  This string literal will include all prefixes, result variables, and where clause - that is, it is good to execute as is.  (Parameters can come later!).

So, I'd like a test case that:

1. Finds all of the SPARQLSelectTemplates in a graph

2. Executes each one

3. Passes if each returns at least one answer, fails otherwise.

Seems like I might be in the intersection of a few technologies I don't know very well including ADS and the dash TestSuites, but I have a feeling this is pretty doable.  

If someone could point me in the right direction, I'd be grateful.  Thanks!

Adam

[Holger Knublauch]

Hi Adam,

The best thing I can come up with would be a dash:ScriptTestCase that iterates over the templates and executes them one by one, returning an array of those that failed your criteria. You can create such test cases with Studio in a .test.ttl file from the Script Editor panel - just run the script until it returns an empty array, then press the camera button to create the test.

This doesn’t create a separate test result for each query, but would just produce one. Yet I believe the output will be meaningful enough to aid further debugging.

Holger

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[Adam Kimball]

Thanks, Holger. 

I think this would be fine.  Can you point me at a code snippet for executing sparql from ADS?  I've looked through the EDG docs a handful of times, but nothing stands out.

Best,

Adam

[Holger Knublauch]

The function graph.select can execute SELECT queries.

Holger

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