d1e3f8bce2
Each file in .tests/mutations/ is one deliberate bug: what it breaks, why that matters, the assertion meant to catch it, and an OLD/NEW pair applied to a copy of the tree. A mutation is KILLED only when the suite fails AND the named assertion is among the failures — failing for an unrelated reason is reported as WRONG-TEST, because that is luck, and luck is lost the next time the unrelated test moves. A mutation whose OLD block no longer matches is STALE rather than quietly skipped. 19 reproduces the DU-C1 shape: a comment moved back inside the fzf line-continuation. It is killed by "dotup pick exits 0".
12 lines
392 B
Plaintext
12 lines
392 B
Plaintext
# what: cmd_install always returns 0
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# why: a CI run or a wrapper script cannot tell a clean install from six failures
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# kills: the run exits non-zero
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# run: unit
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<<<OLD
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printf '\n%s%d package(s) did not install.%s Everything else did.\n' "$YEL" "$n" "$R" >&2
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return 1
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<<<NEW
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printf '\n%s%d package(s) did not install.%s Everything else did.\n' "$YEL" "$n" "$R" >&2
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return 0
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<<<END
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