Parsing T-SQL Scripts With Pester

Rob Sewell shows us how to use Pester to ensure that a set of SQL scripts are valid T-SQL:

This is a quick Pester test I wrote to ensure that some SQL Scripts in a directory would parse so there was some guarantee that they were valid T-SQL. It uses the SQLParser.dll and because it was using a build server without SQL Server I have to load the required DLLs from the dbatools module (Thank you dbatools 🙂 )

It simply runs through all of the .sql files and runs the parser against them and checks the errors. In the case of failures it will output where it failed in the error message in the failed Pester result as well.

This particular example doesn’t ensure that the scripts do what you want them to do, but hey, Pester was built for that as well.

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