99 lines
3.4 KiB
TypeScript
99 lines
3.4 KiB
TypeScript
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/**
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* Regenerates the pipeline golden fixtures from the CURRENT TS implementations.
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*
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* Run once, from manifold/: `bun tests/fixtures/_generate.ts`
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*
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* This is the capture tool. It must only be re-run intentionally (it overwrites
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* the goldens). The drift guard lives in tests/pipeline-golden.test.ts, which
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* re-runs the same code against the committed fixtures without rewriting them.
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*
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* Captured 2026-07-13, before the P4 core migration
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* (docs/specs/plans/one-core-engine-refactor.md §P4).
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*/
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import { writeFileSync } from 'node:fs';
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import { fileURLToPath } from 'node:url';
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import { dirname, join } from 'node:path';
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import {
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CURVE_DEFAULT_PARAMS,
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CURVE_SAMPLE_COUNT,
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INPUT_DT_MS,
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OUTPUT_DIMS,
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OUTPUT_DT_MS,
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buildGestureTrace,
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buildOutputSequence,
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inputRunSpecs,
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outputRunSpecs,
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runInputPipeline,
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runOutputPipeline,
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sampleAllCurves,
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} from '../pipeline-golden-lib';
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const DIR = dirname(fileURLToPath(import.meta.url));
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const write = (name: string, data: unknown) => {
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const path = join(DIR, name);
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writeFileSync(path, JSON.stringify(data, null, 2) + '\n');
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console.log('wrote', name);
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};
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const CAPTURED = '2026-07-13';
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const SOURCE_NOTE =
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'Captured from the TS engine implementations before the P4 one-core-engine migration. See tests/fixtures/README.md.';
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// 1. Gesture trace ----------------------------------------------------------
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const trace = buildGestureTrace();
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write('gesture-trace.json', {
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description: 'Canonical synthetic pointer trace over the input pipeline native [0,1]^2 domain.',
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captured: CAPTURED,
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note: SOURCE_NOTE,
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dt_ms: INPUT_DT_MS,
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count: trace.length,
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domain: { x: [0, 1], y: [0, 1] },
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segments: ['h-sweep', 'v-sweep', 'diagonal', 'spiral', 'figure-eight', 'dwell+jumps'],
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events: trace,
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});
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// 2. Curves -----------------------------------------------------------------
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write('curves-golden.json', {
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description: 'applyCurve(name, x) sampled at 129 points x in [0,1] inclusive, using default params.',
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captured: CAPTURED,
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note: SOURCE_NOTE,
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sampleCount: CURVE_SAMPLE_COUNT,
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xStep: 1 / (CURVE_SAMPLE_COUNT - 1),
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defaultParams: CURVE_DEFAULT_PARAMS,
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curves: sampleAllCurves(),
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});
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// 3. Input pipeline ---------------------------------------------------------
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write('input-pipeline-golden.json', {
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description: 'Gesture trace (gesture-trace.json) run through processInput under representative configs.',
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captured: CAPTURED,
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note: SOURCE_NOTE,
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traceRef: 'gesture-trace.json',
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dt_ms: INPUT_DT_MS,
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clockContract: 'performance.now() is pinned to each event t_ms during capture so momentum is deterministic.',
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stateContract: 'State reset to defaultInputState() at step 0 of every run.',
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runs: inputRunSpecs().map(({ id, config }) => ({
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id,
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config,
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outputs: runInputPipeline(trace, config),
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})),
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});
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// 4. Output pipeline --------------------------------------------------------
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const sequence = buildOutputSequence();
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write('output-pipeline-golden.json', {
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description: 'Deterministic raw output vectors (offset sines, f32) run through processOutput under representative configs.',
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captured: CAPTURED,
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note: SOURCE_NOTE,
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dt_ms: OUTPUT_DT_MS,
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dims: OUTPUT_DIMS,
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stateContract: 'State reset to defaultOutputState() at step 0 of every run. slewRate null = Infinity.',
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sequence,
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runs: outputRunSpecs().map((spec) => ({
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id: spec.id,
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spec,
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outputs: runOutputPipeline(sequence, spec),
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})),
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});
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