mirror of
https://github.com/got-feedBack/feedBack.git
synced 2026-08-12 11:49:28 +00:00
69 lines
3.1 KiB
JavaScript
69 lines
3.1 KiB
JavaScript
// Verify static/highway.js handles the `handshapes` WebSocket message:
|
|
// accumulates incoming chunks, time-sorts on `ready`, and exposes the
|
|
// result on the renderer bundle. The 3D arpeggio frame / chord rails
|
|
// pipeline consumes that bundle; if accumulation or sort drifts, those
|
|
// visuals silently render wrong (out-of-order frames, missing hints).
|
|
//
|
|
// Same source-level guard strategy as the other tests/js/ files —
|
|
// extract the relevant case body and assert the wiring.
|
|
|
|
const { test } = require('node:test');
|
|
const assert = require('node:assert/strict');
|
|
const fs = require('node:fs');
|
|
const path = require('node:path');
|
|
|
|
const HIGHWAY_JS = path.join(__dirname, '..', '..', 'static', 'highway.js');
|
|
|
|
function getCaseBlock(src, label) {
|
|
const start = src.indexOf(`case '${label}'`);
|
|
assert.ok(start !== -1, `case '${label}' not found in highway.js`);
|
|
const tail = src.slice(start);
|
|
const nextCase = tail.search(/\n\s*case\s+['"]/);
|
|
const nextDefault = tail.search(/\n\s*default\s*:/);
|
|
let end = tail.length;
|
|
if (nextCase > 0) end = Math.min(end, nextCase);
|
|
if (nextDefault > 0) end = Math.min(end, nextDefault);
|
|
return tail.slice(0, end);
|
|
}
|
|
|
|
test('handshapes WS case accumulates incoming chunks into handShapes', () => {
|
|
// Server streams handshapes in chunks; the case must concat rather
|
|
// than replace so multi-chunk sources don't silently truncate.
|
|
const src = fs.readFileSync(HIGHWAY_JS, 'utf8');
|
|
const block = getCaseBlock(src, 'handshapes');
|
|
assert.match(
|
|
block,
|
|
/handShapes\s*=\s*handShapes\.concat\(\s*msg\.data\s*\)/,
|
|
'handshapes case must concat msg.data into the handShapes accumulator',
|
|
);
|
|
});
|
|
|
|
test('ready case time-sorts handShapes before rendering', () => {
|
|
// Out-of-order chunks would otherwise leave handShapes interleaved,
|
|
// breaking the binary-search lookups the 3D renderer does when
|
|
// probing arpeggio coverage for a chord at time t.
|
|
const src = fs.readFileSync(HIGHWAY_JS, 'utf8');
|
|
const block = getCaseBlock(src, 'ready');
|
|
assert.match(
|
|
block,
|
|
/handShapes\.sort\(\s*\(\s*a\s*,\s*b\s*\)\s*=>\s*a\.start_time\s*-\s*b\.start_time\s*\)/,
|
|
'ready case must sort handShapes by start_time so the renderer can rely on ordering',
|
|
);
|
|
});
|
|
|
|
test('bundle exposes handShapes to renderers with flat-list fallback', () => {
|
|
// Renderers (highway_3d in particular) read `bundle.handShapes`; if
|
|
// the bundle key gets renamed or dropped, the 3D arp-frame pipeline
|
|
// goes dark without a runtime error. The current shape is a ternary
|
|
// that picks `_filteredHandShapes` when phrase data carries any and
|
|
// falls back to the flat `handShapes` list otherwise (DLC pattern).
|
|
// Pin both sides of the ternary so accidentally dropping the
|
|
// fallback branch fails the test.
|
|
const src = fs.readFileSync(HIGHWAY_JS, 'utf8');
|
|
assert.match(
|
|
src,
|
|
/\bhandShapes:\s*\([^)]*_filteredHandShapes[^)]*\)\s*\?\s*_filteredHandShapes\s*:\s*handShapes\b/,
|
|
'bundle must expose handShapes with the _filteredHandShapes-vs-handShapes ternary fallback',
|
|
);
|
|
});
|