Run fuzzer with --preview
#17210
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Run fuzzer with --preview
#17210
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Summary -- Updates `fuzz.py` to run with `--preview`, which should allow it to catch semantic syntax errors. Test Plan -- @AlexWaygood and I temporarily made any named expression a semantic syntax error and checked that this led to fuzzing errors. We also tested that reverting the `--preview` addition did not show any errors. We also ran the fuzzer on 500 seeds on `main` but didn't find any issues, (un)fortunately.
MichaReiser
approved these changes
Apr 4, 2025
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AlexWaygood
approved these changes
Apr 4, 2025
dcreager
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Apr 4, 2025
* main: [red-knot] Empty tuple is always-falsy (#17213) Run fuzzer with `--preview` (#17210) Bump 0.11.4 (#17212) [syntax-errors] Allow `yield` in base classes and annotations (#17206) Don't skip visiting non-tuple slice in `typing.Annotated` subscripts (#17201) [red-knot] mypy_primer: do not specify Python version (#17200) [red-knot] Add `Type.definition` method (#17153) Implement `Invalid rule provided` as rule RUF102 with `--fix` (#17138) [red-knot] Add basic on-hover to playground and LSP (#17057) [red-knot] don't remove negations when simplifying constrained typevars (#17189) [minor] Fix extra semicolon for clippy (#17188) [syntax-errors] Invalid syntax in annotations (#17101) [syntax-errors] Duplicate attributes in match class pattern (#17186) [syntax-errors] Fix multiple assignment for class keyword argument (#17184) use astral-sh/cargo-dist instead (#17187) Enable overindented docs lint (#17182)
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Summary
Updates
fuzz.pyto run with--preview, which should allow it to catch semantic syntax errors.Test Plan
@AlexWaygood and I temporarily made any named expression a semantic syntax error and checked that this led to fuzzing errors. We also tested that reverting the
--previewaddition did not show any errors.We also ran the fuzzer on 500 seeds on
mainbut didn't find any issues, (un)fortunately.