fix: ErrorPosf() handle nil Position input #376
Merged
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Open Policy Agent prunes Position information from its AST tree prior to calling validator.ValidateSchemaDocument(), which causes a runtime error and panic when a bad schema is encountered because
ErrorPosf()
does not check for nil input.This PR adds a test case and returns some default values if a
nil
pos is passed toErrorPosf()
.The default values I've chosen may not be the best as some people do not expect row/column information to be negative. See #254, for example. I'm not tied to these values - I just don't want a crash in this case.
I didn't see any related documentation that needed an update handling this case.
I have:
go test ./...
to ensure no other tests fail as a result of this changeThis resolves #375