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js-rigor: extend fuzzer campaign to 6 config kinds (intersection, defeasible)

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Confirms min-intersection and when*unless defeasible semantics hold under
fuzzed config transitions and mutation bursts.
This commit is contained in:
John Dvorak
2026-07-31 14:27:13 -07:00
parent f5690d4777
commit 5c7ec95344
1 changed files with 15 additions and 1 deletions
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tests/rigor/fuzzer-mutation-needles.test.js
+15 -1
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@@ -23,7 +23,7 @@ import { Arbiter } from '../../src/index.js';
const NODES = 6;
const nodeKey = (id) => (id < 2 ? `u:${id}` : id === 2 ? 'g:0' : `doc:${id - 3}`);
const KINDS = ['direct', 'chain', 'union', 'exclusion'];
const KINDS = ['direct', 'chain', 'union', 'exclusion', 'intersection', 'defeasible'];
const CONFIGS = {
direct: { type: 'direct', relation: 'owner' },
chain: {
@@ -46,6 +46,18 @@ const CONFIGS = {
{ type: 'direct', relation: 'owner' },
{ type: 'chain', steps: [{ relation: 'member_of', direction: 'out' }, { relation: 'reads', direction: 'out' }] }
]
},
intersection: {
intersection: {
rules: [
{ type: 'direct', relation: 'owner' },
{ type: 'chain', steps: [{ relation: 'member_of', direction: 'out' }, { relation: 'reads', direction: 'out' }] }
]
}
},
defeasible: {
when: { type: 'direct', relation: 'owner' },
unless: { type: 'chain', steps: [{ relation: 'member_of', direction: 'out' }, { relation: 'reads', direction: 'out' }] }
}
};
@@ -64,6 +76,8 @@ function mirrorCheck(tuples, kind, src, rel, dst) {
if (kind === 'chain') return chainBest;
if (kind === 'union') return Math.max(direct, chainBest);
if (kind === 'exclusion') return direct * (1 - chainBest);
if (kind === 'intersection') return Math.min(direct, chainBest);
if (kind === 'defeasible') return direct * (1 - chainBest);
return 0;
}