fix boolean short-circuit diagnostic handling #719
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There was no test looking for dropped diagnostics when boolean opts don't short-circuit. The missing diagnostics were what made some of the tests from the original PR pass through, so a correction to that will follow.
Drop RHS diagnostics when bot boolean op expression values are unknown. This allows skipping an evaluation error on the RHS in case we can short-circuit when the LHS is known.
dsa0x
approved these changes
Dec 17, 2024
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@hashicorp/team-ip-compliance |
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Follow up to #713.
A couple boolean expression tests were passing because diagnostics were accidentally dropped when there was no short-circuit return. Add a positive test for the diagnostics and make sure they are always collected from both sides of the expression.
The logic to drop diagnostics needed to be within the short-circuit implementations, where a good LHS unknown value (one without any errors) prevents further evaluation allowing us to optimistically skip the RHS diagnostics. This can be confusing, because the logic looked correct, but we need to remember that cty/hcl return an unknown value when faced with errors too, and part of the short-circuit logic is to selectively handle errors when possible.