File size: 1,666 Bytes
a8b4b87 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 | import assert from 'node:assert/strict';
import {
convergeSources,
detectCorruptedSources,
sourcePairDistance,
SourceDelta,
} from './multi_source_sync';
function run(name: string, fn: () => void) {
try { fn(); console.log(` ok ${name}`); }
catch (e) { console.error(` FAIL ${name}`); console.error(e); process.exitCode = 1; }
}
console.log('Amaru QEC multi-source sync');
const cleanSources: SourceDelta[] = [
{ sourceId: 'A', payload: 0x42, lineage: 0xa5 },
{ sourceId: 'B', payload: 0x42, lineage: 0xa5 },
{ sourceId: 'C', payload: 0x42, lineage: 0xa5 },
];
run('5 clean sources converge to payload', () => {
assert.equal(convergeSources(cleanSources), 0x42);
});
run('zero sources gives zero', () => {
assert.equal(convergeSources([]), 0);
});
run('single source converges to itself', () => {
assert.equal(convergeSources([{ sourceId: 'X', payload: 0x99, lineage: 0x00 }]), 0x99);
});
run('detect 0 corruption when all clean', () => {
assert.equal(detectCorruptedSources(cleanSources), 0);
});
run('detect 1 corruption', () => {
const sources = [
...cleanSources,
{ sourceId: 'D', payload: 0xFF, lineage: 0xa5 },
];
assert.equal(detectCorruptedSources(sources), 1);
});
run('Hamming distance between identical sources is 0', () => {
assert.equal(sourcePairDistance(cleanSources[0], cleanSources[1]), 0);
});
run('Hamming distance fingerprints drift', () => {
const drifted = { sourceId: 'D', payload: 0x43, lineage: 0xa5 };
// 0x42 ^ 0x43 = 0x01 → 1 bit
assert.equal(sourcePairDistance(cleanSources[0], drifted), 1);
});
console.log(process.exitCode === 1 ? '\nFAIL' : '\nall green (7 tests)');
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